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Více informací o knize Magnetotransport in Novel Low-Dimensional Carbon Nanomaterials

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Anotace knihy

Several novel low-dimensional carbon nanomaterials,§scilicet graphene mono- and bilayers, single-walled§carbon nanotubes (SWNTs) and SWNTs filled with Dy@C82§endohedral metallofullerenes (metallofullerene§peapods), were investigated by electrical§magnetotransport measurements at low temperatures in§external magnetic fields of different orientations.§The highlights of this study are that for both SWNTs§and metallofullerene peapods, significant negative§magnetoresistance (approx. 8 to 14 %) could be§observed for axially oriented magnetic fields in some§of the samples, where this effect vanished for the§perpendicular magnetic field orientation. Other§nanotubes did not show this effect at all. We assign§the clearly different magnetotransport of the§nanotubes in the parallel magnetic field§configuration to different chiralities. Moreover,§height undulations of the differential conductance§Coulomb blockade peaks of SWNTs accompanied by shifts§of the respective peak positions along the gate§voltage direction were observed. Great importance was§attached to combining the magnetotransport§measurements with further investigations as§high-resolution TEM or AFM on the very same sample.

Parametry knihy

Zařazení knihy Knihy v angličtině Mathematics & science Physics

• Plný název: Magnetotransport in Novel Low-Dimensional Carbon Nanomaterials
• Autor: Dirk Obergfell
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 208
• EAN: 9783838106007
• ISBN: 3838106008
• ID: 07034901
• Nakladatelství: Sudwestdeutscher Verlag Fur Hochschulschriften AG
• Hmotnost: 286 g
• Rozměry: 229 × 152 × 11 mm
• Datum vydání: 24. April 2009

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