Effective Field Study of Canted Antiferromagnetic Insulating Phase in Magnetic Organic Conductor [lamda]-(BETS)^sub 2^FeCl^sub 4^ through Specific Heat Measurement

The relationship between magnetism and superconductivity has been intensively studied by many researchers. The organic conductor ...-(BETS)2FeCl4 [BETS = bis(ethylenedithio)tetraselenafulvalene] undergoes a metal-insulator (M-I) transition with antiferromagnetic (AF) ordering under zero magnetic fie...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2016-02, Vol.85 (2), p.1
Main Authors: Shimada, Kazuo, Tajima, Naoya, Kajita, Koji, Nishio, Yutaka
Format: Article
Language:English
Subjects:
Field study
Magnetic fields
Magnetism
Phase transitions
Superconductivity
Superconductors
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Summary:The relationship between magnetism and superconductivity has been intensively studied by many researchers. The organic conductor ...-(BETS)2FeCl4 [BETS = bis(ethylenedithio)tetraselenafulvalene] undergoes a metal-insulator (M-I) transition with antiferromagnetic (AF) ordering under zero magnetic field. The magnetic field (...0H ~ 11 T) induces the transition from the insulating state to the metallic state and then to the superconducting state (...0H ~ 17 T). The origin and mechanism of the M-I transition accompanying AF ordering have not been clarified yet. In the present study, to investigate the origin and mechanism of the M-I and AF transitions in ...-(BETS)2FeCl4, we derived key information on these phase transitions by studying the effective magnetic field on an FeCl4 site through specific heat measurements under a magnetic field. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0031-9015
1347-4073