Magnetic imaging of a supercooling glass transition in a weakly disordered ferromagnet

@article{Wu2006MagneticIO,
  title={Magnetic imaging of a supercooling glass transition in a weakly disordered ferromagnet},
  author={W. Wu and C. Israel and N. Hur and S. Park and S. Cheong and A. de Lozanne},
  journal={Nature Materials},
  year={2006},
  volume={5},
  pages={881-886}
}
Spin glasses are founded in the frustration and randomness of microscopic magnetic interactions. They are non-ergodic systems where replica symmetry is broken. Although magnetic glassy behaviour has been observed in many colossal magnetoresistive manganites, there is no consensus that they are spin glasses. Here, an intriguing glass transition in (La,Pr,Ca)MnO3 is imaged using a variable-temperature magnetic force microscope. In contrast to the speculated spin-glass picture, our results show… Expand
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