The title material, where TMEO-ST-TTP is 2-[4,5-bis(methylthio)-1,3-diselenol-2-ylidene)-5-(4,5-ethylendioxy-1,3-dithiol-2-ylidene)-1,3,4,6-tetrathiapentalene, shows metallic conducting behavior down to 4.2 K. X-Ray structure analysis reveals it has the beta-type array of donors in the BEDT-TTF salts. A tight-binding band calculation suggests the present salt has a quasi-one-dimensional Fermi surface.
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Osaka City Univ, Dept Mat Sci, Grad Sch Sci, Sumiyoshi Ku, Osaka 5588585, JapanOsaka City Univ, Dept Mat Sci, Grad Sch Sci, Sumiyoshi Ku, Osaka 5588585, Japan
Kobayashi, K.
Yasuzuka, S.
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机构:Osaka City Univ, Dept Mat Sci, Grad Sch Sci, Sumiyoshi Ku, Osaka 5588585, Japan
Yasuzuka, S.
Nakanishi, T.
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Nakanishi, T.
Yokogawa, K.
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Yokogawa, K.
Nishikawa, H.
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Nishikawa, H.
Yoshino, H.
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Yoshino, H.
Murata, Keizo
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机构:Osaka City Univ, Dept Mat Sci, Grad Sch Sci, Sumiyoshi Ku, Osaka 5588585, Japan