Superconducting transitions of YBa2Cu3Ox superconductors in high fields

T. Matano; Michael Rudolf Koblischka; B. W. Veal; Masato Murakami; T. Takizawa

doi:10.1088/0953-2048/13/6/336

Superconducting transitions of YBa₂Cu₃O_x superconductors in high fields

T. Matano, Michael Rudolf Koblischka, B. W. Veal, Masato Murakami, T. Takizawa

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

Superconducting transitions were measured in field-cooled cooling and field-cooled warming modes in external magnetic fields ranging between 1 mT and 7 T on YBa₂Cu₃O_x (Y123) single crystals with and without the fishtail effect. The Y123 crystal with the fishtail effect exhibited a two-step transition when being cooled in high fields, while the Y123 crystal without the fishtail showed a single step transition. Furthermore, an upturn in magnetic moment was observed at lower temperatures for Y123 with the fishtail effect. Such an upturn is ascribed to the local Cu magnetic moment due to oxygen vacancies. The fishtail effect is thus caused by oxygen vacancies.

Original language	English
Pages (from-to)	805-806
Number of pages	2
Journal	Superconductor Science and Technology
Volume	13
Issue number	6
DOIs	https://doi.org/10.1088/0953-2048/13/6/336
Publication status	Published - 2000 Jun
Externally published	Yes

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ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Physics and Astronomy (miscellaneous)
Condensed Matter Physics

Cite this

Matano, T., Koblischka, M. R., Veal, B. W., Murakami, M., & Takizawa, T. (2000). Superconducting transitions of YBa₂Cu₃O_x superconductors in high fields. Superconductor Science and Technology, 13(6), 805-806. https://doi.org/10.1088/0953-2048/13/6/336

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10.1088/0953-2048/13/6/336