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Pregled bibliografske jedinice broj: 159737

Superparamegnetic relaxation in Cu_xFe_3-xO_4 (x=0.5 and x=1) nanoparticles


Pajić, Damir; Zadro, Krešo; Vandenberghe, Robert; Nedkov, Ivan
Superparamegnetic relaxation in Cu_xFe_3-xO_4 (x=0.5 and x=1) nanoparticles // Journal of magnetism and magnetic materials, 281 (2004), 353-363 (međunarodna recenzija, članak, znanstveni)


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Naslov
Superparamegnetic relaxation in Cu_xFe_3-xO_4 (x=0.5 and x=1) nanoparticles

Autori
Pajić, Damir ; Zadro, Krešo ; Vandenberghe, Robert ; Nedkov, Ivan

Izvornik
Journal of magnetism and magnetic materials (0304-8853) 281 (2004); 353-363

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Single-domain nanoparticles; Superparamagnetism; Magnetic relaxation; Magnetic viscosity;

Sažetak
The scope of this article is to report very detailed results of the measurements of magnetic relaxation phenomena in the new Cu0.5Fe2.5O4 nanoparticles and known CuFe2O4 nanoparticles. The size of synthesized particles is (6.5&plusmn ; ; 1.5) nm. Both samples show the superparamagnetic behaviour, with the well-defined phenomena of the blocking of magnetic moment. This includes the splitting of zero-field-cooled and field-cooled magnetic moment curves, dynamical hysteresis, slow quasi-logarithmic relaxation of magnetic moment below blocking temperature. The scaling of the magnetic moment relaxation data at different temperatures confirms the applicability of the simple thermal relaxation model. The two copper-ferrites with similar structures show significantly different magnetic anisotropy density and other magnetic properties. Investigated systems exhibit the consistency of all obtained results.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
0119258

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Damir Pajić (autor)

Avatar Url Krešo Zadro (autor)

Citiraj ovu publikaciju

Pajić, Damir; Zadro, Krešo; Vandenberghe, Robert; Nedkov, Ivan
Superparamegnetic relaxation in Cu_xFe_3-xO_4 (x=0.5 and x=1) nanoparticles // Journal of magnetism and magnetic materials, 281 (2004), 353-363 (međunarodna recenzija, članak, znanstveni)
Pajić, D., Zadro, K., Vandenberghe, R. & Nedkov, I. (2004) Superparamegnetic relaxation in Cu_xFe_3-xO_4 (x=0.5 and x=1) nanoparticles. Journal of magnetism and magnetic materials, 281, 353-363.
@article{article, year = {2004}, pages = {353-363}, keywords = {Single-domain nanoparticles, Superparamagnetism, Magnetic relaxation, Magnetic viscosity, }, journal = {Journal of magnetism and magnetic materials}, volume = {281}, issn = {0304-8853}, title = {Superparamegnetic relaxation in Cu\_xFe\_3-xO\_4 (x=0.5 and x=1) nanoparticles}, keyword = {Single-domain nanoparticles, Superparamagnetism, Magnetic relaxation, Magnetic viscosity, } }
@article{article, year = {2004}, pages = {353-363}, keywords = {Single-domain nanoparticles, Superparamagnetism, Magnetic relaxation, Magnetic viscosity, }, journal = {Journal of magnetism and magnetic materials}, volume = {281}, issn = {0304-8853}, title = {Superparamegnetic relaxation in Cu\_xFe\_3-xO\_4 (x=0.5 and x=1) nanoparticles}, keyword = {Single-domain nanoparticles, Superparamagnetism, Magnetic relaxation, Magnetic viscosity, } }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus





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