Structural change and phase coexistence upon magnetic ordering in the magnetodielectric spinel Mn${}_3$O${}_4$

Moureen C. Kemei, Jaye K. Harada, Ram Seshadri +1

Cooperative Jahn-Teller ordering is well-known to drive the cubic $Fd\overline{3}m$ to tetragonal $I$4${}_1$/$amd$ structural distortion in Mn${}_3$O${}_4$ at 1170 ${}^{\circ }$C. Further s…