Tunneling microscope observation of a structural surface phase transition: Structure, fluctuations, and local effects

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Tunneling microscope observation of a structural surface phase transition: Structure, fluctuations, and local effects

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Title: Tunneling microscope observation of a structural surface phase transition: Structure, fluctuations, and local effects
Author: Hwang, Ing-Shouh; Golovchenko, Jene Andrew

Note: Order does not necessarily reflect citation order of authors.

Citation: Hwang, Ing-Shouh, and Jene A. Golovchenko. 1993. Tunneling Microscope Observation of a Structural Surface Phase Transition: Structure, Fluctuations, and Local Effects. Physical Review Letters 71, no. 2: 255–258. doi:10.1103/physrevlett.71.255.
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Abstract: We study a reversible phase transition of one monolayer of Pb on a Ge(111) surface with a tunneling microscope over a temperature range from below to above the transition (∼175 °C). The controversial high temperature phase is actually a simple Pb-terminated 1×1 structure. Below the transition temperature, Pb atoms are displaced from their T1 positions and form trimers with √3 × √3 periodicity. A fluctuating structure with patches of trimers can be resolved slightly above the transition temperature. The important effects of boundaries and domain size on the phase transformation are discussed.
Published Version: doi:10.1103/PhysRevLett.71.255
Other Sources: http://golovchenko.physics.harvard.edu/TunnelingMicroscopeObservation.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:29407029
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