Chains of gold atoms with tailored electronic states | Zendy

Jason Crain | Zendy; J. L. McChesney | Zendy; Fan Zheng | Zendy; M. C. Gallagher | Zendy; Paul C. Snijders | Zendy; Mark Bissen | Zendy; C. Gundelach | Zendy; Steven C. Erwin | Zendy; F. J. Himpsel | Zendy

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Chains of gold atoms with tailored electronic states

Author(s) -

Jason Crain,

J. L. McChesney,

Fan Zheng,

M. C. Gallagher,

Paul C. Snijders,

Mark Bissen,

C. Gundelach,

Steven C. Erwin,

F. J. Himpsel

Publication year - 2004

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.69.125401

Subject(s) - materials science , scanning tunneling microscope , semiconductor , silicon , atom (system on chip) , tilt (camera) , angle resolved photoemission spectroscopy , fermi level , scanning tunneling spectroscopy , coupling (piping) , electronic structure , molecular physics , condensed matter physics , atomic physics , nanotechnology , optoelectronics , physics , electron , mechanical engineering , quantum mechanics , computer science , engineering , metallurgy , embedded system

A combination of angle-resolved photoemission and scanning tunneling microscopy is used to explore the possibilities for tailoring the electronic structure of gold atom chains on silicon surfaces. It is shown that the interchain coupling and the band filling can be adjusted systematically by varying the step spacing via the tilt angle from Si( 111). Planes with odd Miller indices are stabilized by chains of gold atoms. Metallic bands and Fermi surfaces are observed. These findings suggest that atomic chains at stepped semiconductor substrates make a highly flexible class of solids approaching the one-dimensional limit.

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