Volume 90, Number 2, April 2010
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||11 May 2010|
Impact of thermal annealing on interfacial layer and electrical properties of a-SiNx : H/Si
Nanostech Laboratory, Department of Physics, IIT Delhi - Hauz Khas, New Delhi-110 016, India
2 X-ray Optics Section, Raja Ramanna Centre for Advanced Technology - Indore 452 013, India
Corresponding author: firstname.lastname@example.org
Accepted: 7 April 2010
We report the impact of post-deposition thermal annealing (in nitrogen ambient) on the evolution of an interfacial layer between a hydrogenated amorphous silicon nitride (a-SiNx : H) thin film and a Si(100) substrate and its correlation with electrical properties. X-ray reflectivity measurements reveal that the SiNx films under different post annealing temperatures demonstrate variation in the density, thickness and roughness. Also it is found that the interface state density (Dit) is directly related to the interfacial layer density of the film rather than to the surface and interface roughness.
PACS: 61.05.cm – X-ray reflectometry (surfaces, interfaces, films) / 73.40.Qv – Metal-insulator-semiconductor structures (including semiconductor- to-insulator) / 79.60.Jv – Interfaces; heterostructures; nanostructures
© EPLA, 2010
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