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We calculate repulsive Casimir forces between metallic and magnetic platesand quantitatively probe the magnetic plate's properties as tuning knobs forthe repulsion. Namely, the plate's thickness and its low-frequency permittivityand permeability. For a thin magnetic plate ($\leq 10\,\text{nm}$), we findthat repulsion can exist as long as $\mu(0) \geq \epsilon(0)$. We also explorethe effect of temperature on the repulsion and transition distance betweenattractive and repulsive interactions. We show how the parameters can be tunedto allow repulsion at sub-micron separation regimes, making it potentiallyaccessible to known high-resolution measurement techniques using magnetic vander Waals materials.

Enhanced repulsive Casimir forces between gold and thin magnetodielectric plates