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Inorganic Materials: Applied Research

, Volume 3, Issue 4, pp 338–341 | Cite as

Sodium metavanadate NaVO3 crystal: Frustrated ferroelectric and electret

  • B. K. Ponomarev
  • B. S. Red’kin
  • V. V. Sinitsyn
Article

Abstract

We measured the temperature behavior of the spontaneous electric polarization of a monocrystalline sodium metavanadate NaVO3 sample along the polar axis [010] at temperatures from 20 to 610°C in zero external field. It was found that the spontaneous electric polarization has a wide maximum in the range from 200 to 300°C and remains nonzero up to 610°C. Measurements of electric polarization of the sample, subjected to the thermoelectric treatment, proved that NaVO3 is an electret. The electrical hysteresis loop in an alternating electric field with a frequency of 50 Hz and amplitude of 450 V/cm was measured in the vicinity of the temperature maximum.

Keywords

sodium metavanadate NaVO3 crystal electric polarization segnetoelectric electret 

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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • B. K. Ponomarev
    • 1
  • B. S. Red’kin
    • 1
  • V. V. Sinitsyn
    • 1
  1. 1.Institute of Solid State PhysicsRussian Academy of SciencesChernogolovkaRussia

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