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题名: Precisely aligned graphene grown on hexagonal boron nitride by catalyst free chemical vapor deposition
作者: Tang, Shujie ; Wang, Haomin ; Zhang Y(张嵛) ; Li, Ang ; Xie, Hong ; Liu, Xiaoyu ; Liu LQ(刘连庆) ; Li, Tianxin ; Huang, Fuqiang ; Xie, Xiaoming ; Jiang, Mianheng
作者部门: 机器人学研究室
关键词: SCANNING-TUNNELING-MICROSCOPY ; SINGLE-CRYSTAL GRAPHENE ; ZIGZAG EDGES ; ELECTRONIC-PROPERTIES ; SUSPENDED GRAPHENE ; LAYER GRAPHENE ; H-BN ; TRANSPORT ; HETEROSTRUCTURES ; SPECTROSCOPY
刊名: SCIENTIFIC REPORTS
ISSN号: 2045-2322
出版日期: 2013
卷号: 3, 页码:1-7
收录类别: SCI
产权排序: 2
摘要: To grow precisely aligned graphene on h-BN without metal catalyst is extremely important, which allows for intriguing physical properties and devices of graphene/h-BN hetero-structure to be studied in a controllable manner. In this report, such hetero-structures were fabricated and investigated by atomic resolution scanning probe microscopy. Moire patterns are observed and the sensitivity of moire interferometry proves that the graphene grains can align precisely with the underlying h-BN lattice within an error of less than 0.056. The occurrence of moire pattern clearly indicates that the graphene locks into h-BN via van der Waals epitaxy with its interfacial stress greatly released. It is worthy to note that the edges of the graphene grains are primarily oriented along the armchair direction. The field effect mobility in such graphene flakes exceeds 20,000 cm(2).V-1.s(-1) at ambient condition. This work opens the door of atomic engineering of graphene on h-BN, and sheds light on fundamental research as well as electronic applications based on graphene/h-BN hetero-structure.
语种: 英语
WOS记录号: WOS:000324382400001
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
关键词[WOS]: SCANNING-TUNNELING-MICROSCOPY ; SINGLE-CRYSTAL GRAPHENE ; ZIGZAG EDGES ; ELECTRONIC-PROPERTIES ; SUSPENDED GRAPHENE ; LAYER GRAPHENE ; H-BN ; TRANSPORT ; HETEROSTRUCTURES ; SPECTROSCOPY
研究领域[WOS]: Science & Technology - Other Topics
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/12561
Appears in Collections:机器人学研究室_期刊论文

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Tang, Shujie; Wang, Haomin; 张嵛; Li, Ang; Xie, Hong; Liu, Xiaoyu; 刘连庆; Li, Tianxin; Huang, Fuqiang; Xie, Xiaoming; Jiang, Mianheng.Precisely aligned graphene grown on hexagonal boron nitride by catalyst free chemical vapor deposition,SCIENTIFIC REPORTS,2013,3():1-7
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