Search Results - "Namatame, H."

Proving Nontrivial Topology of Pure Bismuth by Quantum Confinement by Ito, S, Feng, B, Arita, M, Takayama, A, Liu, R-Y, Someya, T, Chen, W-C, Iimori, T, Namatame, H, Taniguchi, M, Cheng, C-M, Tang, S-J, Komori, F, Kobayashi, K, Chiang, T-C, Matsuda, I

“…The topology of pure Bi is controversial because of its very small (∼10  meV) band gap. Here we perform high-resolution angle-resolved photoelectron…”
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Evidence of Topological Surface State in Three-Dimensional Dirac Semimetal Cd3As2 by Yi, Hemian, Wang, Zhijun, Chen, Chaoyu, Shi, Youguo, Feng, Ya, Liang, Aiji, Xie, Zhuojin, He, Shaolong, He, Junfeng, Peng, Yingying, Liu, Xu, Liu, Yan, Zhao, Lin, Liu, Guodong, Dong, Xiaoli, Zhang, Jun, Nakatake, M., Arita, M., Shimada, K., Namatame, H., Taniguchi, M., Xu, Zuyan, Chen, Chuangtian, Dai, Xi, Fang, Zhong, Zhou, X. J.

“…The three-dimensional topological semimetals represent a new quantum state of matter. Distinct from the surface state in the topological insulators that…”
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Suppression of the antiferromagnetic pseudogap in the electron-doped high-temperature superconductor by protect annealing by Horio, M., Adachi, T., Mori, Y., Takahashi, A., Yoshida, T., Suzuki, H., Ambolode, L. C. C., Okazaki, K., Ono, K., Kumigashira, H., Anzai, H., Arita, M., Namatame, H., Taniguchi, M., Ootsuki, D., Sawada, K., Takahashi, M., Mizokawa, T., Koike, Y., Fujimori, A.

“…In the hole-doped cuprates, a small number of carriers suppresses antiferromagnetism and induces superconductivity. In the electron-doped cuprates, on the…”
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Photoelectron spin-polarization control in the topological insulator Bi2Se3 by Zhu, Z-H, Veenstra, C N, Zhdanovich, S, Schneider, M P, Okuda, T, Miyamoto, K, Zhu, S-Y, Namatame, H, Taniguchi, M, Haverkort, M W, Elfimov, I S, Damascelli, A

“…We study the manipulation of the spin polarization of photoemitted electrons in Bi2Se3 by spin- and angle-resolved photoemission spectroscopy. General rules…”
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Giant Rashba-type spin splitting in bulk BiTeI by Ishizaka, K., Bahramy, M. S., Murakawa, H., Sakano, M., Shimojima, T., Sonobe, T., Koizumi, K., Shin, S., Miyahara, H., Kimura, A., Miyamoto, K., Okuda, T., Namatame, H., Taniguchi, M., Arita, R., Nagaosa, N., Kobayashi, K., Murakami, Y., Kumai, R., Kaneko, Y., Onose, Y., Tokura, Y.

“…There has been increasing interest in phenomena emerging from relativistic electrons in a solid, which have a potential impact on spintronics and…”
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Rotatable high‐resolution ARPES system for tunable linear‐polarization geometry by Iwasawa, H., Shimada, K., Schwier, E. F., Zheng, M., Kojima, Y., Hayashi, H., Jiang, J., Higashiguchi, M., Aiura, Y., Namatame, H., Taniguchi, M.

“…A rotatable high‐resolution angle‐resolved photoemission spectroscopy (ARPES) system has been developed to utilize tunable linear‐polarization geometries on…”
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Hexagonally deformed Fermi surface of the 3D topological insulator Bi2Se3 by Kuroda, K, Arita, M, Miyamoto, K, Ye, M, Jiang, J, Kimura, A, Krasovskii, E E, Chulkov, E V, Iwasawa, H, Okuda, T, Shimada, K, Ueda, Y, Namatame, H, Taniguchi, M

“…A hexagonal deformation of the Fermi surface of Bi2Se3 has been for the first time observed by angle-resolved photoemission spectroscopy. This is in contrast…”
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Relation between the nodal and antinodal gap and critical temperature in superconducting Bi2212 by Anzai, H., Ino, A., Arita, M., Namatame, H., Taniguchi, M., Ishikado, M., Fujita, K., Ishida, S., Uchida, S.

“…An energy gap is, in principle, a dominant parameter in superconductivity. However, this view has been challenged for the case of high- T c cuprates, because…”
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Excitonic insulator state in Ta2NiSe5 probed by photoemission spectroscopy by Wakisaka, Y, Sudayama, T, Takubo, K, Mizokawa, T, Arita, M, Namatame, H, Taniguchi, M, Katayama, N, Nohara, M, Takagi, H

“…We report on a photoemission study of Ta2NiSe5 that has a quasi-one-dimensional structure and an insulating ground state. Ni 2p core-level spectra show that…”
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A New Landscape of Multiple Dispersion Kinks in a High-T c Cuprate Superconductor by Anzai, H, Arita, M, Namatame, H, Taniguchi, M, Ishikado, M, Fujita, K, Ishida, S, Uchida, S, Ino, A

“…Conventional superconductivity is caused by electron-phonon coupling. The discovery of high-temperature superconductors raised the question of whether such…”
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Strong rashba-type spin polarization of the photocurrent from bulk continuum States: experiment and theory for Bi(111) by Kimura, A, Krasovskii, E E, Nishimura, R, Miyamoto, K, Kadono, T, Kanomaru, K, Chulkov, E V, Bihlmayer, G, Shimada, K, Namatame, H, Taniguchi, M

“…Strong spin polarization of the photocurrent from bulk continuum states of Bi(111) is experimentally observed. On the basis of ab initio one-step photoemission…”
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Spin-polarized Dirac-cone-like surface state with d character at W(110) by Miyamoto, K, Kimura, A, Kuroda, K, Okuda, T, Shimada, K, Namatame, H, Taniguchi, M, Donath, M

“…The surface of W(110) exhibits a Dirac-cone-like state with d character within a spin-orbit-induced symmetry gap. As a function of the wave vector parallel to…”
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A New Landscape of Multiple Dispersion Kinks in a High-Tc Cuprate Superconductor by Anzai, H., Arita, M., Namatame, H., Taniguchi, M., Ishikado, M., Fujita, K., Ishida, S., Uchida, S., Ino, A.

“…Conventional superconductivity is caused by electron-phonon coupling. The discovery of high-temperature superconductors raised the question of whether such…”
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Surface scattering via bulk continuum states in the 3D topological insulator Bi2Se3 by Kim, Sunghun, Ye, M, Kuroda, K, Yamada, Y, Krasovskii, E E, Chulkov, E V, Miyamoto, K, Nakatake, M, Okuda, T, Ueda, Y, Shimada, K, Namatame, H, Taniguchi, M, Kimura, A

“…We have performed scanning tunneling microscopy and differential tunneling conductance (dI/dV) mapping for the surface of the three-dimensional topological…”
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Topological surface states with persistent high spin polarization across the Dirac point in Bi2Te2Se and Bi2Se2Te by Miyamoto, K, Kimura, A, Okuda, T, Miyahara, H, Kuroda, K, Namatame, H, Taniguchi, M, Eremeev, S V, Menshchikova, T V, Chulkov, E V, Kokh, K A, Tereshchenko, O E

“…Helical spin textures with marked spin polarizations of topological surface states have been unveiled for the first time by state-of-the-art spin- and…”
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High-energy anomaly in the band dispersion of the ruthenate superconductor by Iwasawa, H, Yoshida, Y, Hase, I, Shimada, K, Namatame, H, Taniguchi, M, Aiura, Y

“…We reveal a "high-energy anomaly" (HEA) in the band dispersion of the unconventional ruthenate superconductor Sr2RuO4, by means of high-resolution…”
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Orbital-Independent Superconducting Gaps in Iron Pnictides by Shimojima, T., Sakaguchi, F., Ishizaka, K., Ishida, Y., Kiss, T., Okawa, M., Togashi, T., Chen, C.-T., Watanabe, S., Arita, M., Shimada, K., Namatame, H., Taniguchi, M., Ohgushi, K., Kasahara, S., Terashima, T., Shibauchi, T., Matsuda, Y., Chainani, A., Shin, S.

“…The origin of superconductivity in the iron pnictides has been attributed to antiferromagnetic spin ordering that occurs in close combination with a structural…”
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Electronic-structure-driven magnetic and structure transitions in superconducting NaFeAs single crystals measured by angle-resolved photoemission spectroscopy by He, C, Zhang, Y, Xie, B P, Wang, X F, Yang, L X, Zhou, B, Chen, F, Arita, M, Shimada, K, Namatame, H, Taniguchi, M, Chen, X H, Hu, J P, Feng, D L

“…The electronic structure of NaFeAs is studied with angle-resolved photoemission spectroscopy on high quality single crystals. Large portions of the band…”
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Experimental verification of PbBi2Te4 as a 3D topological insulator by Kuroda, K, Miyahara, H, Ye, M, Eremeev, S V, Koroteev, Yu M, Krasovskii, E E, Chulkov, E V, Hiramoto, S, Moriyoshi, C, Kuroiwa, Y, Miyamoto, K, Okuda, T, Arita, M, Shimada, K, Namatame, H, Taniguchi, M, Ueda, Y, Kimura, A

“…The experimental evidence is presented of the topological insulator state in PbBi2Te4. A single surface Dirac cone is observed by angle-resolved photoemission…”
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Publisher Correction: A New Landscape of Multiple Dispersion Kinks in a High-Tc Cuprate Superconductor by Anzai, H., Arita, M., Namatame, H., Taniguchi, M., Ishikado, M., Fujita, K., Ishida, S., Uchida, S., Ino, A.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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