Epitaxial GdAlGe films from 1 to 90 monolayers show an altermagnetic state with an increasing ferromagnetic admixture toward the monolayer limit, intrinsic exchange bias, and a metal-insulator transition below 3 monolayers.
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Competing Magnetic States in the Candidate Altermagnet GdAlGe
Epitaxial GdAlGe films from 1 to 90 monolayers show an altermagnetic state with an increasing ferromagnetic admixture toward the monolayer limit, intrinsic exchange bias, and a metal-insulator transition below 3 monolayers.