Applied Physics Letters
Applied Physics Letters > 2009 > 94 > 25 > 251912 - 251912-3
Applied Physics Letters > 2009 > 94 > 26 > 263103 - 263103-3
Applied Physics Letters > 2009 > 94 > 25 > 251912 - 251912-3
Applied Physics Letters > 2009 > 94 > 26 > 263103 - 263103-3