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Realization of a Strained Atomic Wire Superlattice

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Title
Realization of a Strained Atomic Wire Superlattice
Author(s)
Inkyung Song; Jung Suk Goh; Sung-Hoon Lee; Sung Won Jung; Jin Sung Shin; Yamane, H.; Kosugi, N.; Han Woong Yeom
Subject
angle-resolved photoelectron spectroscopy, ; nanowire, ; scanning tunneling microscopy, ; strain engineering
Publication Date
2015-11
Journal
ACS NANO, v.9, no.11, pp.10621 - 10627
Publisher
AMER CHEMICAL SOC
Abstract
A superlattice of strained Au-Si atomic wires is successfully fabricated on a Si surface. Au atoms are known to incorporate into the stepped Si(111) surface to form a Au-Si atomic wire array with both one-dimensional (1D) metallic and antiferromagnetic atomic chains. At a reduced density of Au, we find a regular array of Au-Si wires in alternation with pristine Si nanoterraces. Pristine Si nanoterraces impose a strain on the neighboring Au-Si wires, which modifies both the band structure of metallic chains and the magnetic property of spin chains. This is an ultimate 1D version of a strained-layer superlattice of semiconductors, defining a direction toward the fine engineering of self-assembled atomic-scale wires. © 2015 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/2256
DOI
10.1021/acsnano.5b04377
ISSN
1936-0851
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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