Argonne National Laboratory

Advanced Photon Source

Beamline 11-BM: High Resolution Powder Diffraction

US Dept. of Energy
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User Information
General User Proposals for 11-BM
Requests for measurements or beamtime at 11-BM must be submitted as a General User Proposal (GUP). Register with the APS User Office to obtain a badge number needed to access the GUP system.
Rapid Access mail-in requests may be submitted at any time, and are typically reviewed within ~ 1 week of submission.
On-Site experiment requests should be submitted for one of the three annual APS proposal deadlines. Check the APS Proposal Calendar for exact dates.
Beamtime is requested in units of time called "shifts", where 1 shift is 8 hours (3 shifts per day). Currently 11-BM reserves ~ 50% of available shifts for rapid access mail-in measurements.
read Step-by-Step directions for making a 11-BM mail-in proposal
start a New Proposal via the GUP system (for registered APS users)

Before submitting a GUP, think about your project and consider the bullet points below.
  • On-Site or Mail-In Experiment?
  • The rapid access mail-in program cannot accommodate all experiments. There are restrictions on the number of allowed samples, the permitted hazards, and available data collection parameters.
    Rapid access mail-in proposals may be submitted at anytime and are reviewed usually within ~ 1 week. New users are encouraged to consider rapid access requests if possible to determine feasibility before requesting on-site time.
    On-Site experiment requests are required for experiments falling outside the scope of our mail-in service. Please check with beamline staff if you have any questions.
    These proposals are reviewed and scored by external panels. An allocation committee then awards experimental time based on these scores and the requested beamlines' availability.

  • How Many Shifts are Needed?
  • Rapid access mail-in requests for 11-BM are limited to 1 total shift (8 hours or 8 samples) per proposal. A new proposal is required for each rapid access mail-in proposal and request.
    On-Site experiment proposals may have multiple BeamTime Requests (BTR) on a single proposal over the 2-year lifetime (6 cycle) of the proposal. All APS proposals expire after two years, or when the allocated time has been used.

    Start a New Proposal, or review additional information about each section of the General User Proposal.



     
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