Synthesis of high-temperature superconducting yttrium-barium cuprate single crystals and study of their properties
The method of synthesis of stack-plated single crystals of YBa2Cu3O6+d high‑temperature superconductor has been improved. The method is based on combination of the processes of mass-nucleation and directional crystallization from the solution-melt by Czochralski. The single crystals with the natural...
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| Date: | 2002 |
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| Main Authors: | , , , , , |
| Format: | Article |
| Language: | English |
| Published: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2002
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| Online Access: | https://surfacezbir.com.ua/index.php/surface/article/view/88 |
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| Journal Title: | Surface |
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Surface| Summary: | The method of synthesis of stack-plated single crystals of YBa2Cu3O6+d high‑temperature superconductor has been improved. The method is based on combination of the processes of mass-nucleation and directional crystallization from the solution-melt by Czochralski. The single crystals with the natural cuts and plate habitus of 8 mm in length have been grown. Diffusion of silver from thin films (10-20 nm) into the YBa2Cu3O6+d single crystals has been studied in the temperature range 373-773K with the use of Auger electron spectroscopy. Diffusion activation energy and pre-exponential factor have been determined. The mechanism with participation of oxygen vacancies has been suggested as a principal diffusion mechanism. |
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