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Carbon Nanotube Diameter Dependence of the Schottky Barrier Height for Pd – Carbon Nanotube Contacts

Johannes Svensson ; Abdelrahim Sourab ; Yury A. Tarakanov (Institutionen för teknisk fysik, Kondenserade materiens teori) ; DongSu Lee ; Seung Joo Park ; Seung Jae Baek ; Yung Woo Park ; Eleanor E B Campbell
Nanotechnology (0957-4484). Vol. 20 (2009), 17, p. 175204.
[Artikel, refereegranskad vetenskaplig]

Direct measurements are presented of the Schottky barrier (SB) heights of carbon nanotube devices contacted with Pd electrodes. The SB barrier heights were determined from the activation energy of the temperature-dependent thermionic emission current in the off-state of the devices. The barrier heights generally decrease with increasing diameter of the nanotubes and they are in agreement with the values expected when assuming little or no influence of Fermi level pinning.



Denna post skapades 2010-02-16. Senast ändrad 2013-10-29.
CPL Pubid: 112504

 

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Institutioner (Chalmers)

Institutionen för fysik (GU) (GU)
Institutionen för teknisk fysik, Kondenserade materiens teori (1900-2015)

Ämnesområden

Halvledarfysik

Chalmers infrastruktur