Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
57 (1985), S. 3488-3490
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Electron spin resonance has been studied in single crystal spheres of EuxSr1−xS with samples of nominal composition x=0.4, 0.5, and 0.54. The emphasis has been on the field for resonance of x=0.4 material at 11.65 GHz at temperatures between 4.2 and 1.65 K. Even at the lowest temperatures the lines do not vary with crystal orientation. In all samples there is a depression of the field for resonance beginning at about 10 K, and increasing to the lowest temperatures. This is interpeted as an "internal'' field Hi. Measurements at 17 GHz reveal that Hi for all three compositions decreases with increasing frequency. Surprisingly, at 1.65 K, this seems to vary with sphere size for the x=0.4 composition. In addition to the experiments on spheres, a small plate-shaped specimen of x=0.4 was studied. It too showed a large depression of the field for resonance at 1.75 K.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.335035
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