Thermionic Phenomena

Thermionic Phenomena

The Collected Works of Irving Langmuir

1st Edition - January 1, 1961

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  • Editor: C. Guy Suits
  • eBook ISBN: 9781483184494

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Description

Thermionic Phenomena is the third volume of the series entitled The Collected Works of Irving Langmuir. This volume compiles articles written during the 1920's and early 1930's, the period when the science of thermionics is beginning to be of importance. This text is divided into two parts. The first part discusses vacuum pumps, specifically examining the effect of space charge and residual gases on thermionic currents in high vacuum. This part also explains fundamental phenomena in electron tubes having tungsten cathodes and the use of high-power vacuum tubes. The second part of this text looks into the electron emission and adsorbed films, specifically studying the relation between contact potentials and electrochemical action and other related topics on electron emission. This publication will be invaluable to those interested in the works of Langmuir, particularly on thermionic phenomena.

Table of Contents


  • Foreword

    Preface

    Part 1. Thermionics — Vacuum Pumps

    Introduction to Volume 3

    The Effect of Space Charge and Residual Gases on Thermionic Currents in High Vacuum

    The Pure Electron Discharge and Its Applications in Radio Telegraphy and Telephony

    Fundamental Phenomena in Electron Tubes having Tungsten Cathodes (Part I and Part II)

    Electron Emission from Cesium-covered Filaments

    Use of High-power Vacuum Tubes

    The Effect of Space Charge and Initial Velocities on the Potential Distribution and Thermionic Current between Parallel Plane Electrodes

    A New Photo-electric Effect Reflection of Electrons Induced by Light

    Currents Limited by Space Charge between Coaxial Cylinders

    Currents Limited by Space Charge between Concentric Spheres

    Diffusion of Electrons Back to an Emitting Electrode in a Gas

    A New Vacuum Gage of Extreme Sensitiveness

    A High Vacuum Mercury Vapor Pump of Extreme Speed

    The Condensation Pump: An Improved Form of High Vacuum Pump

    Part 2. Electron Emission and Adsorbed Films

    The Relation Between Contact Potentials and Electrochemical Action

    Thermionic Effects Caused by Alkali Vapors in Vacuum Tubes

    Removal of Thorium by Positive Ion Bombardment

    The Electron Emission from Thoriated Tungsten Filaments

    Thermionic Effects Caused by Vapors of Alkali Metals

    On the Surface Heat of Charging

    Contact Potential Measurements with Adsorbed Films

    Electrochemical Interactions of Tungsten, Thorium, Cesium, and Oxygen

    Oxygen Films on Tungsten. I. A Study of Stability by Means of Electron Emission in Presence of Cesium Vapor

    The Alleged Production of Adsorbed Films on Tungsten by Active Nitrogen

    Cesium Films on Tungsten

    The Mobility of Cesium Atoms Adsorbed on Tungsten

    The Nature of Adsorbed Films of Cesium on Tungsten. I. The Space Charge Sheath and the Image Force

    The Evaporation of Atoms, Ions, and Electrons from Cesium Films on Tungsten

    Thoriated Tungsten Filaments

    Vapor Pressure of Cesium by the Positive Ion Method

    Appendix I

    Appendix II


Product details

  • No. of pages: 510
  • Language: English
  • Copyright: © Pergamon 1961
  • Published: January 1, 1961
  • Imprint: Pergamon
  • eBook ISBN: 9781483184494

About the Editor

C. Guy Suits

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