ALBA Synchrotron
Please have a look at the following documentation as a help for the preparation of your experiment proposals and preparing for your experiments at BOREAS beamline.
User information for BOREAS instrumentation
The picture below shows the available sample holders at the xcmd endstation. You have a detailed word document with examples of different sample mounting here. CAD models in STEP file format at available as well: standard sample holder(1), STM-platen sample holder(3), STMlow nut sample holder with contacts(4). Related sample holders with holes for transmission experiments are also available.
The standard STM-plate used at BOREAS is shown here. A CAD model in STEP file format is also available here. SPEC or OMICRON STM plate standards normally fit also well in our endstation adapted sample holder and e-beam heating stage, but if you plan to use your own STM plates we suggest you to crosscheck with us.
The picture below shows the available sample holders at the scattering endstation (CAD file in links): standard reflectivity sample holder(#1), enlarged reflectivity sample holder for more samples(#2), STM plate adapter sample holder(#3), transmission sample holder for holography or very weak scattering samples with custom mounting plates, with enlarged blocking of parasitic scattering for one or two samples(#4), multisample transmission sample holders (#5).
- Find further information on the sample transfer system here.
- Find further information on the UHV suitcase system below.
- A well-equipped off-line surface preparation chamber ("surface satellite chamber") is now available to all users. It includes e-beam heating, ion sputtering, thickness monitoring, can mount ebeam and organic evaporators on a quick-exchange scheme, and has a large view LEED-Auger system. Samples on the surface satellite chamber have to be mounted on STM plates and can be in-situ transferred to XMCD and XRMS endstations.
- Surface science beamline users are also offered now the possibility to use a UHV STM&AFM system (RHK PanScan) for advanced sample characterization, on the basis of agreed scientific collaboration (contact M.Valvidares & P.Gargiani for discussion in advance to proposal submission and to ensure required sample preparation is feasible and allowed). This system has been co-funded by MINECO Programa "Retos de la Sociedad" project #FIS2013-45469-C4-3-R (AEI/Feder, EU) and ALBA.
The UHV Sample Suitcase is a small and light battery-powered UHV chamber that allows transporting in UHV conditions up to 8 samples mounted on "standard" omicron type sample plates 18mm wide or 4 double decker ones. It has been developed by ALBA and FERROVAC in order to allow users move samples in UHV conditions between their system and ALBA beamlines and vice versa.
It can be docked via a CF-40 flange to an UHV chamber via a buffer connection that will be baked out. A magnetic transfer arm carrying an omicron/specs type STM sample parking can be inserted in the vacuum chamber. Currently it has been designed specifically to be docked to BOREAS UHV-SPTR, CIRCE beamline PEEM endstation inside ALBA synchrotron and to other facilities or the nearby research institutes. Users willing to use it may contact the beamline staff.
Users willing more information on the UHV sample suitcase available at ALBA/BOREAS may contact P. Gargiani or E. Pellegrin.