Metal-insulator transition in donor-acceptor type superconductor, (BETS)2(X2TCNQ)

Metal-insulator transition in donor-acceptor type superconductor, (BETS)2(X2TCNQ)
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供体-受体型超导体中的金属-绝缘体转变,(BETS)2(X2TCNQ)

DOI:
10.1016/s0379-6779(00)00915-2
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发表时间:
2001
期刊:
影响因子:
4.4
通讯作者:
Y. Iwasa
Y. Iwasa
中科院分区:
材料科学3区
文献类型:
--
作者:
R. Kondo;T. Hasegawa;S. Kagoshima;T. Mochida;Y. Iwasa

文献摘要

被引文献

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我们发现(BETS)2(Cl 2 TCNQ)在压力下变成超导体,在3.5kbar下的最大临界温度为1.3K.超导电性在较高的压力下消失,并被绝缘相取代。其具有较大晶胞参数的同构配合物(BETS)2(Br 2 TCNQ)在常压下于13 K发生金属-绝缘体转变。
We found that (BETS) 2 (Cl 2 TCNQ) becomes superconducting under pressure, showing a maximum critical temperature of 1.3 K at 3.5 kbar. The superconductivity disappears at higher pressures and is replaced by an insulating phase. Its isostructural complex with larger cell parameters,(BETS) 2 (Br 2 TCNQ), displays a metal-insulator transition at 13K under ambient pressure.