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Title: Mechanism of Ferromagnetic Ordering of Mn Chains in CaMnGe2O6 Clinopyroxene
Authors: Temnikov, F. V.
Komleva, E. V.
Pchelkina, Z. V.
Streltsov, S. V.
Issue Date: 2019
Publisher: Pleiades Publishing
Citation: Mechanism of Ferromagnetic Ordering of Mn Chains in CaMnGe2O6 Clinopyroxene / F. V. Temnikov, E. V. Komleva, Z. V. Pchelkina, et al. — DOI 10.1134/S0021364019210033 // JETP Letters. — 2019. — Vol. 110. — Iss. 9. — P. 595-598.
Abstract: The electronic and magnetic properties of clinopyroxene CaMnGe2O6 were studied using density function calculations within the GGA + U approximation. It is shown that anomalous ferromagnetic ordering of neighboring chains is due to a “common-enemy” mechanism. Two antiferromagnetic exchange couplings between nearest neighbors within the Mn-Mn chain and interchain coupling via two GeO4 tetrahedra suppress antiferromagnetic exchange via single GeO4 tetrahedron and stabilize ferromagnetic ordering of Mn chains. © 2019, Pleiades Publishing, Inc.
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85074681564
PURE ID: 11901584
ISSN: 213640
DOI: 10.1134/S0021364019210033
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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