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Details of Grant 

EPSRC Reference: GR/S96883/01
Title: Theoretical Modelling of Nanotube Quantum Dots
Principal Investigator: Maksym, Professor P
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Physics and Astronomy
Organisation: University of Leicester
Scheme: Standard Research (Pre-FEC)
Starts: 01 July 2004 Ends: 30 November 2007 Value (£): 156,173
EPSRC Research Topic Classifications:
Materials Characterisation
EPSRC Industrial Sector Classifications:
Electronics
Related Grants:
Panel History:  
Summary on Grant Application Form
Nanotube quantum dots lie at the heart of a new generation of molecular electronic devices. A quantum dot engineered Into a carbon nanotube device confines carriers on a length scale of about 10nm or less and this Is so small that the nature of the quantum states in the dot is critical to the operation of the device. Devices containing nanotube dots are of great interest because of their small size, about an order of magnitude smaller than the smallest conventional semiconductor devices. Room temperature single electron transistors based on nanotube dots have already been made and it has been proposed that a nanoscale field effect transistor with novel electrically tunable characteristics could be made from a nanotube dot. However the quantum states of nanotube dots are not well understood and the effect of interactions between carriers in these dots has never been studied. The aim of this research programme Is to develop a theoretical model of quantum states and interactions in nanotube dots and apply It to predict device performance and explore spin-dependent phenomena that could be exploited to make new and exotic devices.
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Organisation Website: http://www.le.ac.uk