Anisotropic magnetic susceptibility of erbium and ytterbium in zircon, ZrSiO4
Journal of Physics and Chemistry of Solids
By: A. N. Thorpe, Charles Briggs, T. Tsang, F. Senftle, and Corrine Alexander
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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.
| 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 |
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