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Formation of delta-doped p-layer of hydrogen in natural and CVD-diamond crystals

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Author(s): Altukhov A. A. | Afanas’ev M. S. | Zyabliuk K. N. | Mityagin A. Yu. | Talipov N. H. | Chucheva G. V.

Journal: Tekhnologiya i Konstruirovanie v Elektronnoi Apparature
ISSN 2225-5818

Issue: 5;
Start page: 14;
Date: 2011;
Original page

Keywords: diamond | hydrogenation | microwave transistors | Schottky barriers

ABSTRACT
A method is proposed for the hydrogen heat treatment of natural and CVD-diamond crystals, which can serve as an alternative to conventional method of forming H-layer in microwave plasma of hydrogen as a simpler one and more reproducible. The boundaries of thermal stability of hydrogenated diamond surface are determined. It is shown that aluminum deposited on hydrogenated during the hydrogen heat treatment diamond surface can serve as a Schottky gate in microwave field-effect transistor made with MESFET technology.