ion implantation;
amorphous;
solid-phase epitaxy;
redistribution;
alkali;
rubidium;
cesium;
AMORPHOUS SI LAYERS;
REGROWTH RATE;
D O I:
10.1063/1.4766542
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
The redistribution of implanted Rb and Cs profiles in amorphous silicon during solid-phase epitaxial recrystallization has been investigated by Rutherford backscattering spectroscopy and secondary ion mass spectroscopy. For the implantation dose used in these experiments, the alkali atoms segregate at the a-Si/c-Si interface during annealing resulting in concentration peaks near the interface. In this way, the alkali atoms are moved towards the surface. Rutherford backscattering spectroscopy in ion channeling configuration was performed to measure average recrystallization rates of the amorphous silicon layers. Preliminary studies on the influence of the alkali atoms on the solid-phase epitaxial regrowth rate reveal a strong retardation compared to the intrinsic recrystallization rate.
机构:
Univ New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, AustraliaUniv New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia
Li, Wei
Varlamov, Sergey
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机构:
Univ New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, AustraliaUniv New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia
Varlamov, Sergey
Jung, Miga
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机构:
Univ New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, AustraliaUniv New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia
Jung, Miga
Huang, Jialiang
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Univ New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, AustraliaUniv New S Wales, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia