DEVELOPMENT OF DIRECT METHODS OF DATA INVERSION IN HELIUM ATOM SCATTERING

I. G. Shuttleworth ()
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I. G. Shuttleworth: Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, USA

Surface Review and Letters (SRL), 2007, vol. 14, issue 02, 321-327

Abstract: The problem of diffraction pattern deconvolution in Helium Atom Scattering (HAS) has been solved directly within the Eikonal approximation. A formulation based on the Patterson construction has been developed which reduces the problem to the solution of a set of simultaneous equations in{ζj}, whereζjare the corrugation parameters for the surface. The formulation returns real space structures that satisfy unitarity, a secondary problem in HAS diffraction image inversion. Numerical benchmarks of this procedure are presented.

Keywords: Helium atom scattering; molecular beam techniques; diffraction pattern; deconvolution; data inversion; Eikonal approximation; hardwall; Patterson function (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07009426

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