BM32 Beamline Description
Scientific applications
Study of interfaces and surfaces at air or under ultra high vacuum
Source characteristics
Bending magnet - see Characteristics of bending magnet source BM32 at ESRF
|
source size |
0.4x0.3 mm2 (HxV) FWHM |
| vert. source divergence | 0.13 mrad at 20 keV |
| total horiz.ang.acceptance | 2.8 mrad |
Optical Hutch
From right to left (X-ray beam travel direction): attenuator and slits (HxV)
mirror 1
monochromator
mirror 2
micrometric slits (pink beam mode)
Optics (monochromatic mode)
| optical elements | mirror 1 | double-crystal mono. |
mirror 2 |
| distance from source | 26 m | 28 m | 30 m |
| focusing type | vert.collim.or foc. Ir-coating |
horiz.(sagital)foc. Si(111) |
vert. foc. Ir-coating |
| working angle | 0-7 mrad | 0-25 deg. | 0-10 mrad |
| beam size at sample | position (1:1) : 0.5x0.3 mm2 (HxV) | ||
| spectral range | 7-30 keV | ||
| energy resolution in |
|||
| flux at sample | |||
Optics (pink beam mode)
| optical elements | mirror 1 | mirror 2 | secondary source |
two Kirkpatrick-Baez (Pt) mirrors |
| distance from source | 26 m | 30 m | 35 m | 60 m |
| Optical function | vert. foc. Ir-coating |
vert. foc. Ir-coating |
20X20 µm2 | vert.+horiz. foc. |
| working angle | 3.65mrad | 3.65 mrad | 2.9 mrad | |
| beam size at sample | 0.5x0.7 µm2 (HxV) FWHM | |||
| pink beam spectral range | 5-25 keV | |||
| estimated flux at sample | ||||
Three instruments:
SUV: Surface under high vacuum
MicroDiff: Microdiffraction setup
A hydrogen reservoir made of … mostly hydrogen
BM02 upgrade
Relating Micro-structure to Macro-properties