Resistive switching in β-SrV 6 O 15

A. Akrap (), R. Gaal and L. Forró

The European Physical Journal B: Condensed Matter and Complex Systems, 2008, vol. 61, issue 3, 287-291

Abstract: We investigate the pressure and temperature behavior of current-dependent resistivity of β-SrV 6 O 15 . We observe a switching between states of different resistivities in the insulating state of β-SrV 6 O 15 . 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-SrV 6 O 15 . 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. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Keywords: 71.30.+h Metal-insulator transitions and other electronic transitions; 72.60.+g Mixed conductivity and conductivity transitions (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1140/epjb/e2008-00074-4

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