OPTICAL ANISOTROPY OF YBA2CU3O7-DELTA FILMS ON NDGAO3(001) SUBSTRATES - A COMPARISON WITH SINGLE DOMAIN CRYSTALS

被引：12
|
作者：
ZIBOLD, A
WIDDER, K
GESERICH, HP
SCHERER, T
MARIENHOFF, P
NEUHAUS, M
JUTZI, W
ERB, A
MULLERVOGT, G
机构：
[1] UNIV KARLSRUHE,INST ELEKTROTECH GRUNDLAGEN INFORMAT,W-7500 KARLSRUHE,GERMANY
[2] UNIV KARLSRUHE,KRISTALL & MAT LAB,W-7500 KARLSRUHE,GERMANY
来源：
APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 03期
关键词：
D O I：
10.1063/1.107932
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have investigated the spectral reflectance of thin YBa2Cu3O7-delta films deposited on twin-free NdGaO3 (001) substrates. Using polarized light in the spectral range between 50 meV and 6 eV, we found a significant a-b anisotropy near the plasma edge. On the basis of a Lorentz-Drude model we have calculated the tensor components of the dielectric function parallel to the a and to the b axis, respectively. The obtained results are compared with the a-b anisotropy of single domain crystals.
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收藏
页码：345 / 347
页数：3
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