Neutron reflectivity studies from a platinum/carbon multilayer

N. M. Harwood J. J. Thomson Physical Laboratory, University of Reading, Whiteknights, P.O. Box 220, Reading, RG6 2AF, England

S. Messoloras J. J. Thomson Physical Laboratory, University of Reading, Whiteknights, P.O. Box 220, Reading, RG6 2AF, England

R. J. Stewart J. J. Thomson Physical Laboratory, University of Reading, Whiteknights, P.O. Box 220, Reading, RG6 2AF, England

J. Penfold Rutherford Appleton Laboratory Chilton, Didcot, Oxford OX11 0QX, England

R. C. Ward Rutherford Appleton Laboratory Chilton, Didcot, Oxford OX11 0QX, England

Abstract

The neutron reflectivity from 30 Pt/C bilayers on an Si substrate has been measured using the time-of-flight (TOF) technique. The thickness of the bilayers, the total thickness of the multilayer structure and the density of the carbon and platinum layers are determined. The influence on the reflectivity curve of different types of multilayer-substrate and air-multilayer interfaces are examined. The experimental data are fitted with a reflectivity curve calculated by using a smoothly varying density profile between the multilayer structure and the substrate.

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Neutron reflectivity studies from a platinum/carbon multilayer

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Neutron reflectivity studies from a platinum/carbon multilayer

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