Advances in the growth and characterization of Ge quantum dots and islands

被引:8
作者
Baribeau, JM
Rowell, NL
Lockwood, DJ
机构
[1] Natl Res Council Canada, Inst Microstruct Sci, Ottawa, ON K1A 0R6, Canada
[2] Natl Res Council Canada, Inst Natl Measurement Stand, Ottawa, ON K1A 0R6, Canada
关键词
BAND-GAP PHOTOLUMINESCENCE; STRANSKI-KRASTANOV GROWTH; SELF-ASSEMBLED ISLANDS; X-RAY-DIFFRACTION; SIGE ISLANDS; OPTICAL-PROPERTIES; DISLOCATION NETWORK; SI1-X-YGEXCY ALLOYS; GE/SI(001) ISLANDS; SHAPE TRANSITION;
D O I
10.1557/JMR.2005.0405
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We review recent advances in the growth of Si1-xGex islands and Ge dots on (001) Si. We first discuss the evolution of the island morphology with Si1-xGex coverage and the effect of growth parameters or post-growth annealing on the shape of the islands and dots. We outline some of the structural and optical properties of Si1-xGex islands and assess progress in the determination of their composition and strain distribution. Finally, we discuss various approaches currently being investigated to engineer Si1-xGex quantum dots and in particular to control their size, density, and spatial distribution. For example, we show how C pre-deposition on Si (001) can influence the nucleation and growth of Ge islands.
引用
收藏
页码:3278 / 3293
页数:16
相关论文
共 181 条
[81]   Luminescence study of Si/Ge quantum dots [J].
Larsson, M ;
Elfving, A ;
Holtz, PO ;
Hansson, GV ;
Ni, WX .
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2003, 16 (3-4) :476-480
[82]   Superlattices of self-assembled Ge/Si(001) quantum dots [J].
Le Thanh, V ;
Yam, V .
APPLIED SURFACE SCIENCE, 2003, 212 :296-304
[83]   Self-assembled nanorings in Si-capped Ge quantum dots on (001)Si [J].
Lee, SW ;
Chen, LJ ;
Chen, PS ;
Tsai, MJ ;
Liu, CW ;
Chien, TY ;
Chia, CT .
APPLIED PHYSICS LETTERS, 2003, 83 (25) :5283-5285
[84]   Nucleation of Ge quantum dots on the C-alloyed Si(001) surface [J].
Leifeld, O ;
Beyer, A ;
Müller, E ;
Grützmacher, D ;
Kern, K .
THIN SOLID FILMS, 2000, 380 (1-2) :176-179
[85]   Ordering of Ge quantum dots with buried Si dislocation networks [J].
Leroy, F ;
Eymery, J ;
Gentile, P ;
Fournel, F .
APPLIED PHYSICS LETTERS, 2002, 80 (17) :3078-3080
[86]   Strain relaxation by alloying effects in Ge islands grown on Si(001) [J].
Liao, XZ ;
Zou, J ;
Cockayne, DJH ;
Qin, J ;
Jiang, ZM ;
Wang, X ;
Leon, R .
PHYSICAL REVIEW B, 1999, 60 (23) :15605-15608
[87]   Extracting composition and alloying information of coherent Ge(Si)/Si(001) islands from [001] on-zone bright-field diffraction contrast images [J].
Liao, XZ ;
Zou, J ;
Cockayne, DJH ;
Jiang, ZM ;
Wang, X .
JOURNAL OF APPLIED PHYSICS, 2001, 90 (06) :2725-2729
[88]   Annealing effects on the microstructure of Ge/Si(001) quantum dots [J].
Liao, XZ ;
Zou, J ;
Cockayne, DJH ;
Wan, J ;
Jiang, ZM ;
Jin, G ;
Wang, KL .
APPLIED PHYSICS LETTERS, 2001, 79 (09) :1258-1260
[89]   Strain evolution in coherent Ge/Si islands [J].
Liu, CP ;
Gibson, JM ;
Cahill, DG ;
Kamins, TI ;
Basile, DP ;
Williams, RS .
PHYSICAL REVIEW LETTERS, 2000, 84 (09) :1958-1961
[90]   Self-organization of steps in growth of strained films on vicinal substrates [J].
Liu, F ;
Tersoff, J ;
Lagally, MG .
PHYSICAL REVIEW LETTERS, 1998, 80 (06) :1268-1271