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Charge and Spin Transport in Disordered Graphene-Based Materials / by Dinh Van Tuan.
- Format:
- Book
- Author/Creator:
- Van Tuan, Dinh., Author.
- Series:
- Springer Theses, Recognizing Outstanding Ph.D. Research, 2190-5053
- Language:
- English
- Subjects (All):
- Nanoscience.
- Nanostructures.
- Optical materials.
- Electronics--Materials.
- Electronics.
- Materials—Surfaces.
- Thin films.
- Nanoscale Science and Technology.
- Optical and Electronic Materials.
- Surfaces and Interfaces, Thin Films.
- Local Subjects:
- Nanoscale Science and Technology.
- Optical and Electronic Materials.
- Surfaces and Interfaces, Thin Films.
- Physical Description:
- 1 online resource (162 p.)
- Edition:
- 1st ed. 2016.
- Place of Publication:
- Cham : Springer International Publishing : Imprint: Springer, 2016.
- Language Note:
- English
- Summary:
- This thesis presents an in-depth theoretical analysis of charge and spin transport properties in complex forms of disordered graphene. It relies on innovative real space computational methods of the time-dependent spreading of electronic wave packets. First a universal scaling law of the elastic mean free path versus the average grain size is predicted for polycrystalline morphologies, and charge mobilities of up to 300.000 cm2/V.s are determined for 1 micron grain size, while amorphous graphene membranes are shown to behave as Anderson insulators. An unprecedented spin relaxation mechanism, unique to graphene and driven by spin/pseudospin entanglement is then reported in the presence of weak spin-orbit interaction (gold ad-atom impurities) together with the prediction of a crossover from a quantum spin Hall Effect to spin Hall effect (for thallium ad-atoms), depending on the degree of surface ad-atom segregation and the resulting island diameter.
- Contents:
- Introduction
- Electronic and Transport Properties of Graphene
- The Real Space Order O(N) Transport Formalism
- Transport in Disordered Graphene
- Spin Transport in Disordered Graphene
- Conclusions.
- Notes:
- "Doctoral Thesis accepted by Autonomous University of Barcelona, Spain."
- Includes bibliographical references at the end of each chapters.
- ISBN:
- 3-319-25571-1
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