About: Specific-heat study of Ce(Cu,Al)(4) compounds

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.jmmm.2013.04.043
Description	The CeCuxAl4-x, compounds crystallize in the tetragonal BaNiSn3-type structure for x between 0.7 and 1.1. The unit cell volume as well as the c/a ratio decreases with increasing x. All compounds order magnetically with the ordering temperature decreasing with increasing the Cu content x. The specific heat in the ordered state follows the same type of behavior for all concentrations, suggesting similar type of magnons. The change of the specific heat in applied magnetic field, on the other hand, indicates transition between antiferromagnetic order in CeCuAl3 to ferromagnetic order in CeCu0.75Al3.25. The magnetic entropy at the ordering temperature is reduced below R In 2 due to the Kondo effect. Specific heat of corresponding LaCuxAl4-x compounds was measured to analyze properly the magnetic specific heat in the paramagnetic region. The crystal field energy schemes were estimated and compared with neutron scattering data. The CeCuxAl4-x, compounds crystallize in the tetragonal BaNiSn3-type structure for x between 0.7 and 1.1. The unit cell volume as well as the c/a ratio decreases with increasing x. All compounds order magnetically with the ordering temperature decreasing with increasing the Cu content x. The specific heat in the ordered state follows the same type of behavior for all concentrations, suggesting similar type of magnons. The change of the specific heat in applied magnetic field, on the other hand, indicates transition between antiferromagnetic order in CeCuAl3 to ferromagnetic order in CeCu0.75Al3.25. The magnetic entropy at the ordering temperature is reduced below R In 2 due to the Kondo effect. Specific heat of corresponding LaCuxAl4-x compounds was measured to analyze properly the magnetic specific heat in the paramagnetic region. The crystal field energy schemes were estimated and compared with neutron scattering data. (en)
Title	Specific-heat study of Ce(Cu,Al)(4) compounds Specific-heat study of Ce(Cu,Al)(4) compounds (en)
skos:prefLabel	Specific-heat study of Ce(Cu,Al)(4) compounds Specific-heat study of Ce(Cu,Al)(4) compounds (en)
skos:notation	RIV/00216208:11320/13:10139982!RIV14-GA0-11320___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GA202/09/1027), P(LM2011025), S
http://linked.open...iv/cisloPeriodika	April
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Javorský, Pavel Klicpera, Milan
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	106899
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/13:10139982
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Crystal field; CeCuAl3; Magnetic order; Specific heat (en)
http://linked.open.../riv/klicoveSlovo	Crystal field CeCuAl3 Magnetic order Specific heat
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[689CBC4D2282]
http://linked.open...i/riv/nazevZdroje	Journal of Magnetism and Magnetic Materials
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Exotic quantum states in 4f- and 5f-electron intermetallics MLTL - Magnetism and Low Temperature Laboratories - operation and development of national research infrastructure
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	342
http://linked.open...iv/tvurceVysledku	Javorský, Pavel Klicpera, Milan
http://linked.open...ain/vavai/riv/wos	000320584200025
issn	0304-8853
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jmmm.2013.04.043
http://localhost/t...ganizacniJednotka	11320

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