Evolution of structural order in germanium ion-implanted amorphous silicon layers

被引:18
作者
Cheng, SL [1 ]
Lin, HH
He, JH
Chiang, TF
Yu, CH
Chen, LJ
Yang, CK
Wu, DY
Chien, SC
Chen, WC
机构
[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu, Taiwan
[2] United Microelect Corp, Hsinchu, Taiwan
关键词
D O I
10.1063/1.1486256
中图分类号
O59 [应用物理学];
学科分类号
摘要
High-resolution transmission electron microscopy in conjunction with autocorrelation function analysis have been applied to investigate the evolution of structural order in germanium ion-implanted amorphous silicon (a-Si) layers. A high density of Si nanocrystallites as small as 1 nm in size was detected in as-implanted a-Si layers. The density of embedded nanocrystalline Si was found to diminish in a-Si layers with annealing temperature first then increase. The results are discussed in the context of free energy change with annealing temperature. (C) 2002 American Institute of Physics.
引用
收藏
页码:910 / 913
页数:4
相关论文
共 23 条
[1]   ELIMINATION OF END-OF-RANGE AND MASK EDGE LATERAL DAMAGE IN GE+ PREAMORPHIZED, B+ IMPLANTED SI [J].
AJMERA, AC ;
ROZGONYI, GA .
APPLIED PHYSICS LETTERS, 1986, 49 (19) :1269-1271
[2]   Mechanism of enhanced formation of C54-TiSi2 in high-temperature deposited Ti thin films on preamorphized, (001)Si [J].
Chang, SM ;
Huang, HY ;
Yang, HY ;
Chen, LJ .
APPLIED PHYSICS LETTERS, 1999, 74 (02) :224-226
[3]  
Chen L., UNPUB
[4]   Solid state amorphization in metal/Si systems [J].
Chen, LJ .
MATERIALS SCIENCE & ENGINEERING R-REPORTS, 2000, 29 (05) :115-152
[5]   Observations of structural order in ion-implanted amorphous silicon [J].
Cheng, JY ;
Gibson, JM ;
Jacobson, DC .
JOURNAL OF MATERIALS RESEARCH, 2001, 16 (11) :3030-3033
[6]  
COWLEY JM, 1981, DIFFRACTION PHYSICS, P286
[7]   AUTOCORRELATION ANALYSIS OF HIGH-RESOLUTION ELECTRON-MICROGRAPHS OF NEAR-AMORPHOUS THIN-FILMS [J].
FAN, GY ;
COWLEY, JM .
ULTRAMICROSCOPY, 1985, 17 (04) :345-355
[8]   Diminished medium-range order observed in annealed amorphous germanium [J].
Gibson, JM ;
Treacy, MMJ .
PHYSICAL REVIEW LETTERS, 1997, 78 (06) :1074-1077
[9]   Increase of parasitic resistance in shallow p+ extension by SiN sidewall process and its improvement by Ge preamorphization for sub-0.25-μm pMOSFET's [J].
Inaba, S ;
Murakoshi, A ;
Tanaka, M ;
Yoshimura, H ;
Matsuoka, F ;
Toyoshima, Y .
IEEE TRANSACTIONS ON ELECTRON DEVICES, 1999, 46 (06) :1218-1224
[10]   Shallow junction doping technologies for ULSI [J].
Jones, EC ;
Ishida, E .
MATERIALS SCIENCE & ENGINEERING R-REPORTS, 1998, 24 (1-2) :1-80