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2005
Vanadium
I 5000
23- 019
Selective Synthesis of Monazite- and Zircon-Type LaVO4 Nanocrystals. — The
title nanocrystals are hydrothermally synthesized from aqueous solutions containing
La(NO3)3, Na3VO 4, and additives such as AcONa, citric sodium, diehtylenetriaminepentaacetic acid, or 2-diaminocyclohexanetetraacetic acid (autoclave, 120—240 °C,
0.5—24 h). The samples are characterized by powder XRD and TEM. Chelating
ligands favor the formation of tetragonal LaVO4 and can induce a transformation from
stable monoclinic to metastable tetragonal LaVO4. Tetragonal LaVO4 exhibits improved luminescent and catalytic performance. — (JIA, C.-J.; SUN*, L.-D.; YOU,
L.-P.; JIANG, X.-C.; LUO, F.; PANG, Y.-C.; YAN, C.-H.; J. Phys. Chem. B 109
(2005) 8, 3284-3290; Natl. Lab. Rare-Earth Chem. Mater., Peking Univ.,
Beijing 100871, Peop. Rep. China; Eng.) — W. Pewestorf
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