Applied Physics Letters
Applied Physics Letters > 2009 > 94 > 26 > 263107 - 263107-3
Applied Physics Letters > 2009 > 94 > 26 > 263501 - 263501-3
Applied Physics Letters > 2009 > 94 > 26 > 263107 - 263107-3
Applied Physics Letters > 2009 > 94 > 26 > 263501 - 263501-3