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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F12%3A00376818%21RIV13-GA0-68081723
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Paper is primarily devoted to the surface investigations of the FINEMET-type Fe73.5Si13.5Nb3Cu1B9 ribbons. As-quenched (AQ) samples were subsequently annealed at different temperatures from 733 K to 923 K in vacuum and hydrogen in order to follow the influence of both treatment parameters on microstructure and magnetic properties. Two-phase magneto-optical (MO) hysteresis loops observed at AQ ribbons correspond to an amorphous structure composed of clusters of the size in units of nm (calculated from XRD). The annealing temperatures are responsible for the origin of the -Fe and/or -Fe(Si) nanocrystals of various size formed at the surface and consequently penetrating into the ribbon volume while the atmospheres influence surface oxidation. An interesting occurrence of the asymmetric reversal of longitudinal magnetization, clearly observed after annealing at 733 K and 743 K, is discussed from the viewpoint of quadratic magneto-optical effects. The loop asymmetry decreases with increasing annealing temperature and disappears at 923 K. Paper is primarily devoted to the surface investigations of the FINEMET-type Fe73.5Si13.5Nb3Cu1B9 ribbons. As-quenched (AQ) samples were subsequently annealed at different temperatures from 733 K to 923 K in vacuum and hydrogen in order to follow the influence of both treatment parameters on microstructure and magnetic properties. Two-phase magneto-optical (MO) hysteresis loops observed at AQ ribbons correspond to an amorphous structure composed of clusters of the size in units of nm (calculated from XRD). The annealing temperatures are responsible for the origin of the -Fe and/or -Fe(Si) nanocrystals of various size formed at the surface and consequently penetrating into the ribbon volume while the atmospheres influence surface oxidation. An interesting occurrence of the asymmetric reversal of longitudinal magnetization, clearly observed after annealing at 733 K and 743 K, is discussed from the viewpoint of quadratic magneto-optical effects. The loop asymmetry decreases with increasing annealing temperature and disappears at 923 K.
dcterms:title
Influence of annealing temperature and atmosphere on surface microstructure and magnetism in FINEMET-type FeSiNbCuB ribbons Influence of annealing temperature and atmosphere on surface microstructure and magnetism in FINEMET-type FeSiNbCuB ribbons
skos:prefLabel
Influence of annealing temperature and atmosphere on surface microstructure and magnetism in FINEMET-type FeSiNbCuB ribbons Influence of annealing temperature and atmosphere on surface microstructure and magnetism in FINEMET-type FeSiNbCuB ribbons
skos:notation
RIV/68081723:_____/12:00376818!RIV13-GA0-68081723
n8:predkladatel
n9:ico%3A68081723
n3:aktivita
n13:S n13:P n13:Z
n3:aktivity
P(1M0512), P(ED0040/01/01), P(GAP108/11/1350), P(GAP205/11/2137), S, Z(AV0Z20410507), Z(MSM6198910016)
n3:cisloPeriodika
4
n3:dodaniDat
n15:2013
n3:domaciTvurceVysledku
n5:6334008 n5:7873212
n3:druhVysledku
n18:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
141329
n3:idVysledku
RIV/68081723:_____/12:00376818
n3:jazykVysledku
n11:eng
n3:klicovaSlova
Soft magnetic materials; nanostructured materials; quadratic magneto-optical effects; magnetic domains; X-ray scattering; electron microscopy
n3:klicoveSlovo
n7:nanostructured%20materials n7:quadratic%20magneto-optical%20effects n7:X-ray%20scattering n7:magnetic%20domains n7:Soft%20magnetic%20materials n7:electron%20microscopy
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[9A9E165BD091]
n3:nazevZdroje
IEEE Transactions on Magnetics
n3:obor
n17:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
6
n3:projekt
n6:1M0512 n6:ED0040%2F01%2F01 n6:GAP108%2F11%2F1350 n6:GAP205%2F11%2F2137
n3:rokUplatneniVysledku
n15:2012
n3:svazekPeriodika
48
n3:tvurceVysledku
Matějka, V. Jirásková, Yvonna Buršík, Jiří Životský, O. Hendrych, A. Klimša, L.
n3:wos
000302087800028
n3:zamer
n10:MSM6198910016 n10:AV0Z20410507
s:issn
0018-9464
s:numberOfPages
4
n16:doi
10.1109/TMAG.2011.2171479