Low-Temperature Fabrication of Nd123 Epitaxial Films by KOH Flux Method Under Ambient Pressure

This paper presents a simple and feasible method for fabricating high-performance REBa 2 Cu 3 O y (RE123) films. Nd123 films were established on a single-crystalline substrate by the KOH flux method at low temperature and ambient pressure. Above 425 °C, the Nd123 in the obtained films demonstrated s...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2016-04, Vol.26 (3), p.1-4
Hauptverfasser: Funaki, Shuhei, Yamada, Yasuji, Okunishi, Ryota, Miyachi, Yugo
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Yamada, Yasuji
Okunishi, Ryota
Miyachi, Yugo
description This paper presents a simple and feasible method for fabricating high-performance REBa 2 Cu 3 O y (RE123) films. Nd123 films were established on a single-crystalline substrate by the KOH flux method at low temperature and ambient pressure. Above 425 °C, the Nd123 in the obtained films demonstrated single-phase and biaxial orientation. The T c onset of the Nd123 film was 67.1 K when fabricated at 525 °C but reduced at lower fabrication temperatures, presumably because the Nd became increasingly substituted with Ba. Moreover, the T c onset of the Nd123 film fabricated at 475 °C was enhanced by controlling the Nd/Ba composition ratio in the starting materials.
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subjects Critical temperature
Epitaxial growth
Epitaxy
Fabrication
Flux
KOH flux method
Lattices
Liquid phase epitaxy
NdBa2Cu3Oy
Neodymium
Orientation
Pressure
Single crystals
Substrates
Superconducting epitaxial layers
Superconducting film
Superconducting films
Superconductivity
title Low-Temperature Fabrication of Nd123 Epitaxial Films by KOH Flux Method Under Ambient Pressure
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