NDLI: Investigation of the electrical properties of metallic nanoclusters

Content Provider	Springer Nature Link
Author	Qamhieh, Naser
Copyright Year	2013
Abstract	Palladium nanoclusters were prepared by magnetron sputtering and inert gas condensation technique and deposited between two gold electrodes. We have investigated the current-voltage characteristics at temperatures between 45 and 300 K. The conduction-voltage profile allows calculating the number of potential barriers, n electrons have to cross while conducting through a percolation path. n is found to increase with decreasing temperature. The observed temperature dependence of the conductance is Arrhenius-like above 140 K, with activation energy much smaller than the calculated Coulomb blockade energy. It suggests that some of the nanoclusters are fused together. At temperatures below 140 K the conductance-temperature data was fitted with Efros-Shklovskii model for conduction where variable range hopping is dominating the electron transport mechanism. The presence of variable range hopping may interpret the increase of n with decreasing temperature.
Starting Page	1
Ending Page	4
Page Count	4
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	67
Issue Number	2
e-ISSN	14346079
Language	English
Publisher	Springer-Verlag
Publisher Date	2013-03-06
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atomic, Molecular, Optical and Plasma Physics Physical Chemistry Quantum Physics Quantum Information Technology, Spintronics Spectroscopy/Spectrometry Nonlinear Dynamics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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