• Publications
  • Influence
Wiener-filter enhancement of noisy HREM images.
  • L. Marks
  • Computer Science, Medicine
  • Ultramicroscopy
  • 1996
TLDR
The use of Wiener filters to restore noisy HREM images is discussed, exploiting the fact that the noise spectrum can be rather simply estimated in a power spectrum. Expand
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Identification of active sites in CO oxidation and water-gas shift over supported Pt catalysts
Comparing active site reactivity Noble metal nanoparticles often exhibit behaviors distinct from atomic and bulk versions of the same material. Gold and platinum dispersed on metal oxide supports,Expand
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Three-dimensional imaging of dislocations in a nanoparticle at atomic resolution
Dislocations and their interactions strongly influence many material properties, ranging from the strength of metals and alloys to the efficiency of light-emitting diodes and laser diodes. SeveralExpand
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Comparative Study of the Effects of Microsilica and Nanosilica in Concrete
It is well recognized that the use of mineral admixtures such as silica fume enhances the strength and durability of concrete. This research compares the effects of adding silica fume and nanosilicaExpand
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Graphitic Tribological Layers in Metal-on-Metal Hip Replacements
A graphitic layer is found to be the cause of low friction in metal-on-metal hip implants. Arthritis is a leading cause of disability, and when nonoperative methods have failed, a prosthetic implantExpand
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CoCrMo metal-on-metal hip replacements.
After the rapid growth in the use of CoCrMo metal-on-metal hip replacements since the second generation was introduced circa 1990, metal-on-metal hip replacements have experienced a sharp decline inExpand
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New insights into hard phases of CoCrMo metal-on-metal hip replacements.
  • Y. Liao, R. Pourzal, +4 authors L. Marks
  • Materials Science, Medicine
  • Journal of the mechanical behavior of biomedical…
  • 1 August 2012
The microstructural and mechanical properties of the hard phases in CoCrMo prosthetic alloys in both cast and wrought conditions were examined using transmission electron microscopy andExpand
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Correlated Structure and Optical Property Studies of Plasmonic Nanoparticles
This article provides a review of our recent studies of single metal nanoparticles and single nanoparticle clusters aimed at correlating the structural and plasmonic properties of the same entity.Expand
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Surface structure and energetics of multiply twinned particles
Abstract Experimental results from thermally annealed particles of silver and gold in the size range 10–50 nm show the presence of re-entrant surfaces on the decahedral multiply twinned particlesExpand
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Single-walled BN nanostructures.
  • E. Bengu, L. Marks
  • Materials Science, Medicine
  • Physical review letters
  • 12 March 2001
We describe in situ synthesis and characterization of single-walled BN nanotubes terminated by fullerenelike structures using electron-cyclotron resonance nitrogen and electron beam boron sourcesExpand
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