Colossal above-room-temperature metal-insulator switching of a Wadsley-type tunnel bronze

Colossal above-room-temperature metal-insulator switching of a Wadsley-type tunnel bronze

We show evidence of the manifestation of enormous metal-insulator switching ranging up to almost six orders of magnitude in individual nanowires of β'-Cu(x)V(2)O(5). The magnitude and temperature of the phase transition is in strong contrast to data reported over several decades for other Wadsl...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2011-01, Vol.47 (15), p.4484-4486
Hauptverfasser: Patridge, Christopher J, Wu, Tai-Lung, Sambandamurthy, G, Banerjee, Sarbajit
Format: Artikel
Sprache:eng
Schlagworte:
BRONZE
BRONZES
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ELECTRIC CONDUCTIVITY
INSULATION (ELECTRICAL)
INSULATORS
MICROWIRE
Nanowires
PHASE TRANSFORMATIONS
Switching
TUNNELING
Tunnels (transportation)
VALENCE
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Beschreibung
Zusammenfassung:We show evidence of the manifestation of enormous metal-insulator switching ranging up to almost six orders of magnitude in individual nanowires of β'-Cu(x)V(2)O(5). The magnitude and temperature of the phase transition is in strong contrast to data reported over several decades for other Wadsley-type mixed valence tunnel bronze structures.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc05709f