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Monday, May 4, 2020 | History

3 edition of Field emission and field ionization found in the catalog.

Field emission and field ionization

Robert Gomer

Field emission and field ionization

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  • 1 Currently reading

Published by American Institute of Physics in New York .
Written in English

    Subjects:
  • Field emission.,
  • Field ion microscopy.

  • Edition Notes

    StatementRobert Gomer.
    SeriesAmerican Vacuum Society classics
    Classifications
    LC ClassificationsQC700
    The Physical Object
    Pagination195 p. :
    Number of Pages195
    ID Numbers
    Open LibraryOL21936085M
    ISBN 101563961245


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Field emission and field ionization by Robert Gomer Download PDF EPUB FB2

Field Emissions and Field Ionization by Robert Gomer and a great selection of related books, art and collectibles available now at When it was written, field emission was one of the few techniques available for surface studies and the attainment of ultra-high vacuum was a little-known art.

Though more sophisticated treatments have since been developed, Gomer's pioneering work remains valid to this day. Field Emissions and Field Ionization by Robert Gomer,available at Book Depository Field emission and field ionization book free delivery : Robert Gomer.

COVID Resources. Reliable information about the coronavirus (COVID) is available from Field emission and field ionization book World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Contents: Theory of Field Emission. Field-Emission Microscopy and Related Topics. Field Ionization and Related Phenomena. Some Applications of Field Emission to Adsorption. Some Miscellaneous Applications of Field Emission.

Series Title: Field emission and field ionization book Vacuum Society classics. Responsibility: Robert Gomer. More information: Table of contents. This article is cited by 4 publications.

Martin C. Botty and Ann M. Thomas. Electron by: 3. Maximum specific yields obtained under field ionization (FI) conditions amount to ca.

kg/Faraday (St) and /Faraday (α-MSt), respectively, and are higher than under field emission (FE. Description. Field Ionization Mass Spectrometry Field emission and field ionization book on developments Field emission and field ionization book field ionization (FI) mass spectrometry and describes its applications in physical chemistry, with emphasis on mass spectrometric problems.

Physico-chemical problems as well as problems of chemical analysis are considered based on issues such as the Field emission and field ionization book.

Principles of Field Ionization and Field Desorption Mass Spectrometry delves deeper into field ionization and field desorption. The book covers the five main subareas of field ionization and field desorption mass spectrometry that has grown in Edition: 1.

Description. Field Ionization Mass Spectrometry focuses on developments in field ionization (FI) mass spectrometry and describes its applications in physical chemistry, with emphasis Book Edition: 1.

Abstract. Both the field-ion microscope and the field-emission microscope are projection microscopes, in which the image is formed by radiation originating from a sharply pointed specimen and diverging from it to strike a Field emission and field ionization book screen in a vacuum by: 3.

Field ionization (FI) is the ionization of a gaseous molecule by an intense electric field, usually created by a sharp electrode at a high potential. 39 Beckey 40 et seq. showed that FI–MS is a soft ionization technique in which molecular ions are the predominating products.

Maximum specific yields obtained under field ionization (FI) conditions amount to ca. kg/Faraday (St) and /Faraday (α‐MSt), respectively, and are higher than under field emission (FE) conditions: kg/Faraday (St) and kg/Faraday (α‐MSt), by: 8.

The major breakthrough came from its further development to field desorption (FD), because FD circumvents the evaporation of the analyte prior to ionization. [14, 15] Instead, the processes of ionization and subsequent desorption of the ions formed are united on the surface of the field : Jürgen H.

Gross. The application of microfabrication technology to the development of vacuum field-effect devices has led to a resurgence in vacuum technology.

I describe microfabricated field-emission cathodes and field ion sources and discuss their performance characteristics. Arrays of miniaturized field electron emitters have been shown to produce current densities of hundreds of amperes per square Cited by: Field Ionization. The IBT group at LBNL has been developing compact neutron generators for various applications.

These compact neutron generators are based on various plasma discharges such as Penning, RF, and ECR. Taking the next step in striving for compactness, a field emission ion source is being developed for use in a neutron generator. Field Emissions and Field Ionization (AVS Classics in Vacuum Science and Technology) (rd Edition) by Robert Gomer Paperback, Pages, Published ISBN / ISBN / Need it Fast.

2 day shipping options Market: Students and researchers in vacuum and surface science, microscopy, and semiconductor Book Edition: rd Edition. Field ion and field desorption mass spectrometry of inorganic compounds.

Surface Science70 (1), DOI: /(78)X. Kazunari Dotoku, Hiroshi Yamada, Saburo Sakamoto, Shoji Noda, Hiroshi Yoshida. Field emission into nonpolar organic by:   The mechanism of field emission of positive ions is considered as depending upon the supply of molecules and their ionization probability in a field up to million volts/cm.

Experimental current-field characteristics match the theoretical curves. The velocity distribution, measured in a retarding potential tube, shows that the ions originate some 5 to A above the surface, depending Cited by: Field emission, also called Cold Emission, discharge of electrons from the surface of a material subjected to a strong electric the absence of a strong electric field, an electron must acquire a certain minimum energy, called the work function, to escape through the surface of a given material, which acts as a barrier to electron passage.

If the material is placed in an electric. The field-emission (FE) and field-ionization (FI) properties of the AuNRs were also studied, and the latter showed measurable pressure dependency in a certain voltage range.

Prime B&N Member Books A Million Club eCampus Member iRewards Member Filters: Field Emission and Field Ionization No. 9 by Robert Gomer Unknown: ISBN / ISBN / Author: Robert Gomer.

field emission and the modified Paschen s curve D B Go and A Venkattraman-Analysis of thermionic and thermo-field emission in microscale gas discharges John R Haase and David B Go-Planar microscale ionization devices in atmospheric air with diamond-based electrodes D B Go, T S Fisher, S V Garimella et al.-Recent citationsCited by:   Ionization gas sensors using vertically aligned multi-wall carbon nanotubes (MWCNT) are demonstrated.

The sharp tips of the nanotubes generate large non-uniform electric fields at relatively low applied voltage. The enhancement of the electric field results in field emission of electrons that dominates the breakdown mechanism in gas sensor with gap spacing below 14 by: A field emission gun is a type of electron gun in which a sharply pointed Müller-type [clarification needed] emitter (pp) is held at several kilovolts negative potential relative to a nearby electrode, so that there is sufficient potential gradient at the emitter surface to cause field electron rs are either of cold-cathode type, usually made of single crystal tungsten.

Electron impact ionization in a field emission-driven microdischarge has been experimentally studied using microfabricated parallel plate electrodes with gaps ranging from – µm and values of E/p ranging from –14 V cm-1 Torr −1 in atmospheric by: CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Résumé- Les paramètres d'émission d'une source à effet de champ à césium liquide ont été analysés soit en mode d'émission de champ, soit d'ionisation de champ, suggérant un processus d'ioni-sation de champ dans chacun des modes d'opération.

Abst rac t- Emission parameter of a l i q u i d metal cesium f i. Field-emission electric propulsion (FEEP) is an advanced electrostatic space propulsion concept, a form of ion thruster, that uses liquid metal (usually either caesium, indium or mercury) as a propellant.A FEEP device consists of an emitter and an accelerator electrode.

A potential difference of the order of 10 kV is applied between the two, which generates a strong electric field at the tip. A new model to study the gas detection mechanism of carbon nanotube (CNT) based ionization gas sensor has been developed.

The model incorporates the effect of electron field emission due to the presence of CNT. The model is then embedded in the standard Particle-In-Cell / Monte-Carlo-Collision (PIC-MCC) codes.

This enhanced PIC-MCC codes serve as a tool to optimize CNT based ionization Cited by: 4. The second edition features new chapters on aberration correction and applications of gas phase field ionization sources. With the inclusion of additional references to past and present work in the field, this second edition offers perfectly calibrated coverage of the field’s cutting-edge technologies with added insight into how they work.

Sharp tips or points have long been used in microscopy applications, such as the field ion microscope (FIM) 1 and the scanning tunneling microscope (STM) 2, and a range of techniques for producing sharp tips of various materials have been developed sharp tips can also be operated as field emission points (FEPs) by applying a high voltage to them, and serve as a convenient electron beam Author: Tyler L.

Van Well, Matthew Redshaw, Nadeesha D. Gamage, R. Eranjan B. Kandegedara. Other articles where Field ionization is discussed: mass spectrometry: Field ionization: Intense fields, of the order of volts per centimetre, can be generated in the neighbourhood of sharp points and edges of electrodes, and these have been used as field ionization, or field emission, sources.

This source is becoming popular in the study. @article{osti_, title = {Influence of field emission on the propagation of cylindrical fast ionization wave in atmospheric-pressure nitrogen}, author = {Levko, Dmitry and Raja, Laxminarayan L.}, abstractNote = {The influence of field emission of electrons from surfaces on the fast ionization wave (FIW) propagation in high-voltage nanosecond pulse discharge in the atmospheric-pressure.

Gomer, Field Emission and Field Ionization (Harvard University Press, ), pp. l-9, A bit murky at times, but otherwise a reasonable review of field emission of electrons.

Good and E. Müller, Handbuch der Phy (). Very good introduction to the physics of field emission. @article{osti_, title = {Breakdown voltage reduction by field emission in multi-walled carbon nanotubes based ionization gas sensor}, author = {Saheed, M.

Shuaib M. and Muti Mohamed, Norani and Arif Burhanudin, Zainal, E-mail: [email protected]}, abstractNote = {Ionization gas sensors using vertically aligned multi-wall carbon nanotubes (MWCNT) are demonstrated.

fundamentals of gaseous ionization and ion transport in order to (a) expand their understanding of the physics behind many key technologies today and (b) prepare them to conduct research both in their graduate career and beyond.

At the conclusion of this book, the reader should understand. FIELD EMISSION AND FIELD IONIZATION IN LIQUID 4He BY A. PHILIIPS AND P. McCLINTOCK Department of Physics, University of Lancaster, Lancaster (Communicated by W F.

Vinen, F.R.S. - Received 16 September ) CONTENTS PAGE 1. INTRODUCTION (a) Previous work (b) The charge carriers (c) Theory of field emission and ionization in.

The ability to create extremely high electric fields near charged carbon nanotubes has stimulated the development of electron field emission sources [1,2], with potential application in low power video displays, and of sensitive gas sensors whose ionization currents depend on the pressure and species present [3–5].The quantitative behavior of many of these devices depends on the fact that Cited by: The metallic-field effect at a metal surface is calculated in a semi-self-consistent manner using an approximate version of Bardeen's method for the evaluation of the surface potential barrier.

The consequences of the metallic-field effect in relation to field emission, field ionization, and the capacitance of a parallel-plate capacitor are.

The above result is known as the Fowler-Nordheim formula. Note that the probability of emission increases exponentially as the electric field-strength above the surface of the metal increases. The cold emission of electrons from a metal surface is the basis of an important device known as a scanning tunneling microscope, or an STM consists of a very sharp conducting probe which is.

Specialist books/ articles by R. Gomer ‘Field Emission pdf Field Ionization’ (Harvard Press, ); J. Holzl and F.K. Schulte, Solid Surface Physics (Springer, ); A. Modinos, ‘Field, Thermionic and Secondary Electron Spectroscopy’ (Plenum, ); ‘Electron Optical Systems’ (SEM Pfefferkorn Conference Series) 3 ()