Key Role of Charge Disproportionation in Monoclinic Semiconducting Fe${}_2$PO${}_5$, a Room-Temperature d-Wave Altermagnet Candidate

Zhen Zhang, Mohd Anas, Andrey Kutepov +2

${\hat{I}}^2$-Fe${}_2$PO${}_5$ is an emerging room-temperature d-wave altermagnet featuring quasi-one-dimensional crystal and magnetic structures, orthogonal transport channels for opposite spi…