Magnetic phase diagram of Li2(Pd1-xPtx)3B by ac susceptometry

Peets, D. C.; Eguchi, G.; Kriener, M.; Harada, S.; Shamsuzzamen, S. M.; Inada, Y.; Zheng, G. Q.; Maeno, Y.

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Magnetic phase diagram of Li₂(Pd_1-xPt_x)₃B by ac susceptometry

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Peets, D. C.
Max Planck Society;

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Citation

Peets, D. C., Eguchi, G., Kriener, M., Harada, S., Shamsuzzamen, S. M., Inada, Y., et al. (2011). Magnetic phase diagram of Li₂(Pd_1-xPt_x)₃B by ac susceptometry. Physical Review B, 84(5): 054521.

Cite as: https://hdl.handle.net/21.11116/0000-000E-C179-0

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(c2)(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(c2)(0) would not serve as a probe for novel physics.