Abstract

Electron-beam-induced changes in the structure of partially amorphous CdS surfaces have been observed directly by atomic-resolution electron microscopy. A sequence of atomic rearrangements leading to nucleation and growth of cubic CdS and hexagonal Cd has been documented. Inelastic electron collisions lead to crystallization of overlying amorphous CdS material whereas electron-stimulated desorption of S from the underlying CdS crystal results in precipitation of Cd crystallites at the crystalline/amorphous interface. From 100 to 500 keV the events are almost energy-independent.

Original languageEnglish (US)
Pages (from-to)560-563
Number of pages4
JournalJournal of Materials Research
Volume1
Issue number4
DOIs
StatePublished - 1986

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amorphous materials
Electron microscopy
crystallites
Electron beams
electron microscopy
electron scattering
desorption
nucleation
electron beams
crystallization
crystals
electrons
Electrons
Crystallization
Crystallites
energy
Desorption
Nucleation
Crystalline materials
Crystals

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Electron-beam-stimulated processes at CdS surfaces observed by real-time atomic-resolution electron microscopy. / Smith, David; Ehrlich, Daniel J.

In: Journal of Materials Research, Vol. 1, No. 4, 1986, p. 560-563.

Research output: Contribution to journalArticle

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