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Field-induced reentrant superconductivity in the Heusler alloy system Pd/sub 2/Y/sub 1-//sub x-italic/Dy/sub x-italic/Sn

Journal Article · · Phys. Rev. B: Condens. Matter; (United States)
; ;
The ternary compound Pd/sub 2/YSn crystallizing in the cubic Heusler (L-italic2/sub 1/) structure is superconducting with a superconducting transition temperature (T-italic/sub c-italic/) of 4.55 K. The superconducting and magnetic phase diagram of the pseudoternary system Pd/sub 2/Y/sub 1-//sub x-italic/Dy/sub x-italic/Sn (x-italic = 0--1) has been investigated. The superconducting T-italic/sub c-italic/ of Pd/sub 2/YSn decreases with the replacement of Y by Dy and superconductivity is completely suppressed at a critical concentration of Dy corresponding to x-italic--0.35. The samples with x-italic> or =0.5 are antiferromagnetically ordered with Ne-acute-accentel temperatures ranging from 5 K for x-italic = 0.5--15 K for x-italic = 1.0 (Pd/sub 2/DySn). The superconducting samples with x-italic>0 show reentrant behavior under external applied fields. The temperature dependence of the upper critical field in Pd/sub 2/Y/sub 1-//sub x-italic/Dy/sub x-italic/Sn (x-italic = 0.0, 0.1, and 0.15) has been measured and is analyzed in terms of the Werthamer-Helfand-Hohenberg theory including the pair-breaking effects due to paramagnetic rare-earth ions.
Research Organization:
Materials Science and Technology Division, Argonne National Laboratory, Argonne, Illinois 60439
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
5145516
Journal Information:
Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 34:5; ISSN PRBMD
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ALUMINIUM ALLOYS
ANNEALING
ANTIFERROMAGNETISM
COHERENT SCATTERING
COPPER ALLOYS
COPPER BASE ALLOYS
CRITICAL FIELD
DATA
DIAGRAMS
DIFFRACTION
DYSPROSIUM ALLOYS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
HEAT TREATMENTS
HEUSLER ALLOYS
INFORMATION
LOW TEMPERATURE
MAGNETIC FIELDS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MAGNETISM
MANGANESE ALLOYS
MEDIUM TEMPERATURE
NUMERICAL DATA
PALLADIUM ALLOYS
PHASE DIAGRAMS
PHYSICAL PROPERTIES
PLATINUM METAL ALLOYS
RARE EARTH ALLOYS
SCATTERING
STOICHIOMETRY
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TIN ALLOYS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
X-RAY DIFFRACTION
YTTRIUM ALLOYS