Volume 83, Number 3, August 2008
|Number of page(s)||5|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||23 July 2008|
Coulomb oscillation of a deuteron in a Ni-Nb-Zr-D glassy alloy with multiple junctions
Institute for Materials Research, Tohoku University - Sendai 980-8577, Japan
Corresponding author: email@example.com
Accepted: 9 June 2008
Electric-current-induced voltage oscillation at 600-740 kHz was observed in the current-voltage curves of nanoscopic size tunnel junctions arranged in a low-capacitance, multiple-junction configuration of ((Ni60Nb40)Zrx) Dy (, 35, 40 and 45, 9.1 14.8) glassy alloys in the temperature range of 373 K to 6 K. This behavior appeared to be derived from Coulomb oscillation resulting from the tunneling of individual deuteron charging and discharging the vacancy capacitance of Zr-D--D-Zr atomic bond arrays among Zr-tetrahedral clusters, where is the vacancy barrier between clusters.
PACS: 61.43.Dq – Amorphous semiconductors, metals, and alloys / 73.21.La – Quantum dots / 73.23.Hk – Coulomb blockade; single-electron tunneling
© EPLA, 2008
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