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SM ISO690:2012 TURTA, Constantin, TEODORESCU, V., MIHALACHE, A., GHEORGHITA, Eugene, VOLODINA, Galina, FILOTI, George. Microscopy and mossbauer studies of iron states in doped gallium antimonide. In: Fizică şi tehnică: procese, modele, experimente, 2015, nr. 1, pp. 23-33. ISSN 1857-0437. |
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Fizică şi tehnică: procese, modele, experimente | |
Numărul 1 / 2015 / ISSN 1857-0437 | |
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CZU: 621.315.592 | |
Pag. 23-33 | |
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Rezumat | |
A single crystal of gallium antimonide doped with 3 at.% 57Fe was obtained via the Czochralski method. The Mössbauer investigations revealed four iron patterns - one diamagnetic and three Fe magnetically ordered sites, even at room temperature. The data suggested that iron containing compounds are formed at grain boundaries and the microscopy images revealed the presence of two types of boundaries and holes of different shape and size. The EDX
spectrum provided different amounts of Fe in the crystal (GaSb) and, respectively, at the boundary area. |
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Cuvinte-cheie gallium antimonide, iron-57, Mossbauer spectra, microscopy investigation, antimonidul de galiu, izotop-57, Spectrul Mössbauer, investigaţia microscopică |
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