Applied Physics Letters
Applied Physics Letters > 2009 > 94 > 25 > 251116 - 251116-3
Applied Physics Letters > 2009 > 94 > 26 > 261104 - 261104-3
Applied Physics Letters > 2009 > 94 > 25 > 251116 - 251116-3
Applied Physics Letters > 2009 > 94 > 26 > 261104 - 261104-3