Abstract
Synthesis of boron previous termnitridenext term (BN) films are attempted
by plasma-assisted chemical vapor deposition using previous termBCl3next
term and N2 as source gases. BN films are characterized by X-ray
photoelectron spectroscopy (XPS) and Fourier transform infrared absorption
(FTIR) measurements. Capacitance?voltage (C-V) characteristics are
measured for Au/BN/p-Si samples. The dielectric constant is estimated
from the capacitance in the accumulation region and the film thickness.
A dielectric constant as low as 2.2 is achieved for the BN film.
It is found that incorporation of carbon atoms into BN films is effective
in reducing the dielectric constant.
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