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Title: Pressure induced change in the electronic state of Ta 4 Pd 3 Te 16

Here, we present measurements of superconducting transition temperature, resistivity, magnetoresistivity, and temperature dependence of the upper critical field of Ta 4 Pd 3 Te 16 under pressures up to 16.4 kbar. All measured properties have an anomaly at ~ 2 $-$ 4 kbar pressure range; in particular there is a maximum in T c and upper critical field, H c2 ( 0 ), and minimum in low temperature, normal state resistivity. Qualitatively, the data can be explained considering the density of state at the Fermi level as a dominant parameter.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy
Publication Date:
Report Number(s):
IS-J-9231
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1702602
Grant/Contract Number:
AC02-07CH11358; GBMF4411
Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 13; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Research Org:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE
OSTI Identifier:
1355402
Alternate Identifier(s):
OSTI ID: 1352970