Observation of topological superconductivity on the surface of an iron-based superconductor P Zhang, K Yaji, T Hashimoto, Y Ota, T Kondo, K Okazaki, Z Wang, J Wen, ...
Science 360 (6385), 182-186, 2018
673 2018 Octet-line node structure of superconducting order parameter in KFe2As2 K Okazaki, Y Ota, Y Kotani, W Malaeb, Y Ishida, T Shimojima, T Kiss, ...
Science 337 (6100), 1314-1317, 2012
305 2012 Multiple topological states in iron-based superconductors P Zhang, Z Wang, X Wu, K Yaji, Y Ishida, Y Kohama, G Dai, Y Sun, ...
Nature Physics 15 (1), 41-47, 2019
215 2019 Hole-doping-induced changes in the electronic structure of : Soft x-ray photoemission and absorption study of epitaxial thin films H Wadati, D Kobayashi, H Kumigashira, K Okazaki, T Mizokawa, ...
Physical Review B 71 (3), 035108, 2005
144 2005 Photoemission study of the metal-insulator transition in Evidence for strong electron-electron and electron-phonon interaction K Okazaki, H Wadati, A Fujimori, M Onoda, Y Muraoka, Z Hiroi
Physical Review B 69 (16), 165104, 2004
142 2004 Superconductivity in an electron band just above the Fermi level: possible route to BCS-BEC superconductivity K Okazaki, Y Ito, Y Ota, Y Kotani, T Shimojima, T Kiss, S Watanabe, ...
Sci. Rep. 4, 4109, 2014
119 2014 Photo-induced semimetallic states realised in electron–hole coupled insulators K Okazaki, Y Ogawa, T Suzuki, T Yamamoto, T Someya, S Michimae, ...
Nature communications 9 (1), 4322, 2018
107 2018 Role of electron-electron and electron-phonon interaction effects in the optical conductivity of K Okazaki, S Sugai, Y Muraoka, Z Hiroi
Physical Review B 73 (16), 165116, 2006
107 2006 Suppression of the antiferromagnetic pseudogap in the electron-doped high-temperature superconductor by protect annealing M Horio, T Adachi, Y Mori, A Takahashi, T Yoshida, H Suzuki, ...
Nature communications 7 (1), 10567, 2016
92 2016 Anomalous Dressing of Dirac Fermions in the Topological Surface State of , , and Cu-Doped T Kondo, Y Nakashima, Y Ota, Y Ishida, W Malaeb, K Okazaki, S Shin, ...
Physical Review Letters 110 (21), 217601, 2013
86 2013 Superconducting gap anisotropy sensitive to nematic domains in FeSe T Hashimoto, Y Ota, HQ Yamamoto, Y Suzuki, T Shimojima, S Watanabe, ...
Nature communications 9 (1), 282, 2018
80 2018 Unconventional superconductivity in the BiS2-based layered superconductor NdO0.71F0.29BiS2 Y Ota, K Okazaki, HQ Yamamoto, T Yamamoto, S Watanabe, C Chen, ...
Physical Review Letters 118 (16), 167002, 2017
77 2017 Abrupt change in the energy gap of superconducting Ba 1− x K x Fe 2 As 2 single crystals with hole doping W Malaeb, T Shimojima, Y Ishida, K Okazaki, Y Ota, K Ohgushi, K Kihou, ...
Physical Review B 86 (16), 165117, 2012
76 2012 Evidence for a cos(4φ) Modulation of the Superconducting Energy Gap of Optimally Doped FeTe_ {0.6} Se_ {0.4} Single Crystals Using Laser Angle-Resolved Photoemission Spectroscopy K Okazaki, Y Ito, Y Ota, Y Kotani, T Shimojima, T Kiss, S Watanabe, ...
Physical Review Letters 109 (23), 237011, 2012
62 2012 Phonon, two-magnon, and electronic Raman scattering of Fe 1+ y Te 1− x Se x K Okazaki, S Sugai, S Niitaka, H Takagi
Physical Review B 83 (3), 035103, 2011
62 2011 Low-temperature and high-energy-resolution laser photoemission spectroscopy T Shimojima, K Okazaki, S Shin
Journal of the Physical Society of Japan 84 (7), 072001, 2015
54 2015 Angle-resolved photoemission and band-structure results for linear chain TlGaTe 2 K Okazaki, K Tanaka, J Matsuno, A Fujimori, LF Mattheiss, S Iida, ...
Physical Review B 64 (4), 045210, 2001
51 2001 Bose-Einstein condensation superconductivity induced by disappearance of the nematic state T Hashimoto, Y Ota, A Tsuzuki, T Nagashima, A Fukushima, S Kasahara, ...
Science Advances 6, eabb9052, 2020
50 2020 Evidence for excluding the possibility of d-wave superconducting-gap symmetry in Ba-doped KFe2As2 Y Ota, K Okazaki, Y Kotani, T Shimojima, W Malaeb, S Watanabe, ...
Phys. Rev. B 89, 081103(R), 2014
49 2014 Common Origin of the Circular-Dichroism Pattern in Angle-Resolved Photoemission Spectroscopy of and Y Ishida, H Kanto, A Kikkawa, Y Taguchi, Y Ito, Y Ota, K Okazaki, ...
Physical Review Letters 107 (7), 077601, 2011
46 2011