%0 journal article
%@ 0953-8984
%A Qin, Y.,Tyson, T.A.,Pranzas, P.K.,Eckerlebe, H.

%D 2008
%J Journal of Physics: Condensed Matter
%N 19
%P 195209 
%R doi:10.1088/0953-8984/20/19/195209
%T Observation of ferromagnetic clusters in Bi0.125Ca0.875MnO3
%U https://doi.org/10.1088/0953-8984/20/19/195209
19 
%X The electron doped manganite system, Bi0.125Ca0.875MnO3, exhibits large bulk magnetization of unknown origin. To select amongst possible magnetic ordering models, we have conducted temperature and magnetic field dependent small-angle neutron scattering measurements. Non-trivial spin structure has been revealed. Ferromagnetic spin clusters form in the antiferromagnetic background when temperature is decreased to Tc~108 K. With a further reduction in temperature or the application of external magnetic field, the clusters begin to form in larger numbers, which gives an overall enhancement of magnetization below Tc.