Direct Imaging of Dynamic Glassy Behavior in a Strained Manganite Film

Worasom Kundhikanjana, Zhigao Sheng, Yongliang Yang, Keji Lai, Eric Yue Ma, Yong-Tao Cui, Michael A. Kelly, Masao Nakamura, Masashi Kawasaki, Yoshinori Tokura, Qiaochu Tang, Kun Zhang, Xinxin Li, and Zhi-Xun Shen
Phys. Rev. Lett. 115, 265701 – Published 23 December 2015; Erratum Phys. Rev. Lett. 116, 019904 (2016)
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Abstract

Complex many-body interaction in perovskite manganites gives rise to a strong competition between ferromagnetic metallic and charge-ordered phases with nanoscale electronic inhomogeneity and glassy behaviors. Investigating this glassy state requires high-resolution imaging techniques with sufficient sensitivity and stability. Here, we present the results of a near-field microwave microscope imaging on the strain-driven glassy state in a manganite film. The high contrast between the two electrically distinct phases allows direct visualization of the phase separation. The low-temperature microscopic configurations differ upon cooling with different thermal histories. At sufficiently high temperatures, we observe switching between the two phases in either direction. The dynamic switching, however, stops below the glass transition temperature. Compared with the magnetization data, the phase separation was microscopically frozen, while spin relaxation was found in a short period of time.

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  • Received 21 July 2015
  • Corrected 30 December 2015

DOI:https://doi.org/10.1103/PhysRevLett.115.265701

© 2015 American Physical Society

Corrections

30 December 2015

Erratum

Publisher’s Note: Direct Imaging of Dynamic Glassy Behavior in a Strained Manganite Film [Phys. Rev. Lett. 115, 265701 (2015)]

Worasom Kundhikanjana, Zhigao Sheng, Yongliang Yang, Keji Lai, Eric Yue Ma, Yong-Tao Cui, Michael A. Kelly, Masao Nakamura, Masashi Kawasaki, Yoshinori Tokura, Qiaochu Tang, Kun Zhang, Xinxin Li, and Zhi-Xun Shen
Phys. Rev. Lett. 116, 019904 (2016)

Authors & Affiliations

Worasom Kundhikanjana1,2, Zhigao Sheng3,4,5, Yongliang Yang1, Keji Lai6, Eric Yue Ma1, Yong-Tao Cui1, Michael A. Kelly1, Masao Nakamura3, Masashi Kawasaki3,7, Yoshinori Tokura3,7, Qiaochu Tang8, Kun Zhang8, Xinxin Li8, and Zhi-Xun Shen1,*

  • 1Department of Applied Physics and Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA
  • 2School of Physics, Institute of Science, Suranaree University of Technology, Nakorn Ratchasima, Thailand
  • 3RIKEN Center for Emergent Matter Science (CEMS), Wako 251-0198, Japan
  • 4High Magnetic Field Laboratory of Chinese Academy of Science, Hefei 230031, China
  • 5Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
  • 6Department of Physics, University of Texas at Austin, Austin, Texas 78712, USA
  • 7Department of Applied Physics and Quantum Phase Electronics Research Center (QPEC), University of Tokyo, Tokyo 113-8656, Japan
  • 8State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China

  • *Corresponding author. zxshen@stanford.edu

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Vol. 115, Iss. 26 — 31 December 2015

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