Visible Photoluminescence from Si^+-Implanted SiO_2 Films after High-Temperature Rapid Thermal Annealing
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概要
- 論文の詳細を見る
Two photoluminescence(PL)bands were observed in 4 × 10^<15>cm^<-2>-fluence-Si^+-implanted 100-nm-thick SiO_2 films after rapid thermal annealing(RTA)at 950-1150℃ with 2-4eV excitation. The PL band at 2.2eV was excited by 3.8eV photons in the films after RTA in dry nitrogen while the other band at 1.9 eV was excited by 2.5 eV photons in the films after isochronal RTA in wet nitrogen. Moreover, the origin for the 2.2 eV energy band was found to be the same as that of the E'_δ center. The origin of the 1.9 eV band could be ascribed to the non-bridging oxygen hole centers(NBOHC). The latter was more stable even at high temperatures and showed a stronger PL intensity than the former.
- 社団法人応用物理学会の論文
- 2000-02-01
著者
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Tsai Jen-hwan
Department Of Mathematics And Physics Chinese Air Force Academy
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Tsai Jen-hwan
Department Of Applied Physics Chung-cheng Institute Of Technology
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Yu Ann-ting
Department Of Mathematics And Physics Chinese Air Force Academy
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SHEU Bor-Chiou
Department of Applied Physics, Chung-Cheng Institute of Technology
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Sheu Bor-chiou
Department Of Applied Physics Chung-cheng Institute Of Technology
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