Strongly canted antiferromagnetic ground state in Cu3(OH)2F4

Igor L. Danilovich; Anna V. Merkulova; Igor V. Morozov; Evgeniy A. Ovchenkov; Felix M. Spiridonov; Elena A. Zvereva; Olga S. Volkova; Vladimir V. Mazurenko; Zlata V. Pchelkina; Alexander A. Tsirlin; Christian Balz; Stefan Holenstein; Hubertus Luetkens; Alexander A. Shakin; Alexander N. Vasiliev

doi:10.1016/j.jallcom.2018.10.032

Strongly canted antiferromagnetic ground state in Cu₃(OH)₂F₄

Igor L. Danilovich, Anna V. Merkulova, Igor V. Morozov, Evgeniy A. Ovchenkov, Felix M. Spiridonov, Elena A. Zvereva, Olga S. Volkova, Vladimir V. Mazurenko, Zlata V. Pchelkina, Alexander A. Tsirlin, Christian Balz, Stefan Holenstein, Hubertus Luetkens, Alexander A. Shakin, Alexander N. Vasiliev

Spectroscopy

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

An unique crystal structure of copper hydroxyl-fluorite, Cu₃(OH)₂F₄, hosts the trimerized chains of both edge-sharing and corner-sharing CuO₂F₂ plaquettes. The results of the comprehensive study of this compound, including new synthetic route, measurements of specific heat, ac- and dc-susceptibility, pulsed field magnetization, electron spin resonance, muon spin rotation and relaxation and first principles calculations are presented. The data evidence magnetic phase transition at T_C = 12.5 K into canted antiferromagnetic state which is due to antisymmetric Dzyaloshinskii-Moriya (DM) exchange interaction. No alteration of DM component stemming from the intrinsic features of the crystal lattice in Cu₃(OH)₂F₄ results in unusually large spontaneous magnetization. At T < T_C, the remanence M_R constitutes significant portion of saturation magnetization M_S which defines the canting angle φ = 4°.

Original language	English
Pages (from-to)	16-21
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	776
DOIs	https://doi.org/10.1016/j.jallcom.2018.10.032
State	Published - Mar 5 2019

Funding

We are grateful to J.-Y. Lin for the useful comments. This work was supported by the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST \u201CMISiS\u201D grant K2-2017-084 , by acts 211 of the Government of Russian Federation , Contracts No. 02.A03.21.0004 , 02.A03.21.0006 and 02.A03.21.0011 . Support by Russian Foundation for Basic Research through grants 16-02-00021 and 17-02-00211 is acknowledged. Theoretical calculations and ESR measurements were supported by the Russian Science Foundation through the project 17-12-01207 . This work was partially performed at Swiss Muon Source (S\u03BCS), PSI, Villigen. S.H. acknowledges financial support by the Swiss National Science Foundation (SNF-Grant 200021_159736 ).

Keywords

Canted antiferromagnetism
Cu(OH)F
Polyanion compound

Access to Document

10.1016/j.jallcom.2018.10.032

Cite this

Danilovich, I. L., Merkulova, A. V., Morozov, I. V., Ovchenkov, E. A., Spiridonov, F. M., Zvereva, E. A., Volkova, O. S., Mazurenko, V. V., Pchelkina, Z. V., Tsirlin, A. A., Balz, C., Holenstein, S., Luetkens, H., Shakin, A. A., & Vasiliev, A. N. (2019). Strongly canted antiferromagnetic ground state in Cu₃(OH)₂F₄ Journal of Alloys and Compounds, 776, 16-21. https://doi.org/10.1016/j.jallcom.2018.10.032

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title = "Strongly canted antiferromagnetic ground state in Cu3(OH)2F4 ",

abstract = "An unique crystal structure of copper hydroxyl-fluorite, Cu3(OH)2F4, hosts the trimerized chains of both edge-sharing and corner-sharing CuO2F2 plaquettes. The results of the comprehensive study of this compound, including new synthetic route, measurements of specific heat, ac- and dc-susceptibility, pulsed field magnetization, electron spin resonance, muon spin rotation and relaxation and first principles calculations are presented. The data evidence magnetic phase transition at TC = 12.5 K into canted antiferromagnetic state which is due to antisymmetric Dzyaloshinskii-Moriya (DM) exchange interaction. No alteration of DM component stemming from the intrinsic features of the crystal lattice in Cu3(OH)2F4 results in unusually large spontaneous magnetization. At T < TC, the remanence MR constitutes significant portion of saturation magnetization MS which defines the canting angle φ = 4°.",

keywords = "Canted antiferromagnetism, Cu(OH)F, Polyanion compound",

author = "Danilovich, {Igor L.} and Merkulova, {Anna V.} and Morozov, {Igor V.} and Ovchenkov, {Evgeniy A.} and Spiridonov, {Felix M.} and Zvereva, {Elena A.} and Volkova, {Olga S.} and Mazurenko, {Vladimir V.} and Pchelkina, {Zlata V.} and Tsirlin, {Alexander A.} and Christian Balz and Stefan Holenstein and Hubertus Luetkens and Shakin, {Alexander A.} and Vasiliev, {Alexander N.}",

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doi = "10.1016/j.jallcom.2018.10.032",

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Danilovich, IL, Merkulova, AV, Morozov, IV, Ovchenkov, EA, Spiridonov, FM, Zvereva, EA, Volkova, OS, Mazurenko, VV, Pchelkina, ZV, Tsirlin, AA, Balz, C, Holenstein, S, Luetkens, H, Shakin, AA & Vasiliev, AN 2019, 'Strongly canted antiferromagnetic ground state in Cu₃(OH)₂F₄ ', Journal of Alloys and Compounds, vol. 776, pp. 16-21. https://doi.org/10.1016/j.jallcom.2018.10.032

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AU - Danilovich, Igor L.

AU - Merkulova, Anna V.

AU - Morozov, Igor V.

AU - Ovchenkov, Evgeniy A.

AU - Spiridonov, Felix M.

AU - Zvereva, Elena A.

AU - Volkova, Olga S.

AU - Mazurenko, Vladimir V.

AU - Pchelkina, Zlata V.

AU - Tsirlin, Alexander A.

AU - Balz, Christian

AU - Holenstein, Stefan

AU - Luetkens, Hubertus

AU - Shakin, Alexander A.

AU - Vasiliev, Alexander N.

PY - 2019/3/5

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N2 - An unique crystal structure of copper hydroxyl-fluorite, Cu3(OH)2F4, hosts the trimerized chains of both edge-sharing and corner-sharing CuO2F2 plaquettes. The results of the comprehensive study of this compound, including new synthetic route, measurements of specific heat, ac- and dc-susceptibility, pulsed field magnetization, electron spin resonance, muon spin rotation and relaxation and first principles calculations are presented. The data evidence magnetic phase transition at TC = 12.5 K into canted antiferromagnetic state which is due to antisymmetric Dzyaloshinskii-Moriya (DM) exchange interaction. No alteration of DM component stemming from the intrinsic features of the crystal lattice in Cu3(OH)2F4 results in unusually large spontaneous magnetization. At T < TC, the remanence MR constitutes significant portion of saturation magnetization MS which defines the canting angle φ = 4°.

AB - An unique crystal structure of copper hydroxyl-fluorite, Cu3(OH)2F4, hosts the trimerized chains of both edge-sharing and corner-sharing CuO2F2 plaquettes. The results of the comprehensive study of this compound, including new synthetic route, measurements of specific heat, ac- and dc-susceptibility, pulsed field magnetization, electron spin resonance, muon spin rotation and relaxation and first principles calculations are presented. The data evidence magnetic phase transition at TC = 12.5 K into canted antiferromagnetic state which is due to antisymmetric Dzyaloshinskii-Moriya (DM) exchange interaction. No alteration of DM component stemming from the intrinsic features of the crystal lattice in Cu3(OH)2F4 results in unusually large spontaneous magnetization. At T < TC, the remanence MR constitutes significant portion of saturation magnetization MS which defines the canting angle φ = 4°.

KW - Canted antiferromagnetism

KW - Cu(OH)F

KW - Polyanion compound

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