| Issue |
Europhys. Lett.
Volume 61, Number 1, January 2003
|
|
|---|---|---|
| Page(s) | 116 - 121 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-00257-1 | |
| Published online | 01 January 2003 | |
Conduction electron spin resonance in
x
1
Department of Physics, National Technical
University of Athens 157 80 Athens, Greece
2
Institute of Materials Science,
NCSR Demokritos 153 10 Aghia Paraskevi, Athens, Greece
3
School of Chemistry, Physics and Environmental
Science University of Sussex - Brighton BN1 9QJ, UK
Received:
24
June
2002
Accepted:
14
October
2002
Conduction electron spin resonance is employed to study the
interplay of the electronic and structural properties in the
normal state of
x
alloys
as a function of -doping for 
. The
x-dependence of the spin susceptibility reveals considerable
reduction of the total density of states 
with
increasing concentration, complying with theoretical
predictions for a predominant filling effect of the hole σ
bands by electron doping. The CESR linewidth exhibits significant
broadening, especially prominent in the high--content
region, indicative of the presence of enhanced structural
disorder, consistent with the presence of compositional
fluctuations.
PACS: 74.70.Ad – Metals; alloys and binary compounds (including A15, Laves phases, etc.) / 76.30.Pk – Conduction electrons / 74.62.Dh – Effects of crystal defects, doping and substitution
© EDP Sciences, 2003
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