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Jpn. J. Appl. Phys. 43 (2004) pp. L355-L357  |Previous Article|  |Table of Contents|
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Letter

Carbon Gold Sulfide Synthesized by Cooperation Process of Plasma Chemical Vapor Deposition (CVD) and Sputtering

Mohammad Abul Kashem, Masaki Matushita and Shinzo Morita

Department of Electronics, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan

(Received November 20, 2003; revised December 28, 2003; accepted January 13, 2004; published February 20, 2004)

A new carbon gold sulfide (C-Au-S) was synthesized by a cooperation process of plasma chemical vapor deposition (CVD) and sputtering with a mixture of CH₄, SF₆ and Ar gases using gold plate discharge electrode. The films formed at 0.1–0.07 Torr were almost transparent in the visible wavelength range. X-ray diffraction spectrum for the film with gold atoms more than 10 at% did not show any peak, whereas the gold atoms are expected to be distributed uniformly. The refractive index of the C-Au-S film was determined to be 2.5–3.3, however, this value was apparently smaller than the expected value from the electronic polarizability and atomic composition of C, Au and S. In order to overcome this inconsistency, it was considered that the film contains conductive C-Au-S granular moles.

URL: http://jjap.jsap.jp/link?JJAP/43/L355/
DOI: 10.1143/JJAP.43.L355

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