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Publikováno v:
Journal of Sol-Gel Science and Technology. 32:53-56
Organic tethers have been incorporated into acid- and base-catalysed silica sol–gels. The surface area is modified by this insertion suggesting an interaction at a molecular level. The HCl-catalysed SiO2 sol–gel had its relative extent of adsorpt
Autor:
R. Badheka, Paul A. Sermon
Publikováno v:
Journal of Sol-Gel Science and Technology. 32:149-153
MgF2 protective and antireflective coatings have been conventionally produced by sputtering or chemical vapour deposition CVD [1, 2], but here sol-gel routes to MgF2 are explored. MgF2(M) and MgF2(E) were prepared using an alkoxide:HF:ROH mole ratio
Publikováno v:
BASE-Bielefeld Academic Search Engine
Publikováno v:
Journal of Materials Synthesis and Processing. 8:369-375
Generally, the Si–C–O system is composed of SiO2, SiC, and pure C as crystalline phases. In the present study, we focus on the preparation of ternary silicon oxycarbide compound. For this purpose, different mixtures of quartz, silicon, and graphi
Publikováno v:
Radiation Effects and Defects in Solids. :513-524
The computer program IMPETUS calculates sputter depth profiles by solving Fokker-Plank type equations for mixing. In the standard model, the effective volume of the mixing constituents is taken to be constant throughout the mixing regardless of the c
Publikováno v:
Vacuum. 44:331-335
The ability to grow very thin δ doped layers is an important feauture of molecular beam epitaxial growth and in principle sub-monolayer deposition of dopant during interruption of the flux of matrix atoms allows the subsequently buried doped layer t
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 64:609-613
After O2 ions, Cs is the second most important probe in high-sensitivity SIMS depth profiling analysis due to the achievable high (negative) secondary ion yields. However the depth distribution of Cs is not very well known. We have investigated the b
Publikováno v:
Materials Science and Engineering: B. 12:83-89
Detailed experimental studies of the build-up of a stoichiometric SiO 2 layer in silicon substrates during bombardment with 15 keV 18 O + and 16 O + ions have provided a valuable insight into the implantation, sputtering and desorption processes that
Publikováno v:
Surface Science. 237:213-231
Low energy Ar ion bombardment is increasingly used as a surface preparation prior to thin film deposition, and in the etching of semiconductor materials for modern microelectronic devices. A study of the radiation damage and gas build-up effects asso