Surface Morphology of YBa 2 Cu 3 O  y   Single Crystals after Hydrogenation

E. I. Kuznetsova; I. B. Bobylev; S. V. Naumov; N. A. Zyuzeva; N. V. Nikolaeva

doi:10.1134/S0031918X19020121

Surface Morphology of YBa₂Cu₃O_y Single Crystals after Hydrogenation

Авторы: Kuznetsova E.¹, Bobylev I.¹, Naumov S.¹, Zyuzeva N.¹, Nikolaeva N.¹
Учреждения:
1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Выпуск: Том 120, № 2 (2019)
Страницы: 138-144
Раздел: Structure, Phase Transformations, and Diffusion
URL: https://journals.rcsi.science/0031-918X/article/view/168266
DOI: https://doi.org/10.1134/S0031918X19020121
ID: 168266

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Аннотация

The influence of hydrogenation at T = 150°С on the structure of the YBa₂Cu₃O_y single crystals with different oxygen contents has been investigated using polarization optical and scanning microscopy methods with texture-orientation EBSD-analysis. It has been revealed that in the hydrogenation process on the surface of the YBa₂Cu₃O_y single crystals there is a partial reduction of copper with the formation of nanosized crystals of metallic copper coated with a Cu₂O layer.