First-principles study of FeSe epitaxial films on SrTiO<sub>3</sub><xref ref-type="fn" rid="cpb151797fn1">*</xref>

First-principles study of FeSe epitaxial films on SrTiO₃*

Liu Kai^a), Gao Miao^b), Lu Zhong-Yi^a), Xiang Tao^b)

Possible magnetic orders in FeSe: (a) checkerboard AFM Néel order, (b) collinear AFM order, (c) bicollinear AFM order, and (d) pair-checkerboard AFM order. The red and blue arrows represent the up and down spins of Fe ions, respectively.