05/20/2025, 10:39 AM UTC
发光的磁体：半导体磁体表面发现准粒子Glowing Magnets: Quasiparticles Discovered on the Surface of Semiconductor Magnets
➀ 研究团队在反铁磁半导体材料硫化溴铬（CrSBr）表面发现激子（准粒子），此前激子仅在材料内部被观察到；
➁ CrSBr的磁序与其范德华晶体结构结合，可通过磁场精准调控光吸收与发射，为光磁融合技术奠定基础；
➂ 跨国研究团队通过实验复现验证成果，展现了该材料在光子学与磁学交叉领域的应用潜力。
➀ Researchers discovered surface-bound excitons (quasiparticles) on the antiferromagnetic semiconductor chromium-sulfur-bromide (CrSBr), previously thought to form only within materials;
➁ The magnetic order of CrSBr enables precise control of light absorption and emission via magnetic fields, leveraging its ultrathin van der Waals crystal structure;
➂ International collaboration confirmed the reproducibility of findings, highlighting potential for technologies integrating photonics and magnetism.
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