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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F11%3A10105759%21RIV12-GA0-11320___
rdf:type
skos:Concept n11:Vysledek
rdfs:seeAlso
http://iopscience.iop.org/1742-6596/303/1/012115
dcterms:description
CePdAl is a heavy-fermion antiferromagnet with TN = 2:7 K, crystallizing in the ZrNiAl-type structure. The magnetic structure is described by the propagation vector k= (1/2, 0, ), = 0.35, with the cerium magnetic moments aligned along the c-axis. One third of magnetic moments remains disordered due to the geometrical frustration. Specific heat measurements on substituted Ce1xYxPdAl compounds revealed strong reduction of TN with Y substitution and the antiferromagnetic order vanishes around x = 0:2. To investigate the microscopic details of the changes in the magnetic structure evoked by nonmagnetic ion substitution, we have performed an experiment on the powder neutron diffractometer E6 at HZB on the samples with x = 0:02; 0:06 and 0:1. Measurements showed the magnitude reduction of the ordered cerium moments with Y substitution while the propagation vector and other magnetic structure characteristics remain unchanged. CePdAl is a heavy-fermion antiferromagnet with TN = 2:7 K, crystallizing in the ZrNiAl-type structure. The magnetic structure is described by the propagation vector k= (1/2, 0, ), = 0.35, with the cerium magnetic moments aligned along the c-axis. One third of magnetic moments remains disordered due to the geometrical frustration. Specific heat measurements on substituted Ce1xYxPdAl compounds revealed strong reduction of TN with Y substitution and the antiferromagnetic order vanishes around x = 0:2. To investigate the microscopic details of the changes in the magnetic structure evoked by nonmagnetic ion substitution, we have performed an experiment on the powder neutron diffractometer E6 at HZB on the samples with x = 0:02; 0:06 and 0:1. Measurements showed the magnitude reduction of the ordered cerium moments with Y substitution while the propagation vector and other magnetic structure characteristics remain unchanged.
dcterms:title
Frustrated magnetic structure of Y-substituted CePdAl studied by powder neutron diffraction Frustrated magnetic structure of Y-substituted CePdAl studied by powder neutron diffraction
skos:prefLabel
Frustrated magnetic structure of Y-substituted CePdAl studied by powder neutron diffraction Frustrated magnetic structure of Y-substituted CePdAl studied by powder neutron diffraction
skos:notation
RIV/00216208:11320/11:10105759!RIV12-GA0-11320___
n11:predkladatel
n20:orjk%3A11320
n3:aktivita
n17:S n17:P n17:Z
n3:aktivity
P(GA202/09/1027), S, Z(MSM0021620834)
n3:cisloPeriodika
01
n3:dodaniDat
n9:2012
n3:domaciTvurceVysledku
n4:9036962 n4:9322000
n3:druhVysledku
n15:J
n3:duvernostUdaju
n22:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
200460
n3:idVysledku
RIV/00216208:11320/11:10105759
n3:jazykVysledku
n13:eng
n3:klicovaSlova
diffraction; neutron; powder; studied; CePdAl; Y-substituted; structure; magnetic; Frustrated
n3:klicoveSlovo
n7:diffraction n7:CePdAl n7:structure n7:Y-substituted n7:powder n7:Frustrated n7:studied n7:neutron n7:magnetic
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[63B77EBE3C8D]
n3:nazevZdroje
Journal of Physics: Conference Series
n3:obor
n14:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n21:GA202%2F09%2F1027
n3:rokUplatneniVysledku
n9:2011
n3:svazekPeriodika
303
n3:tvurceVysledku
Čermák, Petr Javorský, Pavel Hofmann, Tommy
n3:wos
000299084800115
n3:zamer
n18:MSM0021620834
s:issn
1742-6588
s:numberOfPages
4
n5:doi
10.1088/1742-6596/303/1/012115
n19:organizacniJednotka
11320