Time-Resolved Electronic Phase Transitions in Manganites

T. Z. Ward, X. G. Zhang, L. F. Yin, X. Q. Zhang, Ming Liu, P. C. Snijders, S. Jesse, E. W. Plummer, Z. H. Cheng, E. Dagotto, and J. Shen
Phys. Rev. Lett. 102, 087201 – Published 23 February 2009

Abstract

The dynamics of first-order electronic phase transitions in complex transition metal oxides are not well understood but are crucial in understanding the emergent phenomena of electronic phase separation. We show that a manganite system reduced to the scale of its inherent electronic charge-ordered insulating and ferromagnetic metal phase domains allows for the direct observation of single electronic phase domain fluctuations within a critical regime of temperature and magnetic field at the metal-insulator transition.

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  • Received 12 November 2008

DOI:https://doi.org/10.1103/PhysRevLett.102.087201

©2009 American Physical Society

Authors & Affiliations

T. Z. Ward1,2, X. G. Zhang3, L. F. Yin1, X. Q. Zhang4, Ming Liu5, P. C. Snijders1, S. Jesse1,3, E. W. Plummer2, Z. H. Cheng4, E. Dagotto1,2, and J. Shen1,2,*

  • 1Materials Sciences and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
  • 2Department of Physics and Astronomy, The University of Tennessee, Knoxville, Tennessee 37996, USA
  • 3Center for Nanophase Materials Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
  • 4State Key Laboratory of Magnetism and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 5Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100080, China

  • *To whom correspondence should be addressed. shenj@ornl.gov

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Vol. 102, Iss. 8 — 27 February 2009

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