Tunable Schottky barrier height and surface potential by using hydrogen ions

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Title:	Tunable Schottky barrier height and surface potential by using hydrogen ions
Authors:	Hsu, J. K.;Lin, T. Y.;Lai, C. Y.;Chien, T. C.;Song, J. H.;Yeh, P. H.
Contributors:	淡江大學物理學系
Keywords:	Plasma materials processing;II-VI semiconductors;Passivation;Plasma devices;Schottky barriers
Date:	2013-09-01
Issue Date:	2014-01-08 16:47:08 (UTC+8)
Publisher:	College Park: American Institute of Physics
Abstract:	In this research work, hydrogen ion can be used for Schottky barrier height and surface potential tuning with specific power. The current output of Ohmic and Schottky contacted device would be enhanced from 8.25 μA to 171 μA and 2.84 pA to 1.3 μA (hydrogen plasma power was increased from 0 to 60 W), respectively. With adequate hydrogen plasma power, the transport mechanism (variation of Schottky barrier height and surface potential) can be studied in vacuum and atmosphere environment. In this work, we not only improve the current output but also provide the transport mechanism in vacuum and atmosphere environment. The enhancement and intension of ZnO nanowires device can be achieved by using hydrogen plasma treatment for extensive application.
Relation:	Applied Physics Letters 103(12), 123507(3pages)
DOI:	10.1063/1.4821425
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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