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Bound Small Polaron Optical Absorption in V − ‐Type Centres in MgO
Author(s) -
Schirmer O. F.,
Koidl P.,
Reik H. G.
Publication year - 1974
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.2220620207
Subject(s) - polaron , oscillator strength , absorption (acoustics) , position (finance) , atomic physics , materials science , physics , condensed matter physics , optics , quantum mechanics , spectral line , finance , electron , economics
A theory, based on the method of moments, is described which predicts exact lineshapes for the optical absorption of bound small polarons. This theory explains the position, large width, and high oscillator strength of the optical absorption of the V Al −centre in MgO and the polarisation of V − in MgO, which has been observed under uniaxial stress.