Investigations of the EPR parameters and local structures for two tetragonal Cr3+ centers in NH4Cl crystal

Authors
Citation
Sy. Wu et Wc. Zheng, Investigations of the EPR parameters and local structures for two tetragonal Cr3+ centers in NH4Cl crystal, Z NATURFO A, 56(3-4), 2001, pp. 326-328
Citations number
16
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES
ISSN journal
09320784 → ACNP
Volume
56
Issue
3-4
Year of publication
2001
Pages
326 - 328
Database
ISI
SICI code
0932-0784(200103/04)56:3-4<326:IOTEPA>2.0.ZU;2-P
Abstract
In this paper, the zero-field splittings D and g factors g(parallel to), g( perpendicular to) at room temperature for two tetragonal Cr3+ centers in NH 4Cl:Cr3+ crystal have been investigated by a two-spin-orbit (S.O)-parameter model, in which both the contribution due to the S.O. coupling of central d(3) ion and that of ligands are considered. From the investigations, the s igns of zero-field splitting and the local structures of both centers are o btained. The electron paramagnetic resonance parameters D, g(parallel to) a nd g(perpendicular to) of both centers are also explained.