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Evolution of Magnetism in Hf-Fe Metallic Glasses


Pajić, Damir; Marohnić, Željko; Drobac, Đuro; Zadro, Krešo; Ristić, Ramir; Babić, Emil
Evolution of Magnetism in Hf-Fe Metallic Glasses // ISMANAM 2011-Book of Abstracts / Gorria, Pedro ; Blanco, Jesus A (ur.).
Oviedo: University of Oviedo, 2011. str. 105-105 (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
Evolution of Magnetism in Hf-Fe Metallic Glasses

Autori
Pajić, Damir ; Marohnić, Željko ; Drobac, Đuro ; Zadro, Krešo ; Ristić, Ramir ; Babić, Emil

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
ISMANAM 2011-Book of Abstracts / Gorria, Pedro ; Blanco, Jesus A - Oviedo : University of Oviedo, 2011, 105-105

Skup
ISMANAM 2011

Mjesto i datum
Španjolska, 26.06-01.07.2011

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Metallic glasses; Quenching; Phase diagrams; Magnetic measurement

Sažetak
We have measured magnetization and ac susceptibility of Hf100-xFex (20≤x≤90) metallic glasses in the temperature range 1.5K to 300K and magnetic field up to 5.5T. For 25≤x≤43 magnetic susceptibility increases rapidly with x due to onset of magnetic correlations in the vicinity of transition into the ferromagnetic state, xc50. However, for 35≤x≤43 the alloys consist from the self-assembled magnetic nanoclusters embedded within paramagnetic matrix. These clusters grow rapidly with increasing x. Thus, with increasing Fe-content Hf-Fe glassy alloys evolve from superconducting through superparamagnetic to ferromagnetic state. The results are compared with those for Zr-Fe glassy alloys.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
119-1191458-1017 .
119-1191458-1019 - Elektromagnetska svojstva nanostrukturiranih materijala (Emil Babić, )

Ustanove
Prirodoslovno-matematički fakultet, Zagreb