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A simple electron multiplexer
Faculty
Science
Year:
2003
Type of Publication:
Article
Pages:
L649-L653
Authors:
Al-Wahsh, H, Akjouj, A, Zielinski, P, Dobrzynski, L, Djafari-Rouhani, B
DOI:
10.1088/0953-8984/15/43/L02
Journal:
JOURNAL OF PHYSICS-CONDENSED MATTER IOP PUBLISHING LTD
Volume:
15
Research Area:
Physics
ISSN
ISI:000186811700002
Keywords :
, simple electron multiplexer
Abstract:
We present a simple multiplexing device made of two atomic chains coupled by two other transition metal atoms. We show that this simple atomic device can transfer electrons at a given energy from one wire to the other, leaving all other electron states unaffected. Closed-form relations between the transmission coefficients and the inter-atomic distances are given to optimize the desired directional electron ejection. Such devices can be adsorbed on insulating substrates and characterized by current surface technologies.
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