scholarly journals Urbach tails of amorphous silicon

2011 ◽  
Vol 83 (4) ◽  
Author(s):  
D. A. Drabold ◽  
Y. Li ◽  
B. Cai ◽  
M. Zhang
Keyword(s):  
Amorphous Silicon ◽  
Urbach Tails

scholarly journals Atomistic Origin of Urbach Tails in Amorphous Silicon

2008 ◽  
Vol 100 (20) ◽  
Author(s):  
Y. Pan ◽  
F. Inam ◽  
M. Zhang ◽  
D. A. Drabold
Keyword(s):  
Amorphous Silicon ◽  
Urbach Tails

Medium-range structure of amorphous silicon studied by the Voronoi-Delaunay method

1996 ◽  
Vol 88 (5) ◽  
pp. 1337-1348 ◽  
Author(s):  
V. A. LUCHNIKOV
Keyword(s):  
Amorphous Silicon ◽  
Medium Range

Machine learning reveals the complexity of dense amorphous silicon

Nature ◽  
2021 ◽  
Vol 589 (7840) ◽  
pp. 22-23
Author(s):  
Paul F. McMillan
Keyword(s):  
Machine Learning ◽  
Amorphous Silicon

Computer simulation study about the dependence of amorphous silicon photonic waveguides efficiency on the material quality

2020 ◽  
Vol 90 (3) ◽  
pp. 30502
Author(s):  
Alessandro Fantoni ◽  
João Costa ◽  
Paulo Lourenço ◽  
Manuela Vieira
Keyword(s):  
Amorphous Silicon ◽  
High Throughput Screening ◽  
Simulation Analysis ◽  
Low Cost ◽  
Deposition Process ◽  
Large Area ◽  
Sidewall Roughness ◽  
Sensing Applications ◽  
Fabrication Defects ◽  
The Impact

Amorphous silicon PECVD photonic integrated devices are promising candidates for low cost sensing applications. This manuscript reports a simulation analysis about the impact on the overall efficiency caused by the lithography imperfections in the deposition process. The tolerance to the fabrication defects of a photonic sensor based on surface plasmonic resonance is analysed. The simulations are performed with FDTD and BPM algorithms. The device is a plasmonic interferometer composed by an a-Si:H waveguide covered by a thin gold layer. The sensing analysis is performed by equally splitting the input light into two arms, allowing the sensor to be calibrated by its reference arm. Two different 1 × 2 power splitter configurations are presented: a directional coupler and a multimode interference splitter. The waveguide sidewall roughness is considered as the major negative effect caused by deposition imperfections. The simulation results show that plasmonic effects can be excited in the interferometric waveguide structure, allowing a sensing device with enough sensitivity to support the functioning of a bio sensor for high throughput screening. In addition, the good tolerance to the waveguide wall roughness, points out the PECVD deposition technique as reliable method for the overall sensor system to be produced in a low-cost system. The large area deposition of photonics structures, allowed by the PECVD method, can be explored to design a multiplexed system for analysis of multiple biomarkers to further increase the tolerance to fabrication defects.

ELECTRICAL PROPERTIES AND PHOTOLUMINESCENCE OF AMORPHOUS SILICON

1981 ◽  
Vol 42 (C4) ◽  
pp. C4-663-C4-666
Author(s):  
X. B. Liao ◽  
G. L. Kong ◽  
X. R. Yang ◽  
P. D. Wang ◽  
Y. Q. Chao ◽  
...  
Keyword(s):  
Electrical Properties ◽  
Amorphous Silicon

RAMAN SCATTERING IN ANNEAL STABLE AMORPHOUS SILICON

1981 ◽  
Vol 42 (C6) ◽  
pp. C6-54-C6-56 ◽  
Author(s):  
S. T. Kshirsagar ◽  
J. S. Lannin
Keyword(s):  
Raman Scattering ◽  
Amorphous Silicon

HEATING OF CRYSTALLINE AND AMORPHOUS SILICON BY C-SWITCHED LASER RADIATION

1980 ◽  
Vol 41 (C4) ◽  
pp. C4-31-C4-36
Author(s):  
J. R. Meyer ◽  
F. J. Bartoli ◽  
M. R. Kruer
Keyword(s):  
Laser Radiation ◽  
Amorphous Silicon
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