Thermal expansion coefficients of high-Tc superconductor substrate NdGaO3 single crystal

Masahiro Sasaura, Shintaro Miyazawa, Masashi Mukaida

Research output: Contribution to journalArticle

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Abstract

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.

Original languageEnglish
Pages (from-to)3643-3644
Number of pages2
JournalJournal of Applied Physics
Volume68
Issue number7
DOIs
Publication statusPublished - Dec 1 1990
Externally publishedYes

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superconducting films
thermal expansion
Czochralski method
single crystals
coefficients
laser ablation
temperature dependence
expansion
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Thermal expansion coefficients of high-Tc superconductor substrate NdGaO3 single crystal. / Sasaura, Masahiro; Miyazawa, Shintaro; Mukaida, Masashi.

In: Journal of Applied Physics, Vol. 68, No. 7, 01.12.1990, p. 3643-3644.

Research output: Contribution to journalArticle

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