Site occupancy of copper and gadolinium in PbMoO4 single crystals
- 1 September 1972
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 43 (9), 3880-3882
- https://doi.org/10.1063/1.1661830
Abstract
Optical and electron‐spin resonance measurements, at 78 and 300 °K, of copper‐doped lead molybdate (PbMoO4) single crystals, with and without gadolinium trace impurity, have shown that: (i) Gd3+ occupies the Pb2+ substitutional site, (ii) copper enters the lattice as both Cu2+ and Cu+ in Gd‐free crystals but mostly as Cu+ in Gd‐doped crystals, and (iii) Cu2+ occupies several distinct sites, none of which has the S 4 symmetry of the sites of either Pb2+ or Mo6+.Keywords
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