Abstract
We have measured the specific heat, electrical resistivity, and magnetic susceptibility of Ba 2MnZn 2As 2O 2. This phase has a magnetic transition at 30 K, and zero-field-cooled and field-cooled magnetic susceptibilities separate below this transition. The specific heat has a γT term suggesting a spin-glass-like state. The electrical resistivity is semiconducting with an activation energy of 1070 K, which rapidly decreases at the rate of −106 K/ GPa .
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