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Preparation of GaN Nanorods by Rare Earth Metal Tb Catalyst-Assisted Process
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Preparation of GaN Nanorods by Rare Earth Metal Tb Catalyst-Assisted Process
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National Natural Science Foundation of China (90201025, 90301002)

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    摘要:

    利用稀土金屬Tb作為催化劑，通過氨化磁控濺射在Si(111)襯底上的Ga2O3/Tb薄膜制備出GaN納米棒。X 射線衍射和傅里葉紅外吸收譜測試結果表明，制備的樣品為六方結構的GaN。利用掃描電子顯微鏡、透射電子顯微鏡和高分辨透射電子顯微鏡對樣品進行測試，結果顯示樣品為單晶結構的納米棒，直徑為80~200 nm，長度達幾十微米。最后簡單地討論了GaN納米棒的生長機制。

    Abstract:

    Rare earth metal Tb was employed as the catalyst to prepare GaN nanostructures. GaN nanorods were synthesized through ammoniating Ga2O3/Tb films sputtered on Si(111) substrates. Results of X-ray diffraction (XRD) and Fourier transform infrared spectrum (FTIR) indicate that the prepared nanorods are hexagonal GaN. Observations of scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM) show that the GaN nanorod is single-crystalline in structure with 80~200 nm in diameter and several tens of microns in length. The growth mechanism of GaN nanorods was also discussed briefly.

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陳金華,師 平,郭紀源,薛成山. Preparation of GaN Nanorods by Rare Earth Metal Tb Catalyst-Assisted Process[J].稀有金屬材料與工程,2012,41(11):1896~1898.[Chen Jinhua, Shi Ping, Guo Jiyuan, Xue Chengshan. Preparation of GaN Nanorods by Rare Earth Metal Tb Catalyst-Assisted Process[J]. Rare Metal Materials and Engineering,2012,41(11):1896~1898.]
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  • 收稿日期:2011-11-28
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