Re-interpretation of EPR spin-Hamiltonian parameters b(2)(m) for Gd3+-O2- center in the tetragonal phase of perovskite-type compound Rb1-xKxCaF3 withx=0.05

Authors
Zheng, WC
Citation
Wc. Zheng, Re-interpretation of EPR spin-Hamiltonian parameters b(2)(m) for Gd3+-O2- center in the tetragonal phase of perovskite-type compound Rb1-xKxCaF3 withx=0.05, PHYS ST S-B, 219(1), 2000, pp. 3-7
Citations number
14
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA STATUS SOLIDI B-BASIC RESEARCH
ISSN journal
03701972 → ACNP
Volume
219
Issue
1
Year of publication
2000
Pages
3 - 7
Database
ISI
SICI code
0370-1972(200005)219:1<3:ROESPB>2.0.ZU;2-E
Abstract
The spin-Hamiltonian parameters b(2)(2), b(2)(-1) and b(2)(0) for Gd3+-O2- center in the tetragonal phase of Rb0.95K0.05CaF3 perovskite-type compound are studied by the superposition model which considers the (GdOF5)(4-) octa hedron distortion related to the elongation or release of the metal-ligand bond lengths in the octahedron. The parameters b(2)(m) can be reasonably ex plained, and information for the local phase transition behaviour is obtain ed.