Crystal growth of bulk ternary semiconductors: Comparison of GaInSb growth by horizontal Bridgman and horizontal traveling heater method

被引:15
|
作者
Houchens, Brent C. [1 ]
Becla, Piotr [2 ]
Tritchler, Stephanie E. [1 ]
Goza, Andres J. [1 ]
Bliss, David F. [3 ]
机构
[1] Rice Univ, Houston, TX 77251 USA
[2] Solid State Sci Corp, Nashua, NH USA
[3] USAF, Res Lab, Sensors Directorate, Hanscom AFB, MA USA
关键词
Segregation; Growth from melt; Antimonides; Semiconducting ternary compounds; ALTERNATING MAGNETIC-FIELD; INTERFACE; ALLOYS; GASB; GAAS;
D O I
10.1016/j.jcrysgro.2009.12.051
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Results from the growth of bulk Ga(1-x)In(x)Sb crystals are presented. The primary challenge for ternary crystal growth is to control the composition and electrical resistivity while also reducing the concentration of defects. A modified horizontal traveling heater method (HTHM) growth process is described which accomplishes these goals. This method uses excess indium as a solvent, allowing growth of the ternary crystal at a given composition, below the liquidus temperature of the desired alloy. Lower temperature growth reduces the density of native defects such as gallium vacancies. The horizontal traveling heater method produces a zone-leveling effect on the alloy composition, so that a uniform composition crystal is obtained. The solute distribution achieved by HTHM is compared with a crystal grown by the horizontal Bridgman method. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:1090 / 1094
页数:5
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