Exchange bias in manganite NPs

Evidence of exchange bias effect and surface spin glass ordering in electron doped Sm0.09Ca0.91MnO3 nanomanganites.
S. K. Giri, A. Poddar, and T. K. Nath
J. Appl. Phys.112, 113903 (2012)

The schematic representation of the phenomenological model forbulk manganites and the corresponding nanograins, described in the text.