High resolution electron energy loss studies of surface vibrations. Final report, August 1, 1984--October 31, 1995 | Zendy

L. L. Kesmodel | Zendy

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High resolution electron energy loss studies of surface vibrations. Final report, August 1, 1984--October 31, 1995

Author(s) -

L. L. Kesmodel

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/204641

Subject(s) - overlayer , electron energy loss spectroscopy , high resolution electron energy loss spectroscopy , resolution (logic) , electron , atomic physics , phonon , spectroscopy , wavelength , materials science , chemistry , analytical chemistry (journal) , physics , optics , condensed matter physics , nuclear physics , artificial intelligence , computer science , chromatography , quantum mechanics

This document summarizes technical progress made on `High Resolution Electron Energy Loss Studies of Surface Vibrations` (DE-FG02-84ER45147). The project was concerned with the measurement of surface vibrational waves (phonons) on a variety of materials, in particular the dispersion of these waves at short wavelengths. The principal experimental method employed was high-resolution electron energy loss spectroscopy (EELS) at an energy resolution of {approximately} 5 MeV (40 cm{sup {minus}1}) and momentum resolution of {approximately} .02{Angstrom}{sup {minus}1}. New experimental information on a variety of metals, overlayer structures, ultrathin films and copper oxide materials were obtained as summarized in the document. 27 refs., 1 fig

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