氮化硼
原子单位
劈理(地质)
石墨
Crystal(编程语言)
材料科学
硼
化学物理
分子
纳米技术
六方氮化硼
物理
结晶学
化学
复合材料
有机化学
程序设计语言
量子力学
断裂(地质)
计算机科学
石墨烯
作者
Kostya S. Novoselov,Da Jiang,F. Schedin,Timothy J. Booth,V. V. Khotkevich,С. В. Морозов,A. K. Geǐm
标识
DOI:10.1073/pnas.0502848102
摘要
We report free-standing atomic crystals that are strictly 2D and can be viewed as individual atomic planes pulled out of bulk crystals or as unrolled single-wall nanotubes. By using micromechanical cleavage, we have prepared and studied a variety of 2D crystals including single layers of boron nitride, graphite, several dichalcogenides, and complex oxides. These atomically thin sheets (essentially gigantic 2D molecules unprotected from the immediate environment) are stable under ambient conditions, exhibit high crystal quality, and are continuous on a macroscopic scale.
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