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The Raman spectra of crystalline graphite, graphite damaged by ion-etching, and structurally disordered pyrolytic and glassy carbons were examined as a function of excitation wavelength λ over the… (More)
An extensive survey of the Raman spectral activity of a wide variety of carbon materials has produced experimental evidence for at least five structure-sensitive lines or bands. In addition to the… (More)
Microwave monolithic integrated circuits (GaAs-MMIC's) and large-scale integrated circuits (GaAs-LSIC's) are being used in advance ground, airborne, or space-based Systems having severe environmental… (More)