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The European Physical Journal B

, Volume 61, Issue 3, pp 287–291 | Cite as

Resistive switching in β-SrV6O15

Solids and Liquids
  • 68 Downloads

Abstract.

We investigate the pressure and temperature behavior of current-dependent resistivity of β-SrV6O15. We observe a switching between states of different resistivities in the insulating state of β-SrV6O15. In the low pressure phase, the resistive switching appears at temperatures below the semiconductor-insulator transition. In the high pressure phase, under ~1.6 GPa, the switching appears in the temperature range of the phase transition. The existence of switching may imply an important role of strontium off-stoichiometry for the electrical transport in β-SrV6O15. No electric-field-induced enhancement of the conductivity is observed. However, the conduction is significantly nonlinear under ~1.6 GPa, indicating that the charge order pattern in the high pressure phase is considerably different from that of the low pressure phase.

PACS.

71.30.+h Metal-insulator transitions and other electronic transitions 72.60.+g Mixed conductivity and conductivity transitions 

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Authors and Affiliations

  1. 1.Institut de Physique de la matière complexeLausanneSwitzerland

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