The instrument will serve two main purposes; a high degree of automation enables high-throughput structure determinations, and the flexible experimental station design accommodates for a wide variety of user experiments. Focus is put on mimicking existing and proven solutions for macro-molecular crystallography yet tailored to the needs of small unit-cell systems.

HighRes Exp hutch annotated

The end station will feature a precise mini-kappa micro-diffractometer (Irelec HiDiff-X), a sample changer robot (Irelec ISARA2) and a hybrid photon counting detector (DECTRIS EIGER2 X CdTe 4M) mounted on a robotic arm (Stäubli TX2-160) to allow exceptional flexibility in detector placement. This will facilitate experiments ranging from highly automated routine structure determinations, high-resolution chare-density investigations to diffuse scattering data collections. The degree of automation ensures optimal conditions to serve as the backbone for the Scandinavian Crystallography Service (SCS).

DECTRIS EIGER2 X CdTe 4M mounted on Stäubli TX2-160

Pixel array format (W x H) 2068 pixel x 2162 pixel
Detector technology Hybrid Photon Counting (HPC)
Number of modules (W x H) 2 x 4
Sensor material Cadmium Telluride (CdTe)
Sensor thickness 750 μm
Pixel size (W x H) 75 μm x 75 μm
Module size (W x H) 77.1 mm x 38.4 mm
Active area (W x H) 155.1 mm x 162.15 mm
Inter-module gap horizontal 12 pixels
vertical 38 pixels
Image bit depth 32, 16 or 8 bit
Readout bit depth 16 or 8 bit
Maximum count rate 1.7×109 photons/s/mm2
Readout time continuous readout with 100 ns dead time
Maximum frame rate (continuous) 1120 Hz (8 bit)
560 Hz (16 bit)
Point-spread function (FWHM) 1 pixel
Dimensions (W x H x D) 235.0 mm x 237.0 mm x 371.8 mm

Irelec HiDIFF-X

Ω Axis
Orientation Vertical
Sphere of confusion < 200 nm (radius) @ 100 deg/s
Max. rotation speed 720 deg/s
Static accuracy < 0.3 mdeg
Dynamic accuracy < 1 mdeg @ 10 deg/s

Kappa/Phi head
Range Kappa: 200°
Phi: 360°
Resolution Kappa: < 0.3 mdeg
Phi: < 1 mdeg

Sample centering stages (X/Z)
Speed > 5 mm/s
Range X: 80 mm / Y: 5 mm
Resolution < 5 nm
Actuators Brushless motors
Encoders Optical absolute encoders

Alignment stages (X/Y/Z)
Speed > 5 mm/s
Range X: 10 mm / Y: 110 mm / Z: 10 mm
Resolution < 5 nm
Actuators Brushless motors
Encoders Optical absolute encoders

On-axis camera
Type Double branch camera system
Instantaneous zoom between 2.4x and 35x
Zoom Continuous
Field of view 2.7 x 2.2 mm2
0.19 x 0.16 mm2
Resolution @ max. zoom 72 nm/pixel

Irelec ISARA2

Storage capacity 16 Unipucks (256 samples)
qr-code scanner Yes