Abstract

Over the last twenty years, small metal particle specimens have been extensively studied by electron microscopy. The interest has been to characterize their chemical and structural nature, with the intention of understanding the nucleation and growth of small clusters as well as heterogeneous catalysis. In the process, numerous electron microscope imaging techniques have been used. However, these methods all suffer from one serious shortcoming - the resolution is relatively poor (approximately 10 A) and information about the catalytically interesting surface of the particle is not available. Following technical improvements to the Cambridge High Resolution Electron Microscope, the authors have recently resolved the atomic structure of surfaces on small particles and thin films. This has included direct observation of surface reconstruction effects due to elastic and plastic deformations at surfaces and surface steps and facetting. This paper describes the principle of the technique, reviews the results and considers their implications with respect to catalysis.

Original languageEnglish (US)
Title of host publicationAmerican Chemical Society, Division of Petroleum Chemistry, Preprints
PublisherACS
Pages830-835
Number of pages6
Volume29
Edition3
StatePublished - Aug 1984

Fingerprint

Imaging techniques
Catalysis
Electron microscopes
Surface reconstruction
Elastic deformation
Electron microscopy
Plastic deformation
Nucleation
Thin films
Metals

ASJC Scopus subject areas

  • Fuel Technology

Cite this

Marks, L. D., & Smith, D. (1984). ATOMIC IMAGING OF PARTICLE SURFACES. In American Chemical Society, Division of Petroleum Chemistry, Preprints (3 ed., Vol. 29, pp. 830-835). ACS.

ATOMIC IMAGING OF PARTICLE SURFACES. / Marks, L. D.; Smith, David.

American Chemical Society, Division of Petroleum Chemistry, Preprints. Vol. 29 3. ed. ACS, 1984. p. 830-835.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Marks, LD & Smith, D 1984, ATOMIC IMAGING OF PARTICLE SURFACES. in American Chemical Society, Division of Petroleum Chemistry, Preprints. 3 edn, vol. 29, ACS, pp. 830-835.
Marks LD, Smith D. ATOMIC IMAGING OF PARTICLE SURFACES. In American Chemical Society, Division of Petroleum Chemistry, Preprints. 3 ed. Vol. 29. ACS. 1984. p. 830-835
Marks, L. D. ; Smith, David. / ATOMIC IMAGING OF PARTICLE SURFACES. American Chemical Society, Division of Petroleum Chemistry, Preprints. Vol. 29 3. ed. ACS, 1984. pp. 830-835
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