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Article
Incremental modification of robotic prostatectomy technique can lead to aggregated marginal gains to significantly improve functional outcomes without compromising oncological control
Surgeons should aim for continuous quality improvement. The aim of this study was to evaluate the impact of incremental changes to Robot Assisted Radical Prostatectomy (RARP) technique on intra-operative and e...
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Article
Optimization of the a-SiC p-layer in a-Si:H-based n-i-p Photodiodes
Our work is aimed at enhancing the external quantum efficiency (EQE) of n-i-p photodiodes by reducing the absorption losses in the p-layer and the recombination losses in the p-i interface. We have applied boron-...
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Article
Open AccessManagement of intractable bladder neck strictures following radical prostatectomy using the Memokath®045 stent
The incidence of vesicourethral anastomotic stenosis (VUAS) post radical prostatectomy varies from 1 to 26%. Current treatment can be challenging and includes a variety of different procedures. These range fro...
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Article
Management of refractory autoimmune hemolytic anemia via allogeneic stem cell transplantation
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Article
Removal of Metaldehyde Through Photocatalytic Reactions Using Nano-Sized Zinc Oxide Composites
Metaldehyde is a selective molluscicide used in the agricultural and residential sector to control slugs and snails for a wide variety of crops. In recent years, some water companies have started monitoring dr...
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Article
Thin-Film Phototransistor with nc-Si:H/a-Si:H Bilayer Channel
There is significant interest in optical sensors whose fabrication process is fully compatible with existing flat panel display thin film transistor (TFT) technology. Here, we report a field-effect phototransi...
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Article
Reduction of Dark Current Under Reverse Bias in a-Si:H p-i-n Photodetectors
This paper presents the development of low dark current amorphous silicon (a-Si:H) based heterojunction photodiodes. A series of p-i-n and n-i-p structures have been deposited by plasma-enhanced chemical vapor...
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Article
Amorphous Silicon Active Pixel Sensor Readout Circuit Architectures for Medical Imaging
Results from previous work indicate the feasibility of the amorphous silicon (a-Si) active pixel sensor (APS) readout circuit that performs on-pixel amplification for low-noise, real time imaging applications ...
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Article
Enhanced Blue Sensitivity in ITO/a-SiNx:H/a-Si:H MIS Photodetectors
We report an ITO/a-SiNx:H/a-Si:H MIS photodetector with improved performance in terms of its dark current, stability, and spectral response in the blue region. The a-Si:H and a-SiNx:H thin film layers were deposi...
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Article
Threshold Voltage Performance of a-Si:H TFTs for Analog Applications
Amorphous silicon (a-Si:H) thin-film transistors (TFT) used in emerging, non-switch applications such as analog amplifiers or active loads, often have a bias at the drain terminal in addition to the gate that ...
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Article
Synthesis and Characterization of Methyltriethoxysilane Based Low Permittivity (Low-k) Polymeric Dielectrics
A low-permittivity (low-k) polymeric material has been synthesized using methyltriethoxysilane as base material. The films were reproduceably deposited, by spin-coating on Si wafers with a uniform thickness in...
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Article
Parental perception of time and decision-making in neonatal research
To assess the impact of time on parental decision-making for research participation for neonates with congenital heart disease.
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Article
Optimization of p-type Nanocrystalline Silicon Thin Films for Solar Cells and Photodiodes
We report on structural, electronic, and optical properties of boron-doped, hydrogenated nanocrystalline silicon (nc-Si:H) thin films deposited by plasma-enhanced chemical vapor deposition (PECVD) at a substra...
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Article
High Fill Factor a-Si:H Sensor Arrays with Reduced Pixel Crosstalk
In this paper, we report on low noise, high fill factor amorphous silicon (a-Si:H) image sensor structures for indirect radiography. Two types of the sensor arrays comprising n-i-p photodiodes and m-i-s photos...
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Article
Optical properties of nanocrystalline silicon deposited by PECVD
Nanocrystalline silicon (nc-Si) thin films were deposited by 13.56 MHz plasma enhanced chemical vapor deposition (PECVD) using silane plasma highly diluted in hydrogen to induce microstructural changes from am...
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Article
Modeling and Characterization of the Hydrogenated Amorphous Silicon Metal Insulator Semiconductor Photosensors for Digital Radiography
Because of the inherent desired material and technological attributes such as low temperature deposition and high uniformity over large area, the amorphous silicon (a-Si:H) technology has been extended to digi...
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Article
Reliability of Silicon Nitride Gate Dielectric in Vertical Thin-Film Transistors
This paper presents results of a systematic investigation of the impact of film thickness on leakage current and electrical breakdown of plasma enhanced chemical vapor deposited (PECVD) silicon nitride (SiNx). We...
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Article
Segmented Amorphous Silicon n-i-p Photodiodes on Stainless-Steel Foils for Flexible Imaging Arrays
This paper reports the first successful attempt to fabricate amorphous silicon (a-Si:H) n-i-p photodiodes on a thin stainless-steel foil substrate for medical X-ray imaging applications. Two architectures of t...
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Article
Low-temperature materials and thin-film transistors for electronics on flexible substrates
The deposition processes and electronic properties of thin-film semiconductors and insulators based on silicon in relation to the fabrication of electronic devices on flexible plastic substrates are considered...
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Article
Two-dimensional a-Si:H/a-SiC:H n-i-p sensor array with ITO/a-SiNx antireflection coating
This paper presents a two-dimensional a–Si:H/a-SiC:H n–i–p photodiode array with switching diode readout, developed specifically for fluorescence-based bio-assays. Both device structure and fabrication process...
