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Surface Morphologies of Magnesium Vanadium Oxide, Mg 2‐x V 1+x O 4
Author(s) -
OSHIMA HIROTOSHI
Publication year - 1983
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1983.tb10586.x
Subject(s) - magnesium , vanadium , vanadium oxide , morphology (biology) , crystallography , materials science , oxide , mineralogy , analytical chemistry (journal) , chemistry , metallurgy , genetics , biology , chromatography
The microscopic appearance of the particle surfaces of magnesium vanadium oxide, Mg 2‐x V 1+x O 4 , loose powders prepared in various atmospheres at 1200°C was studied. The surface morphology, observed by SEM, was dependent on the V 4+ content, and three typical features were distinguished at the following x values:1 0.75≤ x <1.00; rounded crystals with smooth surfaces 2 0.55≤ x ≤0.75; edged crystals with stepped surfaces 3 x ≤0.55; coarse crystals with rough surfaces