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2 edition of investigation of an r.f. ion source for supplying ions from solid targets found in the catalog.

investigation of an r.f. ion source for supplying ions from solid targets

S I. Malik

investigation of an r.f. ion source for supplying ions from solid targets

dissertation[presented for the] M.Sc. Degree in Applied Solid State Physics.

by S I. Malik

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  • 36 Currently reading

Published by Brighton Polytechnic, Department of Applied Physics in Brighton .
Written in English


Edition Notes

ContributionsBrighton Polytechnic. Department of Applied Physics.
ID Numbers
Open LibraryOL13743958M

Among the ion-implanted magnesium films, the fastest kinetics were obtained with the vanadium-implanted film at a dose of 1×10 16 ions/cm 2: at K and under a hydrogen pressure of 10 bar, a concentration of 6 wt.% of hydrogen was reached in min during the first hydrogenation and in 45 min during the second one. This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.

Radionuclides find widespread use in medical technologies for treating and diagnosing disease. Among successful and emerging radiotherapeutics, Sb has unique potential in targeted therapeutic applications for low-energy electron-emitting isotopes. Unfortunately, developing Sb-based drugs has been slow in comparison to other radionuclides, primarily due to limited by: 2. High Power Impulse Magnetron Sputtering (HiPIMS) is a coating technology that combines magnetron sputtering with pulsed power concepts. By applying power in pulses of high amplitude and a relatively low duty cycle, large fractions of sputtered atoms and near-target gases are ionized. In contrast to conventional magnetron sputtering, HiPIMS is characterized by self-sputtering or repeated gas Cited by:

The compounds of interest for stopped-flow acquisition are usually detected using an upstream PDA-detector or MS, and either threshold limits in UV- and/or mass TIC chromatograms, selective ion chromatograms, or daughter ions from MS/MS, are used to trigger the stopped-flow valve for exact positioning of the analyte in the flow-cell (see Fig. ). Fig. 7—Equivalent circuit of the r-f sputtering system with the substrates isolated from ground. F. Measurement of R-F Voltage, Current, and Power The measurement of r-f current is usually performed in the r-f generator by means of a thermocouple-type r-f ammeter. It would be preferable to measure the current in the discharge directly, but the.


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Investigation of an r.f. ion source for supplying ions from solid targets by S I. Malik Download PDF EPUB FB2

S I. Malik has written: 'The investigation of an r.f. ion source for supplying ions from solid targets' Asked in Farm Crops What is the main water source for irrigating crops in the US. Laser-Based Ion Source for Mass Spectrometry and Laser Spectroscopy of Negative Ions emission time allows the electron pulse to be delayed within the time window of the gas pulse.

In order to understand if accelerated ions are due to surface contamination or bulk ions, we compared data from 10 mm CH 2 targets with 10 mm CD 2 targets as previously studied in [17, 18]. The stopping and range of ions in matter is physically very complex, and there are few simple approximations which are accurate.

However, if modern calculations are performed, the ion distributions can be calculated with good accuracy, typically better than 10%.Cited by: International Journal of Mass Spectrometry and Ion Processes, () Elsevier Science Publishers B.V., Amsterdam Fourier transform ion cyclotron resonance investigation of the deuterium isotope effect on gas phase ion/molecule hydrogen bonding interactions in alcohol-fluoride adduct ions* F.E.

Wilkinson, J.E. Szulejko, C.E. Allison and T.B. McMahon Department of Chemistry and Cited by: 6. D − ion beams of more than A were formed in a cesium − seeded volume ion source and accelerated at keV by a multi − aperture extraction system, which has holes of mm in diam.

within an area of cm × 6 cm. ing due to low energetic ions originating from ions of the post discharge, whereas the second is a broad high-energy tale, which increased with increasing target current. Recently, Hecimovic et al published a comparative study on the temporal evolution of ion fluxes obtained from several elemental targets, including C, during the HiPIMS.

Abstract. The purpose of this chapter is to review the calculation f the stopping and the final range distribution of ions in matter.

During the last thirty years there have been published scores of tables and books evaluating the parameters of energetic ion penetration of by: A GHz ECR ION SOURCE FOR METALLIC IONS M.

DELAUNAY and R. GELLER CER - CENG - DRF/PADSI, 85 X, F Grenoble Cedex, France Résumé - Une source d'ions métalliques E.C.R. de dimensions réduites et de faible consommation électrique a été développée.

La structure magnétique, enAuthor: M. Delaunay, R. Geller. Oxygen storage/release (OSC) capacity is an important feature common to all three-way catalysts to combat harmful exhaust emissions.

To understand the mechanism of improved OSC for doped CeO2, we undertook the structural investigation by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), H2-TPR (temperature-programmed hydrogen reduction) and density functional Cited by: Chemistry in Microelectronics Edited by Yannick Le Tiec metastable layers).

Values 10 times larger than those predicted by equilibrium theories were obtained [ HOU 91]. Solid source molecular beam epitaxy (SS-MBE) was used in all these studies for the growth, between and °C, of variable thickness Si1-xGex layers (with a. The metabolism of indoleacetic acid (IAA) was investigated in d-old Arabidopsis plants grown in liquid culture.

After ruling out metabolites formed as an effect of nonsterile conditions, high-level feeding, and spontaneous interconversions, a simple metabolic pattern emerged. Oxindoleacetic acid (OxIAA), OxIAA conjugated to a hexose moiety via the carboxyl group, and the conjugates Cited by: Investigation of the optimal dissolved co2 concentration and ph combination for the growth of nitrifying bacteria h [electronic resource] / by Raymond Anthony Morris.

[Tampa, Fla]: b University of South Florida, Title from PDF of title page. Document formatted into pages; contains pages. Includes vita. Disseration. The full charge of ion component and total mass loss allows to calculate ion efficiency, i.e.

a share of ions in the whole bunch, and to compare it with the corresponding theoretical estimations. These patterns demonstrate significant difference in ion current and value of.

2 Ionic compounds contain ions. (a) The numbers of electrons, neutrons and protons in four particles, WX, Y and Z, are shown in Figure 5. particle electrons neutrons protons W 09 91 X 10 14 12 Y 16 16 16 Z 18 18 16 Figure 5 Explain which particle, W, X, Y or Z, is a negative ion.

(2). (b) Calcium nitrate contains calcium ions and nitrate. Thus, in Session 3, Materials Processing and Synthesis, the technology area judged to be most amenable to application of concentrated solar photons was surface treatment and modification. The first two speakers in Session 3 addressed this area, with descriptions of current surface modification and thin film growth technologies.

Sodium Ions diffuse into cell K Potassium ions diffuse out of cell + Semi-Permeable Membrane Resistance to ionic flow is inversely proportional to permeability of the membrane to that ion Fig.

Shows typical concentratioin of sodium and Potassium ions within the cell. Chemical Gradient. Thus with a minimum expenditure of time, an operator can be reasonably sure that the GC column, the enrichment device, the ion source, the ion separating device, the ion detection device, the signal amplifying circuits, the analog to digital converter, the data reduction system, and the data output system are all functioning properly.

Abstract: Detailed investigations of laser–ion interactions require well‐defined ion targets and detection techniques for high‐sensitivity measurements of reaction educts and products.

To this end, we have designed and built the High‐Intensity Laser‐Ion Trap Experiment Penning trap setup, which features various ion‐target preparation techniques including selection, cooling. The Use of Ion Chromatography in Solid Waste Matrices: Method J.D.

Pfaff, n C.A. Brockhoff, J.W. O'Dell The phenoxyacid herbicide 2,4,5-T has an LOD of ng. However, if the discharge in the ion source is activated and the negative-ion mode is used, the LOD for 2,4,5-T is ng.

the generation of ions without an external. We measured the charge transfer rate coefficients of Si 3+ and Si 4+ with helium at electronvolt energies by using the technique of laser-induced-plasma ion source and ion storage.

The Si 3+ and Si 4+ ions are produced by laser ablation of solid silicon or tungsten disilicide targets and stored in an rf ion trap. The decay rates of the stored.Full text of "Abstracts: Particle Accelerator Conference: accelerator engineering and technology, March, Shoreham Hotel, Washington, D.C.

/ sponsored by American Physical Society, Institute of Electrical and Electronics Engineers, Nuclear Science Group, National Bureau of Standards, Center for Radiation Research, National Science Foundation, U.S. Atomic Energy Commission". _title 10/18/04 AM Page 1. Hydroponics A Practical Guide for the Soilless Grower Second Edition.

J. Benton Jones Jr. CRC PR E S .