MICROSTRUCTURE AND GAS SENSITIVE PROPERTIES OF ALPHA-FE2O3-MO2 (M SN AND TI) MATERIALS PREPARED BY BALL-MILLING

Authors
JIANG JZ LIN R MORUP S
Citation
Jz. Jiang et al., MICROSTRUCTURE AND GAS SENSITIVE PROPERTIES OF ALPHA-FE2O3-MO2 (M SN AND TI) MATERIALS PREPARED BY BALL-MILLING, Hyperfine interactions, 113(1-4), 1998, pp. 261-267
Citations number
26
Categorie Soggetti
Physics, Atomic, Molecular & Chemical","Physics, Nuclear","Physics, Condensed Matter
Journal title
Hyperfine interactions → ACNP
ISSN journal
03043843
Volume
113
Issue
1-4
Year of publication
1998
Pages
261 - 267
Database
ISI
SICI code
0304-3843(1998)113:1-4<261:MAGSPO>2.0.ZU;2-R
Abstract
Metastable alpha-Fe2O3-MO2 (M: Sn and Ti) solid solutions can be synth esized by mechanical alloying. The alloy formation, microstructuret an d gas sensitive properties of mechanically milled alpha-Fe2O3-SnO2 mat erials are discussed. Tin ions in alpha-Fe2O3 are found to occupy the empty octahedral holes in the alpha-Fe2O3 lattice. This interstitial m odel can also describe the structure of alpha-Fe2O3-TiO2 solid solutio ns. Finally, a correlation of gas sensitive properties with microstruc ture of alpha-Fe2O3SnO2 materials is presented.