Metal insulator transition characteristics of macro-size single domain VO2 crystals

Bongjin Simon Mun, Joonseok Yoon, Sung Kwan Mo, Kai Chen, Nobumichi Tamura, Catherine Dejoie, Martin Kunz, Zhi Liu, Y. Yvette Lee, Kyungsun Moon, Changwoo Park, Honglyoul Ju

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4 Citations (Scopus)


The metal insulator transition (MIT) characteristics of macro-size single-domain VO2 crystal were investigated. At the MIT, the VO 2 crystal exhibited a rectangular shape hysteresis curve, a large change in resistance between the insulating and the metallic phases, in the order of ~105, and a small transition width (i.e. temperature difference before and after MIT) as small as 10-3°C. These MIT characteristics of the VO2 crystals are discussed in terms of phase boundary motion and the possibility of controlling the speed of the phase boundary, with change in size of crystal, is suggested.

Original languageEnglish
Pages (from-to)941-946
Number of pages6
JournalPhase Transitions
Issue number10
Publication statusPublished - 2013 Oct 1

Bibliographical note

Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2009-0073366). K. Chen is supported by NSFC (50925104) and the 973 program of China (2010CB631003). The Advanced Light Source at the Lawrence Berkeley National Laboratory is supported by the Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division of the US Department of Energy under Contract No. DE-AC02-05CH11231. BL upgrade of BL 12.3.2. was made possible through the NSF grant No. 0 416 243.

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Materials Science(all)


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