T
Takahiro Shimojima
Researcher at University of Tokyo
Publications - 76
Citations - 3562
Takahiro Shimojima is an academic researcher from University of Tokyo. The author has contributed to research in topics: Superconductivity & Photoemission spectroscopy. The author has an hindex of 27, co-authored 71 publications receiving 3150 citations. Previous affiliations of Takahiro Shimojima include Global Alliance in Management Education.
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Journal ArticleDOI
Giant Rashba-type spin splitting in bulk BiTeI
Kyoko Ishizaka,Mohammad Saeed Bahramy,H. Murakawa,M. Sakano,Takahiro Shimojima,T. Sonobe,K. Koizumi,Shik Shin,Hirokazu Miyahara,Akio Kimura,Koji Miyamoto,Taichi Okuda,Hirofumi Namatame,Masaki Taniguchi,Masaki Taniguchi,Ryotaro Arita,Naoto Nagaosa,Kensuke Kobayashi,Youichi Murakami,Reiji Kumai,Reiji Kumai,Yoshio Kaneko,Yoshinori Onose,Yoshinori Tokura +23 more
TL;DR: The finding of a huge spin-orbit interaction effect in a polar semiconductor composed of heavy elements, BiTeI, where the bulk carriers are ruled by large Rashba-likespin splitting is described, confirming that the spin splitting is indeed derived from bulk atomic configurations.
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Redox Control and High Conductivity of Nickel Bis(dithiolene) Complex π‑Nanosheet: A Potential Organic Two-Dimensional Topological Insulator
Tetsuya Kambe,Ryota Sakamoto,Tetsuro Kusamoto,Tigmansu Pal,Naoya Fukui,Ken Hoshiko,Takahiro Shimojima,Zhengfei Wang,Toru Hirahara,Kyoko Ishizaka,Shuji Hasegawa,Feng Liu,Hiroshi Nishihara +12 more
TL;DR: This work provides a foothold for the development of the first organic-based two-dimensional topological insulator, which will require the precise control of the oxidation state in the single-layer nickel bisdithiolene complex nanosheet.
Journal ArticleDOI
Octet-line node structure of superconducting order parameter in KFe2As2.
Kozo Okazaki,Yuichi Ota,Yoshinori Kotani,Walid Malaeb,Yukiaki Ishida,Takahiro Shimojima,Takayuki Kiss,Shuntaro Watanabe,C. T. Chen,Kunihiro Kihou,C. H. Lee,Akira Iyo,Hiroshi Eisaki,Takashi Saito,H. Fukazawa,Yoh Kohori,Kenichiro Hashimoto,Takasada Shibauchi,Yuji Matsuda,Hiroaki Ikeda,Hideyuki Miyahara,Ryotaro Arita,Ashish Chainani,Shik Shin +23 more
TL;DR: The results suggest that the A1g superconducting symmetry is universal in iron-pnictides, in spite of the variety of gap functions.
Journal ArticleDOI
Lifting of xz / yz orbital degeneracy at the structural transition in detwinned FeSe
Takahiro Shimojima,Yasuhiro Suzuki,T. Sonobe,A. Nakamura,M. Sakano,J. Omachi,Kosuke Yoshioka,Makoto Kuwata-Gonokami,Kanta Ono,Hiroshi Kumigashira,Anna E. Böhmer,Frédéric Hardy,T. Wolf,Christoph Meingast,Hilbert von Löhneysen,Hiroaki Ikeda,Kyoko Ishizaka +16 more
TL;DR: In this article, superconducting FeSe was studied using angle-resolved photo-emission spectroscopy and shown to exhibit the tetragonal-orthorhombic structural transition.
Journal ArticleDOI
Photoemission spectroscopic evidence of gap anisotropy in an f-electron superconductor.
Takayuki Kiss,F. Kanetaka,Takayoshi Yokoya,Takahiro Shimojima,Kaname Kanai,Shik Shin,Yoshichika Onuki,Tadashi Togashi,Chaojin Zhang,Chuangtian Chen,Shuntaro Watanabe +10 more
TL;DR: The present study provides direct evidence for an anisotropic SC gap in CeRu2, and also demonstrates the potential of Laser-PES in investigating unconventional superconductivity realized in correlated d- and f-electron superconductors.