Ion beam
Ion-beam Sources Based on Superionic Solid Electrolytes
... With TOF-SIMS the primary ion beam is pulsed to allow the ions to be dispersed over time from the moment of impact. Very short pulse durations mean high mass resolution. When the pulse of primary ions hits ...
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Carbon-ion beam irradiation kills X-ray-resistant p53-null cancer cells by inducing mitotic catastrophe.
... carbon-ion beam irradiation of p53-mutant cancer ...carbon-ion beam irradiation with high LET values [12, ...carbon-ion beam irradiation ...carbon-ion beam ...
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Atomic force microscopy assisted with electron and ion beam microscopy for the direct measurement of biostructures and DNA samples
... Studies of atomic force microscopy (AFM), a technique commonly associated with material sciences, in the field of biotechnology, with special emphasis on molecular biology and bionanotechnology elements, are presented ...
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Simulation studies of the ion beam transport system in a compact electrostatic accelerator-based D-D neutron generator
... an ion beam trans port mech a nism con trib utes to the pro duc tion of a good qual - ity ion beam with a higher cur rent and better beam emit ...an ion beam pro vides the ...
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Detection of silver nanoparticles inside marine diatom Thalassiosira pseudonana by electron microscopy and focused ion beam.
... Transmission electron microscopy (TEM) has been employed to image the interaction of polydispersed AgNPs with the bacteria Ochromonas danica and Pseudomonas putida [8,23]. This methodology involves the preparation of ...
7
Insight into <i>Emiliania huxleyi</i> coccospheres by focused ion beam sectioning
... During the cutting process the FIB gun is inclined by 54 ◦ with respect to the SEM gun and – thus – no sample rotation or tilt is required for imaging the cross-section of the cut sphere. In order to keep the ion ...
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REPOSITORIO INSTITUCIONAL DA UFOP: Study of oxygen self-diffusion in oxides by ion beam techniques : comparison between nuclear reaction analysis and SIMS.
... Among the different techniques for surface charac- terization, two are able to perform depth profile analy- sis with isotopic sensitivity: nuclear reaction analysis[r] ...
5
A statistical study of the upstream intermediate ion boundary in the Earth's foreshock
... the ion beam instability resulting from the interaction between the re¯ected ion population and the solar-wind ion distribution have been developed to explain the simultaneous occurrence of ...
9
Braz. J. Phys. vol.34 número4B
... nitrogen ion bombardment on Cr film, showing that the latter can be introduced into the iron ma- trix, as can be seen in the ...nitrogen ion beam at 100 keV seems to be large enough to make the ...
3
Ion Current Density Calculation of the Inductive Radio Frequency Ion Source
... inductive ion source at ...and ion current density of the ion source is calcu- lated in relation to absorbed RF power and gas pressure as a discharge chamber size ...that ion beam ...
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Enhanced Production of Vitamin K2 from Bacillus subtilis (natto) by Mutation and Optimization of the Fermentation
... of ion beam implantation, and this was confirmed by the results ...of ion beam implantation may not only be induced by energy absorption, but also results from mass deposition and charge ...
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Thin current sheets with strong bell-shape guide field: Cluster observations and models with beams
... intense ion-scale current sheets with strong electron currents and the guide field having a bell-shape ...the ion inertial length and significantly smaller than the characteris- tic ion ...electron ...
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Mat. Res. vol.18 número1
... by ion beam nitriding at low temperature (380°C) on the surface topography and wear resistance of thin TiN coatings deposited by reactive ion beam assisted ...preliminary ion ...
5
Comparison of base substitutions in response to nitrogen ion implantation and
... nitrogen ion beam implantation by using the lacZ ...an ion beam and DNA is different in vi- tro and in ...nitrogen ion beam induces a mutation in ...
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Braz. J. Phys. vol.40 número1
... discharge ion source system has been determined using the operating parameters of the ion ...incident ion for nitrogen while for argon between ...incident ion. The feature of this ion ...
4
Lat. Am. j. solids struct. vol.10 número2
... ribut ion t o derive t he governing equat ...cal beam t heory, t he first order t heory, and t he parabolic and exponent ial shear deformat ion beam t ...classical beam t heory, ot her ...
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Braz. J. Phys. vol.30 número3
... The hardness and stress of amorphous arbon lms prepared by glow disharge and by ion beam.. assisting deposition are investigated.[r] ...
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Corrosion resistance enhancement of SAE 1020 steel after Chromium implantation by nitrogen ion recoil
... electron beam on SAE 1020 surface and then bombarding either by nitrogen Plasma Immersion Ion Implantation (PIII) or ion beam (IB), Cr atoms are recoil introduced into the steel matrix 4,5 ...
3
Braz. J. Phys. vol.39 número1
... Ion beam extraction from ion sources [9] is influenced by many parameters such as electrode geometry, applied extrac- tion voltage, space charge in the extracted beam and finally the shape of ...
6
Structural analysis of composite metakaolin-based geopolymer concrete Análise estrutural do compósito de concreto geopolimérico à base de metacaulim
... In general, the mechanical behavior of the geopolymer concrete makes it a potential candidate to be applied to structural elements. This concrete has higher bond on steel-concrete interface, ductil- ity and toughness, ...
9