MAGNETIC ORDERING IN CUBIC CRYSTALS WITH FIRST AND SECOND NEIGHBOR EXCHANGE.

Abstract

The problem of stability of various ferromagnetic and antiferromagnetic spin configurations is considered. Simple cubic, face-centered cubic, and body-centered cubic lattices are analyzed, for all possible ratios of the strengths of the nearest-neighbor and next-nearestneighbor exchange constants (all other exchange constants are neglected), and for all temperatures. The calculations are carried out by a Green function 'random phase' approximation. The results are presented in terms of phase diagrams, and the nature of the instabilities at the phase boundaries is discussed. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1965
Accession Number
AD0618087

Entities

People

  • H. B. Callen
  • H. Jarrett
  • R. A. Tahir-kheli

Organizations

  • University of Pennsylvania

Tags

DTIC Thesaurus Topics

  • Boundaries
  • Crystal Lattices
  • Crystal Structure
  • Crystals
  • Cubic Lattices
  • Diagrams
  • Instability
  • Phase
  • Phase Diagrams

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.