Submit proposal ↗ FacilityPETRA-IIIDeadline1 Mar 2027, 23:59 Europe/BerlinTypeStandard Regular proposal call for PETRA III at DESY, Hamburg. The call opens in January 2027. Rolling submission remains available at beamlines P08, P11, P22, P23 and P24.Deadline: 1 March 2027.