%ATeague, M.%ADrayna, G.%ALockhart, G.%ACheng, P.%AShen, B.%AWen, H.-H.%AYeh, N.-C.%BJournal Name: Physical Review Letters; Journal Volume: 106; Journal Issue: 8 %D2011%IAmerican Physical Society %JJournal Name: Physical Review Letters; Journal Volume: 106; Journal Issue: 8 %K %MOSTI ID: 10010103 %PMedium: X %TMeasurement of a Sign-Changing Two-Gap Superconducting Phase in Electron-Doped Ba(Fe1xCox)2As2 Single Crystals Using Scanning Tunneling Spectroscopy %XNot Available %0Journal Article