Yasuyuki Ishii

Professor

  • 372 Citations
  • 9 h-Index
20002019

Research output per year

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Research Output

  • 372 Citations
  • 9 h-Index
  • 48 Article
  • 6 Conference article
  • 1 Conference contribution
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Article
2000

Formation of superabundant vacancies in Pd-H alloys

Fukai, Y., Ishii, Y., Goto, Y. & Watanabe, K., 2000 Dec 15, In : Journal of Alloys and Compounds. 313, 1-2, p. 121-132 12 p.

Research output: Contribution to journalArticle

88 Citations (Scopus)
2001

Hydrogen-induced superabundant vacancies and diffusion enhancement in some FCC metals

Fukai, Y., Haraguchi, T., Hayashi, E., Ishii, Y., Kurokawa, Y. & Yanagawa, J., 2001, In : Defect and Diffusion Forum. 194-199 PART 2, p. 1063-1068 6 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)
2002

Ferromagnetism induced in UCoAl by uniaxial pressure

Sechovský, V., Andreev, A. V., Ishii, Y., Kosaka, M. & Uwatoko, Y., 2002 Apr 1, In : High Pressure Research. 22, 1, p. 155-158 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2003

Ferromagnetism induced in UCoAl under uniaxial pressure

Ishii, Y., Kosaka, M., Uwatoko, Y., Andreev, A. V. & Sechovský, V., 2003 Jan 1, In : Physica B: Condensed Matter. 334, 1-2, p. 160-166 7 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2004

High-field magnetization and other physical properties of Ce 2T3X5 compounds (T=Pd, Rh and Cu; X=Si and A1)

Ishii, Y., Kosaka, M., Abe, H., Kitazawa, H., Kido, G. & Uwatoko, Y., 2004 Jun 1, In : Journal of Magnetism and Magnetic Materials. 277, 1-2, p. 60-63 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2005

A relation between the vacancy concentration and hydrogen concentration in the Ni-H, Co-H and Pd-H systems

Harada, S., Yokota, S., Ishii, Y., Shizuku, Y., Kanazawa, M. & Fukai, Y., 2005 Dec 8, In : Journal of Alloys and Compounds. 404-406, SPEC. ISS., p. 247-251 5 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Effect of hydrostatic pressure on molecular conductors, Pd(dmit) 2 salts

Ishii, Y., Tamura, M., Kato, R., Hedo, M., Uwatoko, Y. & Môri, N., 2005 Sep 20, In : Synthetic Metals. 152, 1-3, p. 389-392 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

High-pressure study up to 9.9 GPa of organic Mott insulator, β′-(BEDT-TTF)2AuCl2

Taniguchi, H., Miyashita, M., Uchiyama, K., Sato, R., Ishii, Y., Satoh, K., Môri, N., Hedo, M. & Uwatoko, Y., 2005 May 1, In : Journal of the Physical Society of Japan. 74, 5, p. 1370-1373 4 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Structures and electrical conductivities of cation radical salts based on unsymmetrical [Au(III)(C-N)(S-S)] type dithiolate complexes

Kubo, K., Nakao, A., Ishii, Y., Kato, R. & Matsubayashi, G. E., 2005 Sep 21, In : Synthetic Metals. 153, 1-3, p. 425-428 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2006

An interlayer magnetoresistance peak effect below the superconducting transition temperature in Et 2Me 2 P[Pd(dmit) 2] 2

Ishii, Y., Tajima, N., Tamura, M. & Kato, R., 2006 Feb 1, In : Journal of Low Temperature Physics. 142, 3-4, p. 515-518 4 p.

Research output: Contribution to journalArticle

High-pressure study of a doped-type organic superconductor, κ-(BEDT-TTF) 4Hg 2.89Br 8

Okuhata, T., Nagai, T., Taniguchi, H., Satoh, K., Itou, T., Shimizu, Y., Miyagawa, K., Ishii, Y., Tajima, N. & Kato, R., 2006 Feb 1, In : Journal of Low Temperature Physics. 142, 3-4, p. 551-554 4 p.

Research output: Contribution to journalArticle

Two electrically different molecular conductors based on unsymmetrical Au(III)-Dithiolene complexes with similar crystal structures

Kubo, K., Nakao, A., Ishii, Y., Tamura, M., Kato, R. & Matsubayashi, G. E., 2006 Feb 1, In : Journal of Low Temperature Physics. 142, 3-4, p. 417-420 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2007

Magnetic study of pressure-induced superconductivity in the [Pd(dmit) 2] salt with spin-gapped ground state

Ishii, Y., Tamura, M. & Kato, R., 2007 Mar 1, In : Journal of the Physical Society of Japan. 76, 3, 033704.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Magnetic study of quantum triangular antiferromagnet [Pd(dmit)2 ] salts under pressure

Tamura, M., Ishii, Y. & Kato, R., 2007 Apr 11, In : Journal of Physics Condensed Matter. 19, 14, 145239.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2008

Electrical properties and electronic states of molecular conductors based on unsymmetrical organometallic-dithiolene gold(III) complexes

Kubo, K., Nakao, A., Ishii, Y., Yamamoto, T., Tamura, M., Kato, R., Yakushi, K. & Matsubayashi, G. E., 2008 Jun 16, In : Inorganic Chemistry. 47, 12, p. 5495-5502 8 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Pressure-induced reentrant oblique antiferromagnetic phase in the spin-dimer system TlCuCl3

Yamada, F., Ishii, Y., Suzuki, T., Matsuzaki, T. & Tanaka, H., 2008 Dec 1, In : Physical Review B - Condensed Matter and Materials Physics. 78, 22, 224405.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2009

Coexistence of superconductivity and magnetism in the Tm-based reentrant superconductor TmsRhôSnis

Kase, N., Akimitsu, J., Ishii, Y., Suzuki, T., Watanabe, I., Miyazaki, M., Hiraishi, M., Takeshita, S. & Kadono, R., 2009 Jul 1, In : Journal of the Physical Society of Japan. 78, 7, 073708.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Coexistence of superconductivity and magnetism in the Tm-based superconductor probed by muon spin relaxation

Kase, N., Akimitsu, J., Ishii, Y., Suzuki, T., Watanabe, I., Miyazaki, M., Hiraishi, M., Takeshita, S. & Kadono, R., 2009 Apr 15, In : Physica B: Condensed Matter. 404, 5-7, p. 740-742 3 p.

Research output: Contribution to journalArticle

Development of a gas-pressurized high-pressure μSR setup at the RIKEN-RAL Muon Facility

Watanabe, I., Ishii, Y., Kawamata, T., Suzuki, T., Pratt, F. L., Done, R., Chowdhury, M., Goodway, C., Dreyer, J., Smith, C. & Southern, M., 2009 Apr 15, In : Physica B: Condensed Matter. 404, 5-7, p. 993-995 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Evidence for continuous change of spin states between impurity-induced order and pressure-induced order in TlCu0.985 Mg0.015 Cl3 probed via muon spin rotation

Suzuki, T., Watanabe, I., Yamada, F., Ishii, Y., Ohishi, K., Risdiana, Goto, T. & Tanaka, H., 2009 Aug 13, In : Physical Review B - Condensed Matter and Materials Physics. 80, 6, 064407.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Micro-Nano Lithography by MeV Ion Beam Writing

Takano, K., Satoh, T., Ishii, Y., Kamiya, T., Ohkubo, T., Sugimoto, M., Koka, M., Nishikawa, H. & Seki, S., 2009 Sep 1, In : Proceedings of the 16th International Conference on Surface Modification of Materials by Ion Beams (SMMIB2009-September 13-18, 2009).

Research output: Contribution to journalArticle

Muon spin relaxation in hydrogen tungsten bronze

Mihara, M., Shimomura, K., Watanabe, I., Ishii, Y., Suzuki, T., Kawamata, T., Komurasaki, J., Nishimura, D., Nishiyama, K., Kadono, R., Takai, S. & Nakano, T., 2009 Apr 15, In : Physica B: Condensed Matter. 404, 5-7, p. 801-803 3 p.

Research output: Contribution to journalArticle

2010

Completely hydrostatic pressure effect of anisotropic resistivity in the 1-D organic conductor (TMTTF)2SbF6

Itoi, M., Ishii, Y., Takekoshi, S., Kitano, H., Matsubayashi, K., Uwatoko, Y. & Nakamura, T., 2010 Dec 1, In : Physica C: Superconductivity and its applications. 470, SUPPL.1, p. S594-S595

Research output: Contribution to journalArticle

4 Citations (Scopus)

Controlling Spatial Curing Reactions of Epoxy Resin Systems on Ion Beam Writing

Takano, K., Satoh, T., Koka, M., Kamiya, T., Ishii, Y., Ohkubo, T., Sugimoto, M., Nishikawa, H. & Seki, S., 2010 Jul 1, In : 12th International Conference on Nuclear Microprobe Technology and Applications, Book of Abstracts. p. 173

Research output: Contribution to journalArticle

Field and temperature dependent charge transport characteristics in regio-regular Poly(3-octylthiophene-2,5-diyl) studied by Muon Spin relaxation

Risdiana, Fitrilawati, Siregar, R. E., Hidayat, R., Nugroho, A. A., Tjia, M. O., Ishii, Y. & Watanabe, I., 2010 Jan 1, In : Journal of Physics: Conference Series. 225, 012003.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Local Nano-processing of Epoxy Resin Systems by Single Ion Hits with Writing

Takano, K., Satoh, T., Ishii, Y., Kamiya, T., Ohkubo, T., Koka, M., Sugimoto, M., Seki, S. & Nishikawa, H., 2010 Jul 1, In : 12th International Conference on Nuclear Microprobe Technology and Applications, Book of Abstracts. p. 133

Research output: Contribution to journalArticle

Low-energy spin dynamics in randomness-introduced spin-gap systems

Suzuki, T., Yamada, F., Yamada, M., Kawamata, T., Ishii, Y., Watanabe, I., Goto, T. & Tanaka, H., 2010 Sep 29, In : Physical Review B - Condensed Matter and Materials Physics. 82, 9, 094447.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Microbeam Complex in TIARA: Technologies to Meet Wide Range of Applications

Kamiya, T., Takano, K., Satoh, T., Ishii, Y., Okumura, S., Nishikawa, H., Seki, S., Sugimoto, M., Yokota, W. & Fukuda, M., 2010 Jul 1, In : 12th International Conference on Nuclear Microprobe Technology and Applications, Book of Abstracts. p. 40

Research output: Contribution to journalArticle

Pressure-induced new magnetic phase in Tl(Cu0.985Mg 0.015)Cl3 probed by muon spin rotation

Suzuki, T., Watanabe, I., Yamada, F., Yamada, M., Ishii, Y., Kawamata, T., Goto, T. & Tanaka, H., 2010, In : Journal of Physics: Conference Series. 225, 012054.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Zero field- and longitudinal field-μSR studies of quasi-one-dimensional organic conductor, TMTTF2PF6

Ishii, Y., Nagasawa, M., Suzuki, T., Watanabe, I., Matsuzaki, T., Yamamoto, H. M. & Kato, R., 2010 Jun 1, In : Physica B: Condensed Matter. 405, 11 SUPPL., p. S98-S100

Research output: Contribution to journalArticle

1 Citation (Scopus)
2011

Change in magnetic ground states in nonmagnetic-impurity-doped spin-gap systems TlCu1-xMgxCl3 using muon spin relaxation

Suzuki, T., Yamada, M., Ishii, Y., Watanabe, I., Goto, T., Tanaka, H. & Kubo, K., 2011 May 23, In : Physical Review B - Condensed Matter and Materials Physics. 83, 17, 174436.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Fast spin fluctuation viewed by muon spin relaxation in optimally doped and overdoped iron-based oxypnictide superconductors LaFeAsO1-xF x

Ohishi, K., Ishii, Y., Miyazawa, K., Fukazawa, H., Watanabe, I., Kohori, Y., Shirage, P. M., Kito, H., Iyo, A. & Eisaki, H., 2011 Feb 1, In : Journal of the Physical Society of Japan. 80, 2, 024703.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Nano-micro Processing of Epoxy Resin Systems by Ion Beam Lithography with Multiple Energies and Species

Takano, K., Satoh, T., Ishii, Y., Koka, M., Kamiya, T., Ohkubo, T., Sugimoto, M., Nishikawa, H. & Seki, S., 2011 Sep 1, In : Transactions of the Materials Research Society of Japan. 36, p. 305-308

Research output: Contribution to journalArticle

Study on the pressure induced charge transfer phase transition in (C 5H11)4N(FeIIFeIII(C 2O2S2)3) by means of μsR spectroscopy

Enomoto, M., Kida, N., Kojima, N., Watanabe, I., Suzuki, T. & Ishii, Y., 2011 Nov 28, In : Polyhedron. 30, 18, p. 3137-3139 3 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2012

Distinct Fe-induced magnetic states in the underdoped and overdoped regimes of La 2-xSr xCu 1-yFe yO 4 revealed by muon spin relaxation

Suzuki, K. M., Adachi, T., Tanabe, Y., Sato, H., Koike, Y., Risdiana, Ishii, Y., Suzuki, T. & Watanabe, I., 2012 Jul 27, In : Physical Review B - Condensed Matter and Materials Physics. 86, 1, 014522.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Fe-substitution Effects on the Cu-spin Correlation in La2-xSrxCu1-yFeyO4 Studied by Muon Spin Relaxation

Suzuki, K., Adachi, T., Tanabe, Y., Sato, H., Risdiana, Ishii, Y., Suzuki, T., Watanabe, I. & Koike, Y., 2012, In : Unknown Journal. 30, p. 275-278 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Magnetic penetration depth in the FeAs-based superconductor KFe 2As2

Ohishi, K., Ishii, Y., Watanabe, I., Fukazawa, H., Saito, T., Kohori, Y., Kihou, K., Lee, C. H., Kito, H., Iyo, A. & Eisaki, H., 2012 Sep 1, In : Journal of the Physical Society of Japan. 81, SUPPL.B, SB046.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Microscopic phase separation in triangular-lattice quantum spin magnetκ-(BEDT-TTF) 2Cu 2(CN) 3 probed by muon spin relaxation

Nakajima, S., Suzuki, T., Ishii, Y., Ohishi, K., Watanabe, I., Goto, T., Oosawa, A., Yoneyama, N., Kobayashi, N., Pratt, F. L. & Sasaki, T., 2012 Jun 1, In : Journal of the Physical Society of Japan. 81, 6, 063706.

Research output: Contribution to journalArticle

30 Citations (Scopus)
2013

Muon spin relaxation study of spin-glass freezing in the Heusler compound Ru1.9Fe0.1CrSi

Hiroi, M., Hisamatsu, T., Suzuki, T., Ohishi, K., Ishii, Y. & Watanabe, I., 2013 Jul 12, In : Physical Review B - Condensed Matter and Materials Physics. 88, 2, 024409.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2014

Development of spatial inhomogeneity of internal magnetic field above Tcin Bi2Sr2Ca1-xYxCu2O8+δ Observed by longitudinal-field muon Spin relaxation 074707

Tanabe, Y., Adachi, T., Suzuki, K. M., Akoshima, M., Heguri, S., Kawamata, T., Ishii, Y., Suzuki, T., Watanabe, I. & Koike, Y., 2014 Jul 15, In : Journal of the Physical Society of Japan. 83, 7, 074707.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2015

Universality class of the Mott transition

Abdel-Jawad, M., Kato, R., Watanabe, I., Tajima, N. & Ishii, Y., 2015 Mar 11, In : Physical Review Letters. 114, 10, 106401.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Zero-field magnetism of a two-dimensional antiferromagnet, κ-(BEDT-TTF)2Cu[N(CN)2]Cl, determined by muon spin rotation and magnetization measurements

Ito, M., Uehara, T., Taniguchi, H., Satoh, K., Ishii, Y. & Watanabe, I., 2015 May 15, In : journal of the physical society of japan. 84, 5, 053703.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2016

Studies on magnetism of the layered organic antiferromagnet bordered on a superconducting phase by muon spin rotation and magnetization measurements

Uehara, T., Ito, M., Angel, J., Shimada, J., Komakine, N., Tsuchiya, T., Taniguchi, H., Satoh, K., Triyana, K., Ishii, Y. & Watanabe, I., 2016 Feb 15, In : Journal of the Physical Society of Japan. 85, 2, e024710.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

μsR Study of Organic Superconductor λ-(BETS)2GaCl4

Sari, D. P., Asih, R., Mohm-Tajudin, S. S., Adam, N., Hiraki, K., Ishii, Y., Takahashi, T., Nakano, T., Nozue, Y., Sulaiman, S., Mohamed-Ibrahim, M. I. & Watanabe, I., 2017 May 20, In : IOP Conference Series: Materials Science and Engineering. 196, 1, 012047.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2018

Zero-field spin structure and spin reorientations in layered organic antiferromagnet, κ-(BEDT-TTF)2Cu[N(CN)2]Cl, with dzyaloshinskii–moriya interaction

Ishikawa, R., Tsunakawa, H., Oinuma, K., Michimura, S., Taniguchi, H., Satoh, K., Ishii, Y. & Okamoto, H., 2018 Jan 1, In : Journal of the Physical Society of Japan. 87, 6, 064701.

Research output: Contribution to journalArticle

5 Citations (Scopus)