Observation of ferromagnetic clusters in Bi0.125Ca 0.875MnO3

Document Type

Article

Publication Date

5-14-2008

Abstract

The electron doped manganite system, Bi0.125Ca 0.875MnO3, 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∼108K. 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 T c. © 2008 IOP Publishing Ltd.

Identifier

42549096055 (Scopus)

Publication Title

Journal of Physics Condensed Matter

External Full Text Location

https://doi.org/10.1088/0953-8984/20/19/195209

e-ISSN

1361648X

ISSN

09538984

Issue

19

Volume

20

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