InAs/InAsP Core/shell Nanowire Photodiode on a Si Substrate

Shiyu Xie, a* Hyunseok Kim, b Wook-Jae Lee, c Alan C. Farrell, b John P. David d and Diana L. Huffaker abe a School of Physics and Astronomy, Cardiff University, Parade, Cardiff CF24 3AA, U. K. b Department of Electrical Engineering, University of California, Los Angeles, California 90095, USA. c School of Engineering, Cardiff University, Parade, Cardiff CF24 3AA, U. K. d Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield S1 3JD, U. K. e California Nano-Systems Institute, University of California, Los Angeles, California 90095, USA.