Dissertation

Electrical Properties of Amorphous/Crystalline Semiconductor Heterojunctions and Determination of Gap-state Distributions in Amorphous Semiconductors

Hideharu Matsuura

Kyoto University, Japan

All pages of my dissertation (PDF file 6.66 MB)

CONTENTS

ABSTRACT

ACKNOWLEDGMENTS

CHAPTER I
INTRODUCTION

References

CHAPTER II
PROPERTIES OF CONTACTS BETWEEN HYDROGENATED AMORPHOUS SILICON AND OTHER MATERIALS

2-1. Introduction
2-2. Contact Properties for Undoped and P-doped a-Si;H
2-3. Contact Properties for B-doped a-Si:H
2-4. Summary
References

CHAPTER III
CAPACITANCE-VOLTAGE CHARACTERISTICS OF UNDOPED a-Si:H/p c-Si HETEROJUNCTIONS

3-1. Introduction
3-2. Experimental High-frequency C-V Characteristics
3-2-1. C-V characteristics
3-2-2. Steady-sate heterojunction-monitored capacitance method
3-2-3. Band discontinuity between a-Si:H and c-Si
3-3. Simulation of High-frequency C-V Characteristics
3-3-1. Modeling
3-3-2. Simulation
3-3-3. Reliability of steady-state HMC method
3-4. Summary
References

CHAPTER IV
CURRENT-VOLTAGE CHARACTERISTICS OF UNDOPED a-Si:H/p c-Si HETEROJUNCTIONS

4-1. Introduction
4-2. I-V Characteristics
4-3. Forward I-V Characteristics
4-4. Reverse I-V Characteristics
4-5. Summary
References

CHAPTER V
MIDGAP-STATE PROFILES DETERMINED BY TRANSIENT HMC METHOD

5-1. Introduction
5-2. Transient Capacitance
5-3. Theory of Transient HMC Method
5-4. Transient HMC Measurements
5-5. Summary
References

CHAPTER VI
CHANGES OF MIDGAP STATES

6-1. Introduction
6-2. Midgap-state Profiles in Undoped Hydrogenated Amorphous Silicon-based Alloys
6-3. Thermal Recovery Process of Midgap-state Profile of Light-soaked Undoped a-Si:H
6-4. Optically and Thermally Induced Reversible Changes of Midgap States in Undoped a-Si:H
6-5. Summary
References

CHAPTER VII
CONCLUSION

APPENDIX

LIST OF SYMBOLS

LIST OF ACRONYMS

CONSTANTS

LIST OF PUBLICATIONS