ESR Spectra of Se −  in Silver Chloride Crystals Doped with Selenium and Cadmium | Zendy

Schwarz D. | Zendy

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ESR Spectra of Se − in Silver Chloride Crystals Doped with Selenium and Cadmium

Author(s) -

Schwarz D.

Publication year - 1970

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.19700370124

Subject(s) - unpaired electron , hyperfine structure , orthorhombic crystal system , ion , selenium , crystallography , chemistry , electron paramagnetic resonance , silver chloride , impurity , cadmium , crystal (programming language) , chloride , crystal structure , nuclear magnetic resonance , atomic physics , physics , organic chemistry , electrode , computer science , programming language

An impurity ion centre identified as Se − has been produced by irradiation with blue light at − 100°C in AgCl:Se, Cd. The p‐function containing the unpaired electron points along [100] crystal direction and the centre has orthorhombic symmetry (point group C 2v ). A hyperfine interaction of the unpaired electron with one 77 Se nucleus is observed. Apart from this an additional splitting of the lines indicates a strong superhyperfine interaction with two silver ions. A qualitative understanding of this structure can be obtained as follows: The ground state p z ( z parallel [100]) forms σ‐bonds with two Ag + ions on the z ‐axis of the centre.

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