Superconductivity and field induced states in DMET-TSeF family

Author

Oshima, K. ; Okuno, Hirotsugu ; Kato, Kazuhiko ; Maruyama, Ryo ; Kato, Ryota ; Kdbayashi, A. ; Kobayashi, Hideo

Author_Institution

Okayama University

fYear

1994

fDate

24-29 July 1994

Firstpage

138

Lastpage

138

Abstract

Summary form only given. The magnetoresistance and magnetization measurements have been performed in (DMET-TSeF)/sub 2/X (X= AuI/sub 2/, AuBr/sub 2/, AuCl/sub 2/, Au(CN)/sub 2/, and I/sub 3/ .) family. All of them have quasi one-dimensional Fermi surfaces at room temperature. It has been found that two of them(X= AuI/sub 2/ and I/sub 3/) show superconductivity at ambient pressure below I K. It has been also found that AuI/sub 2/, AuBr/sub 2/, and AuCl/sub 2/ salts show the Field Induced Spin Density Wave(FISDW), AuI/sub 2/ and Aul/sub 2/ at ambient pressure and AuBr/sub 2/ under pressure. The observed magnetization oscillations are smaller than those observed in (TMTSF)/sub 2/CIO/sub 4/. We did not observe any magnetoresistance oscillation in superconducting I/sub 3/ salt up to 12 T. The Au(CN)/sub 2/ salt shows Shubnikov-de Haas oscillation indicating closed Fermi surface at the lowest temperature.

Keywords

Magnetization; Magnetoresistance; Performance evaluation; Physics; Solid state circuits; Superconducting magnets; Superconductivity; Temperature;

fLanguage

English

Publisher

ieee

Conference_Titel

Science and Technology of Synthetic Metals, 1994. ICSM '94. International Conference on

Conference_Location

Seoul, Korea

Type

conf

DOI

10.1109/STSM.1994.834891

Filename

834891