CHARACTERIZATION OF TI AND V DOPED CDTE BY TIME-DEPENDENT CHARGE MEASUREMENT (TDCM) AND PHOTOINDUCED CURRENT TRANSIENT SPECTROSCOPY (PICTS)

被引:10
作者
EICHE, C [1 ]
JOERGER, W [1 ]
FIEDERLE, M [1 ]
EBLING, D [1 ]
SCHWARZ, R [1 ]
BENZ, KW [1 ]
机构
[1] UNIV FREIBURG,FREIBURGER MAT FORSCHUNGSZENTRUM,D-79104 FREIBURG,GERMANY
关键词
D O I
10.1016/0925-3467(94)00061-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Several CdTe crystals doped with vanadium (V) or titanium (Ti) were grown by a vertical Bridgman technique and the Sublimation Travelling Heater Method (STHM). Spatially resolved resistivity measurements were performed using the Time Dependent Charge Measurement (TDCM) method. It is shown that V doping leads to a more homogeneous resistivity distribution in contrast to Ti. Photoinduced Current Transient Spectroscopy (PICTS) has been used to characterize the deep levels. Up to three additional levels are introduced through the doping with transition metals.
引用
收藏
页码:214 / 218
页数:5
相关论文
共 20 条
[1]   INVESTIGATION OF THE NEGATIVE PEAK IN PHOTOINDUCED TRANSIENT SPECTRA OF SEMI-INSULATING GALLIUM-ARSENIDE [J].
BLIGHT, SR ;
THOMAS, H .
JOURNAL OF APPLIED PHYSICS, 1989, 65 (01) :215-226
[2]   DIRECT ANALYSIS OF THE PHOTOCURRENT TRANSIENT IN SEMI-INSULATING GAAS [J].
BRASIL, MJSP ;
MOTISUKE, P .
SOLID STATE COMMUNICATIONS, 1990, 74 (09) :935-939
[3]   SEEDED VAPOR GROWTH OF CADMIUM TELLURIDE USING FOCUSED RADIATION HEATING [J].
BRUDER, M ;
NITSCHE, R .
JOURNAL OF CRYSTAL GROWTH, 1985, 72 (03) :705-710
[4]   ANALYSIS OF PHOTOINDUCED CURRENT TRANSIENT SPECTROSCOPY (PICTS) DATA BY A REGULARIZATION METHOD [J].
EICHE, C ;
MAIER, D ;
SCHNEIDER, M ;
SINERIUS, D ;
WEESE, J ;
BENZ, KW ;
HONERKAMP, J .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1992, 4 (28) :6131-6140
[5]  
EICHE C, UNPUB J CRYST GROWTH
[6]  
FIEDERLE M, UNPUB J CRYST GROWTH
[7]   DEEP-LEVEL SPECTROSCOPY IN HIGH-RESISTIVITY MATERIALS [J].
HURTES, C ;
BOULOU, M ;
MITONNEAU, A ;
BOIS, D .
APPLIED PHYSICS LETTERS, 1978, 32 (12) :821-823
[8]  
JOHNSON EJ, 1982, J APPL PHYS, V54, P204
[9]  
LAASCH M, IN PRESS J CRYST GRO
[10]  
MEYER BK, 1993, MATER RES SOC SYMP P, V302, P433, DOI 10.1557/PROC-302-433