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Proceedings Paper

Diamond drumhead crystals (Conference Presentation)
Author(s): Tomasz Kolodziej; Preeti Vodnala; Sergey A. Terentyev; Vladimir D. Blank; Yuri V. Shvyd'ko
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Paper Abstract

Ultra-thin (< 100 um) diamond single crystals are essential for the realization of numerous next generation x-ray optical devices. Fabrication and handling of such ultra-thin crystal components without introducing damage and strain is a challenge. Drumhead crystals, monolithic crystal structures comprised of a thin membrane furnished with a surrounding solid collar would be a solution for the proper handling ensuring mechanically stable and strain-free mount of the membranes with efficient thermal transport. However, diamond being one of the hardest and chemically inert materials poses insurmountable difficulties in the fabrication. Here we report on a successful manufacturing of the diamond drumhead crystals using picosecond laser milling. Subsequent temperature treatment appears to be crucial for the membranes to become defect-free and unstrained, as revealed by x-ray double-crystal topography on an example of drumhead crystals with 1-mm in diameter and 28 um to 47 um-thick membranes in the (100) orientation.

Paper Details

Date Published: 2 November 2016
PDF: 1 pages
Proc. SPIE 9963, Advances in X-Ray/EUV Optics and Components XI, 99630C (2 November 2016); doi: 10.1117/12.2238013
Show Author Affiliations
Tomasz Kolodziej, Argonne National Lab. (United States)
Preeti Vodnala, Northern Illinois Univ. (United States)
Sergey A. Terentyev, Technological Institute of Superhard and New Carbon Materials (Russian Federation)
Vladimir D. Blank, Technological Institute of Superhard and New Carbon Materials (Russian Federation)
Yuri V. Shvyd'ko, Argonne National Lab. (United States)


Published in SPIE Proceedings Vol. 9963:
Advances in X-Ray/EUV Optics and Components XI
Ali M. Khounsary; Shunji Goto; Christian Morawe, Editor(s)

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