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Paramagnetic resonance of EuB6

Authors
Journal
Journal of Magnetic Resonance (1969)
0022-2364
Publisher
Elsevier
Publication Date
Volume
8
Issue
2
Identifiers
DOI: 10.1016/0022-2364(72)90075-3

Abstract

Abstract Paramagnetic resonance measurements were performed on the Eu 2+ ion in the semiconducting compound EuB 6. Well-defined single-line spectra were obtained at 9.076 4 GHz on pressed, powdered samples at 77, 195, and 295°K. A description is given of an analysis technique, utilizing a programmable calculator, in which the spectra were accurately reproduced by a linear combination of Lorentzian absorption and dispersion susceptibility components. Demagnetizing effects were clearly apparent in the data and required that corrections be applied to obtain the g factor of 2.004±0.001. The observed half-power linewidths were 1724, 1516, and 1494 Oe at 77, 195, and 295°K, respectively. This temperature dependence of Δ H was also attributed to demagnetizing effects so that an extrapolated half-power linewidth of 1477 Oe was obtained.

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