Structure and Transport Studies on <font>PrBa</font>2(<font>Cu</font>1-x<font>M</font>x)3<font>O</font>7: <font>M = Al</font>, Fe, and Ni

We have fabricated metal doped PrBa 2 Cu 3 O 7 (PBCO), i.e. PrBa 2 ( Cu 1-x M x ) 3 O 7 (PBCMO) with M = Al , Fe, and Ni, and x = 0.05, 0.10, 0.15, and 0.20....