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Author

  • Takayoshi Yokoya
2020

Change in the electronic structure of the bismuth chalcogenide superconductor CsBi4-xPbxTe6 by dissociation of the bismuth dimers

Okazaki, H., Terashima, K., Billington, D., Iwata, K., Wakita, T., Tanaka, M., Takano, Y., Muraoka, Y. & Yokoya, T., Apr 3 2020, In : Journal of Physics Condensed Matter. 32, 14, 145501.

Research output: Contribution to journalArticle

Formation of Q-carbon by adjusting sp3 content in diamond-like carbon films and laser energy density of pulsed laser annealing

Yoshinaka, H., Inubushi, S., Wakita, T., Yokoya, T. & Muraoka, Y., Oct 15 2020, In : Carbon. 167, p. 504-511 8 p.

Research output: Contribution to journalArticle

Skewed electronic band structure induced by electric polarization in ferroelectric BaTiO3

Oshime, N., Kano, J., Ikenaga, E., Yasui, S., Hamasaki, Y., Yasuhara, S., Hinokuma, S., Ikeda, N., Janolin, P. E., Kiat, J. M., Itoh, M., Yokoya, T., Fujii, T., Yasui, A. & Osawa, H., Dec 1 2020, In : Scientific reports. 10, 1, 10702.

Research output: Contribution to journalArticle

Open Access

Strain effects on spinodal decomposition in TiO2–VO2films on TiO2(100) substrates

Muraoka, Y., Yoshii, F., Fukuda, T., Manabe, Y., Yasuno, M., Takemoto, Y., Terashima, K., Wakita, T. & Yokoya, T., Mar 31 2020, In : Thin Solid Films. 698, 137854.

Research output: Contribution to journalArticle

2019

µ-PES Studies on TiNCl and Quasi-two-dimensional Superconductor Na-intercalated TiNCl

Kataoka, N., Terashima, K., Tanaka, M., Hosoda, W., Taniguchi, T., Wakita, T., Muraoka, Y. & Yokoya, T., Jan 1 2019, In : Journal of the Physical Society of Japan. 88, 10, 104709.

Research output: Contribution to journalArticle

Asymmetric Phosphorus Incorporation in Homoepitaxial P-Doped (111) Diamond Revealed by Photoelectron Holography

Yokoya, T., Terashima, K., Takeda, A., Fukura, T., Fujiwara, H., Muro, T., Kinoshita, T., Kato, H., Yamasaki, S., Oguchi, T., Wakita, T., Muraoka, Y. & Matsushita, T., Sep 11 2019, In : Nano Letters. 19, 9, p. 5915-5919 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Data-driven exploration for pressure-induced superconductors using diamond anvil cell with boron-doped diamond electrodes and undoped diamond insulating layer

Matsumoto, R., Hou, Z., Adachi, S., Nagao, M., Yamamoto, S., Song, P., Kataoka, N., de Castro, P. B., Terashima, K., Takeya, H., Tanaka, H., Yokoya, T., Irifune, T., Terakura, K. & Takano, Y., 2019, (Accepted/In press) In : High Pressure Research.

Research output: Contribution to journalArticle

Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides

Terashima, K., Yano, Y., Paris, E., Goto, Y., Mizuguchi, Y., Kamihara, Y., Wakita, T., Muraoka, Y., Saini, N. L. & Yokoya, T., Apr 14 2019, In : Journal of Applied Physics. 125, 14, 145105.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Fermi level tuning of Ag-doped Bi 2 Se 3 topological insulator

Uesugi, E., Uchiyama, T., Goto, H., Ota, H., Ueno, T., Fujiwara, H., Terashima, K., Yokoya, T., Matsui, F., Akimitsu, J., Kobayashi, K. & Kubozono, Y., Mar 29 2019, In : Scientific reports. 9, 1, p. 5376 5376.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Inhomogeneous charge distribution in a self-doped EuFBiS2 superconductor

Sugimoto, T., Paris, E., Terashima, K., Barinov, A., Giampietri, A., Wakita, T., Yokoya, T., Kajitani, J., Higashinaka, R., Matsuda, T. D., Aoki, Y., Mizokawa, T. & Saini, N. L., Aug 22 2019, In : Physical Review B. 100, 6, 064520.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Physics of heavily doped diamond: Electronic states and superconductivity

Wakita, T., Terashima, K. & Yokoya, T., Mar 26 2019, Physics and Chemistry of Carbon-Based Materials: Basics and Applications. Springer Singapore, p. 65-96 32 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Pressure-induced superconductivity in B i2-x S bx T e3-y S ey

He, T., Yang, X., Taguchi, T., Ueno, T., Kobayashi, K., Akimitsu, J., Yamaoka, H., Ishii, H., Liao, Y. F., Ota, H., Goto, H., Eguchi, R., Terashima, K., Yokoya, T., Jeschke, H. O., Wu, X. & Kubozono, Y., Sep 19 2019, In : Physical Review B. 100, 9, 094525.

Research output: Contribution to journalArticle

Recent photoemission studies on BICH2-based compounds

Terashima, K., Wakita, T. & Yokoya, T., Jan 1 2019, In : Journal of the Physical Society of Japan. 88, 4, 041006.

Research output: Contribution to journalArticle

Selective Reduction Mechanism of Graphene Oxide Driven by the Photon Mode versus the Thermal Mode

Hada, M., Miyata, K., Ohmura, S., Arashida, Y., Ichiyanagi, K., Katayama, I., Suzuki, T., Chen, W., Mizote, S., Sawa, T., Yokoya, T., Seki, T., Matsuo, J., Tokunaga, T., Itoh, C., Tsuruta, K., Fukaya, R., Nozawa, S., Adachi, S. I., Takeda, J. & 4 others, Onda, K., Koshihara, S. Y., Hayashi, Y. & Nishina, Y., Sep 24 2019, In : ACS Nano. 13, 9, p. 10103-10112 10 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Temperature dependent local atomic displacements in NaSn2As2 system

Pugliese, G. M., Stramaglia, F., Goto, Y., Terashima, K., Simonelli, L., Fujiwara, H., Puri, A., Marini, C., Hacisalihoglu, M. Y., D'Acapito, F., Yokoya, T., Mizokawa, T., Mizuguchi, Y. & Saini, N. L., Jul 23 2019, In : Journal of Physics Condensed Matter. 31, 42, 425402.

Research output: Contribution to journalArticle

1 Citation (Scopus)

The local structure of the Ca0.9Pr0.1Fe2As2 superconductor as a function of temperature

Paris, E., Wakita, T., Simonelli, L., Marini, C., Olszewski, W., Terashima, K., Stramaglia, F., Pugliese, G. M., Mizokawa, T., Ioka, S., Kudo, K., Nohara, M., Yokoya, T. & Saini, N. L., Jul 19 2019, In : Superconductor Science and Technology. 32, 9, 095001.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Three-dimensional dopant imaging in semiconductor crystals using photoelectron holography with chemical state identification

Matsushita, T., Muro, T., Tsutsui, K. & Yokoya, T., Jun 2019, 19th International Workshop on Junction Technology, IWJT 2019. Institute of Electrical and Electronics Engineers Inc., 8802898. (19th International Workshop on Junction Technology, IWJT 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

Determination of the local structure of Sr2-xMxIrO4 (M = K, La) as a function of doping and temperature

Terashima, K., Paris, E., Salas-Colera, E., Simonelli, L., Joseph, B., Wakita, T., Horigane, K., Fujii, M., Kobayashi, K., Horie, R., Akimitsu, J., Muraoka, Y., Yokoya, T. & Saini, N. L., Jan 1 2018, In : Physical Chemistry Chemical Physics. 20, 36, p. 23783-23788 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Direct observation of double valence-band extrema and anisotropic effective masses of the thermoelectric material SnSe

Nagayama, T., Terashima, K., Wakita, T., Fujiwara, H., Fukura, T., Yano, Y., Ono, K., Kumigashira, H., Ogiso, O., Yamashita, A., Takano, Y., Mori, H., Usui, H., Ochi, M., Kuroki, K., Muraoka, Y. & Yokoya, T., Jan 2018, In : Japanese Journal of Applied Physics. 57, 1, 010301.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Fermi surface topology in a metallic phase of VO2 thin films grown on TiO2(001) substrates

Muraoka, Y., Nagao, H., Yao, Y., Wakita, T., Terashima, K., Yokoya, T., Kumigashira, H. & Oshima, M., Dec 1 2018, In : Scientific reports. 8, 1, 17906.

Research output: Contribution to journalArticle

Metallic phase in stoichiometric CeOBiS 2 revealed by space-resolved ARPES

Sugimoto, T., Paris, E., Wakita, T., Terashima, K., Yokoya, T., Barinov, A., Kajitani, J., Higashinaka, R., Matsuda, T. D., Aoki, Y., Mizokawa, T. & Saini, N. L., Dec 1 2018, In : Scientific reports. 8, 1, 2011.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Multilayer formation via spinodal decomposition in TiO2-VO2 epitaxial films on sapphire substrates

Matsuura, Y., Yoshii, F., Otsuka, T., Kadowaki, K., Ijiri, M., Takemoto, Y., Terashima, K., Wakita, T., Yokoya, T. & Muraoka, Y., Jan 1 2018, (Accepted/In press) In : Journal of the European Ceramic Society.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Origins of Thermal Spin Depolarization in Half-Metallic Ferromagnet CrO2

Fujiwara, H., Terashima, K., Sunagawa, M., Yano, Y., Nagayama, T., Fukura, T., Yoshii, F., Matsuura, Y., Ogata, M., Wakita, T., Yaji, K., Harasawa, A., Kuroda, K., Shin, S., Horiba, K., Kumigashira, H., Muraoka, Y. & Yokoya, T., Dec 18 2018, In : Physical Review Letters. 121, 25, 257201.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Suppression of structural instability in LaOBiS2-xSex by Se substitution

Paris, E., Mizuguchi, Y., Wakita, T., Terashima, K., Yokoya, T., Mizokawa, T. & Saini, N. L., Oct 22 2018, In : Journal of Physics Condensed Matter. 30, 45, 455703.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Temperature-dependent local structure and superconductivity of BaPd2As2 and SrPd2As2

Terashima, K., Paris, E., Simonelli, L., Salas-Colera, E., Puri, A., Wakita, T., Yamada, Y., Nakano, S., Idei, H., Kudo, K., Nohara, M., Muraoka, Y., Mizokawa, T., Yokoya, T. & Saini, N. L., Sep 28 2018, In : Physical Review B. 98, 9, 094525.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2017

Ce 4f electronic states of CeO1-x FxBiS2 studied by soft x-ray photoemission spectroscopy

Wakita, T., Terashima, K., Hamada, T., Fujiwara, H., Minohara, M., Kobayashi, M., Horiba, K., Kumigashira, H., Kutluk, G., Nagao, M., Watauchi, S., Tanaka, I., Demura, S., Okazaki, H., Takano, Y., Mizuguchi, Y., Miura, O., Okada, K., Muraoka, Y. & Yokoya, T., Feb 7 2017, In : Physical Review B. 95, 8, 085109.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Distinct local structure of superconducting Ca10M4As8(Fe2As2)5 (M=Pt,Ir)

Paris, E., Wakita, T., Proux, O., Yokoya, T., Kudo, K., Mitsuoka, D., Kimura, T., Fujimura, K., Nishimoto, N., Ioka, S., Nohara, M., Mizokawa, T. & Saini, N. L., Dec 15 2017, In : Physical Review B. 96, 22, 224507.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Effect of aliovalent dopants on the kinetics of spinodal decomposition in rutile-type TiO2-VO2

Ogata, M., Kadowaki, K., Ijiri, M., Takemoto, Y., Terashima, K., Wakita, T., Yokoya, T. & Muraoka, Y., Aug 1 2017, In : Journal of the European Ceramic Society. 37, 9, p. 3177-3183 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Effect of molecular intercalation on the local structure of superconducting Nax(NH3)yMoSe2 system

Simonelli, L., Paris, E., Wakita, T., Marini, C., Terashima, K., Miao, X., Olszewski, W., Ramanan, N., Heinis, D., Kubozono, Y., Yokoya, T. & Saini, N. L., Dec 2017, In : Journal of Physics and Chemistry of Solids. 111, p. 70-74 5 p.

Research output: Contribution to journalArticle

Electronic structure of K-doped picene film on HOPG

Wakita, T., Okazaki, H., Jabuchi, T., Hamada, H., Muraoka, Y. & Yokoya, T., Feb 15 2017, In : Journal of Physics Condensed Matter. 29, 6, 064001.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Electronic structure of self-doped layered Eu3 F4Bi2 S4 material revealed by x-ray absorption spectroscopy and photoelectron spectromicroscopy

Paris, E., Sugimoto, T., Wakita, T., Barinov, A., Terashima, K., Kandyba, V., Proux, O., Kajitani, J., Higashinaka, R., Matsuda, T. D., Aoki, Y., Yokoya, T., Mizokawa, T. & Saini, N. L., Jan 30 2017, In : Physical Review B. 95, 3, 035152.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Evolution of Eu valence and superconductivity in layered Eu0.5La0.5FBiS2-xSex system

Mizuguchi, Y., Paris, E., Wakita, T., Jinno, G., Puri, A., Terashima, K., Joseph, B., Miura, O., Yokoya, T. & Saini, N. L., Feb 27 2017, In : Physical Review B. 95, 6, 064515.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Evolution of the remnant Fermi-surface state in the lightly doped correlated spin-orbit insulator Sr2-xLaxIrO4

Terashima, K., Sunagawa, M., Fujiwara, H., Fukura, T., Fujii, M., Okada, K., Horigane, K., Kobayashi, K., Horie, R., Akimitsu, J., Golias, E., Marchenko, D., Varykhalov, A., Saini, N. L., Wakita, T., Muraoka, Y. & Yokoya, T., Jul 7 2017, In : Physical Review B. 96, 4, 041106.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Inhomogeneous electronic states associated with charge-orbital order/disorder in BaV10O15 probed by photoemission spectromicroscopy

Yoshino, T., Wakita, K., Paris, E., Barinov, A., Kajita, T., Katsufuji, T., Kandyba, V., Sugimoto, T., Yokoya, T., Saini, N. L. & Mizokawa, T., 2017, In : Physical Review B. 96, 11

Research output: Contribution to journalArticle

2 Citations (Scopus)

The electronic structure of Ag1-: XSn1+ xSe2 (x = 0.0, 0.1, 0.2, 0.25 and 1.0)

Wakita, T., Paris, E., Kobayashi, K., Terashima, K., Hacisalihoǧlu, M. Y., Ueno, T., Bondino, F., Magnano, E., Píš, I., Olivi, L., Akimitsu, J., Muraoka, Y., Yokoya, T. & Saini, N. L., 2017, In : Physical Chemistry Chemical Physics. 19, 39, p. 26672-26678 7 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Unusual upper critical field behavior in Nb-doped bismuth selenides

Kobayashi, K., Ueno, T., Fujiwara, H., Yokoya, T. & Akimitsu, J., May 16 2017, In : Physical Review B. 95, 18, 180503.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2016

Bulk sensitive angle-resolved photoelectron spectroscopy on Nd(O,F)BiS2

Terashima, K., Sonoyama, J., Sunagawa, M., Fujiwara, H., Nagayama, T., Muro, T., Nagao, M., Watauchi, S., Tanaka, I., Okazaki, H., Takano, Y., Mizuguchi, Y., Usui, H., Suzuki, K., Kuroki, K., Wakita, T., Muraoka, Y. & Yokoya, T., Feb 5 2016, In : Journal of Physics: Conference Series. 683, 1, 012003.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Comparative ARPES studies of LaOxF1-xBiS2 (x = 0.23 and 0.46)

Terashima, K., Wakita, T., Sunagawa, M., Fujiwara, H., Nagayama, T., Ono, K., Kumigashira, H., Nagao, M., Watauchi, S., Tanaka, I., Okazaki, H., Takano, Y., Mizuguchi, Y., Usui, H., Kuroki, K., Muraoka, Y. & Yokoya, T., Feb 5 2016, In : Journal of Physics: Conference Series. 683, 1, 012002.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Determination of the local structure of CsBi4-: XPbxTe6 (x = 0, 0.5) by X-ray absorption spectroscopy

Wakita, T., Paris, E., Mizokawa, T., Hacisalihoǧlu, M. Y., Terashima, K., Okazaki, H., Proux, O., Kieffer, I., Lahera, E., Del Net, W., Olivi, L., Takano, Y., Muraoka, Y., Yokoya, T. & Saini, N. L., 2016, In : Physical Chemistry Chemical Physics. 18, 36, p. 25136-25142 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Emergence of superconductivity in (NH3)y MxMoSe2 (M: Li, Na and K)

Miao, X., Nishiyama, S., Zheng, L., Goto, H., Eguchi, R., Ota, H., Kambe, T., Terashima, K., Yokoya, T., Nguyen, H. T. L., Kagayama, T., Hirao, N., Ohishi, Y., Ishii, H., Liao, Y. F. & Kubozono, Y., Jul 11 2016, In : Scientific Reports. 6, 29292.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Local electronic state in the half-metallic ferromagnet CrO2 investigated by site-selective Cr 53 NMR measurements

Takeda, H., Shimizu, Y., Kobayashi, Y., Itoh, M., Jin-No, T., Isobe, M., Ueda, Y., Yoshida, S., Muraoka, Y. & Yokoya, T., Jun 15 2016, In : Physical Review B - Condensed Matter and Materials Physics. 93, 23, 235129.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Observation of a hidden hole-like band approaching the fermi level in K-doped iron selenide superconductor

Sunagawa, M., Terashima, K., Hamada, T., Fujiwara, H., Fukura, T., Takeda, A., Tanaka, M., Takeya, H., Takano, Y., Arita, M., Shimada, K., Namatame, H., Taniguchi, M., Suzuki, K., Usui, H., Kuroki, K., Wakita, T., Muraoka, Y. & Yokoya, T., Jul 15 2016, In : Journal of the Physical Society of Japan. 85, 7, 073704.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Observation of intrinsic half-metallic behavior of CrO2 (100) epitaxial films by bulk-sensitive spin-resolved PES

Fujiwara, H., Sunagawa, M., Terashima, K., Kittaka, T., Wakita, T., Muraoka, Y. & Yokoya, T., Aug 5 2016, (Accepted/In press) In : Journal of Electron Spectroscopy and Related Phenomena.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Preparation of TaO2 thin films using NbO2 template layers by a pulsed laser deposition technique

Muraoka, Y., Fujimoto, Y., Kameoka, M., Matsuura, Y., Sunagawa, M., Terashima, K., Wakita, T. & Yokoya, T., Jan 29 2016, In : Thin Solid Films. 599, p. 125-132 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Temperature dependent local atomic displacements in ammonia intercalated iron selenide superconductor

Paris, E., Simonelli, L., Wakita, T., Marini, C., Lee, J. H., Olszewski, W., Terashima, K., Kakuto, T., Nishimoto, N., Kimura, T., Kudo, K., Kambe, T., Nohara, M., Yokoya, T. & Saini, N. L., Jun 9 2016, In : Scientific Reports. 6, 27646.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2015

Comparative ARPES study on iron-platinum-arsenide superconductor Ca10(Pt4As8)(Fe2-xPtxAs2)5 (x = 0.25 and 0.42)

Sunagawa, M., Yoshida, R., Ishiga, T., Tsubota, K., Jabuchi, T., Sonoyama, J., Kakiya, S., Mitsuoka, D., Kudo, K., Nohara, M., Ono, K., Kumigashira, H., Oguchi, T., Wakita, T., Muraoka, Y. & Yokoya, T., May 15 2015, In : journal of the physical society of japan. 84, 5, 055001.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Intrinsic spin polarized electronic structure of CrO2 epitaxial film revealed by bulk-sensitive spin-resolved photoemission spectroscopy

Fujiwara, H., Sunagawa, M., Terashima, K., Kittaka, T., Wakita, T., Muraoka, Y. & Yokoya, T., May 18 2015, In : Applied Physics Letters. 106, 20, 202404.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Signature of high T c above 25 K in high quality superconducting diamond

Okazaki, H., Wakita, T., Muro, T., Nakamura, T., Muraoka, Y., Yokoya, T., Kurihara, S. I., Kawarada, H., Oguchi, T. & Takano, Y., Feb 2 2015, In : Applied Physics Letters. 106, 5, 052601.

Research output: Contribution to journalArticle

37 Citations (Scopus)

Superconductivity in aromatic hydrocarbons

Kubozono, Y., Goto, H., Jabuchi, T., Yokoya, T., Kambe, T., Sakai, Y., Izumi, M., Zheng, L., Hamao, S., Nguyen, H. L. T., Sakata, M., Kagayama, T. & Shimizu, K., Jul 15 2015, In : Physica C: Superconductivity and its applications. 514, p. 199-205 7 p.

Research output: Contribution to journalReview article

19 Citations (Scopus)
2014

Characteristic two-dimensional Fermi surface topology of high-Tc iron-based superconductors

Sunagawa, M., Ishiga, T., Tsubota, K., Jabuchi, T., Sonoyama, J., Iba, K., Kudo, K., Nohara, M., Ono, K., Kumigashira, H., Matsushita, T., Arita, M., Shimada, K., Namatame, H., Taniguchi, M., Wakita, T., Muraoka, Y. & Yokoya, T., Mar 14 2014, In : Scientific reports. 4, 4381.

Research output: Contribution to journalArticle

12 Citations (Scopus)