Effects of 1D disorder on the reciprocal space of rare-earth silicide/Si (1 1 1) epilayers

Cesura, Federico; Dascalu, Matan; Goldfarb, I.

doi:10.1016/j.apsusc.2018.07.136

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2019

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“…refs. []). In UHV (base pressure 1 × 10 −8 Pa), after thorough degassing, the native silicon oxide was evaporated by repeated flashes at 1150–1200 °C, and the clean Si surface was slowly cooled until well‐ordered (7 × 7) reconstruction appeared in diffraction and STM (pristine surface similar to that in ref.…”

Section: Methodsmentioning

confidence: 99%

Interface Effects on Epilayer Surface Density of States by Scanning Tunneling Spectroscopy and Density Functional Theory

Dascalu

Levi

Cesura

et al. 2019

Advcd Theory and Sims

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Sub-nanometric Ni-silicide films are self-assembled by solid phase epitaxy of Ni on a vicinal Si(111) surface. The combination of in situ scanning tunneling microscopy and surface electron diffraction with ex situ X-ray photoelectron spectroscopy allows us to identify -Ni 2 Si as the major constituent crystal phase at the overgrown surface. Then scanning tunneling spectroscopy is employed with ab initio electronic structure calculations, to identify the origins of the surface local density of states and use these as a fingerprint for in situ phase identification. The above approach enhances the chemical contrast capability of scanning tunneling microscopy, and offers a useful local probe with atomic resolution for in situ crystal phase identification of ultra-thin surface structures.

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Section: Methodsmentioning

confidence: 99%

Interface Effects on Epilayer Surface Density of States by Scanning Tunneling Spectroscopy and Density Functional Theory

Dascalu

Levi

Cesura

et al. 2019

Advcd Theory and Sims

Self Cite

View full text Add to dashboard Cite

show abstract

Effects of 1D disorder on the reciprocal space of rare-earth silicide/Si (1 1 1) epilayers

Cited by 1 publication

References 59 publications

Interface Effects on Epilayer Surface Density of States by Scanning Tunneling Spectroscopy and Density Functional Theory

Interface Effects on Epilayer Surface Density of States by Scanning Tunneling Spectroscopy and Density Functional Theory

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Effects of 1D disorder on the reciprocal space of rare-earth silicide/Si (1 1 1) epilayers

Cited by 1 publication

References 59 publications

Interface Effects on Epilayer Surface Density of States by Scanning Tunneling Spectroscopy and Density Functional Theory

Interface Effects on Epilayer Surface Density of States by Scanning Tunneling Spectroscopy and Density Functional Theory

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Effects of 1D disorder on the reciprocal space of rare-earth silicide/Si (1 1 1) epilayers