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Ferromagnetic bubble clusters in Y$_{0.67}$Ca$_{0.33}$MnO$_3$ thin films

Authors
  • Kim, Jeehoon
  • Haberkorn, N.
  • Civale, L.
  • Dowden, P. C.
  • Movshovich, R.
Type
Preprint
Publication Date
Jan 04, 2013
Submission Date
Jan 04, 2013
Identifiers
DOI: 10.1063/1.4806967
Source
arXiv
License
Yellow
External links

Abstract

We studied the ferromagnetic topology in a Y$_{0.67}$Ca$_{0.33}$MnO$_3$ thin film with a combination of magnetic force microscopy and magnetization measurements. Our results show that the spin-glass like behavior, reported previously for this system, could be attributed to frustrated interfaces of the ferromagnetic clusters embedded in a non-ferromagnetic matrix. We found temperature dependent changes of the magnetic topology at low temperatures, which suggests a non-static Mn$^{3+}$/Mn$^{4+}$ ratio.

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