中山 耕輔

研究成果

年別の研究成果 2006 2007 2008 2009 2010 2011 2012 2013 2017 2018 2019 2021

• 5996 被引用数
• 38 h-index
• 90 Article
• 2 Conference article
• 1 Chapter
• 1 Review article

年別の研究成果

年別の研究成果

検索結果

• 2021

  Dirac semimetal phase and switching of band inversion in XMg₂Bi₂ (X = Ba and Sr)

  Takane, D., Kubota, Y., Nakayama, K., Kawakami, T., Yamauchi, K., Souma, S., Kato, T., Sugawara, K., Ideta, S. I., Tanaka, K., Kitamura, M., Horiba, K., Kumigashira, H., Oguchi, T., Takahashi, T., Segawa, K. & Sato, T., 2021 12, In: Scientific reports. 11, 1, 21937.

  研究成果: Article › 査読

  Open Access

  • metalloids 100%
  • inversions 71%
  • insulators 26%
  • symmetry 20%
  • Brillouin zones 18%

• Multiple energy scales and anisotropic energy gap in the charge-density-wave phase of the kagome superconductor CsV3Sb5

  Nakayama, K., Li, Y., Kato, T., Liu, M., Wang, Z., Takahashi, T., Yao, Y. & Sato, T., 2021 10 15, In: Physical Review B. 104, 16, A83.

  研究成果: Article › 査読

  • Charge density waves 100%
  • Charge Density Wave 69%
  • Superconducting materials 58%
  • Energy gap 50%
  • Superconductor 50%
  7 被引用数 (Scopus)

• Orbital mixing at the onset of high-temperature superconductivity in FeSe1-xTex/CaF2

  Nakayama, K., Tsubono, R., Phan, G. N., Nabeshima, F., Shikama, N., Ishikawa, T., Sakishita, Y., Ideta, S., Tanaka, K., Maeda, A., Takahashi, T. & Sato, T., 2021 1 20, In: Physical Review Research. 3, 1, L012007.

  研究成果: Article › 査読

  Open Access

  • Brillouin zones 100%
  • superconductivity 80%
  • orbitals 67%
  • augmentation 57%
  • shift 57%
  5 被引用数 (Scopus)

• Unusual temperature evolution of quasiparticle band dispersion in electron-doped fese films

  Nakayama, K., Shigekawa, K., Sugawara, K., Takahashi, T. & Sato, T., 2021 2, In: Symmetry. 13, 2, p. 1-8 8 p., 155.

  研究成果: Article › 査読

  Open Access

  • Quasiparticle 100%
  • Quasiparticles 94%
  • Superconductivity 73%
  • Electron 64%
  • Momentum Transfer 48%
• 2020

  Conversion of a conventional superconductor into a topological superconductor by topological proximity effect

  Trang, C. X., Shimamura, N., Nakayama, K., Souma, S., Sugawara, K., Watanabe, I., Yamauchi, K., Oguchi, T., Segawa, K., Takahashi, T., Ando, Y. & Sato, T., 2020 12 1, In: Nature communications. 11, 1, 159.

  研究成果: Article › 査読

  Open Access

  • Superconductivity 100%
  • Proximity Effect 88%
  • Superconductor 68%
  • Condensed-Matter Physics 24%
  • Fermion 24%
  15 被引用数 (Scopus)

• Observation of inverted band structure in the topological Dirac semimetal candidate CaAuAs

  Nakayama, K., Wang, Z., Takane, D., Souma, S., Kubota, Y., Nakata, Y., Cacho, C., Kim, T., Ekahana, S. A., Shi, M., Kitamura, M., Horiba, K., Kumigashira, H., Takahashi, T., Ando, Y. & Sato, T., 2020 7 15, In: Physical Review B. 102, 4, 041104.

  研究成果: Article › 査読

  • Metalloids 100%
  • Brillouin Zone 85%
  • Band structure 76%
  • metalloids 61%
  • Electronic Band Structure 55%
  3 被引用数 (Scopus)

• Signature of band inversion in the antiferromagnetic phase of axion insulator candidate EuIn2As2

  Sato, T., Wang, Z., Takane, D., Souma, S., Cui, C., Li, Y., Nakayama, K., Kawakami, T., Kubota, Y., Cacho, C., Kim, T. K., Arab, A., Strocov, V. N., Yao, Y. & Takahashi, T., 2020 9, In: Physical Review Research. 2, 3, 033342.

  研究成果: Article › 査読

  Open Access

  • inversions 100%
  • signatures 99%
  • insulators 90%
  • Brillouin zones 32%
  • photoelectric emission 26%
  7 被引用数 (Scopus)
• 2019

  Dichotomy of superconductivity between monolayer FeS and FeSe

  Shigekawa, K., Nakayama, K., Kuno, M., Phan, G. N., Owada, K., Sugawara, K., Takahashi, T. & Sato, T., 2019 12 3, In: Proceedings of the National Academy of Sciences of the United States of America. 116, 49, p. 24470-24474 5 p.

  研究成果: Article › 査読

  Open Access

  • Superconductivity 100%
  • strontium titanium oxide 51%
  • Electrons 19%
  • Photoelectron Spectroscopy 18%
  • Iron 10%
  12 被引用数 (Scopus)

• Dimensionality reduction and band quantization induced by potassium intercalation in 1T-HfTe2

  Nakata, Y., Sugawara, K., Chainani, A., Yamauchi, K., Nakayama, K., Souma, S., Chuang, P. Y., Cheng, C. M., Oguchi, T., Ueno, K., Takahashi, T. & Sato, T., 2019 7 10, In: Physical Review Materials. 3, 7, 071001.

  研究成果: Article › 査読

  • Intercalation 93%
  • Band structure 87%
  • Potassium 76%
  • intercalation 71%
  • Dimensionality reduction 68%
  13 被引用数 (Scopus)

• Electronic structure of a Bi2Te3/FeTe heterostructure: Implications for unconventional superconductivity

  Owada, K., Nakayama, K., Tsubono, R., Shigekawa, K., Sugawara, K., Takahashi, T. & Sato, T., 2019 8 21, In: Physical Review B. 100, 6, 064518.

  研究成果: Article › 査読

  • Binding energy 100%
  • Superconductivity 96%
  • Heterojunctions 82%
  • Topological insulators 64%
  • Binding Energy 55%
  6 被引用数 (Scopus)

• Evidence for bulk nodal loops and universality of Dirac-node arc surface states in ZrGeXc (Xc=S, Se, Te)

  Nakamura, T., Souma, S., Wang, Z., Yamauchi, K., Takane, D., Oinuma, H., Nakayama, K., Horiba, K., Kumigashira, H., Oguchi, T., Takahashi, T., Ando, Y. & Sato, T., 2019 6 4, In: Physical Review B. 99, 24, 245105.

  研究成果: Article › 査読

  • Photoelectron spectroscopy 100%
  • Surface states 84%
  • Surface State 69%
  • Band structure 54%
  • arcs 48%
  9 被引用数 (Scopus)

• Monolayer VTe2: Incommensurate Fermi surface nesting and suppression of charge density waves

  Sugawara, K., Nakata, Y., Fujii, K., Nakayama, K., Souma, S., Takahashi, T. & Sato, T., 2019 6 18, In: Physical Review B. 99, 24, 241404.

  研究成果: Article › 査読

  • Charge density waves 100%
  • Fermi surface 100%
  • Charge Density Wave 69%
  • Monolayers 58%
  • Fermi surfaces 43%
  20 被引用数 (Scopus)

• Nanomosaic of Topological Dirac States on the Surface of Pb₅Bi₂₄Se₄₁ Observed by Nano-ARPES

  Nakayama, K., Souma, S., Trang, C. X., Takane, D., Chen, C., Avila, J., Takahashi, T., Sasaki, S., Segawa, K., Asensio, M. C., Ando, Y. & Sato, T., 2019 6 12, In: Nano Letters. 19, 6, p. 3737-3742 6 p.

  研究成果: Article › 査読

  • Band structure 100%
  • Nonconductor 80%
  • Topological insulators 73%
  • Electronic Band Structure 71%
  • Photoelectron spectroscopy 60%
  4 被引用数 (Scopus)

• Observation of Chiral Fermions with a Large Topological Charge and Associated Fermi-Arc Surface States in CoSi

  Takane, D., Wang, Z., Souma, S., Nakayama, K., Nakamura, T., Oinuma, H., Nakata, Y., Iwasawa, H., Cacho, C., Kim, T., Horiba, K., Kumigashira, H., Takahashi, T., Ando, Y. & Sato, T., 2019 2 20, In: Physical review letters. 122, 7, 076402.

  研究成果: Article › 査読

  • arcs 100%
  • fermions 97%
  • metalloids 22%
  • Fermi surfaces 19%
  • Brillouin zones 10%
  108 被引用数 (Scopus)

• Unusual change in the Dirac-cone energy band upon a two-step magnetic transition in CeBi

  Oinuma, H., Souma, S., Nakayama, K., Horiba, K., Kumigashira, H., Yoshida, M., Ochiai, A., Takahashi, T. & Sato, T., 2019 9 10, In: Physical Review B. 100, 12, 125122.

  研究成果: Article › 査読

  • Photoelectron spectroscopy 100%
  • Magnetic Transition 82%
  • Band structure 82%
  • Electronic Band Structure 59%
  • Antiferromagnetic 56%
  5 被引用数 (Scopus)
• 2018

  Observation of a Dirac nodal line in AlB2

  Takane, D., Souma, S., Nakayama, K., Nakamura, T., Oinuma, H., Hori, K., Horiba, K., Kumigashira, H., Kimura, N., Takahashi, T. & Sato, T., 2018 7 17, In: Physical Review B. 98, 4, 041105.

  研究成果: Article › 査読

  • Band structure 100%
  • Electronic Band Structure 71%
  • Photoelectron spectroscopy 60%
  • Brillouin Zone 55%
  • Photons 42%
  16 被引用数 (Scopus)

• Observation of band crossings protected by nonsymmorphic symmetry in the layered ternary telluride Ta3SiTe6

  Sato, T., Wang, Z., Nakayama, K., Souma, S., Takane, D., Nakata, Y., Iwasawa, H., Cacho, C., Kim, T., Takahashi, T. & Ando, Y., 2018 9 26, In: Physical Review B. 98, 12, 121111.

  研究成果: Article › 査読

  • Crystal symmetry 100%
  • tellurides 74%
  • Crystal System 63%
  • Dispersions 49%
  • Fermion 44%
  10 被引用数 (Scopus)

• Observation of Dirac-like energy band and ring-torus Fermi surface associated with the nodal line in topological insulator CaAgAs

  Takane, D., Nakayama, K., Souma, S., Wada, T., Okamoto, Y., Takenaka, K., Yamakawa, Y., Yamakage, A., Mitsuhashi, T., Horiba, K., Kumigashira, H., Takahashi, T. & Sato, T., 2018 12 1, In: npj Quantum Materials. 3, 1, 1.

  研究成果: Article › 査読

  • Fermi surface 100%
  • Topological insulators 91%
  • Crystal symmetry 79%
  • Band structure 62%
  • Crystal System 50%
  50 被引用数 (Scopus)

• Observation of Dirac-like energy band and unusual spectral line shape in quasi-one-dimensional superconductor Tl2Mo6Se6

  Nakayama, K., Wang, Z., Trang, C. X., Souma, S., Rienks, E. D. L., Takahashi, T., Ando, Y. & Sato, T., 2018 10 10, In: Physical Review B. 98, 14, 140502.

  研究成果: Article › 査読

  • Superconductivity 100%
  • Band structure 90%
  • Superconducting materials 85%
  • Superconductor 73%
  • Fermi surface 72%
  2 被引用数 (Scopus)

• Ultrathin Bismuth Film on Higherature Cuprate Superconductor Bi₂Sr₂CaCu₂O_8+Î as a Candidate of a Topological Superconductor

  Shimamura, N., Sugawara, K., Sucharitakul, S., Souma, S., Iwaya, K., Nakayama, K., Trang, C. X., Yamauchi, K., Oguchi, T., Kudo, K., Noji, T., Koike, Y., Takahashi, T., Hanaguri, T. & Sato, T., 2018 11 27, In: ACS Nano. 12, 11, p. 10977-10983 7 p.

  研究成果: Article › 査読

  • Fermions 100%
  • Fermion 88%
  • Bismuth 74%
  • Superconducting materials 73%
  • Superconductor 62%
  7 被引用数 (Scopus)
• 2017

  Band splitting and Weyl nodes in trigonal tellurium studied by angle-resolved photoemission spectroscopy and density functional theory

  Nakayama, K., Kuno, M., Yamauchi, K., Souma, S., Sugawara, K., Oguchi, T., Sato, T. & Takahashi, T., 2017 3 22, In: Physical Review B. 95, 12, 125204.

  研究成果: Article › 査読

  • Photoelectron spectroscopy 100%
  • Tellurium 96%
  • Density functional theory 87%
  • Band structure 82%
  • tellurium 68%
  39 被引用数 (Scopus)

• Effects of strain on the electronic structure, superconductivity, and nematicity in FeSe studied by angle-resolved photoemission spectroscopy

  Phan, G. N., Nakayama, K., Sugawara, K., Sato, T., Urata, T., Tanabe, Y., Tanigaki, K., Nabeshima, F., Imai, Y., Maeda, A. & Takahashi, T., 2017 6 9, In: Physical Review B. 95, 22, 224507.

  研究成果: Article › 査読

  • Photoelectron spectroscopy 100%
  • Superconductivity 90%
  • Iron-based Superconductors 68%
  • Fermi surface 65%
  • plane strain 64%
  34 被引用数 (Scopus)

• High-temperature superconductivity and lattice relaxation in lithium-deposited FeSe on SrTiO₃

  Phan, G. N., Nakayama, K., Kanayama, S., Kuno, M., Sugawara, K., Sato, T. & Takahashi, T., 2017, In: journal of the physical society of japan. 86, 3, 033706.

  研究成果: Article › 査読

  • lithium 100%
  • superconductivity 95%
  • photoelectric emission 48%
  • spectroscopy 29%
  • potassium 28%
  5 被引用数 (Scopus)

• Three-dimensional band structure of LaSb and CeSb: Absence of band inversion

  Oinuma, H., Souma, S., Takane, D., Nakamura, T., Nakayama, K., Mitsuhashi, T., Horiba, K., Kumigashira, H., Yoshida, M., Ochiai, A., Takahashi, T. & Sato, T., 2017 7 18, In: Physical Review B. 96, 4, 041120.

  研究成果: Article › 査読

  • Band structure 100%
  • Photons 84%
  • Topological insulators 73%
  • Electronic Band Structure 71%
  • Photon 68%
  38 被引用数 (Scopus)

• Two-dimensional Dirac semimetal phase in undoped one-monolayer FeSe film

  Kanayama, S., Nakayama, K., Phan, G. N., Kuno, M., Sugawara, K., Takahashi, T. & Sato, T., 2017 12 29, In: Physical Review B. 96, 22, 220509.

  研究成果: Article › 査読

  • Metalloids 100%
  • Monolayers 71%
  • metalloids 61%
  • Cones 51%
  • Fermi surface 40%
  7 被引用数 (Scopus)
• 2016

  Bulk superconducting gap of V₃Si studied by low-energy ultrahigh-resolution photoemission spectroscopy

  Sato, T., Souma, S., Nakayama, K., Sugawara, K., Toyota, N. & Takahashi, T., 2016 4 1, In: Journal of Electron Spectroscopy and Related Phenomena. 208, p. 40-42 3 p.

  研究成果: Article › 査読

  • Superconducting Gap 100%
  • Photoelectron spectroscopy 85%
  • Photoelectron Spectroscopy 49%
  • photoelectric emission 43%
  • spectroscopy 26%
  1 被引用数 (Scopus)

• Dirac-node arc in the topological line-node semimetal HfSiS

  Takane, D., Wang, Z., Souma, S., Nakayama, K., Trang, C. X., Sato, T., Takahashi, T. & Ando, Y., 2016 9 8, In: Physical Review B. 94, 12, 121108.

  研究成果: Article › 査読

  • Metalloids 100%
  • metalloids 61%
  • Fermi surface 61%
  • Photoelectron spectroscopy 46%
  • arcs 45%
  98 被引用数 (Scopus)

• Direct observation of nonequivalent Fermi-arc states of opposite surfaces in the noncentrosymmetric Weyl semimetal NbP

  Souma, S., Wang, Z., Kotaka, H., Sato, T., Nakayama, K., Tanaka, Y., Kimizuka, H., Takahashi, T., Yamauchi, K., Oguchi, T., Segawa, K. & Ando, Y., 2016 4 20, In: Physical Review B. 93, 16, 161112.

  研究成果: Article › 査読

  • Metalloids 100%
  • Photoelectron spectroscopy 93%
  • metalloids 61%
  • Fermi surface 61%
  • arcs 45%
  76 被引用数 (Scopus)

• Fermiology of possible topological superconductor Tl0.5Bi2Te3 derived from hole-doped topological insulator

  Trang, C. X., Wang, Z., Takane, D., Nakayama, K., Souma, S., Sato, T., Takahashi, T., Taskin, A. A. & Ando, Y., 2016 6 13, In: Physical Review B. 93, 24, 241103.

  研究成果: Article › 査読

  • Fermi surface 100%
  • Topological insulators 91%
  • Superconductivity 68%
  • Superconducting materials 58%
  • Superconductor 50%
  5 被引用数 (Scopus)
• 2015

  High-temperature superconductivity in potassium-coated multilayer FeSe thin films

  Miyata, Y., Nakayama, K., Sugawara, K., Sato, T. & Takahashi, T., 2015 8 28, In: Nature Materials. 14, 8, p. 775-779 5 p.

  研究成果: Article › 査読

  • Superconductivity 100%
  • Multilayer films 98%
  • Potassium 79%
  • potassium 64%
  • Thin films 61%
  202 被引用数 (Scopus)

• Observation of two-dimensional bulk electronic states in the superconducting topological insulator heterostructure Cux(PbSe) 5(Bi 2 Se 3) 6: Implications for unconventional superconductivity

  Nakayama, K., Kimizuka, H., Tanaka, Y., Sato, T., Souma, S., Takahashi, T., Sasaki, S., Segawa, K. & Ando, Y., 2015 9 28, In: Physical Review B - Condensed Matter and Materials Physics. 92, 10, 100508.

  研究成果: Article › 査読

  • Topological insulators 100%
  • Photoelectron spectroscopy 82%
  • Superconductivity 74%
  • Heterojunctions 63%
  • Nonconductor 54%
  14 被引用数 (Scopus)

• Superstructure-dependent electronic states in CaAlSi superconductors studied by angle-resolved photoemission spectroscopy

  Sato, T., Xiao, Y. X., Souma, S., Nakayama, K., Sugawara, K., Kuroiwa, S., Akimitsu, J. & Takahashi, T., 2015 5 11, In: Physical Review B - Condensed Matter and Materials Physics. 91, 19, 195114.

  研究成果: Article › 査読

  • Fermi surface 100%
  • Superconducting Gap 88%
  • Valence bands 80%
  • Photoelectron spectroscopy 76%
  • Superconductivity 68%
  1 被引用数 (Scopus)
• 2014

  Evolution from incoherent to coherent electronic states and its implications for superconductivity in FeTe1-x Sex

  Ieki, E., Nakayama, K., Miyata, Y., Sato, T., Miao, H., Xu, N., Wang, X. P., Zhang, P., Qian, T., Richard, P., Xu, Z. J., Wen, J. S., Gu, G. D., Luo, H. Q., Wen, H. H., Ding, H. & Takahashi, T., 2014 4 28, In: Physical Review B - Condensed Matter and Materials Physics. 89, 14, 140506.

  研究成果: Article › 査読

  • Photoelectron spectroscopy 100%
  • Superconductivity 90%
  • Quasiparticle 62%
  • photoelectric emission 50%
  • superconductivity 49%
  30 被引用数 (Scopus)

• Reconstruction of band structure induced by electronic nematicity in an fese superconductor

  Nakayama, K., Miyata, Y., Phan, G. N., Sato, T., Tanabe, Y., Urata, T., Tanigaki, K. & Takahashi, T., 2014 12 5, In: Physical review letters. 113, 23, 237001.

  研究成果: Article › 査読

  • electronics 100%
  • trucks 69%
  • Brillouin zones 67%
  • photoelectric emission 55%
  • superconductivity 54%
  212 被引用数 (Scopus)
• 2013

  Angle-resolved photoemission observation of isotropic superconducting gaps in isovalent Ru-substituted Ba(Fe_0.75Ru_0.25) ₂As₂

  Xu, N., Richard, P., Wang, X. P., Shi, X., Van Roekeghem, A., Qian, T., Ieki, E., Nakayama, K., Sato, T., Rienks, E., Thirupathaiah, S., Xing, J., Wen, H. H., Shi, M., Takahashi, T. & Ding, H., 2013 3 18, In: Physical Review B - Condensed Matter and Materials Physics. 87, 9, 094513.

  研究成果: Article › 査読

  • Fermi surface 100%
  • Superconducting Gap 88%
  • Photoemission 80%
  • Momentum 39%
  • photoelectric emission 38%
  10 被引用数 (Scopus)

• Electronic structure of the iron chalcogenide KFeAgTe₂ revealed by angle-resolved photoemission spectroscopy

  Ang, R., Nakayama, K., Yin, W. G., Sato, T., Lei, H., Petrovic, C. & Takahashi, T., 2013 10 2, In: Physical Review B - Condensed Matter and Materials Physics. 88, 15, 155102.

  研究成果: Article › 査読

  • Photoelectron spectroscopy 100%
  • Chalcogenides 92%
  • Nonconductor 65%
  • chalcogenides 59%
  • Ground state 58%
  4 被引用数 (Scopus)

• Fermiology of the strongly spin-orbit coupled superconductor Sn _1-xIn_xTe: Implications for topological superconductivity

  Sato, T., Tanaka, Y., Nakayama, K., Souma, S., Takahashi, T., Sasaki, S., Ren, Z., Taskin, A. A., Segawa, K. & Ando, Y., 2013 5 17, In: Physical review letters. 110, 20, 206804.

  研究成果: Article › 査読

  • superconductivity 100%
  • orbits 85%
  • Fermi surfaces 76%
  • Brillouin zones 41%
  • spectroscopy 41%
  67 被引用数 (Scopus)

• Possible nodal superconducting gap and Lifshitz transition in heavily hole-doped Ba 0.1 K 0.9 Fe 2 As 2

  Xu, N., Richard, P., Shi, X., Van Roekeghem, A., Qian, T., Razzoli, E., Rienks, E., Chen, G. F., Ieki, E., Nakayama, K., Sato, T., Takahashi, T., Shi, M. & Ding, H., 2013 1 19, In: Physical Review B - Condensed Matter and Materials Physics. 88, 22, 220508.

  研究成果: Article › 査読

  • Fermi surface 100%
  • Superconducting Gap 88%
  • Fermi surfaces 43%
  • topology 29%
  • Topology 22%
  72 被引用数 (Scopus)

• Superconductivity and bandwidth-controlled Mott metal-insulator transition in 1T-TaS_2-xSe_x

  Ang, R., Miyata, Y., Ieki, E., Nakayama, K., Sato, T., Liu, Y., Lu, W. J., Sun, Y. P. & Takahashi, T., 2013 9 30, In: Physical Review B - Condensed Matter and Materials Physics. 88, 11, 115145.

  研究成果: Article › 査読

  • Superconductivity 81%
  • Photoelectron spectroscopy 60%
  • Ground state 53%
  • superconductivity 44%
  • insulators 38%
  55 被引用数 (Scopus)

• Tunability of the k-space location of the Dirac cones in the topological crystalline insulator Pb_1-xSn_xTe

  Tanaka, Y., Sato, T., Nakayama, K., Souma, S., Takahashi, T., Ren, Z., Novak, M., Segawa, K. & Ando, Y., 2013 4 2, In: Physical Review B - Condensed Matter and Materials Physics. 87, 15, 155105.

  研究成果: Article › 査読

  • Surface State 100%
  • Nonconductor 94%
  • Crystalline materials 88%
  • Cones 79%
  • cones 72%
  97 被引用数 (Scopus)

• Two types of Dirac-cone surface states on the (111) surface of the topological crystalline insulator SnTe

  Tanaka, Y., Shoman, T., Nakayama, K., Souma, S., Sato, T., Takahashi, T., Novak, M., Segawa, K. & Ando, Y., 2013 12 26, In: Physical Review B - Condensed Matter and Materials Physics. 88, 23, 235126.

  研究成果: Article › 査読

  • Surface states 100%
  • Surface State 82%
  • Nonconductor 78%
  • Crystalline materials 73%
  • Cones 65%
  84 被引用数 (Scopus)
• 2012

  Angle-resolved photoemission spectroscopy of Co-based boride superconductor LaCo _1.73Fe _0.27B ₂

  Nakayama, K., Ieki, E., Tanaka, Y., Sato, T., Takahashi, T., Kuroda, T., Mizoguchi, H., Kim, S. W. & Hosono, H., 2012 7 5, In: Physical Review B - Condensed Matter and Materials Physics. 86, 1, 014503.

  研究成果: Article › 査読

  • Photoelectron spectroscopy 100%
  • Borides 81%
  • Superconducting materials 76%
  • Group 5A compounds 75%
  • borides 71%
  1 被引用数 (Scopus)

• Evolution of electronic structure upon Cu doping in the topological insulator Bi₂Se₃

  Tanaka, Y., Nakayama, K., Souma, S., Sato, T., Xu, N., Zhang, P., Richard, P., Ding, H., Suzuki, Y., Das, P., Kadowaki, K. & Takahashi, T., 2012 3 12, In: Physical Review B - Condensed Matter and Materials Physics. 85, 12, 125111.

  研究成果: Article › 査読

  • Topological insulators 100%
  • Surface State 57%
  • Superconductivity 56%
  • Nonconductor 54%
  • Doping (additives) 54%
  26 被引用数 (Scopus)

• Experimental realization of a topological crystalline insulator in SnTe

  Tanaka, Y., Ren, Z., Sato, T., Nakayama, K., Souma, S., Takahashi, T., Segawa, K. & Ando, Y., 2012 11, In: Nature Physics. 8, 11, p. 800-803 4 p.

  研究成果: Article › 査読

  • insulators 100%
  • symmetry 47%
  • tin tellurides 45%
  • lead tellurides 40%
  • Brillouin zones 28%
  641 被引用数 (Scopus)

• Isotropic superconducting gaps with enhanced pairing on electron Fermi surfaces in FeTe _0.55Se _0.45

  Miao, H., Richard, P., Tanaka, Y., Nakayama, K., Qian, T., Umezawa, K., Sato, T., Xu, Y. M., Shi, Y. B., Xu, N., Wang, X. P., Zhang, P., Yang, H. B., Xu, Z. J., Wen, J. S., Gu, G. D., Dai, X., Hu, J. P., Takahashi, T. & Ding, H., 2012 3 6, In: Physical Review B - Condensed Matter and Materials Physics. 85, 9, 094506.

  研究成果: Article › 査読

  • Iron-based Superconductors 100%
  • Fermi surface 96%
  • Superconducting Gap 85%
  • Exchange interactions 78%
  • Photoelectron spectroscopy 73%
  121 被引用数 (Scopus)

• Manipulation of topological states and the bulk band gap using natural heterostructures of a topological insulator

  Nakayama, K., Eto, K., Tanaka, Y., Sato, T., Souma, S., Takahashi, T., Segawa, K. & Ando, Y., 2012 12 4, In: Physical review letters. 109, 23, 236804.

  研究成果: Article › 査読

  • manipulators 100%
  • insulators 83%
  • photoelectric emission 24%
  • cones 24%
  • inversions 22%
  70 被引用数 (Scopus)

• Observation of momentum space semi-localization in Si-doped β-Ga ₂O₃

  Richard, P., Sato, T., Souma, S., Nakayama, K., Liu, H. W., Iwaya, K., Hitosugi, T., Aida, H., Ding, H. & Takahashi, T., 2012 12 3, In: Applied Physics Letters. 101, 23, 232105.

  研究成果: Article › 査読

  • momentum 100%
  • photoelectric emission 82%
  • conduction 31%
  • impurities 31%
  • spectroscopy 24%
  15 被引用数 (Scopus)

• Real-space coexistence of the melted Mott state and superconductivity in Fe-substituted 1T-TaS ₂

  Ang, R., Tanaka, Y., Ieki, E., Nakayama, K., Sato, T., Li, L. J., Lu, W. J., Sun, Y. P. & Takahashi, T., 2012 10 23, In: Physical review letters. 109, 17, 176403.

  研究成果: Article › 査読

  • superconductivity 100%
  • electrons 49%
  • Brillouin zones 41%
  • chalcogenides 39%
  • photoelectric emission 34%
  83 被引用数 (Scopus)

• Topological surface states in lead-based ternary telluride Pb(Bi _1-xSb _x) ₂Te ₄

  Souma, S., Eto, K., Nomura, M., Nakayama, K., Sato, T., Takahashi, T., Segawa, K. & Ando, Y., 2012 3 12, In: Physical review letters. 108, 11, 116801.

  研究成果: Article › 査読

  • tellurides 100%
  • insulators 37%
  • Brillouin zones 26%
  • photoelectric emission 21%
  • cones 21%
  53 被引用数 (Scopus)

• Tunable Dirac cone in the topological insulator Bi_2-xSb _xTe_3-ySe_y

  Arakane, T., Sato, T., Souma, S., Kosaka, K., Nakayama, K., Komatsu, M., Takahashi, T., Ren, Z., Segawa, K. & Ando, Y., 2012, In: Nature communications. 3, 636.

  研究成果: Article › 査読

  • Nonconductor 100%
  • cones 77%
  • Photoelectron Spectroscopy 66%
  • insulators 65%
  • Equipment and Supplies 53%
  257 被引用数 (Scopus)