Bulk phase transition in YBa2Cu3O7- single crystals

H. Safar, H. Pastoriza, F. De La Cruz, D. J. Bishop, L. F. Schneemeyer, J. V. Waszczak

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Abstract

Precise magnetization measurements of YBa2Cu3O7- single crystals have found evidence for a bulk phase transition a few degrees below the superconducting critical temperature. The phase transition is indicated by a sudden drop of the lower critical field, Hc1(T), separating a full coherent state at low fields and temperatures, the Meissner state, from a region at higher temperatures where magnetic excitations are induced at H=0.

Original languageEnglish
Pages (from-to)13610-13613
Number of pages4
JournalPhysical Review B
Volume43
Issue number16
DOIs
StatePublished - 1 Jan 1991

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    Safar, H., Pastoriza, H., De La Cruz, F., Bishop, D. J., Schneemeyer, L. F., & Waszczak, J. V. (1991). Bulk phase transition in YBa2Cu3O7- single crystals. Physical Review B, 43(16), 13610-13613. https://doi.org/10.1103/PhysRevB.43.13610