Two successive field-induced spin-flop transitions in single-crystalline CaCo$_{2}$As$_{2}$

CaCo $_{2}$ As $_{2}$ , a ThCr $_{2}$ Si $_{2}$ -structure compound, undergoes an antiferromagnetic transition at \emph{T $_{N}$ }=76K with the magnetic moments being aligned parallel to the \emph{c} axis. Electronic transport measurement reveals that the coupling between conducting carriers and magnetic order in CaCo $_{2}$ As $_{2}$ is much weaker comparing to the parent compounds of iron pnictide. Applying magnetic field along \emph{c} axis induces two successive spin-flop transitions in its magnetic state. The magnetization saturation behaviors with \emph{ $H$ $∥$ c} and \emph{ $H$ $∥$ ab} at 10K indicate that the antiferromagnetic coupling along \emph{c} direction is very weak. The interlayer antiferromagntic coupling constant \emph{J $_{c}$ } is estimated to be about 2 meV.

Two successive field-induced spin-flop transitions in single-crystalline CaCo $_{2}$ As $_{2}$

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Two successive field-induced spin-flop transitions in single-crystalline CaCo $_{2}$ As $_{2}$

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Two successive field-induced spin-flop transitions in single-crystalline CaCo22​As22​

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Two successive field-induced spin-flop transitions in single-crystalline CaCo22​As22​

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Two successive field-induced spin-flop transitions in single-crystalline CaCo $_{2}$ As $_{2}$

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Two successive field-induced spin-flop transitions in single-crystalline CaCo $_{2}$ As $_{2}$

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