Buchcover von Eigenschaften von T- und Y-Schaltern aus Graphen
Buchtitel:

Eigenschaften von T- und Y-Schaltern aus Graphen

Untersuchung epitaktischen Wachstums von Graphen auf 6H-SiC und Analyse von T-/Y-Schaltern aus Graphen als Transistoren

AV Akademikerverlag (27.03.2015 )

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ISBN-13:

978-3-639-78956-0

ISBN-10:
3639789563
EAN:
9783639789560
Buchsprache:
Deutsch
Klappentext:
Graphene was expitaxially grown on 6H-SiC in a furnace with graphit chamber in an argon atmosphere at 1.5 bar. Dependence of the growth process on temperature and heating time were analyzed. The graphene quality, doping and thickness were analyzed with Raman spectroscopy. Infrared reflection spectroscopy allowed identifying surface plasmon related to graphene. Y-/T-Three Terminal Junctions (TTJ) were fabricated. The dependence of their rectifying behavior on the geometrical design was studied. Thereby a specific parameter was identified determining the behaviour of the TTJs. Furthermore, an explanation for the observation of diffuse behavior in TTJs with very narrow channels at a push-pull voltage close to zero is proposed. For the first time a switching, transistor like behavior is observed in TTJs made of graphene. The transconductance of these structures reaches values up to 440 µS/µm. The differential current gain is at maximum 560. An explanation for this behavior is attempted. Transmission conductance measurements of Titanium-Gold and Chrom-Gold contacts are conducted. The contact resistance is found to be 1600 Ω µm and 4400 Ω µm respectively.
Verlag:
AV Akademikerverlag
Webseite:
http://www.akademikerverlag.de/
von (Autor):
Benjamin Händel
Seitenanzahl:
84
Veröffentlicht am:
27.03.2015
Lagerbestand:
Lieferbar
Kategorie:
Elektrizität, Magnetismus, Optik
Preis:
39,90 €
Stichworte:
Elektronik, Graphen, TTJ, Transistoren, Schalter, Festkörperphysik, Epitaxie, Plasmonen, Gleichrichtereffekt, Graphenwachstum

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