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Titolo:
Lorentz microscopy of circular ferromagnetic permalloy nanodisks
Autore:
Schneider, M; Hoffmann, H; Zweck, J;
Indirizzi:
Univ Regensburg, Inst Expt & Angew Phys, D-93040 Regensburg, Germany Univ Regensburg Regensburg Germany D-93040 , D-93040 Regensburg, Germany
Titolo Testata:
APPLIED PHYSICS LETTERS
fascicolo: 18, volume: 77, anno: 2000,
pagine: 2909 - 2911
SICI:
0003-6951(20001030)77:18<2909:LMOCFP>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
TUNNEL-JUNCTIONS; DOT ARRAYS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Schneider, M Univ Regensburg, Inst Expt & Angew Phys, D-93040 Regensburg, Germany Univ Regensburg Regensburg Germany D-93040 ensburg, Germany
Citazione:
M. Schneider et al., "Lorentz microscopy of circular ferromagnetic permalloy nanodisks", APPL PHYS L, 77(18), 2000, pp. 2909-2911

Abstract

Circular permalloy elements were fabricated by a combination of electron beam lithography, thermal evaporation and liftoff technique on electron transparent membrane substrates. The magnetic properties have been studied by Lorentz transmission electron microscopy. In situ magnetizing experiments have been carried out to obtain information about the nucleation and propagation of magnetic domains within the permalloy nanodisks and to determine thenucleation and saturation fields. The diameter of the patterned elements has been varied between 180 and 950 nm, the height was 15 nm. The experiments showed that the vortex configuration is the most favorable state in zero field conditions of all investigated permalloy nanodisks. (C) 2000 AmericanInstitute of Physics. [S0003-6951(00)05243-8].

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Documento generato il 29/09/20 alle ore 20:28:41