Applied Physics Letters
Applied Physics Letters > 2009 > 94 > 25 > 253307 - 253307-3
Applied Physics Letters > 2009 > 94 > 25 > 251909 - 251909-3
Applied Physics Letters > 2009 > 94 > 25 > 253307 - 253307-3
Applied Physics Letters > 2009 > 94 > 25 > 251909 - 251909-3