Superexchange interactions between Fe-3d and Ln-4f states: long range antiferromagnetism in perovskite derivatives Ba 3 LnFe 2 O 7.5
Source abstract
Abstract
Perovskite derivatives Ba 3 LnFe 2 O 7.5 can be described as an assemblage of double “FeLn” chains of isolated FeO 4 tetrahedrons and YO 6 octahedrons, interconnected through dimeric tetrahedral Fe 2 O 7 groups. Long range antiferromagnetic ordering, with T N ranging from 6.2 K for Y to 12.5 K for Dy, is observed in spite of the isolated character of iron.
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Research context
OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Multiferroics and related materials · Advanced Condensed Matter Physics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Discipline of Physics
Indian Institute of Information Technology
Design & Manufacturing Jabalpur
Madhya Pradesh–482005
India
Laboratoire CRISMAT
CNRS ENSICAEN UMR6508
Cedex 4
France
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