Thermodynamic study of the melting transition in the vortex phase diagram of high purity YBa2Cu3O7-δ single crystals

被引：7
|
作者：
Deligiannis, K
Charalambous, M
Chaussy, J
Liang, R
Bonn, D
Hardy, WN
机构：
[1] CNRS, Ctr Rech Tres Basses Temp, F-38000 Grenoble, France
[2] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada
来源：
PHYSICA C | 2000年 / 341卷
关键词：
D O I：
10.1016/S0921-4534(00)00924-2
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present a thermodynamic study of high purity YBa2Cu3O7-delta single crystals, using a state of the art AC calorimetric set-up. Our sample exhibits a sharp vortex melting transition for a wide range of fields. This first order transition is confined in the H-T vortex phasediagram between two critical points. Close to these critical points we observe a new specific heat anomaly.
引用
收藏
页码：1329 / 1330
页数：2
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