Thermionic Phenomena - 1st Edition - ISBN: 9780080093550, 9781483184494

Thermionic Phenomena

1st Edition

The Collected Works of Irving Langmuir

Editors: C. Guy Suits
eBook ISBN: 9781483184494
Imprint: Pergamon
Published Date: 1st January 1961
Page Count: 510
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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


Details

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

About the Editor

C. Guy Suits