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Charge Compensation by O 2− Vacancies in Cr 3+ ‐Doped SrTiO 3
Author(s) -
Meierling H. D.
Publication year - 1971
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.2220430120
Subject(s) - orthorhombic crystal system , ion , vacancy defect , doping , crystal structure , lattice (music) , lattice constant , oxygen , crystallography , atomic physics , materials science , condensed matter physics , chemistry , physics , diffraction , organic chemistry , acoustics , optics
ESR measurements of Cr 3+ ions in SrTiO 3 at orthorhombic lattice sites in the cubic phase of the crystal are described. The orthorhombic distortion is caused by an oxygen vacancy in the neighbourhood of the Cr 3+ ion. A model of the displacement of the neighbouring oxygen ions is proposed. The values of the constants of the spin‐Hamiltonian are given.