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Journal Articles

$$mu$$SR study of an layered organic superconductor $$kappa$$-(BEDT-TTF)$$_4$$Hg$$_{2.89}$$Br$$_8$$

Sato, Kazuhiko*; Fujita, Hidemi*; Katayama, Kazuhiro*; Taniguchi, Hiromi*; Ito, Takashi; Oishi, Kazuki*; Higemoto, Wataru

Physica B; Condensed Matter, 404(5-7), p.597 - 599, 2009/04

https://doi.org/10.1016/j.physb.2008.11.122
 Times Cited Count：5 Percentile：21.31(Physics, Condensed Matter)

Zero-field muon spin relaxation and high-field transverse muon spin rotation have been measured for an organic superconductor $$kappa$$-(BEDT-TTF)$$_4$$Hg$$_{2.89}$$Br$$_8$$. No anomaly is found in zero-field relaxation spectrum at the superconducting transition temperature, 4.2 K. The muon Knight shift determined by transverse muon spin rotation at 6 T exhibits Curie-Weiss like behavior down to 2 K, whereas static magnetic susceptibility shows a peak around 30 K. The muon Knight shift does not scale with the magnetic susceptibility at low temperatures.

Journal Articles

$$mu$$SR study of an antiferromagnetic insulator (BEDT-TTF)(TCNQ)

Sato, Kazuhiko*; Fujita, Hidemi*; Sato, Ryosuke*; Taniguchi, Hiromi*; Higemoto, Wataru

Physica B; Condensed Matter, 374-375, p.102 - 105, 2006/03

https://doi.org/10.1016/j.physb.2005.11.026
 Times Cited Count：3 Percentile：17.95(Physics, Condensed Matter)

Zero-field $$mu$$SR measurements for an antiferromagnetic Mott insulator (BEDT-TTF)(TCNQ) were performed in order to study the microscopic magnetic properties of this organics. Slight increase of the relaxation rate is observed below 20K owing to the antiferromagnetic ordering of BEDT-TTF dimers, whereas clear muon precession signal is observed below 3K owing to the antiferromagnetic ordering of TCNQ. Below 3K, there exist at least two antiferromagnetic domains whose volume fractions changes with temperature.

Oral presentation

Fundamental isobar separation experiment for AMS based on Resonant Coherent Excitation

Matsubara, Akihiro*; Fujita, Natsuko; Ishii, Kunikazu*; Ogawa, Hidemi*; Miyake, Masayasu; Kokubu, Yoko

no journal, , 

no abstracts in English

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