Effect of oxygen concentration in the sputtering ambient on the microstructure, electrical and optical properties of radio-frequency magnetron-sputtered indium tin oxide films

被引:82
作者
Wu, WF [1 ]
Chiou, BS [1 ]
机构
[1] NATL CHIAO TUNG UNIV,INST ELECTR,HSINCHU 30039,TAIWAN
关键词
D O I
10.1088/0268-1242/11/2/009
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Indium tin oxide (ITO) films have been prepared by radio-frequency (rf) magnetron sputtering. The effect oi oxygen concentration in the sputtering ambient on the structure and properties oi ITO films are investigated. The films have a preferred orientation in the (440) plane. The presence of oxygen during sputtering enhances the crystallization of the film. Film grain size increases as more oxygen is added. According to the XPS measurements, the addition of oxygen reduces the oxygen-deficient region of the film. Hence the optical transmittance of the film is improved while film conductivity decreases.
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收藏
页码:196 / 202
页数:7
相关论文
共 23 条
[1]   PREPARATION OF CONDUCTING AND TRANSPARENT THIN-FILMS OF TIN-DOPED INDIUM OXIDE BY MAGNETRON SPUTTERING [J].
BUCHANAN, M ;
WEBB, JB ;
WILLIAMS, DF .
APPLIED PHYSICS LETTERS, 1980, 37 (02) :213-215
[2]   ANOMALOUS OPTICAL ABSORPTION LIMIT IN INSB [J].
BURSTEIN, E .
PHYSICAL REVIEW, 1954, 93 (03) :632-633
[3]   STUDY OF BLACKENING EFFECTS OF INDIUM-TIN OXIDE BY DEPOSITING SPUTTERED TA2O5 [J].
CHUBACHI, Y ;
AOYAMA, K .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1991, 30 (07) :1442-1446
[4]   PROPERTIES OF TRANSPARENT CONDUCTING OXIDES DEPOSITED AT ROOM-TEMPERATURE [J].
DAVIS, L .
THIN SOLID FILMS, 1993, 236 (1-2) :1-5
[5]  
DEANDRADE MC, 1994, APPL PHYS A-MATER, V58, P503, DOI 10.1007/BF00332444
[6]   VARIATIONS IN STRUCTURAL AND ELECTRICAL-PROPERTIES OF MAGNETRON-SPUTTERED INDIUM TIN OXIDE-FILMS WITH DEPOSITION PARAMETERS [J].
DUTTA, J ;
RAY, S .
THIN SOLID FILMS, 1988, 162 (1-2) :119-127
[7]   FORMULATION OF A STATISTICAL THERMODYNAMIC MODEL FOR THE ELECTRON-CONCENTRATION IN HEAVILY DOPED METAL-OXIDE SEMICONDUCTORS APPLIED TO THE TIN-DOPED INDIUM OXIDE SYSTEM [J].
ELFALLAL, I ;
PILKINGTON, RD ;
HILL, AE .
THIN SOLID FILMS, 1993, 223 (02) :303-310
[8]   X-RAY PHOTOEMISSION SPECTROSCOPY STUDIES OF SN-DOPED INDIUM-OXIDE FILMS [J].
FAN, JCC ;
GOODENOUGH, JB .
JOURNAL OF APPLIED PHYSICS, 1977, 48 (08) :3524-3531
[9]   MICROSTRUCTURE AND ELECTRICAL CHARACTERISTICS OF SPUTTERED INDIUM TIN OXIDE-FILMS [J].
HIGUCHI, M ;
SAWADA, M ;
KURONUMA, Y .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1993, 140 (06) :1773-1775
[10]   DEPTH PROFILING OF OXYGEN CONCENTRATION OF INDIUM TIN OXIDE-FILMS FABRICATED BY REACTIVE SPUTTERING [J].
HONDA, S ;
TSUJIMOTO, A ;
WATAMORI, M ;
OURA, K .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1994, 33 (9A) :L1257-L1260