Rapid Access at P02.1

This page provides information about how to apply for a rapid access experiment at P02.1. Since the rapid access trial call in summer 2019 was very successful, we are planning to implement a regular rapid access procedure at P02.1. As soon as this is established we will inform the user community via email and this website.

The Powder Diffraction and Total Scattering Beamline at PETRA III, P02.1, is offering on a regular basis rapid access for the measurement of samples in capillaries (samples are e.g. polycrystalline, amorphous or liquid materials). These measurements can be performed as Powder diffraction (PXRD) and/or Pair Distribution Function (PDF) measurements, however, currently under ambient conditions only. This access route allows users to send capillary mounted samples to DESY for measurement by beamline staff.


Instructions for trial run in 2019:

The aim of this first run is to understand demand from the community for this access route and to develop sample and data handling methods for a possible future expansion of this program. As this is a trial run, we are offering powder diffraction (PXRD) and Pair Distribution Function (PDF) measurements under ambient conditions only. This call will be limited to 10 samples per group.

Data collection will be performed remotely by beamline staff, meaning that only your samples need to be sent to DESY. To submit a proposal, please send a half page abstract detailing the science case, as well as details of the number of samples and type of measurements needed (PDF and/or PXRD) to martin.etter@desy.de by 17:00 on Monday 8th April 2019. We aim to inform successful applicants by early May and capillary loaded samples should arrive at DESY no later than 1st June 2019.  Sample should be mounted in 0.5 to 1.0 mm diameter capillaries; we require at least 10 mm depth of sample. Full details of the requirements for the capillaries will be circulated to successful applicants. Data should be available by the end of June 2019.

Proposals will be reviewed on their scientific merit, technical feasibility and also on genuine need of rapid access (e.g. a measurement needed to complete a paper or a scientifically interesting study, which requires less than 2 shifts of normal beamtime).

If you have any technical questions relating to a rapid access proposal, please contact martin.etter@desy.de or other P02.1 beamline staff.