Journal article
(Original article)


Chemical stability of carbon-based inorganic materials for in situ x-ray investigations of ammonothermal crystal growth of nitrides


Publication Details
Author(s): Schimmel S, Künecke U, Meisel M, Hertweck B, Steigerwald T, Nebel C, Alt N, Schlücker E, Wellmann P
Publisher: Elsevier
Publication year: 2016
Volume: 456
Pages range: 33-42
ISSN: 0022-0248
Language: English

Abstract

The chemical stability of diamond, silicon carbide, vitreous carbon, and boron carbide in supercritical ammonia containing different mineralizers was investigated. The materials were found to show good corrosion resistance in the presence of selective or all tested mineralizers.Diamond was found to be virtually inert in both ammonoacidic and ammonobasic reaction media.Silicon carbide showed good chemical stability in varying ammonothermal reaction media.The chemical stability of vitreous carbon was found to depend on its manufacturing temperature.Corrosion of boron carbide strongly depends on the mineralizer used as well as on applied mechanical stress.Based on their chemical stability and mechanical properties, the applicability of the materials in the respective ammonothermal reaction media as construction materials is evaluated. Additionally, the applicability of the materials as a window material for both high energy . in situ x-ray imaging and low energy . in situ x-ray diffraction is discussed.



Focus Area of Individual Faculties


How to cite
APA: Schimmel, S., Künecke, U., Meisel, M., Hertweck, B., Steigerwald, T., Nebel, C.,... Wellmann, P. (2016). Chemical stability of carbon-based inorganic materials for in situ x-ray investigations of ammonothermal crystal growth of nitrides. Journal of Crystal Growth, 456, 33-42. https://dx.doi.org/10.1016/j.jcrysgro.2016.08.067

MLA: Schimmel, Saskia, et al. "Chemical stability of carbon-based inorganic materials for in situ x-ray investigations of ammonothermal crystal growth of nitrides." Journal of Crystal Growth 456 (2016): 33-42.

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