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Magnetic phase diagram of Li 2 (Pd 1 − x Pt x ) 3 B by ac susceptometry

Magnetic phase diagram of Li 2 (Pd 1 − x Pt x ) 3 B by ac susceptometry The H - T phase diagram and several superconducting parameters for the noncentrosymmetric system Li 2 (Pd 1 − x Pt x ) 3 B have been determined as a function of cation substitution x . Notably, the coherence length may be linear in platinum concentration. Despite the superconducting pairing state and band structure apparently changing fundamentally, the H - T phase diagram is essentially unchanged. Unusual aspects of the shape of the H - T phase diagram are discussed. The upper critical field H c 2 (0) is not anomalously high for any Pt content, likely due to an absence of high carrier masses—in such a case, the value of H c 2 (0) would not serve as a probe for novel physics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Magnetic phase diagram of Li 2 (Pd 1 − x Pt x ) 3 B by ac susceptometry

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Publisher
American Physical Society (APS)
Copyright
Copyright © 2011 The American Physical Society
ISSN
1098-0121
eISSN
1550-235X
DOI
10.1103/PhysRevB.84.054521
Publisher site
See Article on Publisher Site

Abstract

The H - T phase diagram and several superconducting parameters for the noncentrosymmetric system Li 2 (Pd 1 − x Pt x ) 3 B have been determined as a function of cation substitution x . Notably, the coherence length may be linear in platinum concentration. Despite the superconducting pairing state and band structure apparently changing fundamentally, the H - T phase diagram is essentially unchanged. Unusual aspects of the shape of the H - T phase diagram are discussed. The upper critical field H c 2 (0) is not anomalously high for any Pt content, likely due to an absence of high carrier masses—in such a case, the value of H c 2 (0) would not serve as a probe for novel physics.

Journal

Physical Review B – American Physical Society (APS)

Published: Aug 1, 2011

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