ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Plasma induced by pulsed laser and fabrication of silicon nanostructures |
Hang Wei-Qi (黄伟其)a, Dong Tai-Ge (董泰阁)b, Wang Gang (王刚)b, Liu Shi-Rong (刘世荣)b, Huang Zhong-Mei (黄忠梅)a, Miao Xin-Jian (苗信建)a, Lv Quan (吕泉)c, Qin Chao-Jian (秦朝建)b |
a Institute of Nanophotonic Physics, Key Laboratory of Photoelectron Technology and Application, Guizhou University, Guiyang 550025, China; b State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550003, China; c Surface Physics Laboratory, Department of Physics, Fudan University, Shanghai 200433, China |
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Abstract It is interesting that in preparing process of nanosilicon by pulsed laser, the periodic diffraction pattern from plasmonic lattice structure in the Purcell cavity due to interaction between plasmons and photons is observed. This kind of plasmonic lattice structure confined in the cavity may be similar to the Wigner crystal structure. Emission manipulation on Si nanostructures fabricated by the plasmonic wave induced from pulsed laser is studied by using photoluminescence spectroscopy. The electronic localized states and surface bonding are characterized by several emission bands peaked near 600 nm and 700 nm on samples prepared in oxygen or nitrogen environment. The electroluminescence wavelength is measured in the telecom window on silicon film coated by ytterbium. The enhanced emission originates from surface localized states in band gap due to broken symmetry from some bonds on surface bulges produced by plasmonic wave in the cavity.
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Received: 18 November 2014
Revised: 06 February 2015
Accepted manuscript online:
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PACS:
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42.55.-f
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(Lasers)
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68.65.Hb
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(Quantum dots (patterned in quantum wells))
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78.45.+h
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(Stimulated emission)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11264007 and 61465003). |
Corresponding Authors:
Hang Wei-Qi
E-mail: sci.wqhuang@gzu.edu.cn
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Cite this article:
Hang Wei-Qi (黄伟其), Dong Tai-Ge (董泰阁), Wang Gang (王刚), Liu Shi-Rong (刘世荣), Huang Zhong-Mei (黄忠梅), Miao Xin-Jian (苗信建), Lv Quan (吕泉), Qin Chao-Jian (秦朝建) Plasma induced by pulsed laser and fabrication of silicon nanostructures 2015 Chin. Phys. B 24 084205
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