Authors:
D. Yokoyama Tokyo University of Science Department of Chemistry 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan

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K. Namiki Tokyo University of Science Department of Chemistry 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan

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H. Fukasawa Tokyo University of Science Department of Chemistry 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan

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J. Miyazaki Tokyo University of Science Department of Chemistry 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan

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K. Nomura The University of Tokyo Department of Applied Chemistry 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan

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Y. Yamada Tokyo University of Science Department of Chemistry 1-3 Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan

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Abstract  

Iron oxides, magnetite Fe3O4 and hematite Fe2O3 were laser-deposited onto Al substrates at various temperatures, and the Mössbauer spectra of the films were measured. The compositions of the films changed depending on the formation temperature of the substrate, oxide deficiency in the lattice structures and the formation process of the iron oxides. The films were composed of Fe3−xO4 and Fe1−xO independent of the laser-evaporation source (magnetite or hematite). Fe3−xO4 was seen to be dominant at higher temperatures and Fe1−xO was dominant at lower temperatures. The compositions of the films were confirmed by X-ray diffraction (XRD) measurements, and the surfaces of the deposited films were examined using scanning electron microscopy (SEM).

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)