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Conductance Oscillations in Zigzag Platinum Chains.

Garcia-Suarez, Victor and Rocha, A. R. and Bailey, S. W. and Lambert, C. J. and Sanvito, S. and Ferrer, J. (2005) Conductance Oscillations in Zigzag Platinum Chains. Physical Review Letters, 95 (25).

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Abstract

Using first principles simulations we perform a detailed study of the structural, electronic, and transport properties of monatomic platinum chains, sandwiched between platinum electrodes. First, we demonstrate that the most stable atomic configuration corresponds to a zigzag arrangement that gradually straightens as the chains are stretched. Second, we find that the averaged conductance shows slight parity oscillations with the number n of atoms in the chain. Additionally, the conductance of chains of fixed n oscillates as the end atoms are pulled apart, due to the gradual closing and opening of conductance channels as the chain straightens.

Item Type: Article
Journal or Publication Title: Physical Review Letters
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 561
Deposited By: Prof Colin J. Lambert
Deposited On: 22 Jun 2007
Refereed?: No
Published?: Published
Last Modified: 09 Apr 2014 22:08
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/561

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