Novel ground states and excitations in quantum spin liquids

量子自旋液体中的新基态和激发

• 批准号: 2888447
• 金额: --
• 依托单位: University of Glasgow
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2023
• 资助国家: 英国
• 起止时间: 2023 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2888447
• 关键词: Novel; ground; states; excitations; quantum

"Summary:Quantum materials have the powerful ability to both capture the public's imagination and drive advancement of technologies critical to society. The 40 year search for Quantum SpinLiquids (QSLs) encapsulates this statement; originally predicted to underpin high temperature superconductivity, this elusive search has serendipitously led to some of the most groundbreaking discoveries in fundamental condensed matter physics. Up to now, the search for QSLs is limited by the lack of model materials to study, the difficulty in making them and the challenges posed by characterising them. This project will build on our recent work addressing these bottlenecks by synthesising high quality samples of a recently discovered QSL model system and characterising its properties primarily with state-of-the-art neutron scattering techniques.Aims:- Synthesise high quality single crystals of quantum spin liquid candidates and explore routes to electronic doping.- Characterise the crystallographic and magnetic order and excitations of QSL single crystalsusing neutron diffraction, inelastic neutron scattering and electron microscopy.- Provide high quality training in inelastic neutron scattering and analysis with linear spinwave theory.- Provide a broad training in synthesis and materials characterisation techniques at theforefront of materials science.Methodology:This project is based on the synthesis and physical characterization of a recently discovered family of highly frustrated spin 1/2 quantum kagome magnets. It will involve high quality synthesis and single crystal growth, crystallography and neutron scattering studies which will be used to solve the magnetic structures, excitations and ground states of this material family. The project will involve extensive use of UKRI funded facilities: the ISIS Neutron and Muon Source, Diamond Light Source and the neutron source of the Institut Laue-Langevin. The project is co-funded between the University of Glasgow and the Institut Laue-Langevin, with time split roughly 50:50 between both institutions. "

"Summary:Quantum materials have the powerful ability to both capture the public's imagination and drive advancement of technologies critical to society. The 40 year search for Quantum SpinLiquids (QSLs) encapsulates this statement; originally predicted to underpin high temperature superconductivity, this elusive search has serendipitously led to some of the most groundbreaking discoveries in fundamental condensed matter physics. Up to now, the search for QSLs is limited由于缺乏研究模型材料，使它们的难度以及该项目所带来的挑战将基于我们最近的工作，通过合成最近发现的QSL模型系统的高质量样本来解决这些瓶颈，并将其特征在于其最新的中性散射技术。表征QSL单晶中性衍射，非弹性中子散射和电子显微镜的晶体学和磁顺序以及激发。-在线性旋转理论中提供高质量的中子散射和分析。 1/2量子kagome磁铁。它将涉及高质量的合成和单晶生长，晶体学和中子散射研究，这些研究将用于解决该材料家族的磁性结构，激发和基态。该项目将涉及乌克里资助的设施的广泛使用：ISIS中子和MUON来源，Diamond Light Source以及Laue-Langevin研究所的中子来源。该项目是在格拉斯哥大学和劳埃·朗格文学院之间共同资助的，两家机构之间的时间大约为50:50。 “