Anna Palau at Helmholtz Zentrum Berlin for X-PEEM measurements Written by Patricia Álvarez on July 28, 2014. Posted in News. From 21st to 27th of July, Dr. Anna Palau visited the synchrotron radiation source BESSY II at Helmholtz Zentrum Berlin to perform X-PEEM space resolved magnetic measurements in hybrid superconductor-magnetic systems. Previous Next