%BJournal Name: Physical Review B; Journal Volume: 87; Journal Issue: 20 %D2013%IAmerican Physical Society %JJournal Name: Physical Review B; Journal Volume: 87; Journal Issue: 20 %K %MOSTI ID: 10008865 %PMedium: X %TNanoscale surface element identification and dopant homogeneity in the high- Tc superconductor Pr x Ca 1x Fe 2 As 2 %XNot Available %0Journal Article