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Defect densities in tetrahedrally bonded amorphous carbon deduced by junction capacitance techniques


Reference:

Palinginis, K., Lubianiker, Y., Cohen, J., Ilie, A., Kleinsorge, B. and Milne, W., 1999. Defect densities in tetrahedrally bonded amorphous carbon deduced by junction capacitance techniques. Applied Physics Letters, 74 (3), 371 - 373.

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Official URL:

http://dx.doi.org/10.1063/1.123074

Abstract

Junction capacitance measurements performed on tetrahedrally bonded amorphous carbon (ta-C)/crystalline-Si (c-Si) heterostructures are used to deduce the defect density in thin ta-C films. Using the drive level capacitance profiling technique, we determine a homogeneous defect density of 6±1.5×1017 cm−3 in the undoped (p-type) ta-C films and one order of magnitude larger in the nitrogen-doped (n-type) films. Admittance measurements reveal defect states at the ta-C/c-Si interface with a density exceeding 2×1012 cm−2

Details

Item Type Articles
CreatorsPalinginis, K., Lubianiker, Y., Cohen, J., Ilie, A., Kleinsorge, B. and Milne, W.
DOI10.1063/1.123074
DepartmentsFaculty of Science > Physics
RefereedYes
StatusPublished
ID Code21417

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