石井 康之

  • 354 引用
  • 9 h指数
20002019
Pureに変更を加えた場合、すぐここに表示されます。

研究成果 2000 2019

  • 354 引用
  • 9 h指数
  • 53 Article
  • 1 Conference contribution
  • 1 Conference article
2019

Magnetic study of the lower critical field of organic superconductor λ-(Bets)2gacl4

Sari, D. P., Hiraki, K. I., Nakano, T., Hagiwara, M., Nozue, Y., Kusakawa, T., Hori, A., Yamamoto, A., Watanabe, I. & Ishii, Y., 2019 1 1, Functional Properties of Modern Materials II. Kurniawan, B., Nugroho, A. A., Darminto, Watanabe, I. & Risdiana (版). Trans Tech Publications Ltd, p. 296-301 6 p. (Materials Science Forum; 巻数 966 MSF).

研究成果: Conference contribution

Demagnetization
organic superconductors
Magnetic variables measurement
Needles
Superconducting materials
2018
1 引用 (Scopus)

Synthesis of REBa2Cu3O7-∂ (RE=Nd, Eu, Gd) Nanoparticles by Wet-Mixing Method

Suharta, W. G., Suardana, P., Windaryoto, W., Pratapa, S., Suasmoro, S., Darminto, D., Ishii, Y. & Isao, W., 2018 9 20, : : Journal of Physics: Conference Series. 1091, 1, 012027.

研究成果: Conference article

nanoparticles
synthesis
lattice parameters
sintering
crystals
2 引用 (Scopus)

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 1 1, : : Journal of the Physical Society of Japan. 87, 6, 064701.

研究成果: Article

retraining
interactions
magnetic fields
magnetization
moments
2017
1 引用 (Scopus)

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 5 20, : : IOP Conference Series: Materials Science and Engineering. 196, 1, 012047.

研究成果: Article

Relaxation time
Superconducting materials
Superconducting transition temperature
Anions
Volume fraction
2016
1 引用 (Scopus)

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 2 15, : : Journal of the Physical Society of Japan. 85, 2, e024710.

研究成果: Article

muon spin rotation
magnetization
muons
transition temperature
nuclear magnetic resonance
2015
12 引用 (Scopus)

Universality class of the Mott transition

Abdel-Jawad, M., Kato, R., Watanabe, I., Tajima, N. & Ishii, Y., 2015 3 11, : : Physical Review Letters. 114, 10, 106401.

研究成果: Article

conductivity
pressure dependence
conductors
insulators
exponents
5 引用 (Scopus)
muon spin rotation
precession
magnetization
muons
interlayers
2014
4 引用 (Scopus)

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 7 15, : : Journal of the Physical Society of Japan. 83, 7, 074707.

研究成果: Article

muons
inhomogeneity
magnetic fields
transition temperature
temperature
1 引用 (Scopus)

Gradual evolution in spin dynamics of TlCu1-xMg xCl3 probed by muon-spin-relaxation (μSR) technique

Suzuki, T., Watanabe, I., Yamada, F., Ishii, Y., Ohishi, K., Goto, T. & Tanaka, H., 2014, : : Journal of Physics: Conference Series. 502, 1, 012041.

研究成果: Article

spin dynamics
muons
relaxation time
magnetic properties
impurities
2013
6 引用 (Scopus)
Spin glass
Freezing
spin glass
freezing
muons
2012
5 引用 (Scopus)

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 7 27, : : Physical Review B - Condensed Matter and Materials Physics. 86, 1, 014522.

研究成果: Article

Hole concentration
muons
Substitution reactions
Fermi liquids
Spin glass
2 引用 (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, : : Unknown Journal. 30, p. 275-278 4 p.

研究成果: Article

muons
substitutes
spin dynamics
cuprates
superconductivity
1 引用 (Scopus)

Flux-line lattice state in FeAs-based superconductor KFe2As 2

Ohishi, K., Ishii, Y., Watanabe, I., Fukazawa, H., Saito, T., Kohori, Y., Kihou, K., Lee, C. H., Kito, H., Iyo, A. & Eisaki, H., 2012, : : Journal of Physics: Conference Series. 400, PART 2, 022087.

研究成果: Article

muon spin rotation
penetration
vortices
iron
temperature dependence
2 引用 (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 9, : : Journal of the Physical Society of Japan. 81, SUPPL.B, SB046.

研究成果: Article

penetration
muon spin rotation
vortices
iron
temperature dependence
29 引用 (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 6, : : Journal of the Physical Society of Japan. 81, 6, 063706.

研究成果: Article

muons
magnets
ground state
frustration
spin dynamics
2011
3 引用 (Scopus)
Ground state
muons
Impurities
Magnetic fields
impurities
2 引用 (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 2, : : Journal of the Physical Society of Japan. 80, 2, 024703.

研究成果: Article

muons
iron
spin dynamics
Fermi surfaces
superconductivity

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 9 1, : : Transactions of the Materials Research Society of Japan. 36, p. 305-308

研究成果: Article

1 引用 (Scopus)

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 11 28, : : Polyhedron. 30, 18, p. 3137-3139 3 p.

研究成果: Article

Charge transfer
Phase transitions
charge transfer
Spectroscopy
spectroscopy
2010
4 引用 (Scopus)

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 12, : : Physica C: Superconductivity and its Applications. 470, SUPPL.1

研究成果: Article

Organic conductors
Pressure effects
Hydrostatic pressure
pressure effects
hydrostatic pressure
5 引用 (Scopus)

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, : : Journal of Physics: Conference Series. 225, 012003.

研究成果: Article

muons
temperature
spin dynamics
depolarization
crossovers
2 引用 (Scopus)

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 9 29, : : Physical Review B - Condensed Matter and Materials Physics. 82, 9, 094447.

研究成果: Article

Spin dynamics
spin dynamics
muons
Spin fluctuations
Glass

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 7 1, : : 12th International Conference on Nuclear Microprobe Technology and Applications, Book of Abstracts. p. 40

研究成果: Article

2 引用 (Scopus)

Pressure effect on magnetic ground states in Tl(Cu1-xMg x)Cl3 with x = 0.015 probed by muon-spin-rotation

Suzuki, T., Watanabe, I., Yamada, F., Ishii, Y., Ohishi, K., Risdiana, Goto, T. & Tanaka, H., 2010, : : Journal of Physics: Conference Series. 200, SECTION 2, 022061.

研究成果: Article

muon spin rotation
pressure effects
ground state
hydrostatic pressure
crossovers
2 引用 (Scopus)

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, : : Journal of Physics: Conference Series. 225, 012054.

研究成果: Article

muon spin rotation
muons
precession
hydrostatic pressure
low pressure
1 引用 (Scopus)

Zero field- and longitudinal field-μSR studies of quasi-one-dimensional organic conductor, TMTTF 2PF 6

Ishii, Y., Nagasawa, M., Suzuki, T., Watanabe, I., Matsuzaki, T., Yamamoto, H. M. & Kato, R., 2010 6 1, : : Physica B: Condensed Matter. 405, 11 SUPPL.

研究成果: Article

Organic conductors
Depolarization
Superconducting transition temperature
conductors
muons
2009
4 引用 (Scopus)

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 7, : : Journal of the Physical Society of Japan. 78, 7, 073708.

研究成果: Article

superconductivity
magnetic fields
thulium
magnetic measurement
magnetic properties

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 4 15, : : Physica B: Condensed Matter. 404, 5-7, p. 740-742 3 p.

研究成果: Article

Magnetism
Superconductivity
Superconducting materials
muons
Thulium
7 引用 (Scopus)

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 4 15, : : Physica B: Condensed Matter. 404, 5-7, p. 993-995 3 p.

研究成果: Article

muons
Gases
gases
cryostats
Helium
8 引用 (Scopus)
muon spin rotation
Impurities
impurities
muons
precession

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 4 15, : : Physica B: Condensed Matter. 404, 5-7, p. 801-803 3 p.

研究成果: Article

Tungsten
Bronze
bronzes
Hydrogen
muons
2008
13 引用 (Scopus)

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 6 16, : : Inorganic Chemistry. 47, 12, p. 5495-5502 8 p.

研究成果: Article

Electronic states
Organometallics
Gold
Metal insulator boundaries
Electric properties
4 引用 (Scopus)
Dimers
Phase transitions
dimers
Hydrostatic pressure
moments
2007
22 引用 (Scopus)
superconductivity
salts
ground state
valence
thiols
4 引用 (Scopus)
Salts
salts
magnetic permeability
Magnetic susceptibility
Ground state
2006
Magnetoresistance
Hydrostatic pressure
Superconducting materials
Superconducting transition temperature
interlayers

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 2, : : Journal of Low Temperature Physics. 142, 3-4, p. 551-554 4 p.

研究成果: Article

organic superconductors
Superconducting materials
salts
electrical resistivity
electrons
2 引用 (Scopus)

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 2, : : Journal of Low Temperature Physics. 142, 3-4, p. 417-420 4 p.

研究成果: Article

Band structure
Cations
conductors
Crystal structure
Positive ions
2005
18 引用 (Scopus)

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 12 8, : : Journal of Alloys and Compounds. 404-406, SPEC. ISS., p. 247-251 5 p.

研究成果: Article

Vacancies
Hydrogen
Crystal lattices
Temperature
3 引用 (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 9 20, : : Synthetic Metals. 152, 1-3, p. 389-392 4 p.

研究成果: Article

Hydrostatic pressure
hydrostatic pressure
conductors
Salts
salts
7 引用 (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 5, : : Journal of the Physical Society of Japan. 74, 5, p. 1370-1373 4 p.

研究成果: Article

superconductivity
insulators
salts
electrical resistivity
anvils
6 引用 (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 9 21, : : Synthetic Metals. 153, 1-3, p. 425-428 4 p.

研究成果: Article

Cations
Salts
Positive ions
salts
cations
2004
1 引用 (Scopus)

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 6, : : Journal of Magnetism and Magnetic Materials. 277, 1-2, p. 60-63 4 p.

研究成果: Article

Magnetization
Physical properties
physical properties
magnetization
Atoms
2003
21 引用 (Scopus)

Ferromagnetism induced in UCoAl under uniaxial pressure

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

研究成果: Article

Ferromagnetism
ferromagnetism
Magnetism
Hydrostatic pressure
hydrostatic pressure