Electron-Paramagnetic-Res of Cr-3+ Centers in Crystals of Cs2Cdcl4

Kay, D. and McPherson, G.L. (1981) Electron-Paramagnetic-Res of Cr-3+ Centers in Crystals of Cs2Cdcl4. Journal of Physics C-Solid State Physics, 14 22: 3247-3253. doi:10.1088/0022-3719/14/22/018

Author Kay, D.
McPherson, G.L.
Title Electron-Paramagnetic-Res of Cr-3+ Centers in Crystals of Cs2Cdcl4
Formatted title
EPR spectra of Cr3+ centres in crystals of Cs2CdCl4
Journal name Journal of Physics C-Solid State Physics
ISSN 0022-3719
Publication date 1981
Sub-type Article (original research)
DOI 10.1088/0022-3719/14/22/018
Volume 14
Issue 22
Start page 3247
End page 3253
Total pages 7
Place of publication Bristol, United Kingdom
Publisher Institute of Physics Publishing
Language eng
Formatted abstract
When crystals of Cs2CdCl4 (K2NiF 4-type structure) are doped with Cr3+ a number of different impurity centres are formed which are readily distinguishable by EPR spectroscopy. The doped crystals contain both compensated and uncompensated Cr3+ centres. The resonances from the uncompensated Cr3+ exhibit axial symmetry about the crystallographic c axis. In the compensated centres the charge discrepancy of the Cr3+ appears to be balanced by a Cs+ vacancy. A centre with axial symmetry and a centre with rhombic symmetry can be attributed to Cr3+ ions compensated by Cs + vacancies. If Li+ or Na+ are doped into the Cs2CdCl4 crystals along with Cr3+, a new rhombic centre is observed where the charge discrepancy is balanced by one of the small monovalent ions. The assignment and analysis of the EPR spectra from the doped crystals are discussed in detail.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Medicine Publications
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