Relationship between the dehydration temperature of Boehmite and the imperfection structure of γ-alumina

The relationship between the imperfection structure of γ-alumina formed by dehydration of Boehmite and the dehydration temperatures is established by analysing the integral width of X-ray reflections. Characterization of the imperfection structure is by calculation of average sizes of the aluminum a...

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Published inPolyhedron Vol. 15; no. 14; pp. 2421 - 2424
Main Author Jian-Min, Hao
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.07.1996
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Abstract The relationship between the imperfection structure of γ-alumina formed by dehydration of Boehmite and the dehydration temperatures is established by analysing the integral width of X-ray reflections. Characterization of the imperfection structure is by calculation of average sizes of the aluminum and oxygen sublattices, and the lattice strains. Two types of stacking faults are introduced to explain the imperfection structure. One type of stacking fault appears at low dehydration temperatures and has more influence on the aluminum sublattice, the other formed at higher dehydration temperatures affects the oxygen sublattice.
AbstractList The relationship between the imperfection structure of γ-alumina formed by dehydration of Boehmite and the dehydration temperatures is established by analysing the integral width of X-ray reflections. Characterization of the imperfection structure is by calculation of average sizes of the aluminum and oxygen sublattices, and the lattice strains. Two types of stacking faults are introduced to explain the imperfection structure. One type of stacking fault appears at low dehydration temperatures and has more influence on the aluminum sublattice, the other formed at higher dehydration temperatures affects the oxygen sublattice.
Author Jian-Min, Hao
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CitedBy_id crossref_primary_10_1039_B306170A
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Cites_doi 10.1107/S0108768191002719
10.1002/pssa.2210310233
10.7498/aps.43.772
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Title Relationship between the dehydration temperature of Boehmite and the imperfection structure of γ-alumina
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