Electric field effect in atomically thin carbon films

被引：58389

作者：

Novoselov, KS

Geim, AK ^{[1
]}

Morozov, SV

Jiang, D

Zhang, Y

Dubonos, SV

Grigorieva, IV

Firsov, AA

机构：

[1] Univ Manchester, Dept Phys, Manchester M13 9PL, Lancs, England

[2] Russian Acad Sci, Inst Microelect Technol, Chernogolovka 142432, Russia

来源：

SCIENCE | 2004年 / 306卷 / 5696期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1126/science.1102896

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We describe monocrystalline graphitic films, which are a few atoms thick but are nonetheless stable under ambient conditions, metallic, and of remarkably high quality. The films are found to be a two-dimensional semimetal with a tiny overlap between valence and conductance bands, and they exhibit a strong ambipolar electric field effect such that electrons and holes in concentrations up to 10(13) per square centimeter and with room-temperature mobilities of similar to10,000 square centimeters per volt-second can be induced by applying gate voltage.

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页码：666 / 669

页数：4

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