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

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F11%3A00371415" target="_blank" >RIV/68378271:_____/11:00371415 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.jmmm.2010.12.031" target="_blank" >http://dx.doi.org/10.1016/j.jmmm.2010.12.031</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jmmm.2010.12.031" target="_blank" >10.1016/j.jmmm.2010.12.031</a>

Result language
angličtina
Original language name
Study of crystal-field excitations and Raman active phonons in o-DyMnO3.
Original language 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.
Czech name
—
Czech description
—

Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BM - Solid-state physics and magnetism
OECD FORD branch
—

Project
<a href="/en/project/IAA100100803" target="_blank" >IAA100100803: Magnetoelectric ferrites</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Similar results(10)