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Details of Grant 

EPSRC Reference: EP/H020284/1
Title: The structure of threading defects in GaN nanorods
Principal Investigator: Cherns, Professor D
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Physics
Organisation: University of Bristol
Scheme: Standard Research
Starts: 07 October 2009 Ends: 06 August 2010 Value (£): 6,574
EPSRC Research Topic Classifications:
Optical Devices & Subsystems
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
The proposal is to use the SuperStem facility at Daresbury to analyse the atomic structure of new threading defects observed in GaN nanorods grown by molecular beam epitaxy as part of a recent EPSRC grant, EP/D080762/1, joint between Bristol, Nottingham and Bath Universities. A model for these defects, which are planar faults, has already been derived as a result of low resolution observations in the transmission electron microscope in Bristol, and this has been used to propose a new nanorod growth mechanism. The SuperStem will enable us to directly analyse the displacements associated with these faults, and thereby clarify the growth model.
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Organisation Website: http://www.bris.ac.uk