Publication
Applied Physics Letters
Paper

Stability of multilayers for synchrotron optics

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Abstract

The temperature stability of metal (W, WRe, Co, Cr)-carbon multilayers has been studied using x-ray diffraction (θ-2θ and Debye-Scherrer) and electron microscopy. The results show that in all cases a crystallization occurs in the temperature range 650-750°C. As a consequence of this crystallization, the layered structure is destroyed, the surface of the film becomes rough, and the x-ray reflectivity is considerably reduced. These results imply that efficient cooling or new multilayer structures will have to be developed for use at high temperatures or under high x-ray incident flux.

Date

01 Jan 1986

Publication

Applied Physics Letters

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