Anisotropy of Lower Critical Field in Organic Layered Superconductor λ-(BETS)2GaCl4

The lower critical field of type-II organic layered superconductor l-(BETS)2GaCl4 has been estimated by magnetic measurements. The demagnetization factor of a needle-like sample shape has been taken into account for the measurements by applying the external field, parallel and perpendicular to the c...

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Bibliographic Details
Published in:Key engineering materials 2020-08, Vol.860, p.137-141
Main Authors: Hiraki, Koichi, Nakano, Takehito, Kusakawa, Takumi, Hagiwara, Masayuki, Rui, Naito, Ishii, Yasuyuki, Watanabe, Isao, Hori, Akiko, Sari, Dita Puspita, Nozue, Yasuo
Format: Article
Language:English
Subjects:
Anisotropy
Critical field (superconductivity)
Demagnetization
Magnetic measurement
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Summary:The lower critical field of type-II organic layered superconductor l-(BETS)2GaCl4 has been estimated by magnetic measurements. The demagnetization factor of a needle-like sample shape has been taken into account for the measurements by applying the external field, parallel and perpendicular to the conducting plane. The lower critical field for the field parallel to the conducting plane is 5.5(2) G, in contrast with the previous studies. This allows us to discuss the anisotropy of lower critical field Hc1 in a quasi-two-dimensional organic layered superconductor l-(BETS)2GaCl4.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.860.137