Detection of Si nanoclusters by x-ray scattering during silicon film deposition by mesoplasma chemical vapor deposition

2008 ◽  
Vol 104 (1) ◽  
pp. 013536 ◽  
Author(s):  
Jose Mario A. Diaz ◽  
Makoto Kambara ◽  
Toyonobu Yoshida
2002 ◽  
Vol 80 (10) ◽  
pp. 1809-1811 ◽  
Author(s):  
M. V. Ramana Murty ◽  
S. K. Streiffer ◽  
G. B. Stephenson ◽  
J. A. Eastman ◽  
G.-R. Bai ◽  
...  

1989 ◽  
Vol 50 (C7) ◽  
pp. C7-159-C7-168
Author(s):  
P. H. FUOSS ◽  
D. W. KISKER ◽  
S. BRENNAN ◽  
J. L. KAHN ◽  
G. RENAUD ◽  
...  

2012 ◽  
Vol 45 (3) ◽  
pp. 453-457 ◽  
Author(s):  
Suntao Wang ◽  
Yu-fei Meng ◽  
Nozomi Ando ◽  
Mark Tate ◽  
Szczesny Krasnicki ◽  
...  

Small-angle X-ray scattering (SAXS) was performed on single-crystal chemical vapor deposition (CVD) diamonds with low nitrogen concentrations, which were fabricated by microwave plasma-assisted chemical vapor deposition at high growth rates. High optical quality undoped 500 µm-thick single-crystal CVD diamonds grown without intentional nitrogen addition proved to be excellent as windows on SAXS cells, yielding parasitic scattering no more intense than a 7.5 µm-thick Kapton film. A single-crystal CVD diamond window was successfully used in a high-pressure SAXS cell.


PLoS ONE ◽  
2021 ◽  
Vol 16 (10) ◽  
pp. e0259216
Author(s):  
Satoru Yoshimura ◽  
Satoshi Sugimoto ◽  
Takae Takeuchi ◽  
Kensuke Murai ◽  
Masato Kiuchi

We proposed an experimental methodology for producing films on substrates with an ion beam induced chemical vapor deposition (IBICVD) method using hexamethyldisilazane (HMDS) as a source material. In this study, both HMDS and ion beam were simultaneously injected onto a Si substrate. We selected Ar+ and N+ as the ion beam. The energy of the ion beam was 101 eV. Temperature of the Si substrate was set at 540 °C. After the experiments, films were found to be deposited on the substrates. The films were then analyzed by Fourier transform infrared (FTIR) spectroscopy, stylus profilometer, X-ray diffraction, atomic force microscopy, and X-ray photoelectron spectroscopy (XPS). The FTIR and XPS results showed that silicon carbide films containing small amount of nitrogen were formed when Ar+ ions were injected in conjunction with HMDS. On the other hand, in the cases of N+ ion beam irradiation, silicon nitride films involving small amount of carbon were formed. It was noted that no film deposition was observed when HMDS alone was supplied to the substrates without any ion beam injections.


1986 ◽  
Vol 1 (3) ◽  
pp. 420-424 ◽  
Author(s):  
T.R. Jervis ◽  
L.R. Newkirk

Dielectric breakdown of gas mixtures can be used to deposit thin films by chemical vapor deposition with appropriate control of flow and pressure conditions to suppress gas-phase nucleation and particle formation. Using a pulsed CO2 laser operating at 10.6 μ where there is no significant resonant absorption in any of the source gases, homogeneous films from several gas-phase precursors have been sucessfully deposited by gas-phase laser pyrolysis. Nickel and molybdenum from the respective carbonyls representing decomposition chemistry and tungsten from the hexafluoride representing reduction chemistry have been demonstrated. In each case the gas precursor is buffered with argon to reduce the partial pressure of the reactants and to induce breakdown. Films have been characterized by Auger electron spectroscopy, x-ray diffraction, transmission electron microscopy, pull tests, and resistivity measurements. The highest quality films have resulted from the nickel depositions. Detailed x-ray diffraction analysis of these films yields a very small domain size consistent with the low temperature of the substrate and the formation of metastable nickel carbide. Transmission electron microscopy supports this analysis.


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