P22 - Hard X-ray Photoelectron Spectroscopy
P22 is designed for X-ray photoelectron spectrospopy techniques and applications making use of the high source brilliance in the photon energy 2.4 - 15 keV.
| CONTACT |
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General Specifications |
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Techniques available |
HAXPES |
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Photon source |
2m spectroscopy undulator |
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Period |
32.8 mm |
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Source brilliance |
10 18 ph /s / 0.1% bw / 100 mA |
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Polarisation |
linear horizontal |
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Photon Energy range |
2.4 keV - 30 keV |
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Beamline energy resolution |
deltaE/E = 1.4 x 10-4 resp. 0.6 x 10-4 |
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Max flux on sample |
2x1013 ph/s at 6 keV (Si (111) bandpass) |
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Minimum spot size on sample |
10 x 10 um2 |
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Sample type |
preferrably conducting |
Optics |
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Primary monochromator |
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Type |
LN2 cooled Double Crystal |
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Energy range |
2.4 - 30 keV |
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Resolving power |
ΔE/E : 1.3x10-4 - 0.28x10-4
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Available reflections |
Si(111), Si(311) |
Secondary monochromator |
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Type |
Double channel-cut (+ - - +) |
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Energy range |
2.4 - 15 keV |
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Resolving power |
ΔE/E : 10-4 - 5x10-6 |
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Available reflections |
Si(333), Si(444), Si(220) |
Phase retarder |
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Type |
single stage |
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Energy range |
4 - 10 keV |
Mirror 1 |
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Shape |
Cylinder, deflecting horizontal |
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Coatings |
B4C / Palladium |
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Energy Range |
2.4-11 keV (B4C) |
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Usage |
Vertical focusing |
Mirror 2 |
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Shape |
Plane, deflecting horizontal |
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Coatings |
B4C / Palladium |
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Energy range |
2.4-11 keV (B4C) |
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Usage |
Beam deflection |
Mirror 3 |
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Shape |
Plane elliptical (mirror bender) |
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Coatings |
B4C / Palladium |
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Energy range |
2.4-11 keV (B4C) |
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Usage |
Horizontal focusing |
