Paper Reference Number: O/P9
نویسندگان
چکیده
In this paper we present results on silicon thin films deposited by Hot-Wire CVD at low substrate temperature (200oC). Films ranging from amorphous to nanocrystalline were obtained by varying the filament temperature from 1500 to 1800oC. A crystalline fraction of 50% was obtained for the sample deposited at 1700oC. The results obtained seemed to indicate that atomic hydrogen plays a leading role in the obtention of nanocrystalline silicon. The optoelectronic properties of the amorphous material obtained in these conditions are slightly poorer than the ones observed in device-grade films grown by Plasma-Enhanced CVD due to a higher hydrogen incorporation (13%).
منابع مشابه
Adrenocorticotrophin- and Cyclic Adenosine 39,59-monophosphate- Stimulated Cortisol Secretion in Interrenal Tissue of Rainbow Trout Exposed in Vitro to Ddt Compounds
The effects of DDT compounds on the function and viability of interrenal corticosteroidogenic tissue were investigated in vitro in rainbow trout (Oncorhynchus mykiss) in a dose–response study. The o,p9-dichlorodiphenyldichloroethane (DDD) was the most potent of the tested chemicals in decreasing adrenocorticotropic hormone (ACTH)-stimulated cortisol secretion by head kidney fragments compared w...
متن کاملGas Chromatographic Enantiomer Separation of Atropisomeric PCBs Using Modified Cyclodextrins as Chiral Phases
Columns containing different types of cyclodextrin derivatives have been evaluated for chiral gas chromatographic separation of atropisomeric PCBs, o,p9-DDT and o,p9-DDD. Separation was attempted on columns containing mixed chiral selectors, and the performance of two closely related selectors was also examined. The cyclodextrins were: permethylated-b-CD (PM-b-CD), heptakis(2,3-di-O-methyl-6O-t...
متن کاملNovel ADMET design tool for chemists
We present a new tool for molecule design called ADMET SketcherTM. The tool allows chemists to draw any number of molecules inside of a canvas, and immediately obtain predicted values of dozens of key ADMET properties from our best-in-class ADMET PredictorTM software package. The sketcher itself includes a number of novel capabilities, including a feature to modify both the bond angles and tors...
متن کاملTwo novel peptides derived from Sinonovacula constricta inhibit the proliferation and induce apoptosis of human prostate cancer cells
In China, the incidence of prostate cancer has been increasing. Toxicity, drug resistance and limited transient benefits in patients are the main problems associated with standard chemotherapeutic regimens, and new drugs are therefore required to treat prostate cancer. SCH‑P9 and SCH‑P10 proteins were obtained from Sinonovacula constricta hydrolysates. The amino acid sequences of SCH‑P9 and SCH...
متن کاملIdentification of the hammerhead ribozyme metal ion binding site responsible for rescue of the deleterious effect of a cleavage site phosphorothioate.
The hammerhead ribozyme crystal structure identified a specific metal ion binding site referred to as the P9/G10.1 site. Although this metal ion binding site is approximately 20 A away from the cleavage site, its disruption is highly deleterious for catalysis. Additional published results have suggested that the pro-R(P) oxygen at the cleavage site is coordinated by a metal ion in the reaction'...
متن کامل