Jong Won Shin, Dae-Woong Kim, Dongwon Kim, Dohyun Moon
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BL2D-SMC: The versatile chemical crystallography beamline at PLS-II, Korea
BL2D-SMC is a bending magnet beamline dedicated to chemical crystallography at the 3 GeV PLS-II in Korea. The beamline features tunable energy in the range from 8.3 to 21.8 keV to support single wavelength experiments. At the standard supporting energy of 17.7142 keV (0.70000 Å), the monochromatic X-ray beam is focused to a full width at a half-maximum of 100 μm (horizontal) × 85 μm (vertical) at the sample position, with a measured photon flux of 6.2 × 1011 photons/s. The experimental hutch is equipped with a Rayonix MX225HS detector and a PH6 (Crystal Logics Inc.) goniometer, which can be configured for both single-axis and multi-axis setups. This beamline is particularly suitable for studying weakly diffracting crystalline materials such as micrometer-sized crystals, highly porous metal–organic frameworks, and disordered coordination polymers. To date, support for various experiments has been extended, encompassing structural studies involving variable temperature crystallography, investigations into photo-excitation phenomena, and research on gas sorption in porous materials. This article offers detailed descriptions of the current beamline design, technical information for users, and highlights recent scientific findings.
期刊介绍：
The Bulletin of the Korean Chemical Society is an official research journal of the Korean Chemical Society. It was founded in 1980 and reaches out to the chemical community worldwide. It is strictly peer-reviewed and welcomes Accounts, Communications, Articles, and Notes written in English. The scope of the journal covers all major areas of chemistry: analytical chemistry, electrochemistry, industrial chemistry, inorganic chemistry, life-science chemistry, macromolecular chemistry, organic synthesis, non-synthetic organic chemistry, physical chemistry, and materials chemistry.
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