Spin correlations near the ferromagnetic-spin glass crossover in Eu/sub x/Sr/sub 1-x/S
Conference
·
OSTI ID:6949412
Bulk susceptibility and high-resolution neutron-diffraction measurements have been performed on single crystals of Eu/sub x/Sr/sub 1-x/S for x = 0.52 and 0.54 near the ferromagnet (FM) - spin glass (SG) crossover. A reentrant phase is established, which is induced by random-field effects. As the temperature is reduced the FM correlation length xi passes through a resolution-limited maximum where a frustrated FM phase is observed. In the SG at lower temperature xi decreases again and a coexisting FM component can be excluded. 6 figures.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6949412
- Report Number(s):
- BNL-31919; CONF-820929-9; ON: DE83000818
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CHEMICAL COMPOSITION
CRYSTALS
EUROPIUM COMPOUNDS
EUROPIUM SULFIDES
FERROMAGNETISM
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MAGNETISM
MONOCRYSTALS
PHYSICAL PROPERTIES
QUANTITY RATIO
RARE EARTH COMPOUNDS
SPIN GLASS STATE
STRONTIUM COMPOUNDS
STRONTIUM SULFIDES
SULFIDES
SULFUR COMPOUNDS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE
360603* -- Materials-- Properties
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CHEMICAL COMPOSITION
CRYSTALS
EUROPIUM COMPOUNDS
EUROPIUM SULFIDES
FERROMAGNETISM
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MAGNETISM
MONOCRYSTALS
PHYSICAL PROPERTIES
QUANTITY RATIO
RARE EARTH COMPOUNDS
SPIN GLASS STATE
STRONTIUM COMPOUNDS
STRONTIUM SULFIDES
SULFIDES
SULFUR COMPOUNDS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE