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刘丰恺,常杰,韩慧.大面积薄层二硫化铌的可控生长[J].低温物理学报,2021,(2):103-107. [点击复制]
- LIU Fengkai,CHANG Jie,HAN Hui.Controllable Growth of Large-scale Niobium Disulfide Thin Films[J].LOW TEMPERATURE PHYSICAL LETTERS,2021,(2):103-107. [点击复制]
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| 大面积薄层二硫化铌的可控生长 |
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刘丰恺1, 常杰2, 韩慧3
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| (1.安徽大学物质科学与信息技术研究院量子材料与物理研究所, 合肥 230601;2.安徽大学物质科学与信息技术研究院量子材料与物理研究所, 合肥 230602;3.安徽大学物质科学与信息技术研究院量子材料与物理研究所, 合肥 230603) |
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| 摘要: |
| 大面积薄层二维材料的可控制备是材料物理研究领域的热点和难点之一. 本工作采用助熔盐辅助的化学气相沉积方法在云母衬底上可控制备了大面积二硫化铌薄层, 最大尺寸达到115 微米. 通过拉曼光谱、 电子显微表征技术进一步确认了化学气相沉积法制备出的二硫化铌为3R 相, 具有很好的单晶性. 本工作基于化学气相沉积方法为可控制备二维过渡金属硫化物提供了参考. |
| 关键词: 二硫化铌, 化学气相沉积, 二维过渡金属硫化物 |
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| Controllable Growth of Large-scale Niobium Disulfide Thin Films |
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LIU Fengkai1, CHANG Jie2, HAN Hui3
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| (1.Institute of Quantum Materials and Physics , Institute of Physical Science and Information Technology , Anhui University , Hefei 230601;2.Institute of Quantum Materials and Physics , Institute of Physical Science and Information Technology , Anhui University , Hefei 230602;3.Institute of Quantum Materials and Physics , Institute of Physical Science and Information Technology , Anhui University , Hefei 230603) |
| Abstract: |
| Controllable growth of the large-scale two-dimensional materials is one of the focuses in the material physics. Here, by utilizing the flux-assisted chemical vapor deposition，we successfully realize the controllable growth of the NbS2, thin films on mica substrates. The achieved largest size of the NbS2 thin film is about 115mm. The as-grown NbS2 thin films are 3R phase with high-quality single crystalline through the Raman spectrum and electron microscopy characterizations. Our findings will advance the controllable growth of large-scale two-dimensional transition metal di chalcogenide s via the chemical vapor deposition. |
| Key words: Niobium disulfide, Chemical vapor deposition, Two-dimensional transition metal dichalcogenides |
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