Electron Paramagnetic Resonance of Photoexcited States of ${Nd}^{+ 3}$ in Single Crystals of La ${Cl}_{3}$

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6 September 1971

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 27 (10) , 638-640
https://doi.org/10.1103/physrevlett.27.638

Abstract

Electron-paramagnetic-resonance spectra of

{Nd}^{+ 3}

ions in the

f^{3}

,

{}^{4}I_{\frac{13}{2}}

and

{}^{4}I_{\frac{15}{2}}

excited states were observed at ∼1.5°K in a single-crystal La

{Cl}_{3}

host. Values of the spin-Hamiltonian parameters which describe the spectra of the even-nuclear-spin species and of the

{}^{145}{Nd}^{+ 3}

ion were determined. The excited states of

{Nd}^{+ 3}

were populated by energy transfer from photoexcited

U^{+ 3}

ions incorporated in the same crystal.

Keywords

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