Abstract
Abstract Single crystals of UCoGa have been grown in different conditions and subsequently annealed in order to provide a collection of samples representing various quality as to concentration of lattice defects. The different sample quality “grades” have been characterized by values of residual electrical resistivity. Correlations of magnetic parameters (coercive field, Curie temperature) with residual resistivity have been determined and domain-wall pinning by crystal defects has been confirmed as the underlying mechanism of coercive field in strongly anisotropic ferromagnets.
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