Interfacial bonding in W/C and W/B4C multilayers

Abstract
The nature of carbon bonding in W/C and W/B4C multilayer structures is investigated by Auger electron spectroscopy (AES). The interfacial roughness in these x-ray mirrors directly affects their use as efficient optical elements. A significant contribution to interfacial roughness is the possible presence of second phases, WC in particular for the W/C and W/B4C combinations. AES depth profiling of the multilayer interfaces is used as a direct method to probe for the existence of WC.

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