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Conduction electron spin resonance in aluminium at 20.98 and 9.27 GHz
Author(s) -
Sambles J. R.,
SharpDent G.,
Cousins J. E.,
Stesmans A.,
Witters J.
Publication year - 1977
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.2220790231
Subject(s) - laser linewidth , aluminium , thermal conduction , electron paramagnetic resonance , reflection (computer programming) , electron , impurity , condensed matter physics , spin (aerodynamics) , atomic physics , resonance (particle physics) , spectrometer , materials science , nuclear magnetic resonance , chemistry , computational physics , physics , optics , nuclear physics , thermodynamics , quantum mechanics , metallurgy , laser , computer science , programming language , composite material
The linewidths of the conduction electron spin resonances from high purity aluminium foils and films are measured at frequencies of 9.27 and 20.98 GHz using reflection spectrometers. An attempt is made to fit a breakdown of motional narrowing model to the data. It is found that such a model cannot satisfactorily explain the dependence of the linewidths on frequency, temperature, and sample thickness. Likewise a model based on many‐body effects, although explaining some of the features of the results, does not fit all the data. It is possible that a contribution to the impurity induced linewidth which is frequency dependent would provide a better fit and it is concluded that to fully interpret the data a more complex theory is necessary.