About: High-field magnetization and magnetoelasticity of single crystalline HoFe5Al7

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/0953-8984/26/13/136001
Description	Magnetization and ultrasound measurements have been performed in pulsed magnetic fields up to 60 T on a ferrimagnetic HoFe5Al7 single crystal (Curie temperature T-C = 216 K, compensation point T-comp = 65 K) with a tetragonal crystal structure of the ThMn12- type. The compound exhibits a high magnetic anisotropy of the easy-plane type. A large anisotropy is also observed within the basal plane having an easy-magnetization direction along the [110] axis with the spontaneous magnetic moment M-s = 2 mu(B)/f.u. at T = 2 K. Along the easy axis, two first-order field-induced magnetic transitions are observed. At both transitions sharp anomalies in the acoustic properties are found. The critical fields of the transitions depend on temperature in a different manner. Within molecular-field theory and using the high-field magnetization data the Ho-Feinter-sublattice exchange parameter has been determined to be n(HoFe) approximate to 4 T/mu(B). The magnetoelasticity has also been probed by magnetization measurements under hydrostatic pressure. TC decreases with a rate dT(C)/dp = -10 K/GPa, whereas Tcomp increases with dT(comp)/dp = 3.5 K/GPa. Magnetization and ultrasound measurements have been performed in pulsed magnetic fields up to 60 T on a ferrimagnetic HoFe5Al7 single crystal (Curie temperature T-C = 216 K, compensation point T-comp = 65 K) with a tetragonal crystal structure of the ThMn12- type. The compound exhibits a high magnetic anisotropy of the easy-plane type. A large anisotropy is also observed within the basal plane having an easy-magnetization direction along the [110] axis with the spontaneous magnetic moment M-s = 2 mu(B)/f.u. at T = 2 K. Along the easy axis, two first-order field-induced magnetic transitions are observed. At both transitions sharp anomalies in the acoustic properties are found. The critical fields of the transitions depend on temperature in a different manner. Within molecular-field theory and using the high-field magnetization data the Ho-Feinter-sublattice exchange parameter has been determined to be n(HoFe) approximate to 4 T/mu(B). The magnetoelasticity has also been probed by magnetization measurements under hydrostatic pressure. TC decreases with a rate dT(C)/dp = -10 K/GPa, whereas Tcomp increases with dT(comp)/dp = 3.5 K/GPa. (en)
Title	High-field magnetization and magnetoelasticity of single crystalline HoFe5Al7 High-field magnetization and magnetoelasticity of single crystalline HoFe5Al7 (en)
skos:prefLabel	High-field magnetization and magnetoelasticity of single crystalline HoFe5Al7 High-field magnetization and magnetoelasticity of single crystalline HoFe5Al7 (en)
skos:notation	RIV/00216208:11320/14:10271625!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP204/12/0150), P(LM2011025), S
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Gorbunov, Denis
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	19131
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10271625
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pressure effect; field-induced transition; high magnetic fields; ferrimagnetism; magnetic anisotropy; rare-earth intermetallics (en)
http://linked.open.../riv/klicoveSlovo	pressure effect rare-earth intermetallics magnetic anisotropy ferrimagnetism field-induced transition high magnetic fields
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[29492C189129]
http://linked.open...i/riv/nazevZdroje	Journal of Physics Condensed Matter
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Magnetism, magnetoelasticity and magnetoacoustics of rare-earth and uranium intermetallics MLTL - Magnetism and Low Temperature Laboratories - operation and development of national research infrastructure
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	26
http://linked.open...iv/tvurceVysledku	Andreev, Alexander V. Skourski, Y. Arnold, Zdeněk Wosnitza, J. Gorbunov, Denis Yasin, S. Zherlitsyn, S.
http://linked.open...ain/vavai/riv/wos	000333182900015
issn	0953-8984
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0953-8984/26/13/136001
http://localhost/t...ganizacniJednotka	11320

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