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논문 기본 정보

자료유형
학술저널
저자정보
Jaehyeok Shin (Jeonbuk National University) Siyun Noh (Jeonbuk National University) Jinseong Lee (Jeonbuk National University) Jaewon Oh (Kangwon National University) Mee-Yi Ryu (Kangwon National University) Jin Soo Kim (Jeonbuk National University)
저널정보
한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.31 No.6
발행연도
2022.11
수록면
141 - 144 (4page)

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초록· 키워드

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We report the structural and optical properties of InN nanowires (NWs) formed on p-type Si(111) substrates using a plasma-assisted molecular-beam epitaxy. The InN NWs were formed on a Si(111) substrate using a new growth method, the indium (In) pre-deposition (InPD) method, in which In droplets are initially formed by supplying only In flux to the substrate, where they work as nucleation sites for the formation of subsequent InN NWs. Field-emission scanning-electron microscopy images show that the InN NWs have symmetric shapes along the vertical direction. In addition, most of the InN NWs were unidirectionally grown in the direction perpendicular to the substrate. Strong and narrow peaks corresponding to InN(0002) can be clearly observed in the double crystal X-ray diffraction rocking curves of the NW samples. In the transmission electron microscopy images of the InN NWs, stacking faults, typically observed in Si-based III-nitride semiconductors, are rarely observed. A strong free-exciton peak was observed from the InN NWs at the wavelength of 1297 nm with a narrow linewidth at room temperature. Structural and optical characterizations of the NW samples indicate that highly crystalline InN NWs were formed on Si(111) using the new InPD growth method.

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ABSTRACT
1. Introduction
2. Experimental Details
3. Results and discussion
4. Conclusions
References

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