Small- and near wide-angle X-ray scattering (SAXS/NWAXS) measurements were performed using a point-focusing SAXS instrument (originally Molecular Metrology, recently considerably upgraded by SAXSLAB, now Xenocs) at room temperature. Rigaku Micromax-003, a low-power micro source equipped with X-ray optics working at U = 50 kV and I = 0.6 mA generated a CuKα beam with a wavelength of λ = 0.154 nm. Scattering was detected by the 2D detector Pilatus3 300K (Dectris) at 0.449 m and 0.0573 m from the sample. Merging data from these two distances allowed reaching reliable q interval from 0.13 to 35 nm-1, where q is the magnitude of the scattering vector q = 4π sin(θ)/λ and θ is half of the scattering angle. Samples were sealed in 1.5 mm-diameter quartz capillaries (the scattering of an empty capillary was not subtracted from the scattering curves of samples). Sample to detector distance was calibrated using silver behenate or Si standard. Data were azimuthally averaged and adjusted to an absolute scale using a glassy carbon standard.
Pilatus3 300k
Manufactured by Dectris
The Pilatus3 300K is a high-performance X-ray detector designed for a wide range of applications in scientific research and industrial analysis. It features a large active area of 83.8 x 70.0 mm, a pixel size of 172 x 172 μm, and a dynamic range of up to 20 bits. The Pilatus3 300K is capable of high-speed image acquisition and delivers exceptional signal-to-noise ratio and spatial resolution for advanced X-ray analysis techniques.
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2 protocols using pilatus3 300k
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Small- and Near-Wide-Angle X-Ray Scattering
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Small-Angle X-Ray Scattering of Samples
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Samples were characterized by small-angle X-ray scattering (SAXS) and near wide-angle X-ray scattering (NWAXS) at room temperature. Measurements were performed by means of the point focusing SAXS instrument (originally Molecular Metrology, recently considerably upgraded by SAXSLAB, now Xenocs). The CuKα beam with the wavelength of λ = 0.154 nm was generated by Rigaku Micromax-003, which is a low-power microsource equipped with X-ray optics working at U = 50 kV and I = 0.6 mA. Scattering was detected by the 2D detector Pilatus3 300K (Dectris) at two different distances of 0.541 and 0.052 m from the sample. After merging data from these positions, the reliable q interval from 0.13 to 35 nm−1, where q is the magnitude of the scattering vector q = 4π sin(θ)/λ and θ is half of the scattering angle, was reached. Measurements were performed in sealed capillaries of either boron glass or quartz with a diameter of 1.5 or 2 mm. Sample to detector distance was calibrated by means of a silver behenate or silicon standard. Data were azimuthally averaged and adjusted to an absolute scale using glassy carbon standard. The scattering curve of an empty capillary was subtracted from the scattering curves of samples.
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