Low temperature magneto-transport properties of the I-AI6Ru quasicrystalline alloy

被引：1
|
作者：
De Medeiros, SN [1 ]
Machado, FLA [1 ]
Acioli, LH [1 ]
机构：
[1] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
来源：
FERROELECTRICS | 2004年 / 305卷
关键词：
quasicrystal; superconductivity; magnetoresitance; phase diagram;
D O I：
10.1080/00150190490462748
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magneto-transport properties of the I-Al6Ru alloy were investigated in a broad range of temperature (T), applied magnetic field (H), and the amplitude of the electrical current. Type II superconductivity was observed below 1.66 K with the transition to the superconducting state taking place in a broad range of T (deltaT(C) = 0.86 K). An Abrikosov to a vortex-liquid phase line was also observed and the data were nicely fitted to a de Almeida-Thouless line, H-C(T) = H-C(0)[1 - T-C (H)/T-C(0)](phi)/2, yielding phi = 3, H-C(0) = 140 mT and T-C (0) = 0.83 K. The influence of the DOS on deltaT(C) is also addressed in this work.
引用
收藏
页码：193 / 198
页数：6
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