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Magnetic compensation phenomenon and the sign reversal in the exchange bias field in a single crystal of Nd <sub>0.75</sub> Ho <sub>0.25</sub> Al <sub>2</sub>
In the Nd0.75Ho0.25Al2 alloy system, the magnetic moments of Nd and Ho occupying the same crystallographic site randomly are antiferromagnetically coupled via long-range indirect exchange interaction mediated by the conduction electrons. A single crystal grown at this stoichiometry displays a magnetic compensation behavior (Tcompā¼24 K) in all orientations. In the ā¦