Speaker
Description
The Quantum Materials Resonant Scattering Experimental Station (QMRSES) is a key component of the Hefei Advanced Light Facility (HALF) to investigate the quantum materials through the Resonant Elastic X-ray Scattering (REXS). The station assists researchers in investigating the electronic, spin, and orbital properties. The cryostat with the system is designed to provide various magnetic fields that operate at cryogenic chambers with 4.2 K and ultra-high vacuum of 2×10⁻⁸ Pa. To realize the incident angle of the specific sites and the atoms, the cryostat must incorporate experimental room-bores along the x, y, and z axes. Specifically, the x-axis requires a conical aperture with a ±35° angle, the y-axis requires a conical aperture with a ±10° angle, and the z-axis provides a cylindrical bore with a 65 mm diameter. The magnet in the cryostat presents a superconducting (SC) split type and generates a 5.0 T field to meet the QMRSES specified requirements. This paper presented the magnet device in detail, including the SC magnet design, the cryostat optimization, and the electromagnetic and force-thermal interactions through the finite element method (FEM) are provided to verify its applicability.
Key words: Quantum materials, HALF, Superconducting magnet, Conduction cooling, Finite element analysis
