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Anisotropic magnetic susceptibility of erbium and ytterbium in zircon, ZrSiO4

Journal of Physics and Chemistry of Solids
By: , and 

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Abstract

Magnetic susceptibility measurements have been made for both Er- and Yb-doped (1̃03ppm) zircon single crystals with the magnetic field perpendicular and parallel to the [001] axis. Large susceptibility anisotropies were found in both cases. Our observed anisotropies of ZrSiO4: Yb indicate small populations (1̃9%) of Yb ions at the axial (tetragonal) sites, as the susceptibility of ZrSiO4: Yb would be nearly isotropic if the Yb ions only occupied the orthorhombic sites. For Er3+ in orthorhombic sites of zircon, our data indicate that the first excited state is paramagnetic with gx = 9 and gy 5̃ at 20 cm-1 above the ground state (gx 0̃, gy 1̃5). The first excited state is quite similar to the ground states observed for Er3+ in many host lattices. ?? 1977.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Anisotropic magnetic susceptibility of erbium and ytterbium in zircon, ZrSiO4
Series title Journal of Physics and Chemistry of Solids
Volume 38
Issue 5
Year Published 1977
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Journal of Physics and Chemistry of Solids
First page 477
Last page 480