نتایج جستجو برای: electron affinity
تعداد نتایج: 391405 فیلتر نتایج به سال:
چکیده ندارد.
The trapping of electrons by grain boundaries in semiconducting and insulating materials is important for a wide range of physical problems, for example, relating to: electroceramic materials with applications as sensors, varistors and fuel cells, reliability issues for solar cell and semiconductor technologies and electromagnetic seismic phenomena in the Earth's crust. Surprisingly, considerin...
This work focuses on two issues crucial to achieving high throughput with a negative electron affinity semiconductor photocathode source. Monte Carlo simulations indicate that for a 50 kV system, as much as 8 mA of current may be delivered to the wafer to achieve a raw throughput of 20 8 in. wafers per hour with 0.1 mm minimum feature size ~assuming a resist sensitivity of 10 mC/cm!. In order t...
Substituted Benzoquinones, Photosystem II Acceptors Benzoquinones (BQ) substituted with alkyl or alkoxy groups 2,5-dimethoxy-3,6-dichloro-/>benzoquinone (DCDMQ), 2,3,5,6-tetramethoxy-/?-benzoquinone (TMQ) have been tested for their electron affinity and site of action in the photosynthetic electron transport chain in whole cells and chloroplasts. Both the substituted compounds were found to be ...
Relativistic Density Functional Theory (DFT) based methods coupled with the Conductor-like Screening Model (COSMO) for a realistic solvation approach are used to investigate the electron affinity (EA) of a series of triscyclopentadienyl uranium complexes Cp(3)UX (X = Cl, BH(4), SPh, S(i)Pr and O(i)Pr) related to the U(iv)/U(iii) redox system. E(1/2) half-wave potentials have been measured in so...
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