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Title: μSR and magnetometry study of superconducting 5% Pt-doped IrTe2

In this paper, we present magnetometry and muon spin rotation ( SR) measurements of the superconducting dichalcogenide Ir0.95Pt0.05Te2. From both sets of measurements we calculate the penetration depth and thence superfluid density as a function of temperature. The temperature dependence of the superfluid densities from both sets of data indicate fully gapped superconductivity that can be fit to a conventional s-wave model and yield fitting parameters consistent with a BCS weak coupling superconductor. Finally, we therefore see no evidence for exotic superconductivity in Ir0.95Pt0.05Te2.
Authors:
 [1] ;  [1] ;  [1] ;  [2] ;  [2] ;  [2] ;  [3] ;  [3] ;  [2] ;  [4]
  1. McMaster Univ., Hamilton, ON (Canada). Dept. of Physics and Astronomy
  2. Columbia Univ., New York, NY (United States). Dept. of Physics
  3. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
  4. McMaster Univ., Hamilton, ON (Canada). Dept. of Physics and Astronomy; Canadian Inst. for Advanced Research, Toronto, ON (Canada)
Publication Date:
OSTI Identifier:
1338565
Grant/Contract Number:
AC05-00OR22725; DMR-1436095; OISE-0968226
Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 94; Journal Issue: 18; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); McMaster Univ., Hamilton, ON (Canada); Columbia Univ., New York, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); Natural Sciences and Engineering Research Council (NSERC) of Canada; Canadian Foundation for Innovation; National Science Foundation (NSF) (United States); Japan Atomic Energy Agency (JAEA); Friends of Univ. of Tokyo, Inc. (Japan)
Contributing Orgs:
Canadian Inst. for Advanced Research, Toronto, ON (Canada); Univ. of Tennessee, Knoxville, TN (United States)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE