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Crystal field effects in the zig-zag chain compound SrTm2O4
Bhat Kademane, A.1; Quintero-Castro, D. L.1,2; Siemensmeyer, K.2; Salazar-Mejia, C.3; Gorbunov, D.3; Stewart, J. R.4; Luetkens, H.5; Baines, C.5; Li, Haifeng6,7
2022-06-01
Source PublicationJournal of Magnetism and Magnetic Materials
ISSN0304-8853
Volume551
Abstract

The single ion properties of the zig-zag chain compound SrTmO have been investigated using heat capacity, magnetic susceptibility, magnetization, inelastic neutron scattering, and polarized muon spectroscopy. Two crystal field models are employed to estimate the single ion properties; a Density Function Theory based model and an effective charge model based on the Hutchings point charge model. The latter describes our experimental results well. This model estimates an easy-axis anisotropy for one of the Tm sites and an easy-plane anisotropy for the second site. It also predicts a mixed ground state with dominating J=0 characteristics for both sites. Additionally, muon spin rotation/relaxation (μSR) spectra reveal oscillations, typically a sign of long-range magnetic order. However, the temperature dependence of the precession frequency and the relaxation rates indicate that the system is in an extended critical regime and the observed relaxation is actually dynamic.

KeywordCrystal Fields Neutron Scattering Rare-earth Oxide Μsr
DOI10.1016/j.jmmm.2022.169020
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary;physics, Condensed Matter
WOS IDWOS:000784315000003
Scopus ID2-s2.0-85124300317
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorBhat Kademane, A.
Affiliation1.University of Stavanger, Stavanger, 4021, Norway
2.Helmholtz Zentrum Berlin für Materialien und Energie, Berlin, D-14109, Germany
3.Hochfeld-Magnetlabor Dresden (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf, Dresden, 01328, Germany
4.ISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Didcot, OX11 0QX, United Kingdom
5.Paul Scherrer Institut, Villigen PSI, 5232, Switzerland
6.Jülich Center for Neutron Science, Jülich, 52428, Germany
7.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Avenida da Universidade, 999078, Macao
Recommended Citation
GB/T 7714
Bhat Kademane, A.,Quintero-Castro, D. L.,Siemensmeyer, K.,et al. Crystal field effects in the zig-zag chain compound SrTm2O4[J]. Journal of Magnetism and Magnetic Materials,2022,551.
APA Bhat Kademane, A.,Quintero-Castro, D. L.,Siemensmeyer, K.,Salazar-Mejia, C.,Gorbunov, D.,Stewart, J. R.,Luetkens, H.,Baines, C.,&Li, Haifeng.(2022).Crystal field effects in the zig-zag chain compound SrTm2O4.Journal of Magnetism and Magnetic Materials,551.
MLA Bhat Kademane, A.,et al."Crystal field effects in the zig-zag chain compound SrTm2O4".Journal of Magnetism and Magnetic Materials 551(2022).
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