Monte Carlo study of an ordering alloy on an fcc lattice
Journal Article
·
· Phys. Rev. Lett.; (United States)
We report results of computer simulations of a binary alloy on an fcc lattice, equivalent to an Ising system with a nearest-neighbor antiferromagnetic interaction J > 0 and a next-nearest-neighbor ferromagnetic interaction -..cap alpha..J, ..cap alpha.. > 0. Our data indicate the existence of a discontinous change in energy and in sublattice magnetization as a function of temperature, for small ..cap alpha... For ..cap alpha.. > or approx. = 0.25, the transition appears to be continuous suggesting a tricritical point at some intermediate ..cap alpha...
- Research Organization:
- Department of Mathematics and Physics, Rutgers University, New Brunswick, New Jersey 08903
- OSTI ID:
- 6349941
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 42:9; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656000* -- Condensed Matter Physics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOY SYSTEMS
ANGULAR MOMENTUM
ANTIFERROMAGNETISM
BINARY ALLOY SYSTEMS
COMPUTER CALCULATIONS
CRYSTAL LATTICES
CRYSTAL MODELS
CRYSTAL STRUCTURE
CUBIC LATTICES
DIAGRAMS
FCC LATTICES
FERROMAGNETISM
FUNCTIONS
HAMILTONIAN FUNCTION
ISING MODEL
MAGNETISM
MATHEMATICAL MODELS
MONTE CARLO METHOD
PARTICLE PROPERTIES
PHASE DIAGRAMS
PHASE TRANSFORMATIONS
SPIN
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOY SYSTEMS
ANGULAR MOMENTUM
ANTIFERROMAGNETISM
BINARY ALLOY SYSTEMS
COMPUTER CALCULATIONS
CRYSTAL LATTICES
CRYSTAL MODELS
CRYSTAL STRUCTURE
CUBIC LATTICES
DIAGRAMS
FCC LATTICES
FERROMAGNETISM
FUNCTIONS
HAMILTONIAN FUNCTION
ISING MODEL
MAGNETISM
MATHEMATICAL MODELS
MONTE CARLO METHOD
PARTICLE PROPERTIES
PHASE DIAGRAMS
PHASE TRANSFORMATIONS
SPIN