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Magnetic and spectral properties of the multisublattice oxides SrY2O4 : Er3+andSrEr2O4
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Malkin, B. Z., Nikitin, S. I., Mumdzhi, I. E., Zverev, D. G., Yusupov, R. V., Gilmutdinov, I. F., Batulin, R., Gabbasov, B. F., Kiiamov, A. G., Adroja, D. T., Young, Olga and Petrenko, Oleg (2015) Magnetic and spectral properties of the multisublattice oxides SrY2O4 : Er3+andSrEr2O4. Physical Review B, 92 (9). 094415 . doi:10.1103/PhysRevB.92.094415 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.92.094415
Abstract
SrEr2O4 is a geometrically frustrated magnet which demonstrates rather unusual properties at low temperatures including a coexistence of long- and short-range magnetic order, characterized by two different propagation vectors. In the present work, the effects of crystal fields (CFs) in this compound containing four magnetically inequivalent erbium sublattices are investigated experimentally and theoretically. We combine the measurements of the CF levels of the Er3+ ions made on a powder sample of SrEr2O4 using neutron spectroscopy with site-selective optical and electron paramagnetic resonance measurements performed on single crystal samples of the lightly Er-doped nonmagnetic analog, SrY2O4. Two sets of CF parameters corresponding to the Er3+ ions at the crystallographically inequivalent lattice sites are derived which fit all the available experimental data well, including the magnetization and dc susceptibility data for both lightly doped and concentrated samples.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Library of Congress Subject Headings (LCSH): | Strontium compounds -- Magnetic properties | ||||
Journal or Publication Title: | Physical Review B | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1098-0121 | ||||
Official Date: | 10 September 2015 | ||||
Dates: |
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Volume: | 92 | ||||
Number: | 9 | ||||
Article Number: | 094415 | ||||
DOI: | 10.1103/PhysRevB.92.094415 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Copyright Holders: | American Physical Society | ||||
Date of first compliant deposit: | 24 April 2017 | ||||
Date of first compliant Open Access: | 25 April 2017 | ||||
Funder: | Russia (Federation). Ministerstvo obrazovanii︠a︡ i nauki [Ministry of Education and Science], Rossiĭskiĭ fond fundamentalʹnykh issledovaniĭ [Russian Foundation for Basic Research] (RFFI) | ||||
Grant number: | 14-02-00826 (RFFI) |
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