Performance Enhancement Of A Compact Radio Frequency Ion Source By The Injection Of Supplemental Electrons PDF Download
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Total Pages | : 8 |
Release | : 1995 |
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Download Performance Enhancement of a Compact Radio Frequency Ion Source by the Injection of Supplemental Electrons Book in PDF, ePub and Kindle
A versatile, high brightness, volume type, low power RF source, capable of producing positive ion beams with intensities as high as 1 mA from gaseous feed materials and microamperes of negative ion beams has been characterized. The source can also be operated as a plasma sputter negative ion source to generate up to 1 mA of a selected species. The performance of the source in the positive and negative volume modes of operation can be greatly enhanced by addition of a removable, water cooled filament assembly in place of the negative sputter probe. For examine, the material utilization efficiencies of gaseous feed species can be more than doubled, total current intensities increased up to 40%, molecular dissociation fractions increased by 20% and minimum operating pressures reduced by a factor of four when operated in the volume mode. These added electrons also favorably effect, as a consequence of lower pressures, the emittance apparently through a reduction of scattering in the beam through the transport system. A brief description of the source and performance data for the positive volume mode of operation is presented.
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Total Pages | : 772 |
Release | : 1995 |
Genre | : Nuclear physics |
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Total Pages | : 776 |
Release | : 1996 |
Genre | : Nuclear engineering |
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Download Proceedings of the 1995 Particle Accelerator Conference Book in PDF, ePub and Kindle
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Total Pages | : 896 |
Release | : 1995-12 |
Genre | : Power resources |
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Author | : Institute of Electrical and Electronics Engineers |
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Issues for 1973- cover the entire IEEE technical literature.
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Release | : 1984 |
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Author | : Martin Reiser |
Publisher | : John Wiley & Sons |
Total Pages | : 634 |
Release | : 2008-09-26 |
Genre | : Science |
ISBN | : 3527617639 |
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Although particle accelerators are the book's main thrust, it offers a broad synoptic description of beams which applies to a wide range of other devices such as low-energy focusing and transport systems and high-power microwave sources. Develops material from first principles, basic equations and theorems in a systematic way. Assumptions and approximations are clearly indicated. Discusses underlying physics and validity of theoretical relationships, design formulas and scaling laws. Features a significant amount of recent work including image effects and the Boltzmann line charge density profiles in bunched beams.
Author | : Satinder Ahuja |
Publisher | : Elsevier |
Total Pages | : 897 |
Release | : 2006-10-17 |
Genre | : Science |
ISBN | : 0080467229 |
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Modern Instrumental Analysis covers the fundamentals of instrumentation and provides a thorough review of the applications of this technique in the laboratory. It will serve as an educational tool as well as a first reference book for the practicing instrumental analyst. The text covers five major sections: 1. Overview, Sampling, Evaluation of Physical Properties, and Thermal Analysis 2. Spectroscopic Methods 3. Chromatographic Methods 4. Electrophoretic and Electrochemical Methods 5. Combination Methods, Unique Detectors, and Problem Solving Each section has a group of chapters covering important aspects of the titled subject, and each chapter includes applications that illustrate the use of the methods. The chapters also include an appropriate set of review questions. * Covers the fundamentals of instrumentation as well as key applications * Each chapter includes review questions that reinforce concepts * Serves as a quick reference and comprehensive guidebook for practitioners and students alike
Author | : Jürgen H Gross |
Publisher | : Springer Science & Business Media |
Total Pages | : 534 |
Release | : 2006-04-05 |
Genre | : Science |
ISBN | : 3540407391 |
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Mass Spectrometry is an ideal textbook for students and professionals as well as newcomers to the field. Starting from the very first principles of gas-phase ion chemistry and isotopic properties, the textbook takes the reader through the design of mass analyzers and ionization methods all the way to mass spectral interpretation and coupling techniques. Step-by-step, the reader learns how mass spectrometry works and what it can do. The book comprises a balanced mixture of practice-oriented information and theoretical background. It features a clear layout and a wealth of high-quality figures. Exercises and solutions are located on the Springer Global Web.