Structure of the Metastable Modification of Iron(III) Oxide Full article
Journal |
Journal of Structural Chemistry
ISSN: 0022-4766 , E-ISSN: 1573-8779 |
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Output data | Year: 2000, Volume: 41, Number: 3, Pages: 396-402 Pages count : 7 DOI: 10.1007/BF02741997 | ||
Tags | Hematite; Goethite; Thermolysis; Mechanochemical Activation; Thermolysis Product | ||
Authors |
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Affiliations |
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Funding (1)
1 | Russian Foundation for Basic Research | 97-03-33497 |
Abstract:
A new metastable modification of iron(III) oxide — protohematite — has been studied. According to the X-ray diffractogram, protohematite (R3c) is identified as hematite (R3c) but characterized by other selection rules for IR and Raman active vibrations. Protohematite does not possess mechanical stability. The protohematite-hematite phase transition is initiated by heating above 900°C, or by pressure application, or by mechanochemical activation. The higher catalytic activity of protohematite compared to hematite may be explained by its structural features, namely, by lowered symmetry of the oxygen sublattice and by the effective tetrahedral environment of some iron cations.
Cite:
Burgina E.B.
, Kustova G.N.
, Tsybulya S.V.
, Kryukova G.N.
, Litvak G.S.
, Isupova L.A.
, Sadykov V.A.
Structure of the Metastable Modification of Iron(III) Oxide
Journal of Structural Chemistry. 2000. V.41. N3. P.396-402. DOI: 10.1007/BF02741997 WOS Scopus РИНЦ
Structure of the Metastable Modification of Iron(III) Oxide
Journal of Structural Chemistry. 2000. V.41. N3. P.396-402. DOI: 10.1007/BF02741997 WOS Scopus РИНЦ
Original:
Бургина Е.Б.
, Кустова Г.Н.
, Цыбуля С.В.
, Крюкова Г.Н.
, Литвак Г.С.
, Исупова Л.А.
, Садыков В.А.
Особенности строения метастабильной модификации оксида железа (III)
Журнал структурной химии. 2000. Т.41. №3. С.489-498. РИНЦ
Особенности строения метастабильной модификации оксида железа (III)
Журнал структурной химии. 2000. Т.41. №3. С.489-498. РИНЦ
Dates:
Submitted: | Dec 24, 1998 |
Published print: | May 1, 2000 |
Identifiers:
Web of science | WOS:000165977600007 |
Scopus | 2-s2.0-0034563513 |
Elibrary | 13833919 |
Chemical Abstracts | 2001:2597 |
Chemical Abstracts (print) | 134:201960 |
OpenAlex | W2078805071 |