Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
57 (1990), S. 428-431
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
We have measured Raman spectra of a diamond film prepared on the (111) surface of cubic boron nitride(c-BN) by the dc plasma chemical vapor deposition method. The polarization property of the Raman line of diamond agrees well with that of LO phonon for the (111) surface of c-BN. The agreement between the polarization property of Raman lines of diamond and c-BN indicates a possibility of the heteroepitaxial growth of the diamond film on the (111) surface of c-BN. It is found that the diamond layers on c-BN are under tensile stress of 2.2×1011 dyn/cm2. The value of the corresponding tensile strain agrees well with the lattice mismatch calculated from the lattice constants of c-BN and diamond, supporting the possibility of the heteroepitaxial growth of the diamond film. Raman spectroscopy is a powerful technique not only to estimate the stress in the diamond film but also to determine the crystallographic orientation.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.103656
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