Temat: CEMS - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The influence of Co and V substitution on structural properties of FINEMET-type alloys
Autorzy:: Szumiata, T.
Gawroński, M.
Brzózka, K.
Górka, B.
Sovák, P.
Pavlík, P.
Powiązania:: https://bibliotekanauki.pl/articles/148217.pdf
Data publikacji:: 2007
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: magnetic texture
CEMS
polarized radiation
Opis:: The effect of addition of Co and V on the hyperfine parameters of amorphous as well as nanocrystalline Finemet-type alloys has been studied by means of transmission Mössbauer spectrometry. It was stated that these elements infiltrate into crystalline grains in the course of crystallization, what causes alteration in structure. Different evolution of magnetic hyperfine field is reported in both cases and analyzed. In the series of alloys substituted by vanadium, the substantial paramagnetic component attributed to iron-poor regions in the amorphous remainder was found.
Źródło:: Nukleonika; 2007, 52, supl. 1; 21-28
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Mössbauer study of vacuum annealed Fe100-xGax (10 less - than or equal to x less - than or equal to 35) thin films
Autorzy:: Szumiata, T.
Górka, B.
Brzózka, K.
Gawroński, M.
Gzik-Szumiata, M.
Javed, A.
Morley, N. A.
Gibbs, M. R. J.
Powiązania:: https://bibliotekanauki.pl/articles/147332.pdf
Data publikacji:: 2013
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: Fe-Ga
thin films
CEMS
MOKE
Opis:: This work reports results from comparative Mossbauer studies of as-deposited and annealed Fe100.xGax (10 less - than or equal to x less - than or equal to 35) high magnetostrictive thin films of constant thickness (50 plus or minus 2 nm). Films were grown on Si(100) substrates using a co-sputtering and evaporation chamber where Fe has been sputtered and Ga was evaporated. During growth of films, a magnetic field of 65 kA/m has been applied in the plane of the film. Annealed films have been obtained by heating in vacuum for 1 h at 350 centigrade without magnetic field. After annealing, the saturation field of the Fe-Ga films has been significantly reduced. By means of the 57Fe CEMS technique the contributions from several phases have been found: Fe-Ga A2 (bcc), traces of DO3 phase, a gallium-rich disordered phase and iron oxides (both geothite and magnetite). For the sample with x = 26.5 the heat treatment reduces the DO3 phase content whereas for the film with x = 16.4 the opposite tendency has been observed. Mossbauer results were compared with XRD and MOKE findings.
Źródło:: Nukleonika; 2013, 58, 1; 27-30
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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