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Название: Magnetically frustrated synthetic end member Mn2(PO4)OH in the triplite-triploidite family
Авторы: Yakubovich, O. V.
Shvanskaya, L. V.
Dimitrova, O. V.
Volkova, O. S.
Vasiliev, A. N.
Дата публикации: 2017
Издатель: Royal Society of Chemistry
Библиографическое описание: Magnetically frustrated synthetic end member Mn2(PO4)OH in the triplite-triploidite family / O. V. Yakubovich, L. V. Shvanskaya, O. V. Dimitrova et al. // Dalton Transactions. — 2017. — Vol. 46. — Iss. 26. — P. 8680-8686.
Аннотация: The manganese end member of triplite-triploidite series of compounds, Mn2(PO4)OH, is synthesized by a hydrothermal method. Its crystal structure is refined in the space group P21/c with a = 12.411(1) Å, b = 13.323(1) Å, c = 10.014(1) Å, β = 108.16(1), V = 1573.3 Å3, Z = 8, and R = 0.0375. Evidenced in measurements of magnetization M and specific heat Cp, Mn2(PO4)OH reaches a long range antiferromagnetic order at TN = 4.6 K. As opposed to both triplite Mn2(PO4)F and triploidite-type Co2(PO4)F, the title compound is magnetically frustrated being characterized by the ratio of Curie-Weiss temperature Θ to Néel temperature TN of about 20. The large value of frustration strength Θ/TN stems from the twisted saw tooth chain geometry of corner sharing triangles of Mn polyhedra, which may be isolated within tubular fragments of a triploidite crystal structure. © 2017 The Royal Society of Chemistry.
Ключевые слова: MAGNETIZATION
MANGANESE
MANGANESE COMPOUNDS
ANTIFERROMAGNETIC ORDERINGS
CHAIN GEOMETRY
CORNER SHARING
CURIE-WEISS TEMPERATURE
HYDROTHERMAL METHODS
MEASUREMENTS OF
SPACE GROUPS
TITLE COMPOUNDS
CRYSTAL STRUCTURE
URI: http://elar.urfu.ru/handle/10995/75114
Условия доступа: info:eu-repo/semantics/openAccess
Идентификатор SCOPUS: 85021877780
Идентификатор WOS: 000404860300040
Идентификатор PURE: 1969985
ISSN: 1477-9226
DOI: 10.1039/c7dt01707c
Сведения о поддержке: We thank E. V. Guseva for the X-ray spectral analysis of the sample and N. V. Zubkova for her help in the X-ray experiment. This work was supported by the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST "MISiS" project K2-2016-066 and by RFBR projects 15-05-06742, 16-02-00021 and 17-02-00211. The work was supported by Act 211 Government of the Russian Federation, contracts 02.A03.21.0004, 02.A03.21.0006 and 02.A03.21.0011.
Располагается в коллекциях:Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC

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