Ternary mixed magnetic Co/Mn/Ni dichloride dihydrate

Ternary mixed magnetic Co1−xMnyNix−yCl2·2H2O has as its components three well studied antiferromagnets. Each is characterized by MCl2MCl2M...chemical and structural chains, with intrachain exchange interactions antiferromagnetic for the Mn component but ferromagnetic for the other two components. Co...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 200; no. 3; p. 032016
Main Authors DeFotis, G C, Hampton, A S, Pothen, J M
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2010
Subjects
Antiferromagnetism
Dichlorides
Ferromagnetism
Magnetic permeability
Magnetic properties
Manganese
Nickel
Physics
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Summary:Ternary mixed magnetic Co1−xMnyNix−yCl2·2H2O has as its components three well studied antiferromagnets. Each is characterized by MCl2MCl2M...chemical and structural chains, with intrachain exchange interactions antiferromagnetic for the Mn component but ferromagnetic for the other two components. Competing ferromagnetic and antiferromagnetic intrachain exchange interactions occur in two different pairwise combinations. Reported here is the magnetic behavior of an equimolar mixture of the three components. One maximum appears in the magnetic susceptibility vs temperature, at 4.85 ± 0.05 K, a quite interesting result since decidedly lower than the locations of susceptibility maxima in the pure components. A pronounced upturn in the susceptibility below 2.3 K also appears. Magnetization vs field isotherms display increasingly strong convex upward curvature and associated hysteresis with decreasing temperature. All of these characteristics differ markedly from those of the pure components.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/200/3/032016