THERMAL-EXPANSION COEFFICIENTS OF HIGH-TC SUPERCONDUCTOR SUBSTRATE NDGAO3 SINGLE-CRYSTAL

被引：71

作者：

SASAURA, M

MIYAZAWA, S

MUKAIDA, M

机构：

[1] NTT LSI Laboratories, Atsugi-Shi, Kanagawa 243-01, 3-1, Morinosato Wakamiya

来源：

JOURNAL OF APPLIED PHYSICS | 1990年 / 68卷 / 07期

关键词：

D O I：

10.1063/1.346327

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the temperature dependence of lattice constants for a NdGaO 3 single crystal grown by the Czochralski method and thermal expansion coefficients which were obtained for the first time. Lattice mismatch between the NdGaO3 substrate and YBa2Cu3O x superconducting film is 0.27% at elevated temperatures and the appropriate expansivities are similar. The crystalline quality of deposited YBa2Cu3Ox films on NdGaO3 by the laser ablation method was extremely good. NdGaO3 is, therefore, an excellent candidate for epitaxial high-Tc superconducting films.

引用

页码：3643 / 3644

页数：2

共 13 条

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