Departure process of hydrogen from highly-hydrogenated diamond-like carbon film by exposure to synchrotron radiation

Kanda, Kazuhiro*; Yokota, Kumiko*; Tagawa, Masahito*; Tode, Mayumi; Teraoka, Yuden; Matsui, Shinji*

In the present study, we investigated the desorption of hydrogen from highly-hydrogenated diamond-like-carbon (DLC) films by irradiation of synchrotron radiation (SR) soft X-rays in vacuum. The irradiation of SR was carried out at BL-6 of NewSUBARU. The SR energy is ranging from infra red to soft X-ray, which was lower than 1 keV. The hydrogen content in the DLC films has been determined by Rutherford backscattering (RBS) and elastic recoil detection analysis (ERDA) techniques. Although the hydrogen content in the low-hydrogenated DLC film was independent on the soft X-ray dose, that for the high-hydrogenated DLC film decreased exponentially with the soft X-ray dose. This implies that the desorption of hydrogen takes place from the high-hydrogenated DLC films by the soft X-ray irradiation.

Language	:	English
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Meeting title	:	JAEA-Symposium on Synchrotron Radiation Research 2010; Material Science on Metal Hydride
Held date	:	2010/02
Location (city)	:	Sayo
Location (country)	:	Japan
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Keywords	:	no keyword
Research Facility	:	SPring-8(大型放射光施設)
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Cooperating Institute	:	兵庫県立大学; 神戸大学

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Registration No. : BB20093400
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