Phys. Rev. B 61, 1584–1587 (2000)

Experimental determination of the B-T phase diagram of YBa₂Cu₃O_7-δ to 150 T for B⊥c

Abstract

References

Citing Articles (21)

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J. L. O’Brien^*
National Pulsed Magnet Laboratory and Semiconductor Nanofabrication Facility, School of Physics, University of New South Wales, Sydney 2052, Australia

H. Nakagawa
Institute for Solid State Physics, University of Tokyo, 7-22-1 Roppongi, 106 Tokyo, Japan

A. S. Dzurak, R. G. Clark, B. E. Kane, N. E. Lumpkin, and R. P. Starrett
National Pulsed Magnet Laboratory and Semiconductor Nanofabrication Facility, School of Physics, University of New South Wales, Sydney 2052, Australia

N. Muira
Institute for Solid State Physics, University of Tokyo, 7-22-1 Roppongi, 106 Tokyo, Japan

E. E. Mitchell
CSIRO, Division of Telecommunications and Industrial Physics, Lindfield 2070, Australia

J. D. Goettee and D. G. Rickel
Los Alamos National Laboratory, Los Alamos, New Mexico 87545

J. S. Brooks
Department of Physics, Florida State University, Tallahassee, Florida 32310

Received 27 September 1999; published in the issue dated 1 January 2000

The B-T phase diagram for thin film YBa₂Cu₃O_7-δ with B parallel to the superconducting layers has been constructed from GHz transport measurements to 150 T. Up to 110 T the upper critical field is found to be linear in T and in remarkable agreement with extrapolation of the longstanding result of Welp et al. arising from magnetization measurements to 6 T. Beyond this a departure from linear behavior occurs at T=74 K, consistent with previous low-temperature data. Evidence for a transition from a high-T regime dominated by orbital effects, to a low-T regime, where paramagnetic limiting drives the quenching of superconductivity, is seen.

URL:

http://link.aps.org/doi/10.1103/PhysRevB.61.1584

DOI:

10.1103/PhysRevB.61.1584

PACS:

74.25.Dw, 74.25.Fy, 74.76.Bz, 74.72.Bk

^*Electronic address: job@phys.unsw.edu.au

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Phys. Rev. B 61, 1584–1587 (2000)

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Experimental determination of the B-T phase diagram of YBa₂Cu₃O_7-δ to 150 T for B⊥c