AH
Ayumi Harasawa
cond-mat.mtrl-scicond-mat.str-elcond-mat.mes-hall2M-WS2ARPEScond-mat.othercond-mat.supr-configure-8 undulatorhigh brilliancehigh energy resolution
On Valency
published · living versionsW_en9zck9r·v1 · currentpublished
Direct observation of a spin-polarized surface Dirac gap in the antiferromagnetic topological insulator NdBi
with Yuto Fukushima, Hiroyuki S. Suzuki, Masayuki Ochi, Takuma Nishida +13
1 version
Preprints & journals
41 papers in the corpus · 1998–2026Direct observation of a spin-polarized surface Dirac gap in the antiferromagnetic topological insulator NdBi.42881155 · Fukushima, Yuto, Suzuki, Hiroyuki S, Ochi, Masayuki et al.2026 · 0 citationsNature communications. 2026;17(1)
Erratum: Robust Weak Topological Insulator in the Bismuth Halide Bi_4Br_2I_2 [Phys. Rev. Lett. 133, 086602 (2024)].39714712 · Noguchi, Ryo, Kobayashi, Masaru, Kawaguchi, Kaishu et al.2024 · 1 citationPhysical review letters. 2024;133(23):239903
Robust Weak Topological Insulator in the Bismuth Halide Bi_4Br_2I_2.39241706 · Noguchi, Ryo, Kobayashi, Masaru, Kawaguchi, Kaishu et al.2024 · 12 citationsPhysical review letters. 2024;133(8):086602
Photoemission angular distribution beyond the single wavevector description of photoelectron final states2311.05953v2 · Hiroaki Tanaka, Shota Okazaki, Yuto Fukushima et al.2023 · 0 citationsPhys. Rev. B 109, L241114 (2024)
Anomalously large spin-dependent electron correlation in nearly half-metallic ferromagnet CoS2310.07274v1 · Hirokazu Fujiwara, Kensei Terashima, Junya Otsuki et al.2023 · 9 citationsPhysical Review B 106, 085114 (2022)
Time-, spin-, and angle-resolved photoemission spectroscopy with a 1-MHz 10.7-eV pulse laser.37540119 · Kawaguchi, Kaishu, Kuroda, Kenta, Zhao, Z et al.2023 · 15 citationsThe Review of scientific instruments. 2023;94(8)
Spin-polarized saddle points in the topological surface states of the elemental Bismuth revealed by a pump-probe spin-resolved ARPES2303.17816v1 · Yuto Fukushima, Kaishu Kawaguchi, Kenta Kuroda et al.2023 · 0 citationsarXiv
Direct Observation of the Topological Surface State in the Topological Superconductor 2M-WS2.36367457 · Cho, Soohyun, Huh, Soonsang, Fang, Yuqiang et al.2022 · 30 citationsNano letters. 2022;22(22):8827-8834
Coexistence of Strong and Weak Topological Orders in a Quasi-One-Dimensional Material.36240409 · Wang, De-Yang, Jiang, Qi, Kuroda, Kenta et al.2022 · 13 citationsPhysical review letters. 2022;129(14):146401
Fluctuated spin-orbital texture of Rashba-split surface states in real and reciprocal space2112.13496v1 · Takuto Nakamura, Yoshiyuki Ohtsubo, Ayumi Harasawa et al.2021 · 2 citationsPhys. Rev. B 105, 235141 (2022)
Selective observation of surface and bulk bands in polar WTe2 by laser-based spin- and angle-resolved photoemission spectroscopy2110.10944v1 · Yuxuan Wan, Lihai Wang, Kenta Kuroda et al.2021 · 5 citationsarXiv
Visualization of optical polarization transfer to photoelectron spin vector emitted from the spin-orbit coupled surface state2105.02749v2 · Kenta Kuroda, Koichiro Yaji, Ryo Noguchi et al.2021 · 3 citationsPhys. Rev. B 105, L121106 (2022)
Evidence for a higher-order topological insulator in a three-dimensional material built from van der Waals stacking of bismuth-halide chains.33398124 · Noguchi, Ryo, Kobayashi, Masaru, Jiang, Zhanzhi et al.2026 · 172 citationsNature materials. 2021;20(4):473-479
Scaling law for the Rashba-type spin splitting in quantum well films2012.11289v1 · Ryo Noguchi, Kenta Kuroda, Mitsuaki Kawamura et al.2020 · 2 citationsarXiv
Observation and control of the weak topological insulator state in ZrTe52012.04989v1 · Peng Zhang, Ryo Noguchi, Kenta Kuroda et al.2020 · 100 citationsNature Communications 12, 406 (2021)
Publisher Correction: A weak topological insulator state in quasi-one-dimensional bismuth iodide.32690939 · Noguchi, Ryo, Takahashi, T, Kuroda, K et al.2020 · 0 citationsNature. 2020;584(7819):E4
Fermi level tuning of one-dimensional giant Rashba system on a semiconductor substrate: Bi/GaSb(110)-(2x1)1909.13438v2 · Takuto Nakamura, Yoshiyuki Ohtsubo, Naoki Tokumasu et al.2019 · 4 citationsPhys. Rev. Materials 3, 126001 (2019)
A weak topological insulator state in quasi-one-dimensional bismuth iodide.30742073 · Noguchi, Ryo, Takahashi, T, Kuroda, K et al.2021 · 174 citationsNature. 2019;566(7745):518-522
Origins of Thermal Spin Depolarization in Half-Metallic Ferromagnet CrO_2.30608774 · Fujiwara, Hirokazu, Terashima, Kensei, Sunagawa, Masanori et al.2019 · 12 citationsPhysical review letters. 2018;121(25):257201
Rashba spin splitting of L-gap surface states on Ag(111) and Cu(111)1807.06224v1 · Koichiro Yaji, Ayumi Harasawa, Kenta Kuroda et al.2018 · 42 citationsPhys. Rev. B 98, 041404(R) (2018)
Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser.30010669 · Kuroda, Kenta, Yaji, Koichiro, Harasawa, Ayumi et al.2018 · 6 citationsJournal of visualized experiments : JoVE. 2018(136)
Giant Rashba splitting of quasi-1D surface states on Bi/InAs(110)-(2$\times$1)1804.07012v3 · T. Nakamura, Y. Ohtsubo, Y. Yamashita et al.2018 · 20 citationsPhys. Rev. B 98, 075431 (2018)
Spin-polarized quasi 1D state with finite bandgap on the Bi/InSb(001) surface1704.05258v2 · J. Kishi, Y. Ohtsubo, T. Nakamura et al.2017 · 3 citationsPhys. Rev. Materials 1, 064602 (2017)
Spin-dependent quantum interference in photoemission process from spin-orbit coupled states.28232721 · Yaji, Koichiro, Kuroda, Kenta, Toyohisa, Sogen et al.2018 · 49 citationsNature communications. 2017;8:14588
Direct Mapping of Spin and Orbital Entangled Wavefunction under Interband Spin-Orbit coupling of Rashba Spin-Split Surface States1701.07269v1 · Ryo Noguchi, Kenta Kuroda, K. Yaji et al.2017 · 41 citationsPhys. Rev. B 95, 041111(R)(2017)
Observation of spin-polarized bands and domain-dependent Fermi arcs in polar Weyl semimetal MoTe1611.02168v2 · M. Sakano, M. S. Bahramy, H. Tsuji et al.2016 · 31 citationsPhys. Rev. B 95, 121101 (2017)
Coherent control over three-dimensional spin polarization for the spin-orbit coupled surface state of BiSe1608.00479v3 · Kenta Kuroda, Koichiro Yaji, M. Nakayama et al.2016 · 40 citationsPhys. Rev. B 94, 165162 (2016)
Nonvortical Rashba Spin Structure on a Surface with C_1h Symmetry.27419582 · Annese, Emilia, Kuzumaki, Takuya, Müller, Beate et al.2018 · 17 citationsPhysical review letters. 2016;117(1):016803
Spin Texture in Type-II Weyl Semimetal WTe21606.00085v2 · Baojie Feng, Yang-Hao Chan, Ya Feng et al.2016 · 116 citationsPhys. Rev. B 94, 195134 (2016)
Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry.25064393 · Suzuki, R, Sakano, M, Zhang, Y J et al.2015 · 476 citationsNature nanotechnology. 2014;9(8):611-7
New soft X-ray beamline BL07LSU at SPring-8.24562556 · Yamamoto, Susumu, Senba, Yasunori, Tanaka, Takashi et al.2014 · 126 citationsJournal of synchrotron radiation. 2014;21(Pt 2):352-65
Valley spin polarization by using the extraordinary Rashba effect on silicon.23811797 · Sakamoto, Kazuyuki, Kim, Tae-Hwan, Kuzumaki, Takuya et al.2013 · 83 citationsNature communications. 2013;4:2073
Electronic structure study of ultrathin Ag(111) films modified by a Si(111) substrate and √3 × √3-Ag2Bi surface.22353647 · Ogawa, M, Sheverdyaeva, P M, Moras, P et al.2012 · 1 citationJournal of physics. Condensed matter : an Institute of Physics journal. 2012;24(11):115501
Development of soft x-ray time-resolved photoemission spectroscopy system with a two-dimensional angle-resolved time-of-flight analyzer at SPring-8 BL07LSU.22380081 · Ogawa, Manami, Yamamoto, Susumu, Kousa, Yuka et al.2012 · 56 citationsThe Review of scientific instruments. 2012;83(2):023109
Enhanced silicon oxidation on titanium-covered Si(001).21709355 · Ohno, S, Shudo, K, Nakayama, F et al.2012 · 6 citationsJournal of physics. Condensed matter : an Institute of Physics journal. 2011;23(30):305001
Direct evidence of spin-split one-dimensional metallic surface state on Si(557)-Au1005.5450v1 · Taichi Okuda, Koji Miyamoto, Yasuo Takeichi et al.2010 · 57 citationsPhys. Rev. B 82, 161410(R) (2010)
Direct spectroscopic evidence of spin-dependent hybridization between Rashba-split surface states and quantum-well states.20482008 · He, Ke, Takeichi, Yasuo, Ogawa, Manami et al.2010 · 25 citationsPhysical review letters. 2010;104(15):156805
Nanoscale chemical imaging by scanning tunneling microscopy assisted by synchrotron radiation.19392124 · Okuda, Taichi, Eguchi, Toyoaki, Akiyama, Kotone et al.2009 · 39 citationsPhysical review letters. 2009;102(10):105503
A new spin-polarized photoemission spectrometer with very high efficiency and energy resolution.19123555 · Okuda, Taichi, Takeichi, Yasuo, Maeda, Yuuki et al.2009 · 109 citationsThe Review of scientific instruments. 2008;79(12):123117
Atomic correlations in itinerant ferromagnets: quasi-particle bands of nickelcond-mat/0204142v1 · J. Buenemann, F. Gebhard, T. Ohm et al.2002 · 35 citationsarXiv
A new compact spin- and angle-resolving photoelectron spectrometer with a high efficiency.15263638 · Qiao, S, Kimura, A, Harasawa, A et al.2012 · 2 citationsJournal of synchrotron radiation. 1998;5(Pt 3):741-3
Career total: 170 works. 41 are in this corpus.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.