The 83rd JSAP Autumn Meeting 2022

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11 Superconductivity » 11.2 Thin and thick superconducting films, coated conductors and film crystal growth

[21p-A304-1~13] 11.2 Thin and thick superconducting films, coated conductors and film crystal growth

Wed. Sep 21, 2022 1:00 PM - 4:45 PM A304 (A304)

Toshinori Ozaki(Kwansei Gakuin Univ.), Shuhei Funaki(Shimane Univ.), Kazumasa Iida(Nihon University)

3:45 PM - 4:00 PM

△ [21p-A304-10] Surface morphology and growth rate of YBa2Cu3Oy films fabricated by high speed Vapor Liquid Solid growth technique.

〇Toranosuke Miwa1, Yutaka Yoshida1 (1.Nagoya Univ.)

Keywords:superconductor, film, YBCO

We have fabricated thick YBCO wires using the Vapor Liquid Solid (VLS) method, in which a liquid phase is grown on a metal substrate. It is known that the growth rate of the VLS method is higher than that of the vapor phase method at low supersaturation due to the difference in cohesion coefficient. In this study, in order to discuss the supersaturation at the solid-liquid interface in the VLS growth method, we fabricated YBCO films on single crystal substrates using the VLS growth method and discussed the growth rate and supersaturation from the surface observations.