Organic superconductor with an incommensurate anion structure : (MDT-TSF)(AuI2)0.44
Organic superconductor with an incommensurate anion structure : (MDT-TSF)(AuI2)0.44
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具有不通约阴离子结构的有机超导体：(MDT-TSF)(AuI2)0.44
DOI：
10.1103/physrevb.65.140508
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发表时间：
2002
影响因子：
3.7
通讯作者：
T. Otsubo
中科院分区：
文献类型：
--
作者：
T. Kawamoto;Takehiko Mori;K. Takimiya;Yoshiro Kataoka;Y. Aso;T. Otsubo
研究了有机超导体（MDT TSF）（AuI 2）x（MDT TSF：亚甲基二硫代四硒富瓦烯）的电荷转移程度和上临界场. X射线振荡照片表明，阴离子晶格与施主晶格是不公度的，化学组成为（MDT TSF）（AuI 2）0 . 4 4 .该盐的电荷转移度为0.44。电阻率和塞贝克系数表明，该盐是一个良好的费米液体超导转变温度以上。上临界场虽然具有复杂的无公度结构，但仍表现出各向异性的三维特征，并且在各个方向上都在Clogston-Eschrasekhar顺磁极限之内。
The degree of charge transfer and the upper critical field of the organic superconductor (MDT-TSF)(AuI 2 ) x have been investigated (MDT-TSF: methylenedithio-tetraselenafulvalene). The x-ray oscillation photograph indicates that the anion lattice is incommensurate with the donor lattice, and the chemical composition is (MDT-TSF)( AuI 2 ) 0 . 4 4 . The charge-transfer degree of this salt is 0.44. The electrical resistivity and the Seebeck coefficient indicate that this salt is a good Fermi liquid above the superconducting transition temperature. The upper critical fields show anisotropic three-dimensional character in spite of the complicated incommensurate structure, and are within the Clogston-Chandrasekhar paramagnetic limit in all directions.