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Charge and Spin Transport in Disordered Graphene-Based Materials
Engelsk
Bogcover for Charge and Spin Transport in Disordered Graphene-Based Materials af Dinh Van Tuan, 9783319370545
Specifikationer
Sprog:
Engelsk
Sider:
153
ISBN-13:
9783319370545
Indbinding:
Paperback
ISBN-10:
3319370545
Udg. Dato:
23 aug 2016
Størrelse i cm:
23,5 x 15,5
Oplagsdato:
23 aug 2016
Forfatter(e):

Charge and Spin Transport in Disordered Graphene-Based Materials

Engelsk
Paperback 2016
Format:

Bog beskrivelse
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.
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Specifikationer
Sprog:
Engelsk
Sider:
153
ISBN-13:
9783319370545
Indbinding:
Paperback
ISBN-10:
3319370545
Udg. Dato:
23 aug 2016
Størrelse i cm:
23,5 x 15,5
Oplagsdato:
23 aug 2016
Forfatter(e):
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