TABLE OF CONTENTS


ACKNOWLEDGMENTS. . . . . . TABLE OF CONTENTS. . . . . . LIST OF FIGURES. . . . KEY TO SYMBOLS  . ABSTRACT . . . . . . . . . . . . . . .

CHAPTER


    I INTRODUCTION.             . . . . . . . . .

 II  BAND STRUCTURE AND EFFECTIVE MASS              .

     2.1  Introduction                              .

     2.2  The Valence Band Structure of Silicon

     2.3  Effective Mass Formulation 2.4      Discussion                                .

III  MOBILITY AND SCATTERING RELAXATION TIME    .

     3.1  Introduction                              .

     3.2 Mobility and Average Scattering Relaxation

     3.3  Acoustical Phonon Scattering              .

     3.4  Optical Phonon Scattering. . . .

     3.5   Ionized Impurity Scattering . .

     3.6  Neutral Impurity'Scattering.             .

     3.7   Effect of Hole-Hole.Scattering           .

     3.8  Mob ility in the Combined Valence Band.


Time


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