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Effect of a High-κ Environment on Charge Carrier Mobility in Graphene

✍ Scribed by Ponomarenko, L. A.; Yang, R.; Mohiuddin, T. M.; Katsnelson, M. I.; Novoselov, K. S.; Morozov, S. V.; Zhukov, A. A.; Schedin, F.; Hill, E. W.; Geim, A. K.

Book ID
111930436
Publisher
The American Physical Society
Year
2009
Tongue
English
Weight
223 KB
Volume
102
Category
Article
ISSN
0031-9007

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We utilize an organic polymer buffer layer between graphene and conventional gate dielectrics in top-gated graphene transistors. Unlike other insulators, this dielectric stack does not significantly degrade carrier mobility, allowing for high field-effect mobilities to be retained in top-gate operat