Frustrated minority spins in GeNi2O4

M. Matsuda, J. -H. Chung, S. Park +10

Recently, two consecutive phase transitions were observed, upon cooling, in an antiferromagnetic spinel GeNi${}_2$O${}_4$ at $T_{N1}=12.1$ K and $T_{N2}=11.4$ K, respectively \cite{mat…