Scaling behavior of the specific heat of a LuBa2Cu3O7-y single crystal near the Hc2 line

B. Zhou; J. Buan; Stephen W. Pierson; Cheng-Cher Huang; Oriol T Valls; J. Z. Liu; R. N. Shelton

doi:10.1103/PhysRevB.47.11631

Scaling behavior of the specific heat of a LuBa2Cu3O7-y single crystal near the Hc2 line

B. Zhou, J. Buan, Stephen W. Pierson, Cheng-Cher Huang, Oriol T Valls, J. Z. Liu, R. N. Shelton

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

High-resolution specific-heat measurements have been performed on an untwinned single crystal of LuBa2Cu3O7-y in an applied magnetic field, along the c axis, of up to 5 T. The zero-field data near the normal-superconducting transition temperature (Tc=92.5 K) display a very large and sharp specific-heat anomaly. Among various models for scaling the magnetic field and temperature-dependent specific-heat data, a model which incorporates the two-dimensional nature of this transition provides the best description of our data. A narrow region of crossover to three-dimensional behavior is also observed.

Original language	English (US)
Pages (from-to)	11631-11634
Number of pages	4
Journal	Physical Review B
Volume	47
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.47.11631
State	Published - Jan 1 1993

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title = "Scaling behavior of the specific heat of a LuBa2Cu3O7-y single crystal near the Hc2 line",

abstract = "High-resolution specific-heat measurements have been performed on an untwinned single crystal of LuBa2Cu3O7-y in an applied magnetic field, along the c axis, of up to 5 T. The zero-field data near the normal-superconducting transition temperature (Tc=92.5 K) display a very large and sharp specific-heat anomaly. Among various models for scaling the magnetic field and temperature-dependent specific-heat data, a model which incorporates the two-dimensional nature of this transition provides the best description of our data. A narrow region of crossover to three-dimensional behavior is also observed.",

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AU - Buan, J.

AU - Pierson, Stephen W.

AU - Huang, Cheng-Cher

AU - Valls, Oriol T

AU - Liu, J. Z.

AU - Shelton, R. N.

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AB - High-resolution specific-heat measurements have been performed on an untwinned single crystal of LuBa2Cu3O7-y in an applied magnetic field, along the c axis, of up to 5 T. The zero-field data near the normal-superconducting transition temperature (Tc=92.5 K) display a very large and sharp specific-heat anomaly. Among various models for scaling the magnetic field and temperature-dependent specific-heat data, a model which incorporates the two-dimensional nature of this transition provides the best description of our data. A narrow region of crossover to three-dimensional behavior is also observed.

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