L. Wang et al., Surface morphology and structural observation of laser interference crystallized a-Si : H/a-SiNx : H multilayers, APPL SURF S, 165(2-3), 2000, pp. 85-90
Combined with atomic force microscope (AFM), micro-Raman spectroscope, cros
s-section transmission electron microscope (TEM) and high resolution electr
on microscope (HREM) analyses, the surface morphology and structures of a-S
i:H/a-SiNx,:H multilayers (MLs), irradiated by excimer laser through the ph
ase shifting mask grating, are investigated. It is found that Si nanocrysta
llites (nc-Si) are formed within the initial a-Si:H sublayers, and the size
of the grains can be controlled due to the constrained crystallization eff
ect. And it is possible to use this laser interference crystallization (LIC
) method to get the periodic distribution of nc-Si in both transverse and l
ongitudinal direction. (C) 2000 Elsevier Science B.V. All rights reserved.