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Twinning Structure of {113} Defects in High-Dose Oxygen Implanted Silicon-on-Insulator Material.

Published online by Cambridge University Press:  25 February 2011

S. Visitserngtrakul ,
J. Barry  and
S. Krause
S. Visitserngtrakul
Affiliation:
Department of Chemical, Bio and Material Engineering, Arizona State University, Tempe, AZ 85387
J. Barry
Affiliation:
Electron Microscope Centre, University of Queensland, St. Lucia, Brisbane, Queensland 4067, Australia.
S. Krause
Affiliation:
Department of Chemical, Bio and Material Engineering, Arizona State University, Tempe, AZ 85387
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Abstract

Conventional and high resolution electron microscopy (HREM) were used to study the structure of the {113} defects in high-dose oxygen implanted silicon. The defects are created with a density of 1011 cm-2 below the buried oxide layer in the substrate region. The {113} defects are similar to the ribbon-like defects in bulk silicon. Our HREM observations show that two crystalline phases are present in the defect. Portions of the defects exhibit the original cubic diamond structure which is twinned across {115} planes. The atomic model shows that the {115} interface is a coherent interface with alternating five- and seven-membered rings and no dangling bonds.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 163: Symposium G – Impurities, Defects and Diffusion in Semiconductors: Bulk and Layered Structures , 1989 , 955
Copyright
Copyright © Materials Research Society 1990

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