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Tuning of Hidden Order and Superconductivity in URu2Si2 by Applied Pressure and Re Substitution

Published online by Cambridge University Press:  26 February 2011

Nicholas P. Butch ,
Jason R. Jeffries ,
Benjamin T. Yukich  and
M. Brian Maple
Nicholas P. Butch
Affiliation:
nbutch@physics.ucsd.edu, University of California, San Diego, Dept. of Physics and IPAPS, 9500 Gilman Drive, La Jolla, CA, 92093-0360, United States
Jason R. Jeffries
Affiliation:
jjeffri@physics.ucsd.edu, University of California, San Diego, Department of Physics and Institute for Pure and Applied Physical Sciences, 9500 Gilman Drive, La Jolla, CA, 92093-0360, United States
Benjamin T. Yukich
Affiliation:
byukich@ucsd.edu, University of California, San Diego, Department of Physics and Institute for Pure and Applied Physical Sciences, 9500 Gilman Drive, La Jolla, CA, 92093-0360, United States
M. Brian Maple
Affiliation:
mbmaple@physics.ucsd.edu, University of California, San Diego, Department of Physics and Institute for Pure and Applied Physical Sciences, 9500 Gilman Drive, La Jolla, CA, 92093-0360, United States
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Abstract

Single crystals of URu2-xRexSi2 have been grown via the Czochralski technique. Detailed electrical transport studies under pressure on single crystals of URu2Si2 confirm that the zero-temperature critical field is suppressed smoothly towards an extrapolated critical pressure of 15 kbar, which also corresponds to the accepted critical pressure of the hidden order phase. Improving on previous work on polycrystalline samples, studies of single crystals of URu2-xRexSi2 have provided more precise tracking of the suppression of both the hidden order phase at low doping and the ferromagnetic phase at intermediate Re concentrations.

Keywords

Umagnetic propertiessuperconducting
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 986: Symposium OO – Actinides 2006 – Basic Science, Applications and Technology , 2006 , 0986-OO02-03
Copyright
Copyright © Materials Research Society 2007

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