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A New, Nearly Single-Domain Surface Structure of Homoepitaxial Diamondr (001) Films

Published online by Cambridge University Press:  15 February 2011

Yalei Kuang ,
Naesung Lee ,
Andrzej Badzian ,
Teresa Badzian  and
Tien T. Tsong
Yalei Kuang
Affiliation:
The Pennsylvania State University, University Park, PA 16802
Naesung Lee
Affiliation:
Department of Physics and Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802
Andrzej Badzian
Affiliation:
Department of Physics and Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802
Teresa Badzian
Affiliation:
Department of Physics and Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802
Tien T. Tsong
Affiliation:
Institute of Physics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
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Abstract

Boron-doped homoepitaxial diamond films were grown on natural diamond (001) substrates using microwave-assisted plasma chemical vapor deposition techniques. The surface structures were investigated using scanning tunneling microscopy (STM). This showed a dimertype 2×1 reconstruction structure with single-layer steps where dimer rows on the upper terrace are normal to or parallel to the step edges. We found that dimer rows parallel to the step edges are much longer than those normal to the step edges. The nearly single-domain surface structure observed by STM is in agreement with the low-energy electron diffraction (LEED) patterns from these surfaces. The high atomic resolution STM image showed that the local 1×1 configurations exist.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 423: Symposium E – III-Nitride, SiC, and Diamond Materials for Electronic , 1996 , 433
Copyright
Copyright © Materials Research Society 1996

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