Magnetic and ESR studies of Er3+ in lanthanum dihydride LaH2 |
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Authors: | H. Drulis K.P. Hoffmann B. Staliński |
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Affiliation: | Institute for Low Temperature and Structure Research, Polish Academy of Sciences 50-950 Wroc?aw, Poland |
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Abstract: | Er3+ electron spin resonance ESR and magnetic susceptibility have been studied in metallic lanthanum dihydride host. The ESR spectrum contains a single asymmetrical line with g-factor g = 6.68 ± 0.05 close to that expected for Γ7 as ground state. The experimental magnetic susceptibility was interpreted on the base of LLW cubic crystal field Hamiltonian. The best fit of the experimental data has been obtained for the following B4 and B6 crystal field parameters: B4 = ?5.2 × 10?3 K; B6 = 3.8 × 10?5 K which support the anionic-like character hydridic model of hydrogen atoms in this hydride. |
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