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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F12%3A10127712%21RIV13-GA0-11320___
rdf:type
n11:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1103/PhysRevB.86.024420
dcterms:description
Single-crystal (100)-oriented YMnO3 thin films grown on (110)-oriented SrTiO3 substrates have been studied by polarized extended x-ray absorption fine structure to determine the Mn-O bond lengths. Using a simple geometrical model and previously reported x-ray diffraction data on the same samples, the Mn-O-Mn bonding angles are calculated. We show that the epitaxy-induced in-plane anisotropic strain has a dramatic impact on the bonding angles, allowing the rationalization of the reported existence of cycloidalmagnetic order and concomitant ferroelectricity in moderately strained films and the gradual suppression by larger strains. We shall argue that epitaxial strain allows shifting YMnO3 from an E-type to A-type antiferromagnetic ground state, crossing a cycloidal magnetic region. Single-crystal (100)-oriented YMnO3 thin films grown on (110)-oriented SrTiO3 substrates have been studied by polarized extended x-ray absorption fine structure to determine the Mn-O bond lengths. Using a simple geometrical model and previously reported x-ray diffraction data on the same samples, the Mn-O-Mn bonding angles are calculated. We show that the epitaxy-induced in-plane anisotropic strain has a dramatic impact on the bonding angles, allowing the rationalization of the reported existence of cycloidalmagnetic order and concomitant ferroelectricity in moderately strained films and the gradual suppression by larger strains. We shall argue that epitaxial strain allows shifting YMnO3 from an E-type to A-type antiferromagnetic ground state, crossing a cycloidal magnetic region.
dcterms:title
Strain-driven transition from E-type to A-type magnetic order in YMnO3 epitaxial films Strain-driven transition from E-type to A-type magnetic order in YMnO3 epitaxial films
skos:prefLabel
Strain-driven transition from E-type to A-type magnetic order in YMnO3 epitaxial films Strain-driven transition from E-type to A-type magnetic order in YMnO3 epitaxial films
skos:notation
RIV/00216208:11320/12:10127712!RIV13-GA0-11320___
n11:predkladatel
n12:orjk%3A11320
n4:aktivita
n5:P
n4:aktivity
P(GPP204/11/P339)
n4:cisloPeriodika
2
n4:dodaniDat
n8:2013
n4:domaciTvurceVysledku
Martí, Xavier
n4:druhVysledku
n19:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
171518
n4:idVysledku
RIV/00216208:11320/12:10127712
n4:jazykVysledku
n9:eng
n4:klicovaSlova
diffraction; absorption; fine-structure
n4:klicoveSlovo
n7:diffraction n7:fine-structure n7:absorption
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[294F4DD9B0D5]
n4:nazevZdroje
Physical Review B - Condensed Matter and Materials Physics
n4:obor
n20:BM
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
5
n4:projekt
n18:GPP204%2F11%2FP339
n4:rokUplatneniVysledku
n8:2012
n4:svazekPeriodika
86
n4:tvurceVysledku
Jimenez-Villacorta, F. Fina, I. Gallastegui, J. A. Martí, Xavier Fontcuberta, J.
n4:wos
000306409600007
s:issn
1098-0121
s:numberOfPages
4
n16:doi
10.1103/PhysRevB.86.024420
n15:organizacniJednotka
11320