Fast scanning chip calorimetry coupled with synchrotron SAXS: an easy-to-use plug-in setup for standard SAXS beamlines

Rosenthal, M.; Umarov, A.Z.; Ungar, G.; Ivanov, D.A.

doi:10.1107/S1600577526010118

Figure 1
Experimental setup for in situ nanocalorimetry–SAXS measurements at the ID02 beamline. (a) General view of the setup, showing the nanocalorimeter, guard slits, evacuated SAXS camera, positioning stages, and nanocalorimeter controller. The air gap between the sample and the entrance window of the evacuated SAXS camera was minimized to reduce parasitic scattering from air; mica windows were used for the vacuum components because of their low SAXS background. (b) Off-axis optical microscope operated in reflected-light geometry and used for sample positioning. The microscope was first aligned with a test object positioned at a predefined offset from the X-ray beam, thereby establishing an off-axis reference position for subsequent alignment of the nanocalorimetric chip. (c) Nanocalorimetric chip mounted on its ceramic support. (d) Optical micrograph of the X-ray-transparent active region of the nanocalorimetric chip, as viewed through the microscope objective.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 33| Part 6| November 2026|

https://doi.org/10.1107/S1600577526010118

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