About: Study of crystal-field excitations and Raman active phonons in o-DyMnO3.

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In DyMnO3 orthorhombic single crystals,the weak Raman active phonon softening below T=100 K is correlated with the study of infrared active Dy3+ CF excitations as a function of temperature and under applied magnetic field.We detect five H13/2 CF transitions that we predict with appropriate CF Hamiltonian and we confirm that the magnetic easy axis lies in the ab plane.While the CF energy level shifts below T=100 K reflect different displacements of the oxygen ions that contribute to the phonon softening,lifting of the ground state Kramers doublet degeneracy(30 cm-1) is observed below TN=39 K due to the anisotropic Mn3+-Dy3+ interaction, which could be responsible for the stability of the bc-cycloid ferroelectric phase. In DyMnO3 orthorhombic single crystals,the weak Raman active phonon softening below T=100 K is correlated with the study of infrared active Dy3+ CF excitations as a function of temperature and under applied magnetic field.We detect five H13/2 CF transitions that we predict with appropriate CF Hamiltonian and we confirm that the magnetic easy axis lies in the ab plane.While the CF energy level shifts below T=100 K reflect different displacements of the oxygen ions that contribute to the phonon softening,lifting of the ground state Kramers doublet degeneracy(30 cm-1) is observed below TN=39 K due to the anisotropic Mn3+-Dy3+ interaction, which could be responsible for the stability of the bc-cycloid ferroelectric phase. (en)
Title	Study of crystal-field excitations and Raman active phonons in o-DyMnO3. Study of crystal-field excitations and Raman active phonons in o-DyMnO3. (en)
skos:prefLabel	Study of crystal-field excitations and Raman active phonons in o-DyMnO3. Study of crystal-field excitations and Raman active phonons in o-DyMnO3. (en)
skos:notation	RIV/68378271:_____/11:00371415!RIV12-AV0-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA100100803), Z(AV0Z10100521)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Orlita, Milan Nekvasil, Vladimír
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	233049
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/11:00371415
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	manganite; multiferroic; Raman active phonons; crystal fields (en)
http://linked.open.../riv/klicoveSlovo	multiferroic Raman active phonons crystal fields manganite
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[BD2FDB0D4E31]
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	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Magnetoelectric ferrites
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	323
http://linked.open...iv/tvurceVysledku	Orlita, Milan Balbashov, A. Gospodino, M. M. Ivanov, V. Yu. Jandl, S. Mansouri, S. Mukhin, A. A. Nekvasil, Vladimír
http://linked.open...ain/vavai/riv/wos	000286197000012
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films
issn	0304-8853
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jmmm.2010.12.031

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