Title
Magnetic resonance study of the Fe+(I) center in SrCl2 single crystals Magnetic resonance study of the Fe+(I) center in SrCl2 single crystals
Author
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
Volume/pages
64(2001) :2 , 9 p.
ISSN
1098-0121
1550-235X
0163-1829
Article Reference
024405
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Abstract
An Fe+-type center with axial (001) symmetry has been studied by electron nuclear double resonance (ENDOR) in the microwave X and Q bands. The Fe+(I) center is produced only after irradiation with x or gamma rays at 80 K of SrCl2:Fe2+ crystals grown in a Cl-2 atmosphere. It has a 3d(7) F-4 Gamma (8) ground state with spin S =3/2. As shown by the correlated analysis of the ENDOR data and electron paramagnetic resonance superhyperfine structure, the Fe+ ion is situated in the center of a tetragonally compressed cube of eight nearest Cl- ions. The simplest model of the Fe+(I) center, compatible with the magnetic resonance results, consists of an interstitial Fe+ ion with two substitutional monovalent cations, very likely K+ ions, in two opposite nearest-neighbor Sr2+ sites along the tetragonal axis of the center.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/43b5db/7988.pdf
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