publication_type publication_year number author title journal_title volume_number issue_number start_page end_page doi reported_at Paper 2023 1 Yusuke Kozuka, Taisuke T. Sasaki, Terumasa Tadano, Jun Fujioka Science and Technology of Advanced Materials 24 1 https://doi.org/10.1080/14686996.2023.2265431 2024-03-29 05:32:02 +0900 Paper 2023 2 Kouta Kazama, Masato Sakano, Kohei Yamagami, Takuo Ohkochi, Kyoko Ishizaka, Terumasa Tadano, Yusuke Kozuka, Hidetoshi Yoshizawa, Yoshihiro Tsujimoto, Kazunari Yamaura, Jun Fujioka Physical Review Materials 7 8 https://doi.org/10.1103/physrevmaterials.7.085402 2024-03-29 05:32:02 +0900 Paper 2023 3 Saikat Das, Satoshi Sugimoto, Varun Kumar Kushwaha, Yusuke Kozuka, Shinya Kasai APL Materials 11 4 041113 https://doi.org/10.1063/5.0142695 2024-03-29 05:32:02 +0900 Paper 2022 1 Shinji Isogami, Mitsuru Ohtake, Yusuke Kozuka, Yukiko K. Takahashi Journal of Magnetism and Magnetic Materials 560 169642 https://doi.org/10.1016/j.jmmm.2022.169642 2024-03-29 05:32:02 +0900 Paper 2022 2 Vasileios Niaouris, Mikhail V. Durnev, Xiayu Linpeng, Maria L. K. Viitaniemi, Christian Zimmermann, Aswin Vishnuradhan, Yusuke Kozuka, Masashi Kawasaki, Kai-Mei C. Fu Ensemble spin relaxation of shallow donor qubits in ZnO Physical Review B 105 19 https://doi.org/10.1103/physrevb.105.195202 2024-03-29 05:32:02 +0900 Paper 2022 3 J. Falson, I. Sodemann, B. Skinner, D. Tabrea, Y. Kozuka, A. Tsukazaki, M. Kawasaki, K. von Klitzing, J. H. Smet Competing correlated states around the zero-field Wigner crystallization transition of electrons in two dimensions Nature Materials 21 3 311 316 https://doi.org/10.1038/s41563-021-01166-1 2024-03-29 05:32:02 +0900 Paper 2021 1 D. Maryenko, M. Kawamura, A. Ernst, V. K. Dugaev, E. Ya. Sherman, M. Kriener, M. S. Bahramy, Y. Kozuka, M. Kawasaki Interplay of spin–orbit coupling and Coulomb interaction in ZnO-based electron system Nature Communications 12 1 https://doi.org/10.1038/s41467-021-23483-4 2024-03-29 05:32:02 +0900 Paper 2021 2 Shinji Isogami, Nagalingam Rajamanickam, Yusuke Kozuka, Yukiko K. Takahashi Efficient current-driven magnetization switching owing to isotropic magnetism in a highly symmetric 111-oriented Mn4N epitaxial single layer AIP Advances 11 10 105314 https://doi.org/10.1063/5.0062253 2024-03-29 05:32:02 +0900 Paper 2021 3 Y. Kozuka, S. Isogami, K. Masuda, Y. Miura, Saikat Das, J. Fujioka, T. Ohkubo, S. Kasai "Observation of Nonlinear Spin-Charge Conversion in the Thin Film of Nominally Centrosymmetric Dirac Semimetal SrIrO3 at Room Temperature" Physical Review Letters 126 23 https://doi.org/10.1103/physrevlett.126.236801 2024-03-29 05:32:02 +0900 Paper 2021 4 Shuichi Iwakiri, Satoshi Sugimoto, Yasuhiro Niimi, Yusuke Kozuka, Yukiko K. Takahashi, Shinya Kasai, Kensuke Kobayashi Negative correlation between the linear and the nonlinear conductance in magnetic tunnel junctions Physical Review B 103 24 https://doi.org/10.1103/physrevb.103.245427 2024-03-29 05:32:02 +0900 Paper 2021 5 Saikat Das, Tadakatsu Ohkubo, Shinya Kasai, Yusuke Kozuka Deterministic Influence of Substrate-Induced Oxygen Vacancy Diffusion on Bi2WO6 Thin Film Growth Crystal Growth & Design 21 1 625 630 https://doi.org/10.1021/acs.cgd.0c01428 2024-03-29 05:32:02 +0900 Paper 2020 1 D. Tabrea, I. A. Dmitriev, S. I. Dorozhkin, B. P. Gorshunov, A. V. Boris, Y. Kozuka, A. Tsukazaki, M. Kawasaki, K. von Klitzing, J. Falson Microwave response of interacting oxide two-dimensional electron systems Physical Review B 102 11 https://doi.org/10.1103/physrevb.102.115432 2024-03-29 05:32:02 +0900 Paper 2020 2 Shuichi Iwakiri, Satoshi Sugimoto, Yasuhiro Niimi, Kensuke Kobayashi, Yusuke Kozuka, Yukiko K. Takahashi, Shinya Kasai Generation of multipeak spectrum of spin torque oscillator in non-linear regime Applied Physics Letters 117 2 022406 https://doi.org/10.1063/5.0013102 2024-03-29 05:32:02 +0900 Paper 2020 3 Satoshi Sugimoto, Shuichi Iwakiri, Yusuke Kozuka, Yukiko Takahashi, Yasuhiro Niimi, Kensuke Kobayashi, Shinya Kasai Multiple modes of a single spin torque oscillator under the non-linear region AIP Advances 10 7 075115 https://doi.org/10.1063/5.0013105 2024-03-29 05:32:02 +0900 Paper 2020 4 Minoru Kawamura, Masataka Mogi, Ryutaro Yoshimi, Atsushi Tsukazaki, Yusuke Kozuka, Kei S. Takahashi, Masashi Kawasaki, Yoshinori Tokura Current scaling of the topological quantum phase transition between a quantum anomalous Hall insulator and a trivial insulator Physical Review B 102 4 https://doi.org/10.1103/physrevb.102.041301 2024-03-29 05:32:02 +0900 Paper 2019 1 K. Tanaka, J. Falson, Y. Kozuka, M. Uchida, D. Maryenko, J. T. Ye, Y. Iwasa, A. Tsukazaki, J. H. Smet, M. Kawasaki Ballistic transport in periodically modulated MgZnO/ZnO two-dimensional electron systems Applied Physics Letters 115 15 153101 https://doi.org/10.1063/1.5121005 2024-03-29 05:32:02 +0900 Paper 2019 2 Masaki Uchida, Motoharu Ide, Minoru Kawamura, Kei S. Takahashi, Yusuke Kozuka, Yoshinori Tokura, Masashi Kawasaki Anomalous enhancement of upper critical field in Sr2RuO4 thin films Physical Review B 99 16 https://doi.org/10.1103/physrevb.99.161111 2024-03-29 05:32:02 +0900 Paper 2019 3 H. Hou, Y. Kozuka, Jun-Wei Liao, L. W. Smith, D. Kos, J. P. Griffiths, J. Falson, A. Tsukazaki, M. Kawasaki, C. J. B. Ford Quantized conductance of one-dimensional strongly correlated electrons in an oxide heterostructure Physical Review B 99 12 https://doi.org/10.1103/physrevb.99.121302 2024-03-29 05:32:02 +0900 Paper 2019 4 N. Kanazawa, J. S. White, H. M. Rønnow, C. D. Dewhurst, D. Morikawa, K. Shibata, T. Arima, F. Kagawa, A. Tsukazaki, Y. Kozuka, M. Ichikawa, M. Kawasaki, Y. Tokura Erratum: Topological spin-hedgehog crystals of a chiral magnet as engineered with magnetic anisotropy (Physical Review B (2017) (96) (220414) DOI: 10.1103/PhysRevB.96.220414) Physical Review B 99 8 https://doi.org/10.1103/physrevb.99.089902 2024-03-29 05:32:02 +0900 Paper 2018 1 Yusuke Kozuka, Atsushi Sakaguchi, Joseph Falson, Atsushi Tsukazaki, Masashi Kawasaki Andreev Reflection at the Interface with an Oxide in the Quantum Hall Regime Journal of the Physical Society of Japan 87 12 124712 https://doi.org/10.7566/jpsj.87.124712 2024-03-29 05:32:02 +0900 Paper 2018 2 D. Maryenko, A. McCollam, J. Falson, Y. Kozuka, J. Bruin, U. Zeitler, M. Kawasaki Composite fermion liquid to Wigner solid transition in the lowest Landau level of zinc oxide Nature Communications 9 1 https://doi.org/10.1038/s41467-018-06834-6 2024-03-29 05:32:02 +0900 Paper 2018 3 Yuki Ohuchi, Jobu Matsuno, Naoki Ogawa, Yusuke Kozuka, Masaki Uchida, Yoshinori Tokura, Masashi Kawasaki Electric-field control of anomalous and topological Hall effects in oxide bilayer thin films Nature Communications 9 1 https://doi.org/10.1038/s41467-017-02629-3 2024-03-29 05:32:02 +0900 Paper 2018 4 Xiayu Linpeng, Maria L.K. Viitaniemi, Aswin Vishnuradhan, Y. Kozuka, Cameron Johnson, M. Kawasaki, Kai-Mei C. Fu "Coherence Properties of Shallow Donor Qubits in ZnO" Physical Review Applied 10 6 https://doi.org/10.1103/physrevapplied.10.064061 2024-03-29 05:32:02 +0900 Paper 2018 5 Yusuke Nakazawa, Masaki Uchida, Shinichi Nishihaya, Markus Kriener, Yusuke Kozuka, Yasujiro Taguchi, Masashi Kawasaki Structural characterisation of high-mobility Cd3As2 films crystallised on SrTiO3 Scientific Reports 8 1 https://doi.org/10.1038/s41598-018-20758-7 2024-03-29 05:32:02 +0900 Paper 2018 6 Minoru Kawamura, Masataka Mogi, Ryutaro Yoshimi, Atsushi Tsukazaki, Yusuke Kozuka, Kei S. Takahashi, Masashi Kawasaki, Yoshinori Tokura Topological quantum phase transition in magnetic topological insulator upon magnetization rotation Physical Review B 98 14 https://doi.org/10.1103/physrevb.98.140404 2024-03-29 05:32:02 +0900 Paper 2018 7 Ryutaro Nishino, Yusuke Kozuka, Fumitaka Kagawa, Masaki Uchida, Masashi Kawasaki Ferroelectric field control of charge density in oxide films with polarization reversal by electric double layer Applied Physics Letters 113 14 143501 https://doi.org/10.1063/1.5047558 2024-03-29 05:32:02 +0900 Paper 2018 8 Joseph Falson, Daniela Tabrea, Ding Zhang, Inti Sodemann, Yusuke Kozuka, Atsushi Tsukazaki, Masashi Kawasaki, Klaus von Klitzing, Jurgen H. Smet A cascade of phase transitions in an orbitally mixed half-filled Landau level Science Advances 4 9 eaat8742 https://doi.org/10.1126/sciadv.aat8742 2024-03-29 05:32:02 +0900 Paper 2018 9 S. Nishihaya, M. Uchida, Y. Nakazawa, K. Akiba, M. Kriener, Y. Kozuka, A. Miyake, Y. Taguchi, M. Tokunaga, M. Kawasaki "Negative magnetoresistance suppressed through a topological phase transition in (Cd1−xZnx)3As2 thin films" Physical Review B 97 24 https://doi.org/10.1103/physrevb.97.245103 2024-03-29 05:32:02 +0900 Paper 2018 10 Shinichi Nishihaya, Masaki Uchida, Yusuke Nakazawa, Markus Kriener, Yusuke Kozuka, Yasujiro Taguchi, Masashi Kawasaki Gate-tuned quantum Hall states in Dirac semimetal (Cd 1− x Zn x ) 3 As 2 Science Advances 4 5 eaar5668 https://doi.org/10.1126/sciadv.aar5668 2024-03-29 05:32:02 +0900 Paper 2018 11 Ryutaro Nishino, Yusuke Kozuka, Masaki Uchida, Fumitaka Kagawa, Masashi Kawasaki Electrical conduction on the surface of ferroelectric PbTiO3 thin film induced by electrolyte gating Applied Physics Letters 112 5 051602 https://doi.org/10.1063/1.5010391 2024-03-29 05:32:02 +0900 Paper 2018 12 T. C. Fujita, Y. Kozuka, J. Matsuno, M. Uchida, A. Tsukazaki, T. Arima, M. Kawasaki "All-in-all-out magnetic domain inversion in Tb2Ir2O7 with molecular fields antiparallel to external fields" Physical Review Materials 2 1 https://doi.org/10.1103/physrevmaterials.2.011402 2024-03-29 05:32:02 +0900 Paper 2017 1 Masaki Uchida, Yusuke Nakazawa, Shinichi Nishihaya, Kazuto Akiba, Markus Kriener, Yusuke Kozuka, Atsushi Miyake, Yasujiro Taguchi, Masashi Tokunaga, Naoto Nagaosa, Yoshinori Tokura, Masashi Kawasaki Quantum Hall states observed in thin films of Dirac semimetal Cd3As2 Nature Communications 8 1 https://doi.org/10.1038/s41467-017-02423-1 2024-03-29 05:32:02 +0900 Paper 2017 2 D. Maryenko, A. S. Mishchenko, M. S. Bahramy, A. Ernst, J. Falson, Y. Kozuka, A. Tsukazaki, N. Nagaosa, M. Kawasaki Observation of anomalous Hall effect in a non-magnetic two-dimensional electron system Nature Communications 8 1 https://doi.org/10.1038/ncomms14777 2024-03-29 05:32:02 +0900 Paper 2017 3 Y. Kozuka, T. C. Fujita, M. Uchida, T. Nojima, A. Tsukazaki, J. Matsuno, T. Arima, M. Kawasaki Visualizing ferroic domains in an all-in-all-out antiferromagnet thin film Physical Review B 96 22 https://doi.org/10.1103/physrevb.96.224417 2024-03-29 05:32:02 +0900 Paper 2017 4 N. Kanazawa, J. S. White, H. M. Rønnow, C. D. Dewhurst, D. Morikawa, K. Shibata, T. Arima, F. Kagawa, A. Tsukazaki, Y. Kozuka, M. Ichikawa, M. Kawasaki, Y. Tokura Topological spin-hedgehog crystals of a chiral magnet as engineered with magnetic anisotropy Physical Review B 96 22 https://doi.org/10.1103/physrevb.96.220414 2024-03-29 05:32:02 +0900 Paper 2017 5 Q. Shi, J. Falson, M. A. Zudov, Y. Kozuka, A. Tsukazaki, M. Kawasaki, J. Smet Nonlinear response of a MgZnO/ZnO heterostructure close to zero bias Physical Review B 96 12 https://doi.org/10.1103/physrevb.96.125401 2024-03-29 05:32:02 +0900 Paper 2017 6 M. Mogi, M. Kawamura, R. Yoshimi, A. Tsukazaki, Y. Kozuka, N. Shirakawa, K. S. Takahashi, M. Kawasaki, Y. Tokura A magnetic heterostructure of topological insulators as a candidate for an axion insulator Nature Materials 16 5 516 521 https://doi.org/10.1038/nmat4855 2024-03-29 05:32:02 +0900 Paper 2017 7 Aswin Vishnuradhan, Y. Kozuka, M. Uchida, J. Falson, A. Tsukazaki, M. Kawasaki Alloy disorder modulated electron transport at MgxZn1-xO/ ZnO heterointerface AIP Advances 7 1 015029 https://doi.org/10.1063/1.4974462 2024-03-29 05:32:02 +0900 Paper 2017 8 Q. Shi, M. A. Zudov, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki, K. von Klitzing, J. Smet Hall field-induced resistance oscillations in MgZnO/ZnO heterostructures Physical Review B 95 4 https://doi.org/10.1103/physrevb.95.041411 2024-03-29 05:32:02 +0900 Paper 2016 1 Joseph Falson, Yusuke Kozuka, Masaki Uchida, Jurgen H. Smet, Taka-hisa Arima, Atsushi Tsukazaki, Masashi Kawasaki MgZnO/ZnO heterostructures with electron mobility exceeding 1 × 10 6 cm 2 /Vs Scientific Reports 6 1 https://doi.org/10.1038/srep26598 2024-03-29 05:32:02 +0900 Paper 2016 2 Y. Matsubara, K. S. Takahashi, M. S. Bahramy, Y. Kozuka, D. Maryenko, J. Falson, A. Tsukazaki, Y. Tokura, M. Kawasaki Observation of the quantum Hall effect in δ-doped SrTiO3 Nature Communications 7 1 https://doi.org/10.1038/ncomms11631 2024-03-29 05:32:02 +0900 Paper 2016 3 N. Kanazawa, J. S. White, H. M. Rønnow, C. D. Dewhurst, Y. Fujishiro, A. Tsukazaki, Y. Kozuka, M. Kawasaki, M. Ichikawa, F. Kagawa, Y. Tokura Direct observation of anisotropic magnetic field response of the spin helix in FeGe thin films Physical Review B 94 18 https://doi.org/10.1103/physrevb.94.184432 2024-03-29 05:32:02 +0900 Paper 2016 4 Shinichi Nishihaya, Masaki Uchida, Yusuke Kozuka, Yoshihiro Iwasa, Masashi Kawasaki, S. Nishihaya, M. Uchida, Y. Kozuka, Y. Iwasa, M. Kawasaki, Y. Iwasa, M. Kawasaki Evolution of Insulator-Metal Phase Transitions in Epitaxial Tungsten Oxide Films during Electrolyte-Gating ACS Applied Materials & Interfaces 8 34 22330 22336 https://doi.org/10.1021/acsami.6b06593 2024-03-29 05:32:02 +0900 Paper 2016 5 Masaki Uchida, Kenta Ohba, Yuki Ohuchi, Yusuke Kozuka, Masashi Kawasaki Epitaxially Stabilized Oxide Composed of Twisted Triangular-Lattice Layers Chemistry of Materials 28 4 1165 1169 https://doi.org/10.1021/acs.chemmater.5b04702 2024-03-29 05:32:02 +0900 Paper 2016 6 T. C. Fujita, M. Uchida, Y. Kozuka, W. Sano, A. Tsukazaki, T. Arima, M. Kawasaki All-in-all-out magnetic domain wall conduction in a pyrochlore iridate heterointerface Physical Review B 93 6 https://doi.org/10.1103/physrevb.93.064419 2024-03-29 05:32:02 +0900 Paper 2016 7 T. C. Fujita, M. Uchida, Y. Kozuka, S. Ogawa, A. Tsukazaki, T. Arima, M. Kawasaki All-in-all-out magnetic domain size in pyrochlore iridate thin films as probed by local magnetotransport Applied Physics Letters 108 2 022402 https://doi.org/10.1063/1.4939742 2024-03-29 05:32:02 +0900 Paper 2016 8 M. Ito, M. Uchida, Y. Kozuka, K. S. Takahashi, M. Kawasaki Effective carrier doping and metallization in LaxSr2-x-yBayIrO4-delta thin films Physical Review B 93 4 https://doi.org/10.1103/physrevb.93.045139 2024-03-29 05:32:02 +0900 Paper 2016 9 D. F. Kärcher, A. V. Shchepetilnikov, Yu. A. Nefyodov, J. Falson, I. A. Dmitriev, Y. Kozuka, D. Maryenko, A. Tsukazaki, S. I. Dorozhkin, I. V. Kukushkin, M. Kawasaki, J. H. Smet Observation of microwave induced resistance and photovoltage oscillations in MgZnO/ZnO heterostructures Physical Review B 93 4 https://doi.org/10.1103/physrevb.93.041410 2024-03-29 05:32:02 +0900 Paper 2015 1 R. Yoshimi, A. Tsukazaki, Y. Kozuka, J. Falson, K.S. Takahashi, J.G. Checkelsky, N. Nagaosa, M. Kawasaki, Y. Tokura Quantum Hall effect on top and bottom surface states of topological insulator (Bi1-xSbx)(2)Te-3 films Nature Communications 6 1 https://doi.org/10.1038/ncomms7627 2024-03-29 05:32:02 +0900 Paper 2015 2 T. C. Fujita, Y. Kozuka, M. Uchida, A. Tsukazaki, T. Arima, M. Kawasaki Odd-parity magnetoresistance in pyrochlore iridate thin films with broken time-reversal symmetry Scientific Reports 5 1 https://doi.org/10.1038/srep09711 2024-03-29 05:32:02 +0900 Paper 2015 3 S. Seki, T. Ideue, M. Kubota, Y. Kozuka, R. Takagi, M. Nakamura, Y. Kaneko, M. Kawasaki, Y. Tokura Thermal Generation of Spin Current in an Antiferromagnet Physical Review Letters 115 26 https://doi.org/10.1103/physrevlett.115.266601 2024-03-29 05:32:02 +0900 Paper 2015 4 T. Murata, Y. Kozuka, M. Uchida, M. Kawasaki Magnetic properties of spin frustrated spinel ZnFe2O4/ZnCr2O4 superlattices Journal of Applied Physics 118 19 193901 https://doi.org/10.1063/1.4935818 2024-03-29 05:32:02 +0900 Paper 2015 5 M. Mogi, R. Yoshimi, A. Tsukazaki, K. Yasuda, Y. Kozuka, K. S. Takahashi, M. Kawasaki, Y. Tokura Magnetic modulation doping in topological insulators toward higher-temperature quantum anomalous Hall effect Applied Physics Letters 107 18 https://doi.org/10.1063/1.4935075 2024-03-29 05:32:02 +0900 Paper 2015 6 D. Maryenko, J. Falson, M. S. Bahramy, I. A. Dmitriev, Y. Kozuka, A. Tsukazaki, M. Kawasaki Spin-Selective Electron Quantum Transport in Nonmagnetic MgZnO/ZnO Heterostructures Physical Review Letters 115 19 https://doi.org/10.1103/physrevlett.115.197601 2024-03-29 05:32:02 +0900 Paper 2015 7 Tomoyuki Yokouchi, Naoya Kanazawa, Atsushi Tsukazaki, Yusuke Kozuka, Akiko Kikkawa, Yasujiro Taguchi, Masashi Kawasaki, Masakazu Ichikawa, Fumitaka Kagawa, Yoshinori Tokura Formation of In-plane Skyrmions in Epitaxial MnSi Thin Films as Revealed by Planar Hall Effect Journal of the Physical Society of Japan 84 10 104708 https://doi.org/10.7566/jpsj.84.104708 2024-03-29 05:32:02 +0900 Paper 2015 8 J. Falson, Y. Kozuka, J. H. Smet, T. Arima, A. Tsukazaki, M. Kawasaki Electron scattering times in ZnO based polar heterostructures Applied Physics Letters 107 8 https://doi.org/10.1063/1.4929381 2024-03-29 05:32:02 +0900 Paper 2015 9 Eishi Majima, Yusuke Kozuka, Masaki Uchida, Masao Nakamura, Masashi Kawasaki Band alignment and photovoltaic effect of epitaxial alpha-PbO thin films Applied Physics Express 8 7 074001 https://doi.org/10.7567/apex.8.074001 2024-03-29 05:32:02 +0900 Paper 2015 10 Y. Ohuchi, Y. Kozuka, M. Uchida, K. Ueno, A. Tsukazaki, M. Kawasaki Topological Hall effect in thin films of the Heisenberg ferromagnet EuO Physical Review B 91 24 https://doi.org/10.1103/physrevb.91.245115 2024-03-29 05:32:02 +0900 Paper 2015 11 M. Uchida, W. Sano, K. S. Takahashi, T. Koretsune, Y. Kozuka, R. Arita, Y. Tokura, M. Kawasaki Field-direction control of the type of charge carriers in nonsymmorphic IrO2 Physical Review B 91 24 https://doi.org/10.1103/physrevb.91.241119 2024-03-29 05:32:02 +0900 Paper 2015 12 J. Falson, D. Maryenko, B. Friess, D. Zhang, Y. Kozuka, A. Tsukazaki, J. H. Smet, M. Kawasaki Even-denominator fractional quantum Hall physics in ZnO Nature Physics 11 4 347 351 https://doi.org/10.1038/nphys3259 2024-03-29 05:32:02 +0900 Paper 2015 13 V. V. Solovyev, A. B. Van'kov, I. V. Kukushkin, J. Falson, D. Zhang, D. Maryenko, Y. Kozuka, A. Tsukazaki, J. H. Smet, M. Kawasaki Optical probing of MgZnO/ZnO heterointerface confinement potential energy levels Applied Physics Letters 106 8 082102 https://doi.org/10.1063/1.4913313 2024-03-29 05:32:02 +0900 Paper 2015 14 Masaki Uchida, Joseph Falson, Yusaburo Segawa, Yusuke Kozuka, Atsushi Tsukazaki, Masashi Kawasaki Calibration and control of in-plane Mg doping distribution in MgxZn1-xO/ZnO heterostructures grown by molecular beam epitaxy Japanese Journal of Applied Physics 54 2 028004 https://doi.org/10.7567/jjap.54.028004 2024-03-29 05:32:02 +0900 Paper 2015 15 V. E. Kozlov, A. B. Van'kov, S. I. Gubarev, I. V. Kukushkin, V. V. Solovyev, J. Falson, D. Maryenko, Y. Kozuka, A. Tsukazaki, M. Kawasaki, J. H. Smet Microwave magnetoplasma resonances of two-dimensional electrons in MgZnO/ZnO heterojunctions Physical Review B 91 8 https://doi.org/10.1103/physrevb.91.085304 2024-03-29 05:32:02 +0900 Paper 2015 16 N. Kanazawa, M. Kubota, A. Tsukazaki, Y. Kozuka, K. S. Takahashi, M. Kawasaki, M. Ichikawa, F. Kagawa, Y. Tokura Discretized topological Hall effect emerging from skyrmions in constricted geometry Physical Review B 91 4 https://doi.org/10.1103/physrevb.91.041122 2024-03-29 05:32:02 +0900 Paper 2014 1 D. Maryenko, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki Polarization-dependent Landau level crossing in a two-dimensional electron system in a MgZnO/ZnO heterostructure Physical Review B 90 24 https://doi.org/10.1103/physrevb.90.245303 2024-03-29 05:32:02 +0900 Paper 2014 2 J. G. Checkelsky, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, Y. Kozuka, J. Falson, M. Kawasaki, Y. Tokura Trajectory of the anomalous Hall effect towards the quantized state in a ferromagnetic topological insulator Nature Physics 10 10 731 736 https://doi.org/10.1038/nphys3053 2024-03-29 05:32:02 +0900 Paper 2014 3 T. Tambo, J. Falson, D. Maryenko, Y. Kozuka, A. Tsukazaki, M. Kawasaki Air-gap gating of MgZnO/ZnO heterostructures Journal of Applied Physics 116 8 084310 https://doi.org/10.1063/1.4894155 2024-03-29 05:32:02 +0900 Paper 2014 4 K. Imasaka, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki Spontaneous polarization driven Mg concentration profile reconstruction in MgZnO/ZnO heterostructures Applied Physics Letters 104 24 242112 https://doi.org/10.1063/1.4884383 2024-03-29 05:32:02 +0900 Paper 2014 5 M. Ito, Y. Matsubara, Y. Kozuka, K. S. Takahashi, F. Kagawa, J. T. Ye, Y. Iwasa, K. Ueno, Y. Tokura, M. Kawasaki Electric double layer transistors with ferroelectric BaTiO3 channels Applied Physics Letters 104 22 https://doi.org/10.1063/1.4881059 2024-03-29 05:32:02 +0900 Paper 2014 6 Y. Kozuka, A. Tsukazaki, M. Kawasaki Challenges and opportunities of ZnO-related single crystalline heterostructures Applied Physics Reviews 1 1 011303 https://doi.org/10.1063/1.4853535 2024-03-29 05:32:02 +0900 Paper 2014 7 Y. Ohuchi, Y. Kozuka, N. Rezaei, M. S. Bahramy, R. Arita, K. Ueno, A. Tsukazaki, M. Kawasaki Photoinduced sign inversion of the anomalous Hall effect in EuO thin films Physical Review B 89 12 https://doi.org/10.1103/physrevb.89.121114 2024-03-29 05:32:02 +0900 Paper 2014 8 M. Brasse, S. M. Sauther, J. Falson, Y. Kozuka, A. Tsukazaki, Ch. Heyn, M. A. Wilde, M. Kawasaki, D. Grundler Enhanced quantum oscillatory magnetization and nonequilibrium currents in an interacting two-dimensional electron system in MgZnO/ZnO with repulsive scatterers Physical Review B 89 7 https://doi.org/10.1103/physrevb.89.075307 2024-03-29 05:32:02 +0900 Paper 2014 9 T. Yokouchi, N. Kanazawa, A. Tsukazaki, Y. Kozuka, M. Kawasaki, M. Ichikawa, F. Kagawa, Y. Tokura Stability of two-dimensional skyrmions in thin films of Mn1-xFexSi investigated by the topological Hall effect Physical Review B 89 6 https://doi.org/10.1103/physrevb.89.064416 2024-03-29 05:32:02 +0900 Paper 2013 1 V. E. Kozlov, A. B. Van’kov, S. I. Gubarev, I. V. Kukushkin, J. Falson, D. Maryenko, Y. Kozuka, A. Tsukazaki, M. Kawasaki, J. H. Smet Observation of plasma and magnetoplasma resonances of two-dimensional electrons in a single MgZnO/ZnO heterojunction JETP Letters 98 4 223 226 https://doi.org/10.1134/s0021364013170074 2024-03-29 05:32:02 +0900 Paper 2013 2 T. C. Fujita, Y. Kozuka, H. Seki, M. Kawasaki Charge-spin-coupled electrical transport properties in EuMoO3/SrTiO3 superlattices Physical Review B 87 20 https://doi.org/10.1103/physrevb.87.205402 2024-03-29 05:32:02 +0900 Paper 2013 3 Y. Kozuka, S. Teraoka, J. Falson, A. Oiwa, A. Tsukazaki, S. Tarucha, M. Kawasaki Rashba spin-orbit interaction in a MgxZn1-xO/ZnO two-dimensional electron gas studied by electrically detected electron spin resonance Physical Review B 87 20 https://doi.org/10.1103/physrevb.87.205411 2024-03-29 05:32:02 +0900 Paper 2012 1 Y. Kasahara, Y. Oshima, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki, Y. Iwasa Correlation-Enhanced Effective Mass of Two-Dimensional Electrons in MgxZn1-xO/ZnO Heterostructures Physical Review Letters 109 24 https://doi.org/10.1103/physrevlett.109.246401 2024-03-29 05:32:02 +0900 Paper 2012 2 Yusuke Kozuka, Hidenobu Seki, Takahiro C. Fujita, Suvankar Chakraverty, Kohei Yoshimatsu, Hiroshi Kumigashira, Masaharu Oshima, Mohammad S. Bahramy, Ryotaro Arita, Masashi Kawasaki Epitaxially Stabilized EuMoO3: A New Itinerant Ferromagnet Chemistry of Materials 24 19 3746 3750 https://doi.org/10.1021/cm302231k 2024-03-29 05:32:02 +0900 Paper 2012 3 Y. Kozuka, J. Falson, Y. Segawa, T. Makino, A. Tsukazaki, M. Kawasaki Precise calibration of Mg concentration in MgxZn1-xO thin films grown on ZnO substrates Journal of Applied Physics 112 4 043515 https://doi.org/10.1063/1.4748306 2024-03-29 05:32:02 +0900 Paper 2012 4 M. Kim, Y. Kozuka, C. Bell, Y. Hikita, H. Y. Hwang Intrinsic spin-orbit coupling in superconducting delta-doped SrTiO3 heterostructures Physical Review B 86 8 https://doi.org/10.1103/physrevb.86.085121 2024-03-29 05:32:02 +0900 Paper 2012 5 T. Makino, F. Liu, T. Yamasaki, Y. Kozuka, K. Ueno, A. Tsukazaki, T. Fukumura, Y. Kong, M. Kawasaki Ultrafast optical control of magnetization in EuO thin films Physical Review B 86 6 https://doi.org/10.1103/physrevb.86.064403 2024-03-29 05:32:02 +0900 Paper 2012 6 D. Maryenko, J. Falson, Y. Kozuka, A. Tsukazaki, M. Onoda, H. Aoki, M. Kawasaki Temperature-Dependent Magnetotransport around nu=1/2 in ZnO Heterostructures Physical Review Letters 108 18 https://doi.org/10.1103/physrevlett.108.186803 2024-03-29 05:32:02 +0900 Paper 2012 7 Y. Kozuka, A. Tsukazaki, D. Maryenko, J. Falson, C. Bell, M. Kim, Y. Hikita, H. Y. Hwang, M. Kawasaki Single-valley quantum Hall ferromagnet in a dilute MgxZn1-xO/ZnO strongly correlated two-dimensional electron system Physical Review B 85 7 https://doi.org/10.1103/physrevb.85.075302 2024-03-29 05:32:02 +0900 Paper 2012 8 Yuya Matsubara, Takayuki Makino, Hiroki Hiraga, Chunlin Chen, Susumu Tsukimoto, Kazunori Ueno, Yusuke Kozuka, Yuichi Ikuhara, Masashi Kawasaki High Crystallinity CuScO(2) Delafossite Films Exhibiting Ultraviolet Photoluminescence Grown by Vapor-Liquid-Solid Tri-phase Epitaxy Applied Physics Express 5 1 011201 https://doi.org/10.1143/apex.5.011201 2024-03-29 05:32:02 +0900 Paper 2011 1 S. Chakraverty, K. Yoshimatsu, Y. Kozuka, H. Kumigashira, M. Oshima, T. Makino, A. Ohtomo, M. Kawasaki Magnetic and electronic properties of ordered double-perovskite La(2)VMnO(6) thin films Physical Review B 84 13 https://doi.org/10.1103/physrevb.84.132411 2024-03-29 05:32:02 +0900 Paper 2011 2 Joseph Falson, Denis Maryenko, Yusuke Kozuka, Atsushi Tsukazaki, Masashi Kawasaki Magnesium Doping Controlled Density and Mobility of Two-Dimensional Electron Gas in Mg(x)Zn(1-x)O/ZnO Heterostructures Applied Physics Express 4 9 091101 https://doi.org/10.1143/apex.4.091101 2024-03-29 05:32:02 +0900 Paper 2011 3 Y. Ishida, H. Kanto, A. Kikkawa, Y. Taguchi, Y. Ito, Y. Ota, K. Okazaki, W. Malaeb, M. Mulazzi, M. Okawa, S. Watanabe, C.-T. Chen, M. Kim, C. Bell, Y. Kozuka, H. Y. Hwang, Y. Tokura, S. Shin Common Origin of the Circular-Dichroism Pattern in Angle-Resolved Photoemission Spectroscopy of SrTiO(3) and Cu(x)Bi(2)Se(3) Physical Review Letters 107 7 https://doi.org/10.1103/physrevlett.107.077601 2024-03-29 05:32:02 +0900 Paper 2011 4 M. Kim, C. Bell, Y. Kozuka, M. Kurita, Y. Hikita, H. Y. Hwang Fermi Surface and Superconductivity in Low-Density High-Mobility delta-Doped SrTiO(3) Physical Review Letters 107 10 https://doi.org/10.1103/physrevlett.107.106801 2024-03-29 05:32:02 +0900 Paper 2011 5 Y. Kozuka, A. Tsukazaki, D. Maryenko, J. Falson, S. Akasaka, K. Nakahara, S. Nakamura, S. Awaji, K. Ueno, M. Kawasaki Insulating phase of a two-dimensional electron gas in Mg(x)Zn(1-x)O/ZnO heterostructures below v=1/3 Physical Review B 84 3 https://doi.org/10.1103/physrevb.84.033304 2024-03-29 05:32:02 +0900 Paper 2010 1 Y. Kozuka, M. Kim, H. Ohta, Y. Hikita, C. Bell, H. Y. Hwang Enhancing the electron mobility via delta-doping in SrTiO3 Applied Physics Letters 97 22 222115 https://doi.org/10.1063/1.3524198 2024-03-29 05:32:02 +0900 Paper 2010 2 Y. Kozuka, Y. Hikita, C. Bell, H. Y. Hwang Dramatic mobility enhancements in doped SrTiO3 thin films by defect management Applied Physics Letters 97 1 https://doi.org/10.1063/1.3457994 2024-03-29 05:32:02 +0900 Paper 2009 1 Y. Kozuka, M. Kim, C. Bell, B. G. Kim, Y. Hikita, H. Y. Hwang Two-dimensional normal-state quantum oscillations in a superconducting heterostructure Nature 462 7272 487 490 https://doi.org/10.1038/nature08566 2024-03-29 05:32:02 +0900 Paper 2009 2 C. Bell, S. Harashima, Y. Kozuka, M. Kim, B. G. Kim, Y. Hikita, H. Y. Hwang Dominant Mobility Modulation by the Electric Field Effect at the LaAlO3/SrTiO3 Interface Physical Review Letters 103 22 https://doi.org/10.1103/physrevlett.103.226802 2024-03-29 05:32:02 +0900 Paper 2008 1 Y. Kozuka, T. Susaki, H. Y. Hwang Vanishing hall coefficient in the extreme quantum limit in photocarrier-doped SrTiO3 Physical Review Letters 101 9 https://doi.org/10.1103/physrevlett.101.096601 2024-03-29 05:32:02 +0900 Paper 2007 1 T. Susaki, Y. Kozuka, Y. Tateyama, H. Y. Hwang Temperature-dependent polarity reversal in Au/Nb : SrTiO3 Schottky junctions Physical Review B 76 15 https://doi.org/10.1103/physrevb.76.155110 2024-03-29 05:32:02 +0900 Paper 2007 2 Y. Kozuka, Y. Hikita, T. Susaki, H. Y. Hwang Optically tuned dimensionality crossover in photocarrier-doped SrTiO3: Onset of weak localization Physical Review B 76 8 https://doi.org/10.1103/physrevb.76.085129 2024-03-29 05:32:02 +0900 Paper 2007 3 Y. Hikita, Y. Kozuka, T. Susaki, H. Takagi, H. Y. Hwang Characterization of the Schottky barrier in SrRuO3/Nb : SrTiO3 junctions Applied Physics Letters 90 14 143507 https://doi.org/10.1063/1.2719157 2024-03-29 05:32:02 +0900 Paper 2006 1 Y. Kozuka, T. Susaki, H. Y. Hwang Rectifying NdNiO3/Nb : SrTiO3 junctions as a probe of the surface electronic structure of NdNiO3 Applied Physics Letters 88 14 142111 https://doi.org/10.1063/1.2193800 2024-03-29 05:32:02 +0900