Spin correlations in nearly ferromagnetic Eu/sub x/Sr/sub 1-x/S
Journal Article
·
· Phys. Rev. Lett.; (United States)
High-resolution neutron-diffraction measurements have been performed on a single crystal of Eu/sub x/Sr/sub 1-x/S for x = 0.52, an insulating spin system with competing exchange interactions. No detectable long-range magnetic order is observed at any temperature. However, intense magnetic diffuse scattering, well described by a Lorentzian, is present. As the temperature is reduced from 6 to 0.4 K, the magnetic correlation length xi increases to a resolution-limited maximum (>400 A) at 2.5 K, and subsequently decreases.
- Research Organization:
- Brookhaven National Laboratory, Upton, New York 11973
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 5148129
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 48:21; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALKALINE EARTH METALS
ANGULAR MOMENTUM
CHALCOGENIDES
COHERENT SCATTERING
CORRELATIONS
CRYSTALS
DATA
DIFFRACTION
ELEMENTS
EUROPIUM COMPOUNDS
EUROPIUM SULFIDES
EXCHANGE INTERACTIONS
EXPERIMENTAL DATA
FERROMAGNETIC MATERIALS
INFORMATION
INTERACTIONS
MAGNETIC MATERIALS
MATERIALS
METALS
MONOCRYSTALS
NEUTRON DIFFRACTION
NUMERICAL DATA
PARTICLE PROPERTIES
RARE EARTH COMPOUNDS
RESOLUTION
SCATTERING
SPIN
STRONTIUM
SULFIDES
SULFUR COMPOUNDS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE
360603* -- Materials-- Properties
ALKALINE EARTH METALS
ANGULAR MOMENTUM
CHALCOGENIDES
COHERENT SCATTERING
CORRELATIONS
CRYSTALS
DATA
DIFFRACTION
ELEMENTS
EUROPIUM COMPOUNDS
EUROPIUM SULFIDES
EXCHANGE INTERACTIONS
EXPERIMENTAL DATA
FERROMAGNETIC MATERIALS
INFORMATION
INTERACTIONS
MAGNETIC MATERIALS
MATERIALS
METALS
MONOCRYSTALS
NEUTRON DIFFRACTION
NUMERICAL DATA
PARTICLE PROPERTIES
RARE EARTH COMPOUNDS
RESOLUTION
SCATTERING
SPIN
STRONTIUM
SULFIDES
SULFUR COMPOUNDS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE