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Methylamine Growth of SiCN Films Using ECR-CVD

Published online by Cambridge University Press:  10 February 2011

C.-Y. Wen ,
J.-J. Wu ,
H.J. Lo ,
L.C. Chen ,
K.H. Chen ,
S.T. Lin ,
Y.-C. Yu ,
C.-W. Wang  and
E.-K. Lin
C.-Y. Wen
Affiliation:
Center for Condensed Matter Sciences, National Taiwan Unversity, Taipei, Taiwan
J.-J. Wu
Affiliation:
Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan
H.J. Lo
Affiliation:
Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
L.C. Chen
Affiliation:
Center for Condensed Matter Sciences, National Taiwan Unversity, Taipei, Taiwan
K.H. Chen
Affiliation:
Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan
S.T. Lin
Affiliation:
Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Y.-C. Yu
Affiliation:
Institute of Physics, Academia Sinica, Taipei, Taiwan
C.-W. Wang
Affiliation:
Institute of Physics, Academia Sinica, Taipei, Taiwan
E.-K. Lin
Affiliation:
Institute of Physics, Academia Sinica, Taipei, Taiwan
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Abstract

Continuous polycrystalline SiCN films with high nucleation density have been successfully deposited by using CH3NH2, as carbon source gas in an ECR-CVD reactor. Fom the kinetic point of view, using CH3NH2, as carbon source could provide more abundant active carbon species in the gas phase to enhance the carbon incorporation in the SiCN films. The compositions of the SiCN films analyzed from Rutherford Backscattering Spectroscopy showed that higher [CH3NH2,]/[SiH4] ratio led to higher carbon content in the films. Moreover, a lower carbon content was measured when the film was deposited at higher substrate temperature. The direct band gap of the aforementioned SiCN films determined using PzR is around 4.4 eV, indicating a wide band gap material for blue-UV optoelectronics.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 606: Symposium NN – Chemical Processing of Dielectrics, Insulators & Electronic Ceramics , 1999 , 115
Copyright
Copyright © Materials Research Society 2000

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