Bulk phase transition in YBa2Cu3O7- single crystals

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

doi:10.1103/PhysRevB.43.13610

Bulk phase transition in YBa2Cu3O7- single crystals

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

Chemistry and Biochemistry

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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 language	English
Pages (from-to)	13610-13613
Number of pages	4
Journal	Physical Review B
Volume	43
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.43.13610
State	Published - 1 Jan 1991

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10.1103/PhysRevB.43.13610

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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.",

author = "H. Safar and H. Pastoriza and {De La Cruz}, F. and Bishop, {D. J.} and Schneemeyer, {L. F.} and Waszczak, {J. V.}",

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AU - Waszczak, J. V.

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N2 - 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.

AB - 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.

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Bulk phase transition in YBa2Cu3O7- single crystals

Abstract

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