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title = {{{InGaN} nanopillars grown on silicon substrate using plasma assisted molecular beam epitaxy}},  journal = {Nanotechnology},  }  @article{Guo_2010,  doi = {10.1021/nl101027x},  url = {http://dx.doi.org/10.1021/nl101027x},  year = {2010},  month = {sep},  publisher = {American Chemical Society ({ACS})},  volume = {10},  number = {9},  pages = {3355--3359},  author = {Wei Guo and Meng Zhang and Animesh Banerjee and Pallab Bhattacharya},  title = {{Catalyst-Free {InGaN}/{GaN} Nanowire Light Emitting Diodes Grown on (001) Silicon by Molecular Beam Epitaxy}},  journal = {Nano Letters},  }