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Structure and growth kinetics of the oxidation process of Fe(001) whisker surfaces over a 10-decade pressure range |
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| Authors: | Salvador Ferrer Odile Robach Olivier Balmes Helena Isern Iona Popa Marcelo Ackerman |
| Affiliation: | 1. Alba Synchrotron Light Source , Carretera BP 1413, Km 3.3, 08290 Cerdanyola del Vallès (Barcelona), Spain;2. CEA-Grenoble DSM, 17, rue des Martyrs, 38054 Grenoble cedex 9, France;3. European Synchrotron Radiation Facility , BP 220 , F-38043 Grenoble, cedex, France;4. Institut Carnot de Bourgogne, 9, avenue A. Savary, BP, 47870, 21078 DIJON Cedex, France;5. Cosine Research BV, Niels Bohrweg 11, 2333 CA Leiden, The Netherlands |
| Abstract: | Fe(001) surfaces of whiskers of good crystalline quality were oxidized in a pressure range from 10? 7 mbar to 1 bar at different temperatures. Epitaxial Fe3O4 and FeO thin films with negligible strain were grown depending on the oxidation temperatures. The kinetics of the oxide thickness growth was measured and compared with the predictions of the Fromhold–Cook theory for oxidation of metals. Some discrepancies were found and a possible explanation is presented. |
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