Growth and doping characteristics of ZnSeTe epilayers by MOCVD

被引:18
作者
Kamata, A [1 ]
Yoshida, H [1 ]
Chichibu, S [1 ]
Nakanishi, H [1 ]
机构
[1] SCI UNIV TOKYO,FAC SCI,DEPT ELECT ENGN,NODA,CHIBA 278,JAPAN
关键词
D O I
10.1016/S0022-0248(96)00575-1
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Compositional control, band gap evaluation and acceptor doping characterization for ZnSeTe have been studied. Zinc selenotelluride layers were grown on GaAs (100) substrates by atmospheric metalorganic chemical vapor deposition. The composition of the ZnSexTe(1 - x) solid is proportional to the gas phase composition when the VI/II ratio is close to unity. Accurate band gap energy values for ZnSeTe epilayers were obtained at room temperature by photoreflectance spectroscopy. The bowing parameter is 1.647 eV. The p-type carrier concentration of ZnSeTe:As is drastically quenched with increasing Se incorporation. The quenching is possibly attributable to the lattice distortion.
引用
收藏
页码:518 / 522
页数:5
相关论文
共 13 条
[1]   THIRD-DERIVATIVE MODULATION SPECTROSCOPY WITH LOW-FIELD ELECTROREFLECTANCE [J].
ASPNES, DE .
SURFACE SCIENCE, 1973, 37 (01) :418-442
[2]   COLUMN-V ACCEPTORS IN ZNSE - THEORY AND EXPERIMENT [J].
CHADI, DJ .
APPLIED PHYSICS LETTERS, 1991, 59 (27) :3589-3591
[3]   HIGH-BRIGHTNESS BLUE AND GREEN LIGHT-EMITTING-DIODES [J].
EASON, DB ;
YU, Z ;
HUGHES, WC ;
ROLAND, WH ;
BONEY, C ;
COOK, JW ;
SCHETZINA, JF ;
CANTWELL, G ;
HARSCH, WC .
APPLIED PHYSICS LETTERS, 1995, 66 (02) :115-117
[4]   REFLECTIVITY OF ZNSEXTE1-X SINGLE-CRYSTALS [J].
EBINA, A ;
TAKAHASHI, T ;
YAMAMOTO, M .
PHYSICAL REVIEW B-SOLID STATE, 1972, 6 (10) :3786-+
[5]  
KAMATA A, UNPUB JPN J APPL PHY
[6]   ANOMALOUS VARIATION OF BAND GAP WITH COMPOSITION IN ZINC SULFO-TELLURIDES AND SELENO-TELLURIDES [J].
LARACH, S ;
SHRADER, RE ;
STOCKER, CF .
PHYSICAL REVIEW, 1957, 108 (03) :587-589
[7]   GROWTH OF WIDE-BAND GAP IMMISCIBLE II-VI ALLOYS BY METALORGANIC VAPOR-PHASE EPITAXY [J].
LU, DC .
JOURNAL OF CRYSTAL GROWTH, 1993, 129 (3-4) :629-634
[8]   LOW-RESISTANCE OHMIC CONTACTS FOR P-TYPE ZNTE [J].
OZAWA, M ;
HIEI, F ;
TAKASU, M ;
ISHIBASHI, A ;
AKIMOTO, K .
APPLIED PHYSICS LETTERS, 1994, 64 (09) :1120-1122
[9]   P-TYPE ZNSE BY NITROGEN ATOM BEAM DOPING DURING MOLECULAR-BEAM EPITAXIAL-GROWTH [J].
PARK, RM ;
TROFFER, MB ;
ROULEAU, CM ;
DEPUYDT, JM ;
HAASE, MA .
APPLIED PHYSICS LETTERS, 1990, 57 (20) :2127-2129
[10]   THERMODYNAMIC ANALYSIS OF METALORGANIC VAPOR-PHASE EPITAXY OF III-V ALLOY SEMICONDUCTORS [J].
SEKI, H ;
KOUKITU, A .
JOURNAL OF CRYSTAL GROWTH, 1986, 74 (01) :172-180