EARLY GROWTH-STAGES OF GE-0.85 SI-0.15 ON SI(001) FROM BI SOLUTION

被引:23
作者
DORSCH, W [1 ]
CHRISTIANSEN, S [1 ]
ALBRECHT, M [1 ]
HANSSON, PO [1 ]
BAUSER, E [1 ]
STRUNK, HP [1 ]
机构
[1] MAX PLANCK INST FESTKORPERFORSCH, D-70569 STUTTGART, GERMANY
关键词
ATOMIC FORCE MICROSCOPY; COMPUTER SIMULATIONS; GROWTH; SEMICONDUCTING FILMS; SEMICONDUCTOR-SEMICONDUCTOR THIN FILM STRUCTURES; SILICON-GERMANIUM;
D O I
10.1016/0039-6028(95)00152-2
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We investigate by atomic force microscopy the early growth stages of Ge0.85Si0.15 grown by solution epitaxy on Si(001). The layers grow in the Stranski-Krastanov growth mode with facetted islands of pyramidal and, with further growth, truncated pyramidal shape. Finite element calculations of the strain fields within the islands at different growth stages yield an increasing strain energy density near the island basis edges. The effect of the increase in strain energy density is to limit the lateral growth, whereas the relaxed top regions enhance growth in height.
引用
收藏
页码:896 / 901
页数:6
相关论文
共 20 条
  • [1] ALBRECHT M, 1994, SOLID STATE PHENOM, V37, P41
  • [2] ALBRECHT M, UNPUB SCANNING
  • [3] [Anonymous], 1938, ABHANDLUNGEN AK B MN
  • [4] ANSSON PO, 1993, MATER RES SOC S P, V312, P53
  • [5] STRAINED STATE OF GE(SI) ISLANDS ON SI - FINITE-ELEMENT CALCULATIONS AND COMPARISON TO CONVERGENT-BEAM ELECTRON-DIFFRACTION MEASUREMENTS
    CHRISTIANSEN, S
    ALBRECHT, M
    STRUNK, HP
    MAIER, HJ
    [J]. APPLIED PHYSICS LETTERS, 1994, 64 (26) : 3617 - 3619
  • [6] DISLOCATION-FREE STRANSKI-KRASTANOW GROWTH OF GE ON SI(100)
    EAGLESHAM, DJ
    CERULLO, M
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (16) : 1943 - 1946
  • [7] INTERFACIAL ENERGIES PROVIDING A DRIVING-FORCE FOR GE/SI HETEROEPITAXY
    HANSSON, PO
    ALBRECHT, M
    DORSCH, W
    STRUNK, HP
    BAUSER, E
    [J]. PHYSICAL REVIEW LETTERS, 1994, 73 (03) : 444 - 447
  • [8] LIQUID-PHASE EPITAXY AND CHARACTERIZATION OF SI1-XGEX LAYERS ON SI SUBSTRATES
    HANSSON, PO
    WERNER, JH
    TAPFER, L
    TILLY, LP
    BAUSER, E
    [J]. JOURNAL OF APPLIED PHYSICS, 1990, 68 (05) : 2158 - 2163
  • [9] DIMENSIONALITY AND CRITICAL SIZES OF GESI ON SI(100)
    HANSSON, PO
    ALBRECHT, M
    STRUNK, HP
    BAUSER, E
    WERNER, JH
    [J]. THIN SOLID FILMS, 1992, 216 (02) : 199 - 202
  • [10] KERN W, 1970, RCA REV, V31, P187