Energy gap subharmonic in characteristics of YBa2Cu3O7-x microbridges

被引：0
|
作者：
Pogrebnyakov, AV
Levinsen, MT
Sheng, YK
Freltoft, T
机构：
[1] NIELS BOHR INST, HC ORSTED LAB, DK-2100 COPENHAGEN, DENMARK
[2] NKT RES CTR, DK-2605 BRBNDBY, DENMARK
来源：
FIZIKA NIZKIKH TEMPERATUR | 1996年 / 22卷 / 06期
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The microbridges formed in thin epitaxial YBa2Cu3O7-x films were investigated. The characterictics of the microbridges exhibited subharmonic gap structures corresponding to large (2 Delta(1) = 49 meV) and small (2 Delta(2) = 10.3 meV) components of the energy gap at T = 4.2 K. The appearance of the subharmonic gap structures is attributed to the phenomenon of Andreev reflection.
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页码：618 / 621
页数：4
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