Neel temperature

Schaab, J, M Trassin, A Scholl, A Doran, Z Yan, E Bourret, Ramamoorthy Ramesh, and D Meier. "Ferroelectric domains in the multiferroic phase of ErMnO3 imaged by low-temperature photoemission electron microscopy." Journal of Physics: Conference Series. Ed. Dalmas M. Vol. 592. Institute of Physics Publishing, 2014.

Ramesh, Ramamoorthy, F Zavaliche, Y.H Chu, L.W Martin, S.Y Yang, M.P Cruz, M Barry, K Lee, P Yang, and Q Zhan. "Magnetoelectric complex-oxide heterostructures." Philosophical Magazine Letters 87 (2007) 155–164.