Premium
Color Centers in Quartz Produced by Crushing
Author(s) -
Arends J.,
Dekker A. J.,
Perdok W. G.
Publication year - 1963
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.19630031209
Subject(s) - quartz , unpaired electron , electron paramagnetic resonance , anisotropy , thermal stability , electron , materials science , particle (ecology) , resonance (particle physics) , line (geometry) , symmetry (geometry) , thermal , particle size , condensed matter physics , nuclear magnetic resonance , mineralogy , chemistry , composite material , physics , atomic physics , optics , thermodynamics , geometry , nuclear physics , geology , oceanography , organic chemistry , mathematics
Results are presented for electron spin resonance measurements carried out at room temperature on freshly powdered high purity quartz and fused silica. As a result of the powdering, unpaired electrons are produced in concentrations of 10 14 to 10 15 per gram, depending on the particle size. The thermal stability of the centers is studied at various temperatures. A discussion of the shape of the resonance line is given, in terms of a model based on an anisotropic g ‐factor, and a random distribution of the orientations of the symmetry axes of the individual centers.