Effect of Surface Hydrogen Coverage on Field Emission Properties of Diamond Films Investigated by High-Resolution Electron Energy Loss Spectroscopy

Chin. Phys. Lett.

2000, Vol. 17

Issue (4): 294-295 DOI:

Original Articles

Effect of Surface Hydrogen Coverage on Field Emission Properties of Diamond Films Investigated by High-Resolution Electron Energy Loss Spectroscopy

WANG Yu-Guang¹;GU Chang-Zhi²;JIN Zeng-Sun²;XIONG Yan-Yun¹;LIN Zhang-Da¹;FENG Ke-An¹

¹State Key Laboratory of Surface Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 ²State Key Laboratory of Superhard Materials, Jilin University, Changchun 130023

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WANG Yu-Guang, GU Chang-Zhi, JIN Zeng-Sun et al 2000 Chin. Phys. Lett. 17 294-295

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Abstract The influence of surface hydrogen coverage on the electron field emission of diamond films was investigated by high-resolution electron energy loss spectroscopy. It was found that hydrogen plasma treatment increased the surface hydrogen coverage while annealing caused hydrogen desorption and induced surface reconstruction. Field electron emission measurements manifested that increase of surface hydrogen coverage could improve the field emission properties, due to the decrease of electron affinity of the diamond surface by hydrogen adsorption.

Keywords: 79.70.+q 79.20.Kz 81.15.Gh

Published: 01 April 2000

PACS:	79.70.+q	(Field emission, ionization, evaporation, and desorption)
	79.20.Kz	(Other electron-impact emission phenomena)
	81.15.Gh	(Chemical vapor deposition (including plasma-enhanced CVD, MOCVD, ALD, etc.))

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I4/0294

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	WANG Yu-Guang
	GU Chang-Zhi
	JIN Zeng-Sun
	XIONG Yan-Yun
	LIN Zhang-Da
	FENG Ke-An

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