EPR of [Li] 0 , [Na] 0 , and [K] 0  centres in SrS and CaS polycrystals | Zendy

Seeman V. | Zendy; Danilkin M. | Zendy; Ots A. | Zendy; Pedak E. | Zendy; Pung L. | Zendy; Pärnoja E. | Zendy

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EPR of [Li] 0 , [Na] 0 , and [K] 0 centres in SrS and CaS polycrystals

Author(s) -

Seeman V.,

Danilkin M.,

Ots A.,

Pedak E.,

Pung L.,

Pärnoja E.

Publication year - 2004

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200301899

Subject(s) - electron paramagnetic resonance , impurity , ion , crystallography , chemistry , metal , hyperfine structure , nucleus , atomic physics , analytical chemistry (journal) , physics , nuclear magnetic resonance , organic chemistry , biology , microbiology and biotechnology , chromatography

Connected with alkaline metal impurities axial V centres were studied by EPR in SrS and CaS polycrystals. A paramagnetic S − ion arises near an alkaline metal ion substituting for a cation of the host lattice after a hole produced by X‐raying at 77 K is captured. The centres are observable at low temperatures of 10–25 K. The superhyperfine structure from a 23 Na nucleus and a 7 Li nucleus was observed. Parameters of V centres (g‐tensor and A‐tensor values, thermal decay) are determined. (© 2003 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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