Add-Drop Microring Resonator Switch With Positive/Negative Phase Tuning Using InGaAsP/Si Hybrid MOS Phase Shifter Yosuke Wakita, Rui Tang, Hanzhi Tang, Shuhei Ohno, Tomohiro Akazawa, Yuto Miyatake, Stephane Monfray, Frederic Boeuf, Kasidit Toprasertpong, Shinichi Takagi, Mitsuru Takenaka Journal of Lightwave Technology ( Volume: 42, Issue: 12, 15 June 2024)
Microscopic study of the impurity effect in the kagome superconductor La(Ru1−xFex)3Si2 C. Mielke, III, D. Das, J. Spring, H. Nakamura, S. Shin, H. Liu, V. Sazgari, S. Jöhr, J. Lyu, J. N. Graham, T. Shiroka, M. Medarde, M. Z. Hasan, S. Nakatsuji, R. Khasanov, D. J. Gawryluk, H. Luetkens, and Z. Guguchia Phys. Rev. B 109, 134501(2024)
2023
Observation of Omnidirectional Exchange Bias at All Antiferromagnetic Polycrystalline Heterointerface Mihiro Asakura, Tomoya Higo, Takumi Matsuo, Ryota Uesugi, Daisuke Nishio-Hamane, Satoru Nakatsuji Advanced MaterialsVolume 36, Issue 27(2024)
Fabrication of single-crystalline YFeO3 films with large antiferromagnetic domains C. Wang, M. Lippmaa, S. Nakatsuji J. Appl. Phys. 135, 113901 (2024)
Anisotropic anomalous transport in the kagome-based topological antiferromagnetic Mn3Ga epitaxial thin films M. Raju, Ralph Romero, III, Daisuke Nishio-Hamane, Ryota Uesugi, Mihiro Asakura, Zhenisbek Tagay, Tomoya Higo, N. P. Armitage, Collin Broholm, and Satoru Nakatsuji Phys. Rev. Materials 8, 014204(2024)
Giant anomalous Nernst effect in polycrystalline thin films of the Weyl ferromagnet Co2MnGa R. Uesugi, T. Higo, and S. Nakatsuji Appl. Phys. Lett. 123, 252401 (2023)
Influence of alkali-fluoride insertion layers on the perpendicular magnetic anisotropy at the Fe/MgO interface J. Chen, S. Sakamoto, and S. Miwa Phys. Rev. B 109, 064413(2024)
High-throughput calculations of antiferromagnets hosting anomalous transport phenomena Takuya Nomoto, Susumu Minami, Yuki Yanagi, Michi-To Suzuki, Takashi Koretsune, and Ryotaro Arita Phys. Rev. B 109, 094435(2024)
X-ray Magnetic Circular Dichroism Arising from the Magnetic Dipole Moment in Antiferromagnets Kensuke Kurita and Takashi Koretsune J. Phys. Soc. Jpn. 93, 024705 (2024)
Extremely large magnetoresistance and anisotropic transport in the multipolar Kondo system PrTi2Al20 Takachika Isomae, Akito Sakai, Mingxuan Fu, Takanori Taniguchi, Masashi Takigawa, and Satoru Nakatsuji Phys. Rev. Research 6, 013009(2024)
Ultrafast stroboscopic time-resolved magneto-optical imaging of domain wall motion in Pt/GdFeCo wires induced by a current pulse Kazuma Ogawa, Naotaka Yoshikawa, Mio Ishibashi, Kay Yakushiji, Arata Tsukamoto, Masamitsu Hayashi, and Ryo Shimano, Phys. Rev. Research 5, 033151(2023)
Magnetic octupole domain evolution and domain-wall structure in the noncollinear Weyl antiferromagnet Mn3Ge Mingxing Wu, Kouta Kondou, Yoshinobu Nakatani, Taishi Chen, Hironari Isshiki, Tomoya Higo, Satoru Nakatsuji, Yoshichika Otani APL Mater. 11, 081115 (2023)
Local density of states as a probe for tunneling magnetoresistance effect: application to ferrimagnetic tunnel junctions Katsuhiro Tanaka, Takuya Nomoto, Ryotaro Arita Phys. Rev. B 107, 214442(2023)
Roll-to-Roll Printing of Anomalous Nernst Thermopile for Direct Sensing of Perpendicular Heat Flux H. Tanaka, T. Higo, R. Uesugi, K. Yamagata, Y. Nakanishi, H. Machinaga, and S. Nakatsuji Advanced MaterialsVolume 35, Issue 38(2023)
Ultrafast dynamics of Intrinsic anomalous Hall effect in the noncollinear antiferromagnet Mn3Sn Takuya Matsuda, Tomoya Higo, Takashi Koretsune, Natsuki Kanda, Yoshua Hirai, Hanyi Peng, Takumi Matsuo, Naotaka Yoshikawa, Ryo Shimano, Satoru Nakatsuji, Ryusuke Matsunaga arXiv:2206.06627
Magnetic anisotropy of the Fe/MgO interfaces inserted with alkali halide layers J. Chen, S. Sakamoto, H. Kosaki, and S. Miwa Phys. Rev. B 107, 094420 (2023)
Lattice dielectric properties of rutile TiO2: First-principles anharmonic self-consistent phonon study T. Amano, T. Yamazaki, R. Akashi, T. Tadano and S. Tsuneyuki Phys. Rev. B 107, 094305 (2023)
High-resolution magnetic imaging by mapping the locally induced anomalous Nernst effect using atomic force microscopy N. Budai, H. Isshiki, R. Uesugi, Z. Zhu, T. Higo, S. Nakatsuji, and Y. Otani Appl. Phys. Lett. 122, 102401 (2023)
Observation of a critical charge mode in a strange metal Hisao Kobayashi, Yui Sakaguchi, Hayato Kitagawa, Momoko Oura, Shugo Ikeda, Kentaro Kuga, Shintaro Suzuki, Satoru Nakatsuji, Ryo Masuda, Yasuhiro Kobayashi, Makoto Seto, Yoshitaka Yoda, Kenji Tamasaku, Yashar Komijani, Premala Chandra, and Piers Coleman Science 379, 908–912 (2023)
Reversal of current-induced domain wall motion in TbFeCo ferrimagnetic thin films across the magnetization compensation point Mio Ishibashi, Kay Yakushiji, Masashi Kawaguchi, Arata Tsukamoto, Satoru Nakatsuji and Masamitsu Hayashi Jpn. J. Appl. Phys. 62 013001(2023)
Efficient optical phase modulator based on III–V metal-oxidesemiconductor structure with doped graphene transparent electrode Tipat Piyapatarakul, Hanzhi Tang, Kasidit Toprasertpong, Shinichi TAKAGI and Mitsuru TAKENAKA Jpn. J. Appl. Phys.62 SC1008 (2022)
Spin–orbital liquid state and liquid–gas metamagnetic transition on a pyrochlore lattice Nan Tang, Yulia Gritsenko, Kenta Kimura, Subhro Bhattacharjee, Akito Sakai, Mingxuan Fu, Hikaru Takeda, Huiyuan Man, Kento Sugawara, Yosuke Matsumoto, Yasuyuki Shimura, Jiajia Wen, Collin Broholm, Hiroshi Sawa, Masashi Takigawa, Toshiro Sakakibara, Sergei Zherlitsyn, Joachim Wosnitza, Roderich Moessner, Satoru Nakatsuji Nature Physics volume 19, pages92–98 (2023)
Electrical detection and current control of all-optical magnetization switching in GdFeCo ferrimagnetic alloy thin film Yuichi Kasatani, Hiroki Yoshikawa, Arata Tsukamoto Jpn. J. Appl. Phys.62 SB1014（2022）
Origin of enhanced interfacial perpendicular magnetic anisotropy in LiF-inserted Fe/MgO interface S. Sakamoto, T. Nozaki, S. Yuasa, K. Amemiya, and S. Miwa Phys. Rev. B 106, 174410（2022）
Giant and Robust Anomalous Nernst Effect in a Polycrystalline Topological Ferromagnet at Room Temperature Z. Feng, S. Minami, S. Akamatsu, A. Sakai, T. Chen, D. Nishio-Hamane, S. Nakatsuji Advanced Functional MaterialsVolume 32, Issue 49c (2022)
Determination of spin Hall angle in the Weyl ferromagnet Hironari Isshiki, Zheng Zhu, Hayato Mizuno, Ryota Uesugi, Tomoya Higo, Satoru Nakatsuji, and YoshiChika Otani Phys. Rev. Materials 6, 084411 (2022)
Piezomagnetic switching of anomalous Hall effect in an antiferromagnet at room temperature M. Ikhlas, S. Dasgupta, F. Theuss, T. Higo, Shunichiro Kittaka, B. J. Ramshaw, O. Tchernyshyov, C. W. Hicks, S. Nakatsuji Nature Physics 18, 1086–1093 (2022)
Bond ordering and molecular spin-orbital fluctuations in the cluster Mott insulator GaTa4Se8 Tsung-Han Yang, S. Kawamoto, Tomoya Higo, SuYin Grass Wang, M. B. Stone, Joerg Neuefeind, Jacob P. C. Ruff, A. M. Milinda Abeykoon, Yu-Sheng Chen, S. Nakatsuji, and K. W. Plumb Phys. Rev. Research 4, 033123 (2022)
Perpendicular full switching of chiral antiferromagnetic order by current Tomoya Higo, Kouta Kondou, Takuya Nomoto, Masanobu Shiga, Shoya Sakamoto, Xianzhe Chen, Daisuke Nishio-Hamane, Ryotaro Arita, Yoshichika Otani, Shinji Miwa & Satoru Nakatsuji Nature 607, 474–479 (2022)
Anomalous Hall effect in nanoscale structures of the antiferromagnetic Weyl semimetal Mn3Sn at room temperature Takumi Matsuo, Tomoya Higo, Daisuke Nishio-Hamane, Satoru Nakatsuji Applied Physics Letters 121, 013103 (2022)
Monolithic integration of electro-absorption modulators and photodetectors on III-V CMOS photonics platform using quantum well intermixing Naoki Sekine, Kei Sumita, Kasidit Toprasertpong, Shinichi Takagi, and Mitsuru Takenaka Opt. Express 30, 23318-23329 (2022)
Strong Magneto-Elastic Coupling in Mn3X (X = Ge, Sn) F. Theuss, S. Ghosh, T. Chen, O. Tchernyshyov, S. Nakatsuji, B. J. Ramshaw Phys. Rev. B 105, 174430 (2022)
Missing quantum number of Floquet states Cristian M. Le, Ryosuke Akashi, and Shinji Tsuneyuki Phys. Rev. A 105, 052213 (2022)
Magnetic field tuning of the valley population in the Weyl phase of Nd2Ir2O7 I. Kapon, C.W. Rischau, B. Michon, K. Wang, B. Xu, Q. Yang, S. Nakatsuji, D. Marel Phys. Rev. Research 4, 023056 (2022)
Anisotropy-driven quantum criticality in an intermediate valence system M. Grbic, E. O’Farrell, Y. Matsumoto, K. Kuga, M. Brando, R. Kuchler, A. Nevidomskyy, M. Yoshida, T. Sakakibara, Y. Kono, Y. Shimura, M. Sutherland, M. Takigawa, and S. Nakatsuji Nature Communications volume 13, Article number: 2141 (2022)
Pressure-induced changes of valence fluctuation in β-YbAlB4 probed by x-ray absorption spectroscopy Yui Sakaguchi, Shugo Ikeda, Naomi Kawamura, Masaichiro Mizumaki, Kentaro Kuga, Shintaro Suzuki, Keita Sone, Satoru Nakatsuji, and Hisao Kobayashi Phys. Rev. B 105, 155129 (2022)
Electron correlation enhances orbital polarization at a ferromagnetic metal/insulator interface: depth-resolved X-ray magnetic circular dichroism and first-principles study S. Sakamoto, M. Tsujikawa, M. Shirai, K. Amemiya, and S. Miwac ACS Appl. Electron. Mater. 2022, 4, 4, 1794–1799 (2022)
Wannier-based implementation of the coherent potential approximation with applications to Fe-based transition metal alloys Naohiro Ito, Takuya Nomoto, Koji Kobayashi, Sergiy Mankovsky, Kentaro Nomura, Ryotaro Arita, Hubert Ebert, and Takashi Koretsune Phys. Rev. B 105, 125136 (2022)
Numerical analysis of optical phase modulator operating at 2 μm wavelength using graphene/III V hybrid metal oxide semiconductor capacitor Tipat Piyapatarakul, Hanzhi Tang, Kasidit Toprasertpong, Shinichi Takagi, and Mitsuru Takenaka Jpn. J. Appl. Phys.61 SC1031 (2022)
Large anomalous Nernst effect and nodal plane in an iron-based kagome ferromagnet Taishi Chen, Susumu Minami, Akito Sakai, Yangming Wang, Zili Feng, Takuya Nomoto, Motoaki Hirayama, Reiko Ishii, Takashi Koretsune, Ryotaro Arita, and Satoru Nakatsuji Science Advances Vol 8, Issue 2 DOI: 10.1126/sciadv.abk1480 (2022)
Ferrimagnetic compensation and its thickness dependence in TbFeCo alloy thin films Mio Ishibashi, Kay Yakushiji, Masashi Kawaguchi, Arata Tsukamoto, Satoru Nakatsuji, and Masamitsu Hayashi Applied Physics Letter. 120, 022405 (2022)
Low-loss Ge waveguide at the 2-μm band on an n-type Ge-on-insulator wafer Ziqiang Zhao, Cheol-Min Lim, Chongpei Ho, Kei Sumita, Yuto Miyatake, Kasidit Toprasertpong, Shinichi Takagi, and Mitsuru Takenaka Optical Materials Express Vol. 11, Issue 12, pp. 4097-4106 (2021)
Giant field-like torque by the out-of-plane magnetic spin Hall effect in a topological antiferromagnet Kouta Kondou, Hua Chen, Takahiro Tomita, Muhammad Ikhlas, Tomoya Higo, Allan H MacDonald, Satoru Nakatsuji, and YoshiChika Otani Nature Communicationsvolume 12, Article number: 6491 (2021)
Skyrmion-size dependence of the topological Hall effect: A real-space calculation Akira Matsui, Takuya Nomoto, and Ryotaro Arita Phys. Rev. B 104, 174432 (2021)
Influence of epitaxial strain on the perpendicular magnetic anisotropy of Fe/MgO systems Masanobu Shiga, Shoya Sakamoto,Takaya Tsujikawa, Ryoya Ando, Kenta Amemiya, and Shinji Miwa Phys. Rev. B 104, L140406 (2021)
Observation of spontaneous x-ray magnetic circular dichroism in a chiral antiferromagnet Shoya Sakamoto, Tomoya Higo, Masanobu Shiga, Kenta Amemiya, Satoru Nakatsuji, and Shinji Miwa Phys. Rev. B 104, 134431 (2021)
Quantum anomalous Hall effect in a three-dimensional topological-insulator–thin-film-ferromagnetic-metal heterostructure Katsuhiro Arimoto, Takashi Koretsune, and Kentaro Nomura Phys. Rev. B 103, 235315 (2021)
Logarithmic criticality in transverse thermoelectric conductivity of the ferromagnetic topological semimetal CoMnSb H. Nakamura, S. Minani, T. Tomita, A.A. Nugroho, S. Nakatsuji Phys. Rev. B 104, L161114 (2021)
Spin–orbit torque switching of the antiferromagnetic state in polycrystalline Mn3Sn/Cu/heavy metal heterostructures H. Tsai, T. Higo, K. Kondou, A. Kobayashi, T. Nakano, K. Yakushiji, S. Miwa, Y. Otani, and S. Nakatsuji AIP Advances 11, 045110 (2021)
Large Hall Signal due to Electrical Switching of an Antiferromagnetic Weyl Semimetal State Hanshen Tsai, Tomoya Higo, Kouta Kondou, Shoya Sakamoto, Ayuko Kobayashi, Takumi Matsuo, Shinji Miwa, Yoshichika Otani, and Satoru Nakatsuji Small Science Volume1, Issue5 May 2021 2000025 (2021)
Giant Effective Damping of Octupole Oscillation in an Antiferromagnetic Weyl Semimetal Shinji Miwa, Satoshi Iihama, Takuya Nomoto, Takahiro Tomita, Tomoya Higo, Muhammad Ikhlas, Shoya Sakamoto, YoshiChika Otani, Shigemi Mizukami, Ryotaro Arita, and Satoru Nakatsuji Small Science Volume1, Issue5 May 2021 2000062 (2021)
Low Gilbert damping in epitaxial thin films of the nodal-line semimetal D03-Fe3Ga Shoya Sakamoto, Tomoya Higo, Shingo Tamaru, Hitoshi Kubota, Kay Yakushiji, Satoru Nakatsuji, and Shinji Miwa Phys. Rev. B 103, 165122 (2021)
2020
Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn3X , X = Sn, Ge. Taishi Chen, Takahiro Tomita, Susumu Minami, Mingxuan Fu, Takashi Koretsune, Motoharu Kitatani, Muhammad Ikhlas, Daisuke Nishio-Hamane, Rieko Ishii, Fumiyuki Ishii, Ryotaro Arita, Satoru Nakatsuji Nature Communications volume 12, Article number: 572 (2021)
Domain structure and domain wall dynamics in topological chiral antiferromagnets from the viewpoint of magnetic octupole Y.C. Otani, T. Higo Appl. Phys. Lett. 118, 040501 (2021)
Omnidirectional Control of Large Electrical Output in a Topological Antiferromagnet Tomoya Higo, Yufan Li, Kouta Kondou, Danru Qu, Muhammad Ikhlas, Ryota Uesugi, Daisuke Nishio-Hamane, C. L. Chien, YoshiChika Otani, and Satoru Nakatsuji Advanced Functional Materials Volume31, Issue15 (2021)
