Transition from Stranski-Krastanov to quasi-layer-by-layer growth in Pb deposition on Cu(100)

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Abstract

The fast, epitaxial deposition of Pb films on Cu(100) was monitored by helium atom beam scattering over the substrate temperature range of 150–400 K. A growth mode transition from Stranski-Krastanov to quasi-layer-by-layer growth was observed by decreasing the deposition temperature. From 150 to 180 K, intensity oscillations of the specularly reflected helium beam show a complex modulated pattern which is interpreted as due to the concurrent influence of transition in growth mode and structure and of quantum size effects in the overlayer electronic states. From low-energy electron diffraction observations, it was found that Pb grows along [111] direction with two domains rotated 90° with respect to each other at temperatures from 150 to 218 K.

Original languageEnglish (US)
Pages (from-to)2058-2062
Number of pages5
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume12
Issue number4
DOIs
StatePublished - 1994

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Helium
Low energy electron diffraction
Electronic states
helium atoms
Temperature
temperature
electron diffraction
helium
Scattering
Atoms
oscillations
Substrates
scattering
electronics
energy
Direction compound

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

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abstract = "The fast, epitaxial deposition of Pb films on Cu(100) was monitored by helium atom beam scattering over the substrate temperature range of 150–400 K. A growth mode transition from Stranski-Krastanov to quasi-layer-by-layer growth was observed by decreasing the deposition temperature. From 150 to 180 K, intensity oscillations of the specularly reflected helium beam show a complex modulated pattern which is interpreted as due to the concurrent influence of transition in growth mode and structure and of quantum size effects in the overlayer electronic states. From low-energy electron diffraction observations, it was found that Pb grows along [111] direction with two domains rotated 90° with respect to each other at temperatures from 150 to 218 K.",
author = "Hong Zeng and Gianfranco Vidali",
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T1 - Transition from Stranski-Krastanov to quasi-layer-by-layer growth in Pb deposition on Cu(100)

AU - Zeng, Hong

AU - Vidali, Gianfranco

PY - 1994

Y1 - 1994

N2 - The fast, epitaxial deposition of Pb films on Cu(100) was monitored by helium atom beam scattering over the substrate temperature range of 150–400 K. A growth mode transition from Stranski-Krastanov to quasi-layer-by-layer growth was observed by decreasing the deposition temperature. From 150 to 180 K, intensity oscillations of the specularly reflected helium beam show a complex modulated pattern which is interpreted as due to the concurrent influence of transition in growth mode and structure and of quantum size effects in the overlayer electronic states. From low-energy electron diffraction observations, it was found that Pb grows along [111] direction with two domains rotated 90° with respect to each other at temperatures from 150 to 218 K.

AB - The fast, epitaxial deposition of Pb films on Cu(100) was monitored by helium atom beam scattering over the substrate temperature range of 150–400 K. A growth mode transition from Stranski-Krastanov to quasi-layer-by-layer growth was observed by decreasing the deposition temperature. From 150 to 180 K, intensity oscillations of the specularly reflected helium beam show a complex modulated pattern which is interpreted as due to the concurrent influence of transition in growth mode and structure and of quantum size effects in the overlayer electronic states. From low-energy electron diffraction observations, it was found that Pb grows along [111] direction with two domains rotated 90° with respect to each other at temperatures from 150 to 218 K.

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