2024
Hao Gu, Moeta Tsukamoto, Yuki Nakamura, Shu Nakaharai, Takuya Iwasaki, Kenji Watanabe, Takashi Taniguchi, Shinichi Ogawa, Yukinori Morita, Kento Sasaki, and Kensuke Kobayashi,
“Systematic characterization of nanoscale h-BN quantum sensor spots created by helium-ion microscopy”,
Physical Review Applied 22 (5), 054026 (2024). [link]
Ryusei Okaniwa, Takumi Mikawa, Yuichiro Matsuzaki, Tatsuma Yamaguchi, Rui Suzuki, Norio Tokuda, Hideyuki Watanabe, Norikazu Mizuochi, Kento Sasaki, Kensuke Kobayashi, and Junko Ishi-Hayase,
“Frequency-tunable magnetic field sensing using continuous-wave optically detected magnetic resonance with nitrogen-vacancy centers in diamond”,
Journal of Applied Physics 135 (4), 044401 (2024). [link]
2023
Kensuke Ogawa, Shunsuke Nishimura, Kento Sasaki, and Kensuke Kobayashi,
“Demonstration of highly-sensitive wideband microwave sensing using ensemble nitrogen-vacancy centers”,
Applied Physics Letters 123 (21), 214002 (2023). [link][Selected as AIP Publishing Showcase]
※Editor’s Pickに選定されました。
Rui Sakano, Tokuro Hata, Kaiji Motoyama, Yoshimichi Teratani, Kazuhiko Tsutsumi, Akira Oguri, Tomonori Arakawa, Meydi Ferrier, Richard Deblock, Mikio Eto, and Kensuke Kobayashi,
“Kondo temperature evaluated from linear conductance in magnetic fields,”
Physical Review B 108 (20), 205147 (2023). [link]
※Editors’ Suggestionに選定されました。
Shunsuke Nishimura, Taku Kobayashi, Daichi Sasaki, Takeyuki Tsuji, Takayuki Iwasaki, Mutsuko Hatano, Kento Sasaki, Kensuke Kobayashi,
“Wide-field quantitative magnetic imaging of superconducting vortices using perfectly aligned quantum sensors,”
Applied Physics Letters 123 (11), 112603 (2023). [プレスリリース][概要][link]
Kento Sasaki, Takashi Taniguchi, and Kensuke Kobayashi,
“Nitrogen isotope effects on boron vacancy quantum sensors in hexagonal boron nitride,”
Applied Physics Express 16 (9), 095003 (2023). [link]
Shuji Ito, Moeta Tsukamoto, Kensuke Ogawa, Tokuyuki Teraji, Kento Sasaki, Kensuke Kobayashi,
“Optical-power-dependent splitting of magnetic resonance in nitrogen-vacancy centers in diamond,”
Journal of the Physical Society of Japan 92 (8), 084701 (2023). [概要][link][arXiv:2307.04414]
※Papers of Editors’ Choice（注目論文）に選定されました。
※本論文は JPS Hot Topics にも選定されました。どうぞ御覧ください（→ JPS Hot Topics）。
※2023年6月の JPSJ Top 20 Most Downloaded Articlesにランクインしました。
※筑波大学 野村 晋太郎先生が紹介記事を書いてくださいました。ぜひ御覧ください。Shintaro Nomura, “A Quest for Accurate Quantum Sensing Using Diamonds”, JPSJ News Comments 20, 14 (2023).
Kento Sasaki, Yuki Nakamura, Hao Gu, Moeta Tsukamoto, Shu Nakaharai, Takuya Iwasaki, Kenji Watanabe, Takashi Taniguchi, Shinichi Ogawa, Yukinori Morita, and Kensuke Kobayashi,
“Magnetic field imaging by hBN quantum sensor nanoarray”,
Applied Physics Letters 122 (24), 244003 (2023). [プレスリリース][link][arXiv:2301.12645][Selected as AIP Publishing Showcase][ポッドキャスト]
Kento Sasaki, Yuki Nakamura, Tokuyuki Teraji, Takashi Oka, and Kensuke Kobayashi,
“Demonstration of geometric diabatic control of quantum states,”
Physical Review A 107 (5), 053113 (2023). [プレスリリース][link][arXiv:2305.17434]
Hao Gu, Yuki Nakamura, Kento Sasaki, and Kensuke Kobayashi,
“Multi-frequency composite pulse sequence for magnetic field sensitivity enhancement in hexagonal boron nitride quantum sensor”,
Applied Physics Express 16 (5), 055003 (2023). [概要][link]
Motoya Shinozaki, Junta Igarashi, Shuichi Iwakiri, Takahito Kitada, Keisuke Hayakawa, Butsurin Jinnai, Tomohiro Otsuka, Shunsuke Fukami, Kensuke Kobayashi, and Hideo Ohno,
“Nonlinear conductance in nanoscale CoFeB/MgO magnetic tunnel junctions with perpendicular easy axis”,
Physical Review B 107 (9), 094436 (2023). [概要][link]
Kensuke Ogawa, Moeta Tsukamoto, Kento Sasaki, and Kensuke Kobayashi,
“Lock-in thermography using diamond quantum sensors”,
Journal of the Physical Society of Japan 92, 014002 (2023). [概要] [link] [arXiv:2212.07616]
2022
Shunsuke Nishimura, Kohei M. Itoh, Junko Ishi-Hayase, Kento Sasaki, and Kensuke Kobayashi,
“Floquet Engineering Using Pulse Driving in a Diamond Two-Level System Under Large-Amplitude Modulation”,
Physical Review Applied 18 (6), 064023 (2022). [概要] [link] [arXiv:2204.12198]
Moeta Tsukamoto, Shuji Ito, Kensuke Ogawa, Yuto Ashida, Kento Sasaki, and Kensuke Kobayashi,
“Accurate magnetic field imaging using nanodiamond quantum sensors enhanced by machine learning”,
Scientific Reports 12 (1), 13942 (2022). [概要] [full text link (open access)][Top 100 in Physics – 2022]
Yuki Nakamura, Hideyuki Watanabe, Hitoshi Sumiya, Kohei M. Itoh, Kento Sasaki, Junko Ishi-Hayase, and Kensuke Kobayashi,
“Optimization of optical spin readout of the nitrogen-vacancy center in diamond based on spin relaxation model”
AIP Advances 12 (5), 055215 (2022). [概要] [full text link (open access)]
2021
Ryoya Nakamura, Masashi Tokuda, Mori Watanabe, Masamichi Nakajima, Kensuke Kobayashi, and Yasuhiro Niimi,
“Thickness-induced crossover from strong to weak collective pinning in exfoliated FeTe0.6Se0.4 thin films at 1 T”
Physical Review B 104, 165412 (2021). [link][概要]
Kensuke Kobayashi and Masayuki Hashisaka,
“Shot Noise in Mesoscopic Systems: From Single Particles to Quantum Liquids” [INVITED REVIEW PAPERS]
Journal of the Physical Society of Japan 90, 102001 (2021). [full text link (open access)][概要][JPS Hot Topics 選出][紹介動画]
Moeta Tsukamoto, Kensuke Ogawa, Hayato Ozawa, Takayuki Iwasaki, Mutsuko Hatano, Kento Sasaki, and Kensuke Kobayashi,
“Vector magnetometry using perfectly-aligned nitrogen-vacancy center ensemble in diamond”
Applied Physics Letters 118, 264002 (2021). [link][概要]
Shuichi Iwakiri, Satoshi Sugimoto, Yasuhiro Niimi, Yusuke Kozuka, Yukiko K. Takahashi, Shinya Kasai, and Kensuke Kobayashi,
“Negative correlation between the linear and the nonlinear conductance in magnetic tunnel junctions”
Physical Review B 103, 245427 (2021). [link][概要]
Koji Fujiwara, Shuichi Iwakiri, Mori Watanabe, Ryoya Nakamura, Masahiko Yokoi, Kensuke Kobayashi, and Yasuhiro Niimi,
“Charge density wave transitions in mechanically-exfoliated NbSe3 devices”
Japanese Journal of Applied Physics 60, 070904 (2021) [Rapid Communication]. [link] [概要]
Tokuro Hata, Yoshimichi Teratani, Tomonori Arakawa, Sanghyun Lee, Meydi Ferrier, Richard Deblock, Rui Sakano, Akira Oguri, and Kensuke Kobayashi,
“Three-body correlations in nonlinear response of correlated quantum liquid”
Nature Communications 12, 3233 (2021). [full text link (open access)] [概要] [プレスリリース] [YouTube(7分)]
ニュースサイトで紹介されました： 日経、 マイナビニュース。
理学部ニュース9月号で紹介されました：学部生に伝える研究最前線「からみあう電子たち」
Sanghyun Lee, Masayuki Hashisaka, Takafumi Akiho, Kensuke Kobayashi, and Koji Muraki,
“Cryogenic GaAs high-electron-mobility-transistor amplifier for current noise measurements”
Review of Scientific Instruments 92, 023910 (2021). [link] [概要]
Tomoharu Ohta, Masashi Tokuda, Shuichi Iwakiri, Kosuke Sakai, Benjamin Driesen, Yoshinori Okada, Kensuke Kobayashi, and Yasuhiro Niimi,
“Butterfly-shaped magnetoresistance in van der Waals ferromagnet Fe5GeTe2“
AIP Advances 11, 025014 (2021). [full text link (open access)] [概要]
Daiju Terasawa, Shota Norimoto, Tomonori Arakawa, Meydi Ferrier, Akira Fukuda, Kensuke Kobayashi, and Yoshiro Hirayama,
“Large Zeeman Splitting in Out-of-Plane Magnetic Field in a Double-Layer Quantum Point Contact”
Journal of the Physical Society of Japan 90, 024709 (2021). [link] [概要]
Mori Watanabe, Ryoya Nakamura, Sanghyun Lee, Takuya Asano, Takashi Ibe, Masashi Tokuda, Hiroki Taniguchi, Daichi Ueta, Yoshinori Okada, Kensuke Kobayashi, and Yasuhiro Niimi,
“Shubnikov-de-Haas oscillation and possible modification of effective mass in CeTe3 thin films”
AIP Advances 11, 015005 (2021). [full text link (open access)] [概要]
2020
Yoshimichi Teratani, Rui Sakano, Tokuro Hata, Tomonori Arakawa, Meydi Ferrier, Kensuke Kobayashi, and Akira Oguri,
“Field-induced SU(4) to SU(2) Kondo crossover in a half-filling nanotube dot: spectral and finite-temperature properties”,
Physical Review B 102, 165106 (2020). [link] [概要]
Hiroki Taniguchi, Mori Watanabe, Takashi Ibe, Masashi Tokuda, Tomonori Arakawa, Toshifumi Taniguchi, Bo Gu, Timothy Ziman, Sadamichi Maekawa, Kensuke Kobayashi, and Yasuhiro Niimi,
“Spin treacle in a frustrated magnet observed with spin current”,
Physical Review B 102, 094405 (2020). [link] [概要]
Masahiko Yokoi, Satoshi Fujiwara, Tomoya Kawamura, Tomonori Arakawa, Kazushi Aoyama, Hiroshi Fukuyama, Kensuke Kobayashi, and Yasuhiro Niimi,
“Negative resistance state in superconducting NbSe2 induced by surface acoustic waves”,
Science Advances 6, eaba1377 (2020). [full text link (open access)] [概要] [プレスリリース]
Mori Watanabe, Sanghyun Lee, Takuya Asano, Takashi Ibe, Masashi Tokuda, Hiroki Taniguchi, Daichi Ueta, Yoshinori Okada, Kensuke Kobayashi, and Yasuhiro Niimi,
“Quantum oscillations with magnetic hysteresis observed in CeTe3 thin films”,
Applied Physics Letters 117, 072403 (2020). [link] [概要]
Shota Norimoto, Shuichi Iwakiri, Masahiko Yokoi, Tomonori Arakawa, Yasuhiro Niimi, and Kensuke Kobayashi,
“Etching process of narrow wire and application to tunable-barrier electron pump”,
Review of Scientific Instruments 91, 085110 (2020). [link] [概要]
T. Arakawa, J. Shiogai, M. Maeda, M. Ciorga, M. Utz, D. Schuh, Y. Niimi, M. Kohda, J. Nitta, D. Bougeard, D. Weiss, and K. Kobayashi,
“Tunneling mechanism in a (Ga,Mn)As/GaAs based spin Esaki diode investigated by bias-dependent shot noise measurements”,
Physical Review B 102, 045308 (2020). [link] [概要]
Satoshi Sugimoto, Shuichi Iwakiri, Yusuke Kozuka, Yukiko Takahashi, Yasuhiro Niimi, Kensuke Kobayashi, and Shinya Kasai,
“Multiple modes of a single spin torque oscillator under the non-linear region”,
AIP Advances 10, 075115 (2020). [full text link (open access)] [概要]
Shuichi Iwakiri, Satoshi Sugimoto, Yasuhiro Niimi, Kensuke Kobayashi, Yusuke Kozuka, Yukiko, K. Takahashi, and Shinya Kasai,
“Generation of Multipeak Spectrum of Spin Torque Oscillator in Non-linear Regime”,
Applied Physics Letters 117, 022406 (2020). [link] [概要]
Tomoharu Ohta, Kosuke Sakai, Hiroki Taniguchi, Benjamin Driesen, Yoshinori Okada, Kensuke Kobayashi, and Yasuhiro Niimi,
“Enhancement of coercive field in atomically-thin quenched Fe5GeTe2“,
Applied Physics Express 13, 043005 (2020). [link] [概要]
Hiroki Taniguchi, Mori Watanabe, Masashi Tokuda, Shota Suzuki, Eria Imada, Takashi Ibe, Tomonori Arakawa, Hiroyuki Yoshida, Hiroaki Ishizuka, Kensuke Kobayashi, and Yasuhiro Niimi,
“Butterfly-shaped magnetoresistance in triangular-lattice antiferromagnet Ag2CrO2“,
Scientific Reports 10, 2525 (2020). [full text link (open access)] [概要] [プレスリリース]
Daiju Terasawa, Shota Norimoto, Tomonori Arakawa, Meydi Ferrier, Akira Fukuda, Kensuke Kobayashi, and Yoshiro Hirayama,
“Conductance quantization and shot noise of a double-layer quantum point contact”,
Physical Review B 101, 115401 (2020). [link] [概要]
Aritra Lahiri, Tokuro Hata, Sergey Smirnov, Meydi Ferrier, Tomonori Arakawa, Michael Niklas, Magdalena Marganska, Kensuke Kobayashi, Milena Grifoni,
“Unraveling a concealed resonance by multiple Kondo transitions in a quantum dot”,
Physical Review B 101, 041102 (Rapid Communication) (2020). [link] [概要]
Meydi Ferrier, Raphaëlle Delagrange, Julien Basset, Hélène Bouchiat, Tomonori Arakawa, Tokuro Hata, Ryo Fujiwara, Yoshimichi Teratani, Rui Sakano, Akira Oguri, Kensuke Kobayashi, and Richard Deblock,
“Quantum noise in carbon nanotubes as a probe of correlations in the Kondo regime “,
Journal of Low Temperature Physics 201, 738-771 (2020). [link]
2019
Shuichi Iwakiri, Satoshi Sugimoto, Yasuhiro Niimi, Kensuke Kobayashi,Yukiko K. Takahashi,and Shinya Kasai,
“Observation of the magnetization metastable state in a perpendicularly magnetized nanopillar with asymmetric potential landscape”,
Applied Physics Letters 115, 092407 (2019). [link]
Masashi Tokuda, Natsuki Kabeya, Komei Iwashita, Hiroki Taniguchi, Tomonori Arakawa, Di Yue, Xinxin Gong, Xiaofeng Jin, Kensuke Kobayashi, and Yasuhiro Niimi,
“Spin transport measurements in metallic Bi/Ni nanowires”,
Applied Physics Express 12, 053005 (2019). [link]
Kensuke Kobayashi,
“New Explorer at Exotic Boundary: How Superconductivity and Quantum Hall Effect Go Together”,
JPSJ News and Comments 16, 01 (2019). [full text link (open access)]
2018
T. Hata, R. Delagrange, T. Arakawa, S. Lee, R. Deblock, H. Bouchiat, K. Kobayashi, and M. Ferrier,
“Enhanced Shot Noise of Multiple Andreev Reflections in a Carbon Nanotube Quantum Dot in SU(2) and SU(4) Kondo Regimes”,
Physical Review Letters 121, 247703 (2018). [link]
S. Norimoto, S. Nakamura, Y. Okazaki, T. Arakawa, K. Asano, K. Onomitsu, K. Kobayashi, and N. Kaneko,
“Fano effect in the transport of an artificial molecule”,
Physical Review B 97, 195313 (2018). [link]
A. Sawada, S. Faniel, S. Mineshige, S. Kawabata, K. Saito, K. Kobayashi, Y. Sekine, H. Sugiyama, and T. Koga,
“Direct extraction of electron parameters from magnetoconductance analysis in mesoscopic ring array structures”,
Physical Review B 97, 195303 (2018). [link]
S. Suzuki, H. Taniguchi, T. Kawakami, M. Cosset-Cheneau, T. Arakawa, S. Miyasaka, S. Tajima, Y. Niimi, and K. Kobayashi,
“Electrical contacts to thin layers of Bi2Sr2CaCu2O8+δ“,
Applied Physics Express 11, 053201 (2018). [link]
H. Taniguchi, S. Suzuki, T. Arakawa, H. Yoshida, Y. Niimi, and K. Kobayashi,
“Fabrication of thin films of two-dimensional triangular antiferromagnet Ag2CrO2 and their transport properties”,
AIP Advances 8, 025010 (2018). [link]
2017
M. Ferrier, T. Arakawa, T. Hata, R. Fujiwara, R. Delagrange, R. Deblock, Y. Teratani, R. Sakano, A. Oguri, and K. Kobayashi,
“Quantum Fluctuations along Symmetry Crossover in a Kondo-Correlated Quantum Dot”,
Physical Review Letters 118, 196803 (2017). [link]
[阪大 理学研究科 研究トピックス]
ニュースサイトで紹介されました： 日経、 マイナビニュース、 EE times Japan、 大学ジャーナルオンライン 他。
S. Iwakiri, Y. Niimi, and K. Kobayashi,
“Dynamics of pure spin current in high-frequency quantum regime”,
Applied Physics Express 10, 053001 (2017). [link]
2016
Y. Teratani, R. Sakano, R. Fujiwara, T. Hata, T. Arakawa, M. Ferrier, K. Kobayashi, and A. Oguri,
“Field-Enhanced Kondo Correlations in a Half-Filling Nanotube Dot: Evolution of an SU(N) Fermi-Liquid Fixed Point”,
Journal of the Physical Society of Japan 85, 094718 (2016). [link]
K. Tanabe, R. Matsumoto, J.-I. Ohe, S. Murakami, T. Moriyama, D. Chiba, K. Kobayashi, and T. Ono,
“Observation of magnon Hall-like effect for sample-edge scattering in unsaturated YIG”,
physica status solidi (b) 253, 783-787 (2016). [link]
S. Takeshita, S. Matsuo, T. Tanaka, S. Nakaharai, K. Tsukagoshi, T. Moriyama, T. Ono, T. Arakawa, and K. Kobayashi,
“Anomalous behavior of 1/f noise in graphene near the charge neutrality point”,
Applied Physics Letters 108, 103106 (2016). [link]
J. Stigloher, M. Decker, H. S. Korner, K. Tanabe, T. Moriyama, T. Taniguchi, H. Hata, M. Madami, G. Gubbiotti, K. Kobayashi, T. Ono, and C. H. Back,
“Snell’s Law for Spin Waves”,
Physical Review Letters 117, 037204 (2016). [link] [featured in Physics] [featured in Nature Physics]
T. Muro, Y. Nishihara, S. Norimoto, M. Ferrier, T. Arakawa, K. Kobayashi, T. Ihn, C. Rossler, K. Ensslin, C. Reichl, and W. Wegscheider,
“Finite Shot Noise and Electron Heating at Quantized Conductance in High-mobility Quantum Point Contacts”,
Physical Review B 93, 195411 (2016). [link]
K. Kobayashi,
“What can we learn from noise? —Mesoscopic nonequilibrium statistical physics—”,
Proceedings of the Japan Academy, Series B 92, 204-221 (2016). [link] [featured in Cover Illustration]
T. Hata, T. Arakawa, K. Chida, S. Matsuo, and K. Kobayashi,
“Giant Fano factor and bistability in a Corbino disk in the quantum Hall effect breakdown regime”,
Journal of Physics: Condensed Matter 28, 055801 (2016). [link]
M. Ferrier, T. Arakawa, T. Hata, R. Fujiwara, R. Delagrange, R. Weil, R. Deblock, R. Sakano, A. Oguri, and K. Kobayashi,
“Universality of non-equilibrium fluctuations in strongly correlated quantum liquids”,
Nature Physics 12, 230-235 (2016). [link]
2015
S. Matsuo, S. Takeshita, T. Tanaka, S. Nakaharai, K. Tsukagoshi, T. Moriyama, T. Ono, and K. Kobayashi,
“Edge mixing dynamics in graphene p-n junctions in the quantum Hall regime”,
Nature Communications 6, 8066 (2015). [link]
S. Matsuo, S. Nakaharai, K. Komatsu, K. Tsukagoshi, T. Moriyama, T. Ono, and K. Kobayashi,
“Parity effect of bipolar quantum Hall edge transport around graphene antidots”,
Scientific Reports 5, 11723 (2015). [link]
H. Hata, T. Moriyama, K. Tanabe, K. Kobayashi, R. Matsumoto, S. Murakami, J.-i. Ohe, D. Chiba, and T. Ono,
“Micromagnetic simulation of spin wave propagation in a ferromagnetic film with different thicknesses”,
Journal of the Magnetics Society of Japan 39, 151-155 (2015). [link]
T. Arakawa, J. Shiogai, M. Ciorga, M. Utz, D. Schuh, M. Kohda, J. Nitta, D. Bougeard, D. Weiss, T. Ono, and K. Kobayashi,
“Shot noise induced by nonequilibrium spin accumulation”,
Physical Review Letters 114, 016601 (2015). [link][selected as an Editors’ Suggestion]
see also: brief summary (in Japanese).
2014
K. Yamada, T. Sato, Y. Nakatani, S. Kasai, D. Chiba, K. Kobayashi, A. Thiaville, and T. Ono,
“Switching of magnetic vortex core in elliptical disks by nanosecond field pulses”,
Applied Physics Express 7, 063008 (2014). [link]
T. Tanaka, T. Arakawa, M. Maeda, K. Kobayashi, Y. Nishihara, T. Ono, T. Nozaki, A. Fukushima, and S. Yuasa,
“Leak current estimated from the shot noise in magnetic tunneling junctions”,
Applied Physics Letters 105, 042405 (2014). [link]
K. Tanabe, R. Matsumoto, J.-i. Ohe, S. Murakami, T. Moriyama, D. Chiba, K. Kobayashi, and T. Ono,
“Real-time observation of Snell’s law for spin waves in thin ferromagnetic films”,
Applied Physics Express 7, 053001 (2014). [link]
see also: related article from the Magnetics Society of Japan (in Japanese).
K. Chida, T. Hata, T. Arakawa, S. Matsuo, Y. Nishihara, T. Tanaka, T. Ono, and K. Kobayashi,
“Avalanche electron bunching in a Corbino disk in the quantum Hall effect breakdown regime”,
Physical Review B 89, 235318 (2014). [link]
2013
Y. Nishihara, S. Nakamura, K. Kobayashi, T. Ono, M. Kohda, and J. Nitta,
“Shot noise at the quantum point contact in InGaAs heterostructure”,
AIP Conference Proceedings 1566, 311-312 (2013). [link]
K. Nakano, K. Tanabe, R. Hiramatsu, D. Chiba, N. Ohshima, S. Kasai, T. Sato, Y. Nakatani, K. Sekiguchi, K. Kobayashi, and T. Ono,
“Real-time observation of electrical vortex core switching”,
Applied Physics Letters 102, 072405 (2013). [link]
S. Matsuo, T. Koyama, K. Shimamura, T. Arakawa, Y. Nishihara, D. Chiba, K. Kobayashi, T. Ono, C.-Z. Chang, K. He, X.-C. Ma, and Q.-K. Xue,
“Conductance fluctuation and weak antilocalization in epitaxial Bi2Se3“,
AIP Conference Proceedings 1566, 193-194 (2013). [link]
S. Matsuo, K. Chida, D. Chiba, T. Ono, K. Slevin, K. Kobayashi, T. Ohtsuki, C.-Z. Chang, K. He, X.-C. Ma, and Q.-K. Xue,
“Experimental proof of universal conductance fluctuation in quasi-one-dimensional epitaxial Bi2Se3 wires”,
Physical Review B 88, 155438 (2013). [link]
K. J. Kim, R. Hiramatsu, T. Koyama, K. Ueda, Y. Yoshimura, D. Chiba, K. Kobayashi, Y. Nakatani, S. Fukami, M. Yamanouchi, H. Ohno, H. Kohno, G. Tatara, and T. Ono,
“Two-barrier stability that allows low-power operation in current-induced domain-wall motion”,
Nature Communications 4, 2011 (2013). [link]
K. Chida, M. Hashisaka, Y. Yamauchi, S. Nakamura, T. Arakawa, T. Machida, K. Kobayashi, and T. Ono,
“Bias voltage dependence of the electron spin depolarization in quantum wires in the quantum Hall regime detected by the resistively detected NMR”,
AIP Conference Proceedings 1566, 279-280 (2013). [link]
K. Chida, T. Arakawa, S. Matsuo, Y. Nishihara, T. Tanaka, D. Chiba, T. Ono, T. Hata, K. Kobayashi, and T. Machida,
“Observation of finite excess noise in the voltage-biased quantum Hall regime as a precursor for breakdown”,
Physical Review B 87, 155313 (2013). [link]
T. Arakawa, Y. Nishihara, M. Maeda, S. Norimoto, and K. Kobayashi,
“Cryogenic amplifier for shot noise measurement at 20 mK”,
Applied Physics Letters 103, 172104 (2013). [link]
2012
Y. Utsumi, D. S. Golubev, M. Marthaler, G. Schon, and K. Kobayashi,
“Work fluctuation theorem for a classical circuit coupled to a quantum conductor”,
Physical Review B 86, 075420 (2012). [link]
K. Ueda, T. Koyama, R. Hiramatsu, D. Chiba, S. Fukami, H. Tanigawa, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi, and T. Ono,
“Temperature dependence of carrier spin polarization determined from current-induced domain wall motion in a Co/Ni nanowire”,
Applied Physics Letters 100, 202407 (2012). [link]
T. Tanaka, T. Arakawa, K. Chida, Y. Nishihara, D. Chiba, K. Kobayashi, T. Ono, H. Sukegawa, S. Kasai, and S. Mitani,
“Signature of Coherent Transport in Epitaxial Spinel-Based Magnetic Tunnel Junctions Probed by Shot Noise Measurement”,
Applied Physics Express 5, 053003 (2012). [link]
K. Tanabe, D. Chiba, J. Ohe, S. Kasai, H. Kohno, S. E. Barnes, S. Maekawa, K. Kobayashi, and T. Ono,
“Spin-motive force due to a gyrating magnetic vortex”,
Nature Communications 3, 845 (2012). [link]
J. Shiogai, M. Ciorga, M. Utz, D. Schuh, T. Arakawa, M. Kohda, K. Kobayashi, T. Ono, W. Wegscheider, D. Weiss, and J. Nitta,
“Dynamic nuclear spin polarization in an all-semiconductor spin injection device with (Ga,Mn)As/n-GaAs spin Esaki diode”,
Applied Physics Letters 101, 212402 (2012). [link]
K. Shimamura, D. Chiba, S. Ono, S. Fukami, N. Ishiwata, M. Kawaguchi, K. Kobayashi, and T. Ono,
“Electrical control of Curie temperature in cobalt using an ionic liquid film”,
Applied Physics Letters 100, 122402 (2012). [link]
K. Sekiguchi, K. Yamada, S. M. Seo, K. J. Lee, D. Chiba, K. Kobayashi, and T. Ono,
“Time-domain measurement of current-induced spin wave dynamics”,
Physical Review Letters 108, 017203 (2012). [link]
Y. Nishihara, S. Nakamura, K. Kobayashi, T. Ono, M. Kohda, and J. Nitta,
“Shot noise suppression in InGaAs/InGaAsP quantum channels”,
Applied Physics Letters 100, 203111 (2012). [link]
S. Matsuo, T. Koyama, K. Shimamura, T. Arakawa, Y. Nishihara, D. Chiba, K. Kobayashi, T. Ono, C.-Z. Chang, K. He, X.-C. Ma, and Q.-K. Xue,
“Weak antilocalization and conductance fluctuation in a submicrometer-sized wire of epitaxial Bi2Se3“,
Physical Review B 85, 075440 (2012). [link]
T. Koyama, K. Ueda, K. J. Kim, Y. Yoshimura, D. Chiba, K. Yamada, J. P. Jamet, A. Mougin, A. Thiaville, S. Mizukami, S. Fukami, N. Ishiwata, Y. Nakatani, H. Kohno, K. Kobayashi, and T. Ono,
“Current-induced magnetic domain wall motion below intrinsic threshold triggered by Walker breakdown”,
Nature Nanotechnology 7, 635-9 (2012). [link]
K. Kondou, N. Ohshima, D. Chiba, S. Kasai, K. Kobayashi, and T. Ono,
“Experimental detection of domain wall propagation above the Walker field”,
Journal of Physics: Condensed Matter 24, 024217 (2012). [link]
M. Kohda, S. Nakamura, Y. Nishihara, K. Kobayashi, T. Ono, J. Ohe, Y. Tokura, T. Mineno, and J. Nitta,
“Spin-orbit induced electronic spin separation in semiconductor nanostructures”,
Nature Communications 3, 1082 (2012). [link]
K.-J. Kim, D. Chiba, K. Kobayashi, S. Fukami, M. Yamanouchi, H. Ohno, S.-G. Je, S.-B. Choe, and T. Ono,
“Observation of magnetic domain-wall dynamics transition in Co/Ni multilayered nanowires”,
Applied Physics Letters 101, 022407 (2012). [link]
K. Chida, M. Hashisaka, Y. Yamauchi, S. Nakamura, T. Arakawa, T. Machida, K. Kobayashi, and T. Ono,
“Shot noise induced by electron-nuclear spin-flip scattering in a nonequilibrium quantum wire”,
Physical Review B 85, 041309 (Rapid Communications) (2012). [link] [selected as an Editors’ Suggestion]
D. Chiba, M. Kawaguchi, S. Fukami, N. Ishiwata, K. Shimamura, K. Kobayashi, and T. Ono,
“Electric-field control of magnetic domain-wall velocity in ultrathin cobalt with perpendicular magnetization”,
Nature Communications 3, 888 (2012). [link]
T. Arakawa, T. Tanaka, K. Chida, S. Matsuo, Y. Nishihara, D. Chiba, K. Kobayashi, T. Ono, A. Fukushima, and S. Yuasa,
“Low-frequency and shot noises in CoFeB/MgO/CoFeB magnetic tunneling junctions”,
Physical Review B 86, 224423 (2012). [link]
2011
Y. Yamauchi, K. Sekiguchi, K. Chida, T. Arakawa, S. Nakamura, K. Kobayashi, T. Ono, T. Fujii, and R. Sakano,
“Evolution of the Kondo effect in a quantum dot probed by shot noise”,
Physical Review Letters 106, 176601 (2011). [link]
K. Nakano, D. Chiba, N. Ohshima, S. Kasai, T. Sato, Y. Nakatani, K. Sekiguchi, K. Kobayashi, and T. Ono,
“All-electrical operation of magnetic vortex core memory cell”,
Applied Physics Letters 99, 262505 (2011). [link]
S. Nakamura, Y. Yamauchi, M. Hashisaka, K. Chida, K. Kobayashi, T. Ono, R. Leturcq, K. Ensslin, K. Saito, Y. Utsumi, and A. C. Gossard,
“Experimental test of Fluctuation Theorem in a quantum coherent conductor”,
2011 21st International Conference on Noise and Fluctuations (ICNF), 270-274 (2011). [link] [IUPAP Young Author Best Paper Award]
S. Nakamura, Y. Yamauchi, M. Hashisaka, K. Chida, K. Kobayashi, T. Ono, R. Leturcq, K. Ensslin, K. Saito, Y. Utsumi, and A. C. Gossard,
“Fluctuation theorem and microreversibility in a quantum coherent conductor”,
Physical Review B 83, 155431 (2011). [link] [selected as an Editors’ Suggestion]
S. Nakamura, Y. Yamauchi, M. Hashisaka, K. Chida, K. Kobayashi, T. Ono, R. Leturcq, K. Ensslin, K. Saito, Y. Utsumi, and A. C. Gossard,
“Nonequilibrium fluctuation relations in a quantum coherent conductor”,
AIP Conference Proceedings 1399, 329-330 (2011). [link]
T. Koyama, D. Chiba, K. Ueda, K. Kondou, H. Tanigawa, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi, and T. Ono,
“Observation of the intrinsic pinning of a magnetic domain wall in a ferromagnetic nanowire”,
Nature Materials 10, 194-7 (2011). [link]
K. Chida, M. Hashisaka, Y. Yamauchi, S. Nakamura, T. Arakawa, T. Machida, K. Kobayashi, and T. Ono,
“Non-equilibrium transport in a quantum wire in the quantum Hall regime”,
Journal of Physics: Conference Series 334, 012031 (2011). [link]
K. Chida, M. Hashisaka, Y. Yamauchi, S. Nakamura, T. Arakawa, T. Machida, K. Kobayashi, and T. Ono,
“Dispersive Lineshape of the Resistively Detected NMR in a Quantum Wire in the Quantum Hall Regime”,
AIP Conference Proceedings 1399, 675-676 (2011). [link]
D. Chiba, S. Fukami, K. Shimamura, N. Ishiwata, K. Kobayashi, and T. Ono,
“Electrical control of the ferromagnetic phase transition in cobalt at room temperature”,
Nature Materials 10, 853-6 (2011). [link]
T. Arakawa, K. Sekiguchi, S. Nakamura, K. Chida, Y. Nishihara, D. Chiba, K. Kobayashi, A. Fukushima, S. Yuasa, and T. Ono,
“Sub-Poissonian shot noise in CoFeB/MgO/CoFeB-based magnetic tunneling junctions”,
Applied Physics Letters 98, 202103 (2011). [link]
2010
K. Yamada, S. Kasai, Y. Nakatani, K. Kobayashi, and T. Ono,
“Current-induced switching of magnetic vortex core in ferromagnetic elliptical disks”,
Applied Physics Letters 96, 192508 (2010). [link]
K. Sekiguchi, K. Yamada, S. M. Seo, K. J. Lee, D. Chiba, K. Kobayashi, and T. Ono,
“Nonreciprocal emission of spin-wave packet in FeNi film”,
Applied Physics Letters 97, 022508 (2010). [link]
K. Sekiguchi, T. Arakawa, Y. Yamauchi, K. Chida, M. Yamada, H. Takahashi, D. Chiba, K. Kobayashi, and T. Ono,
“Observation of full shot noise in CoFeB/MgO/CoFeB-based magnetic tunneling junctions”,
Applied Physics Letters 96, 252504 (2010). [link]
K. Nakano, D. Chiba, K. Sekiguchi, S. Kasai, N. Ohshima, K. Kobayashi, and T. Ono,
“Electrical Detection of Vortex Core Polarity in Ferromagnetic Disk”,
Applied Physics Express 3, 053001 (2010). [link]
S. Nakamura, Y. Yamauchi, M. Hashisaka, K. Chida, K. Kobayashi, T. Ono, R. Leturcq, K. Ensslin, K. Saito, Y. Utsumi, and A. C. Gossard,
“Nonequilibrium fluctuation relations in a quantum coherent conductor”,
Physical Review Letters 104, 080602 (2010). [link]
S. Nakamura, M. Hashisaka, Y. Yamauchi, S. Kasai, T. Ono, and K. Kobayashi,
“Spin Polarization in a Curvature‐controlled Quantum Point Contact”,
AIP Conference Proceedings 1199, 451-452 (2010). [link]
M. Hashisaka, Y. Yamauchi, S. Nakamura, S. Kasai, T. Ono, and K. Kobayashi,
“Bolometric Shot Noise Detection in Coupled Quantum Point Contacts”,
AIP Conference Proceedings 1199, 367-368 (2010). [link] [IUPAP Young Author Best Paper Award]
M. Hashisaka, A. Helzel, S. Nakamura, L. Litvin, Y. Yamauchi, K. Kobayashi, T. Ono, H.-P. Tranitz, W. Wegscheider, and C. Strunk,
“Temperature dependence of the visibility in an electronic Mach-Zehnder interferometer”,
Physica E: Low-dimensional Systems and Nanostructures 42, 1091-1094 (2010). [link]
M. P. Delmo, S. Yamamoto, S. Kasai, T. Ono, and K. Kobayashi,
“Large Magnetoresistive Effect Enhanced by Space-Charge Effect in Silicon”,
AIP Conference Proceedings 1199, 37-38 (2010). [link]
2009
Y. Yamauchi, M. Hashisaka, S. Nakamura, K. Chida, S. Kasai, T. Ono, R. Leturcq, K. Ensslin, D. C. Driscoll, A. C. Gossard, and K. Kobayashi,
“Universality of bias- and temperature-induced dephasing in ballistic electronic interferometers”,
Physical Review B 79, 161306 (Rapid Communications) (2009). [link]
Y. Yamauchi, M. Hashisaka, S. Nakamura, K. Chida, S. Kasai, T. Ono, R. Leturcq, K. Ensslin, D. C. Driscoll, A. C. Gossard, and K. Kobayashi,
“Non-equilibrium dephasing in ballistic interferometers”,
Journal of Physics: Conference Series 193, 012045 (2009). [link]
S. Nakamura, M. Hashisaka, Y. Yamauchi, S. Kasai, T. Ono, and K. Kobayashi,
“Conductance anomaly and Fano factor reduction in quantum point contacts”,
Physical Review B 79, 201308 (Rapid Communications) (2009). [link]
M. Hashisaka, Y. Yamauchi, K. Chida, S. Nakamura, K. Kobayashi, and T. Ono,
“Noise measurement system at electron temperature down to 20 mK with combinations of the low pass filters”,
Review of Scientific Instruments 80, 096105 (2009). [link]
M. P. Delmo, S. Yamamoto, S. Kasai, T. Ono, and K. Kobayashi,
“Large positive magnetoresistive effect in silicon induced by the space-charge effect”,
Nature 457, 1112-5 (2009). [link]
M. P. Delmo, S. Kasai, K. Kobayashi, and T. Ono,
“Space-charge-effect-induced large magnetoresistance in silicon”,
Journal of Physics: Conference Series 193, 012001 (2009). [link]
M. P. Delmo, S. Kasai, K. Kobayashi, and T. Ono,
“Current-controlled magnetoresistance in silicon in non-Ohmic transport regimes”,
Applied Physics Letters 95, 132106 (2009). [link]
2008
S. Yamamoto, Y. Tamada, K. Kobayashi, T. Ono, and M. Takano,
“Effects of Size Distribution on the Easy Axis Alignment of L10-FePt Nanoparticles”,
Journal of the Magnetics Society of Japan 32, 66-69 (2008). [link]
K. Yamada, S. Kasai, Y. Nakatani, K. Kobayashi, and T. Ono,
“Switching magnetic vortex core by a single nanosecond current pulse”,
Applied Physics Letters 93, 152502 (2008). [link]
H. Tanigawa, T. Koyama, M. Bartkowiak, S. Kasai, K. Kobayashi, T. Ono, and Y. Nakatani,
“Dynamical pinning of a domain wall in a magnetic nanowire induced by Walker breakdown”,
Physical Review Letters 101, 207203 (2008). [link]
S. Kasai, K. Nakano, K. Kondou, N. Ohshima, K. Kobayashi, and T. Ono,
“Three-Terminal Device Based on the Current-Induced Magnetic Vortex Dynamics with the Magnetic Tunnel Junction”,
Applied Physics Express 1, 091302 (2008). [link]
S. Kasai, P. Fischer, M. Y. Im, K. Yamada, Y. Nakatani, K. Kobayashi, H. Kohno, and T. Ono,
“Probing the spin polarization of current by soft x-ray imaging of current-induced magnetic vortex dynamics”,
Physical Review Letters 101, 237203 (2008). [link]
M. Hashisaka, Y. Yamauchi, S. Nakamura, S. Kasai, T. Ono, and K. Kobayashi,
“Bolometric detection of quantum shot noise in coupled mesoscopic systems”,
Physical Review B 78, 241303 (Rapid Communications) (2008). [link]
M. Hashisaka, Y. Yamauchi, S. Nakamura, S. Kasai, K. Kobayashi, and T. Ono,
“Measurement for quantum shot noise in a quantum point contact at low temperatures”,
Journal of Physics: Conference Series 109, 012013 (2008). [link]
M. Hashisaka, S. Nakamura, Y. Yamauchi, S. Kasai, K. Kobayashi, and T. Ono,
“Development of a measurement system for quantum shot noise at low temperatures”,
physica status solidi (c) 5, 182-185 (2008). [link]
2007
K. Yamada, S. Kasai, Y. Nakatani, K. Kobayashi, H. Kohno, A. Thiaville, and T. Ono,
“Electrical switching of the vortex core in a magnetic disk”,
Nature Materials 6, 269-3 (2007). [link] [featured in Cover Illustration]
S. Kasai, Y. Nakatani, K. Kobayashi, H. Kohno, and T. Ono,
“Magnetization reversal in a ferromagnetic circular dot under current induced resonant excitation”,
Journal of Magnetism and Magnetic Materials 310, 2351-2352 (2007). [link]
2006
T. Unuma, K. Kobayashi, A. Yamamoto, M. Yoshita, K. Hirakawa, Y. Hashimoto, S. Katsumoto, Y. Iye, Y. Kanemitsu, and H. Akiyama,
“Collective and single-particle intersubband excitations in narrow quantum wells selected by infrared absorption and resonant Raman scattering”,
Physical Review B 74, 195306 (2006). [link]
K. Miura, S. Kasai, K. Kobayashi, and T. Ono,
“Non Local Spin Detection in Ferromagnet/Superconductor/Ferromagnet Spin-Valve Device with Double-Tunnel Junctions”,
Japanese Journal of Applied Physics 45, 2888-2891 (2006). [link]
S. Kasai, Y. Nakatani, K. Kobayashi, H. Kohno, and T. Ono,
“Current-driven resonant excitation of magnetic vortices”,
Physical Review Letters 97, 107204 (2006). [link]
A. Aharony, O. Entin-Wohlman, T. Otsuka, S. Katsumoto, H. Aikawa, and K. Kobayashi,
“Breakdown of phase rigidity and variations of the Fano effect in closed Aharonov-Bohm interferometers”,
Physical Review B 73, 195329 (2006). [link]
2005
M. Sato, H. Aikawa, K. Kobayashi, S. Katsumoto, and Y. Iye,
“Observation of the Fano-Kondo antiresonance in a quantum wire with a side-coupled quantum dot”,
Physical Review Letters 95, 066801 (2005). [link]
2004
T. Unuma, K. Kobayashi, A. Yamamoto, M. Yoshita, Y. Hashimoto, S. Katsumoto, Y. Iye, Y. Kanemitsu, and H. Akiyama,
“Intersubband electronic Raman scattering in narrow GaAs single quantum wells dominated by single-particle excitations”,
Physical Review B 70, 153305 (2004). [link]
K. Kodera, A. Endo, K. Kobayashi, S. Katsumoto, and Y. Iye,
“Magnetoresistance anomalies at level crossing in double layer quantum Hall systems”,
Physica E: Low-dimensional Systems and Nanostructures 22, 64-67 (2004). [link]
K. Kobayashi, H. Aikawa, A. Sano, S. Katsumoto, and Y. Iye,
“Fano resonance in a quantum wire with a side-coupled quantum dot”,
Physical Review B 70, 035319 (2004). [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Mesoscopic Fano effect through a quantum dot in an Aharonov-Bohm ring”,
Physica E: Low-dimensional Systems and Nanostructures 22, 468-473 (2004). [link]
S. Katsumoto, H. Aikawa, K. Kobayashi, and Y. Iye,
“Getting Informations of Wavefunctions in Quantum Dots from the Fano Effect”,
in Second Quantum-Transport Nano-Hana International Workshop on Interacting Electron Systems in Quantum-Transport Devices: QTNH2004. (Institute of Pure and Applied Physics, Chiba University, Chiba, Japan, 2004). [link]
H. Aikawa, K. Kobayashi, A. Sano, S. Katsumoto, and Y. Iye,
“Observation of ‘partial coherence’ in an Aharonov-Bohm interferometer with a quantum dot”,
Physical Review Letters 92, 176802 (2004). [link]
H. Aikawa, K. Kobayashi, A. Sano, S. Katsumoto, and Y. Iye,
“Spin-flip process and quantum decoherence in a quantum dot”,
Physica E: Low-dimensional Systems and Nanostructures 22, 474-477 (2004). [link]
H. Aikawa, K. Kobayashi, A. Sano, S. Katsumoto, and Y. Iye,
“Interference Effect in Multilevel Transport through a Quantum Dot”,
Journal of the Physical Society of Japan 73, 3235-3238 (2004). [link]
2003
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“A Tunable Fano System Realized in a Quantum Dot in an Aharonov-Bohm Ring”,
in Physics of Semiconductors 2002, Institute of Physics Conference Series, A. R. Long, J. H. Davies, Eds. (Institute of Physics Publishing, Bristol, 2003), vol. 171, Q4.2. [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Mesoscopic Fano effect in a quantum dot embedded in an Aharonov-Bohm ring”,
Physical Review B 68, 235304 (2003). [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Tunable Fano system: a quantum dot embedded in an Aharonov-Bohm ring”,
Physica E: Low-dimensional Systems and Nanostructures 18, 56-59 (2003). [link]
S. Katsumoto, K. Kobayashi, H. Aikawa, A. Sano, and Y. Iye,
“Quantum coherence in quantum dot-Aharonov-Bohm ring hybrid systems”,
Superlattices and Microstructures 34, 151-157 (2003). [link]
H. Aikawa, K. Kobayashi, S. Katsumoto, and Y. Iye,
“Suppression of Quantum Decoherence in an Aharonov-Bohm Ring”,
Journal of the Physical Society of Japan 72, 5-6 (2003). [link]
H. Aikawa, K. Kobayashi, S. Katsumoto, and Y. Iye,
“Suppression of Quantum Decoherence in Nonlocal Resistance Measurement”,
in Physics of Semiconductors 2002, Institute of Physics Conference Series. (Institute of Physics Publishing, Bristol, 2003), vol. 171, P249. [link]
2002
K. Kobayashi, T. Susaki, A. Fujimori, T. Tonogai, and H. Takagi,
“Disorder effects in the bipolaron system Ti4O7 studied by photoemission spectroscopy”,
Europhysics Letters (EPL) 59, 868-874 (2002). [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Reduction of quantum decoherence in non-local resistance measurement”,
Microelectronic Engineering 63, 53-56 (2002). [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Probe-Configuration-Dependent Decoherence in an Aharonov-Bohm Ring”,
Journal of the Physical Society of Japan 71, 2094-2097 (2002). [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Observation of an enhanced Aharonov-Bohm effect”,
Journal of Physics and Chemistry of Solids 63, 1301-1305 (2002). [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Observation-Dependent Decoherence in an Aharonov-Bohm Ring”,
in Proceedings of The 7th International Symposium on Foundations of Quantum Mechanics In the Light of New Technology, Y. A. Ono, K. Fujikawa, Eds. (World Scientific, 2002), 237-240. [link]
K. Kobayashi, H. Aikawa, S. Katsumoto, and Y. Iye,
“Tuning of the Fano effect through a quantum dot in an Aharonov-Bohm interferometer”,
Physical Review Letters 88, 256806 (2002). [link]
2001
T. Susaki, K. Kobayashi, A. Fujimori, A. Ohno, T. Tonogai, and H. Takagi,
“Effects of hole doping in FeSi: Photoemission study of FeSi1-xAlx“,
Physical Review B 64, 153106-153109 (2001). [link]
K. Kobayashi, A. Fujimori, T. Ohtani, I. Dasgupta, O. Jepsen, and O. K. Andersen,
“Electronic structure of the Chevrel-phase compounds SnxMo6Se7.5: Photoemission spectroscopy and band-structure calculations”,
Physical Review B 63, 195109-195115 (2001). [link]
A. Fujimori, T. Yoshida, K. Okazaki, T. Tsujioka, K. Kobayashi, T. Mizokawa, M. Onoda, T. Katsufuji, Y. Taguchi, and Y. Tokura,
“Electronic structure of Mott-Hubbard-type transition-metal oxides”,
Journal of Electron Spectroscopy and Related Phenomena 117-118, 277-286 (2001). [link]
2000
M. Satake, K. Kobayashi, T. Mizokawa, A. Fujimori, T. Tanabe, T. Katsufuji, and Y. Tokura,
“Charge ordering and chemical potential shift in La2-xSrxNiO4 studied by photoemission spectroscopy”,
Physical Review B 61, 15515-15518 (2000). [link]
J. Matsuno, K. Kobayashi, A. Fujimori, L. F. Mattheiss, and Y. Ueda,
“Electronic structure of the “heavy-fermion” systems LiV2O4“,
Physica B: Condensed Matter 281-282, 28-29 (2000). [link]
T. Konishi, K. Morikawa, K. Kobayashi, T. Mizokawa, A. Fujimori, K. Mamiya, F. Iga, H. Kawanaka, Y. Nishihara, A. Delin, and O. Eriksson,
“Electronic structure of the strongly hybridized ferromagnet CeFe2“,
Physical Review B 62, 14304-14312 (2000). [link]
1999
K. Kobayashi, T. Mizokawa, A. Ino, J. Matsuno, A. Fujimori, H. Samata, A. Mishiro, Y. Nagata, and F. M. F. de Groot,
“Doping dependence of the electronic structure of Ba1-xKxBiO3 studied by x-ray-absorption spectroscopy”,
Physical Review B 59, 15100-15106 (1999). [link]
K. Kobayashi, T. Mizokawa, A. Fujimori, M. Isobe, Y. Ueda, T. Tohyama, and S. Maekawa,
“Finite Temperature Effects in a One-Dimensional Mott-Hubbard Insulator: Angle-Resolved Photoemission Study of Na0.96V2O5“,
Physical Review Letters 82, 803-806 (1999). [link]
1998
T. Konishi, K. Mamiya, K. Morikawa, K. Kobayashi, T. Mizokawa, A. Fujimori, F. Iga, H. Kawanaka, Y. Nishihara, A. Delin, and O. Eriksson,
“Photoemission and inverse-photoemission study of ferromagnetic valence fluctuating system CeFe2“,
Journal of Electron Spectroscopy and Related Phenomena 88-91, 303-307 (1998). [link]
T. Konishi, K. Kobayashi, K. Mamiya, T. Mizokawa, S. Nohara, A. Fujimori, and T. Takabatake,
“Photoemission and inverse-photoemission study of CeNiSn”,
Journal of Electron Spectroscopy and Related Phenomena 88-91, 411-414 (1998). [link]
K. Kobayashi, T. Mizokawa, A. Fujimori, M. Isobe, and Y. Ueda,
“Single-Particle Excitations in One-Dimensional Mott-Hubbard Insulator NaV2O5“,
Physical Review Letters 80, 3121-3124 (1998). [link]
K. Kobayashi, T. Mizokawa, A. Fujimori, M. Isobe, and Y. Ueda,
“Angle resolved photoemission study of the spin-Peierls system α’-NaV2O5“,
Journal of Electron Spectroscopy and Related Phenomena 92, 87-90 (1998). [link]
A. Ino, T. Mizokawa, K. Kobayashi, A. Fujimori, T. Sasagawa, T. Kimura, K. Kishio, K. Tamasaku, H. Eisaki, and S. Uchida,
“Doping Dependent Density of States and Pseudogap Behavior in La2-xSrxCuO4“,
Physical Review Letters 81, 2124-2127 (1998). [link]
1997
T. Susaki, A. Sekiyama, K. Kobayashi, T. Mizokawa, A. Fujimori, M. Tsunekawa, T. Muro, T. Matsushita, S. Suga, H. Ishii, T. Hanyu, A. Kimura, H. Namatame, M. Taniguchi, T. Miyahara, F. Iga, M. Kasaya, and H. Harima,
“Susaki et al. Reply”,
Physical Review Letters 78, 1832-1832 (1997). [link]
T. Saitoh, A. Sekiyama, K. Kobayashi, T. Mizokawa, A. Fujimori, D. D. Sarma, Y. Takeda, and M. Takano,
“Temperature-dependent valence-band photoemission spectra of La1-xSrxMnO3“,
Physical Review B 56, 8836-8840 (1997). [link]
1996
T. Susaki, A. Sekiyama, K. Kobayashi, T. Mizokawa, A. Fujimori, M. Tsunekawa, T. Muro, T. Matsushita, S. Suga, H. Ishii, T. Hanyu, A. Kimura, H. Namatame, M. Taniguchi, T. Miyahara, F. Iga, M. Kasaya, and H. Harima,
“Low-Energy Electronic Structure of the Kondo Insulator YbB12“,
Physical Review Letters 77, 4269-4272 (1996). [link]
D. D. Sarma, N. Shanthi, S. R. Krishnakumar, T. Saitoh, T. Mizokawa, A. Sekiyama, K. Kobayashi, A. Fujimori, E. Weschke, R. Meier, G. Kaindl, Y. Takeda, and M. Takano,
“Temperature-dependent photoemission spectral weight in La0.6Sr0.4MnO3“,
Physical Review B 53, 6873-6876 (1996). [link]
K. Kobayashi, T. Mizokawa, K. Mamiya, A. Sekiyama, A. Fujimori, H. Takagi, H. Eisaki, S. Uchida, R. J. Cava, J. J. Krajewski, and W. F. Peck,
“Photoemission study of Ni borocarbides: Superconducting YNi2B2C and nonsuperconducting LaNi2B2C”,
Physical Review B 54, 507-514 (1996). [link]
A. Fujimori, A. E. Bocquet, K. Morikawa, K. Kobayashi, T. Saitoh, Y. Tokura, I. Hase, and M. Onoda,
“Electronic structure and electron-phonon interaction in transition metal oxides with d0 configuration and lightly doped compounds”,
Journal of Physics and Chemistry of Solids 57, 1379-1384 (1996). [link]
1995
S. Shin, A. Agui, M. Watanabe, M. Fujisawa, Y. Tezuka, T. Ishii, K. Kobayashi, A. Fujimori, M. Hinomaru, and H. Takagi,
“Soft-x-ray-emission studies of YNi2B2C and LaNi2B2C: Observation of the B2p and C2ppartial density of states”,
Physical Review B 52, 15082-15085 (1995). [link]
K. Morikawa, T. Mizokawa, K. Kobayashi, A. Fujimori, H. Eisaki, S. Uchida, F. Iga, and Y. Nishihara,
“Spectral weight transfer and mass renormalization in Mott-Hubbard systems SrVO3 and CaVO3: Influence of long-range Coulomb interaction”,
Physical Review B 52, 13711-13714 (1995). [link]
A. Fujimori, K. Morikawa, T. Mizokawa, T. Saitoh, M. Nakamura, Y. Tokura, I. Hase, and I. H. Inoue,
“Spectral Weight Transfer and Mass Renormalization in Correlated d-Electron Systems”,
in Spectroscopy of Mott Insulators and Correlated Metals: Proceedings of the 17th Taniguchi Symposium Kashikojima, Japan, October 24-28, 1994. (Springer Berlin Heidelberg, Berlin, Heidelberg, 1995), 174-184. [link]
1994
A. Fujimori, K. Kobayashi, T. Mizokawa, K. Mamiya, A. Sekiyama, H. Eisaki, H. Takagi, S. Uchida, R. J. Cava, J. J. Krajewski, and W. F. Peck,
“Photoemission and inverse-photoemission study of superconducting YNi2B2C: Effects of electron-electron and electron-phonon interactions”,
Physical Review B 50, 9660-9663 (Rapid Communications) (1994). [link]
