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Magnetic and superconducting transitions in Gd/sub x/Er/sub 1-x/Rh/sub 4/B/sub 4/ and Gd/sub x/Y/sub 1-x/Rh/sub 4/B/sub 4/. [Reentrant behavior]

Conference ·
OSTI ID:5348232
; ; ; ;

The magnetic and superconducting transition temperatures and upper critical fields have been measured for Gd/sub x/Er/sub 1-x/Rh/sub 4/B/sub 4/ and Gd/sub x/Y/sub 1-x/Rh/sub 4/B/sub 4/. The pressure dependence of T/sub c/ for the Er system for x less than or equal to 0.05 is 0.5 x 10/sup -2/ K/kbar. Both systems exhibit reentrant behavior, that is a superconducting transition followed by a magnetic transition at a lower temperature that destroys the superconductivity. For the Er system, the initial additions of Gd actually raise the superconducting critical field followed by the expected decrease for greater additions.

Research Organization:
Los Alamos Scientific Lab., N.Mex. (USA)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
5348232
Report Number(s):
LA-UR-77-2372; CONF-771127-1
Country of Publication:
United States
Language:
English

Similar Records

Magnetic and superconducting transitions in Gd/sub x/Er/sub 1-x/Rh/sub 4/B/sub 4/ and Gd/sub x/Y/sub 1-x/Rh/sub 4/B/sub 4/
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Related Subjects

36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BORIDES
BORON COMPOUNDS
CRITICAL FIELD
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ERBIUM BORIDES
ERBIUM COMPOUNDS
GADOLINIUM BORIDES
GADOLINIUM COMPOUNDS
MAGNETIC FIELDS
MAGNETIC PROPERTIES
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
RHODIUM BORIDES
RHODIUM COMPOUNDS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YTTRIUM BORIDES
YTTRIUM COMPOUNDS