NDLI: Composition and surface structure of boron-mixed graphite exposed to oxygen plasma

Content Provider	Springer Nature Link
Author	Bondarenko, G. G. Gaidar, A. I. Petrov, V. S. Chernik, V. N.
Copyright Year	2015
Abstract	USB-15 boron-mixed graphite samples subjected to bombardment with 90-eV ions of an accelerated oxygen plasma flow are investigated via scanning electron microscopy, X-ray microanalysis, X-ray diffraction analysis, and mass spectrometry of the thermal-desorption kinetics and volatile compounds. It is revealed that the surface is enriched with oxygen and irradiation is not accompanied by structural changes. The material possesses an imperfect fine-grained structure with a very low graphitization level. Thermal-desorption mass spectrometry indicates that spectral lines of boron oxide appear at temperatures of greater than 150°C and reach their maximum at 320–410°C. This corroborates the assumption that an inert boron-oxide film is formed on a cold USB-15 surface under the action of oxygen ions and evaporates with increasing temperature. The latter leads to a loss in the protective properties of the boron dopant.
Starting Page	679
Ending Page	683
Page Count	5
File Format	PDF
ISSN	10274510
Journal	Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques
Volume Number	9
Issue Number	4
e-ISSN	18197094
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-08-06
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	boron-mixed graphite chemical sputtering oxygen plasma surface structure Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Surfaces, Coatings and Films

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