• Mössbauer effect studies...

Treffer: Mössbauer effect studies of Fe-C combinatorially sputtered thin films

Title:
Mössbauer effect studies of Fe-C combinatorially sputtered thin films
Authors:
AL-MAGHRABI, M. A, SANDERSON, R. J, DUNLAP, R. A
Source:
Philosophical magazine (2003. Print). 93(22-24):3278-3290
Publisher Information:
Abingdon: Taylor & Francis, 2013.
Publication Year:
2013
Physical Description:
print, 19 ref
Original Material:
INIST-CNRS
Subject Terms:
Crystallography, Cristallographie cristallogenèse, Condensed state physics, Physique de l'état condensé, Sciences exactes et technologie, Exact sciences and technology, Physique, Physics, Domaines interdisciplinaires: science des materiaux; rheologie, Cross-disciplinary physics: materials science; rheology, Science des matériaux, Materials science, Méthodes de dépôt de films et de revêtements; croissance de films et épitaxie, Methods of deposition of films and coatings; film growth and epitaxy, Depôt par pulvérisation cathodique, Deposition by sputtering, Addition fer, Iron additions, Alliage ferromagnétique, Magnetically soft alloy, Aleación ferromagnética, Arrangement atomique, Atomic arrangement, Arreglo atómico, Asymétrie, Asymmetry, Carbone, Carbon, Champ faible, Low field, Campo débil, Champ intense, High field, Champ magnétique hyperfin, Hyperfine magnetic field, Campo magnético hiperfino, Couche mince amorphe, Amorphous thin film, Capa fina amorfa, Couche mince, Thin films, Diffraction RX, XRD, Distribution champ, Field distribution, Distribución campo, Décomposition quadripolaire, Quadrupolar splitting, Descomposición cuadripolar, Dépôt pulvérisation, Sputter deposition, Effet Mössbauer, Moessbauer effect, Effet composition, Composition effect, Efecto composición, Effet concentration, Quantity ratio, Microsonde électronique, Electron microprobe, Microsonda electrónica, Méthode combinatoire, Combinatorial method, Método combinatorio, Nanostructure, Nanostructures, Pulvérisation irradiation, Sputtering, Spectrométrie Mössbauer, Moessbauer spectroscopy, 8115C
Document Type:
Fachzeitschrift Article
File Description:
text
Language:
English
Author Affiliations:
Department of Physics and Atmospheric Science, Dalhousie University, P.O. Box 15000, Halifax, Nova Scotia B3H 4R2, Canada
General Studies Department, Yanbu Industrial College, Royal Commission for Jubail and Yanbu, P.O. Box 176, Yanbu Al-Sinaiyah, Saudi Arabia
Institute for Research in Materials, Dalhousie University, P.O. Box 15000, Halifax, Nova Scotia B3H 4R2, Canada
College of Sustainability, Dalhousie University, P.O. Box 15000, Halifax, Nova Scotia B3H 4R2, Canada
ISSN:
1478-6435
Access URL:
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=27696411
Rights:
Copyright 2014 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Physics and materials science
Accession Number:
edscal.27696411
Database:
PASCAL Archive

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Alloys of Fe1-xCx were produced using combinatorial sputtering methods. The composition of the films as a function of position was determined using electron microprobe techniques and the results have shown that a composition range of about 0.35 < x < 0.75 was obtained. X-ray diffraction methods were employed to study the structure of the thin films and showed that all portions of the films were amorphous or nanostructured. Room temperature 57Fe Mössbauer spectroscopy was utilized to study the atomic environment around the Fe atoms. Hyperfine field distributions of ferromagnetic alloys, as extracted from the Mössbauer analysis, suggested the existence of two classes of Fe sites: (1) classes of Fe sites that have primarily Fe neighbours corresponding to a high-field component in the distribution and (2) classes of Fe sites that have a greater number of C neighbours, corresponding to a low-field component. The magnetic splitting decreased as a function of increasing carbon concentration and alloys with x greater than about 0.68 were primarily paramagnetic in nature. These spectra exhibited distributions of quadrupole splitting with mean splitting in excess of 1.0 mm/s. This indicates a higher degree of local asymmetry around the Fe sites than typically seen in other Fe-metalloid systems.