About: Influence of annealing temperature and atmosphere on surface microstructure and magnetism in FINEMET-type FeSiNbCuB ribbons

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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. (en)
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 (en)
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 (en)
skos:notation	RIV/68081723:_____/12:00376818!RIV13-GA0-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(1M0512), P(ED0040/01/01), P(GAP108/11/1350), P(GAP205/11/2137), S, Z(AV0Z20410507), Z(MSM6198910016)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Buršík, Jiří Jirásková, Yvonna
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	141329
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/12:00376818
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Soft magnetic materials; nanostructured materials; quadratic magneto-optical effects; magnetic domains; X-ray scattering; electron microscopy (en)
http://linked.open.../riv/klicoveSlovo	electron microscopy magnetic domains X-ray scattering Soft magnetic materials quadratic magneto-optical effects nanostructured materials
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[9A9E165BD091]
http://linked.open...i/riv/nazevZdroje	IEEE Transactions on Magnetics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Research center of powdered nanomaterials Magnetophotonic interactions in realistic nanostructures Regional materials science and technology centre Effects of cores and boundaries of nanograins on structural and physical properties of ball milled and mechanically alloyed iron-based materials.
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Buršík, Jiří Jirásková, Yvonna Matějka, V. Hendrych, A. Klimša, L. Životský, O.
http://linked.open...ain/vavai/riv/wos	000302087800028
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
issn	0018-9464
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/TMAG.2011.2171479
is http://linked.open...avai/riv/vysledek of	Influence of annealing temperature and atmosphere on surface microstructure and magnetism in FINEMET-type FeSiNbCuB ribbons

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