Understanding quantum emergent phenomena in Shastry-Sutherland model systems
了解 Shastry-Sutherland 模型系统中的量子涌现现象
基本信息
- 批准号:2327555
- 负责人:
- 金额:$ 56.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2024
- 资助国家:美国
- 起止时间:2024-04-01 至 2027-03-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Non-Technical Abstract:Magnetic frustrated systems offer a captivating exploration of physics, where diverse forces prevent the formation of a simple magnetically ordered pattern, leading to various quantum states, from exotic spin patterns to superconductors. The Shastry-Sutherland Lattice (SSL) model plays a crucial role in interpreting quantum magnetism, offering insights into transitions under different conditions, such as pressure and magnetic field, resulting in the formation of novel magnetic patterns. Understanding these phenomena isn't just about uncovering the mysteries of the universe; it's about shaping the future of technology, as in the realm of spintronics, where these insights can drive innovative advancements. For instance, leveraging the principles of spintronics can enable the development of more efficient electronic devices. This could mean faster and more energy-efficient computers, as well as improved communication devices, significantly enhancing the way we connect and process information. Inspired by SSL model breakthroughs, this proposal suggests exploring a new family of similar compounds to deepen our understanding and propel technological progress. The project focuses on practical research, including synthesizing materials, conducting experiments to measure thermodynamic properties, and employing advanced scattering techniques for further insights. Beyond the scientific aspects, the project places emphasis on education, involving graduate and undergraduate students and fostering diversity in science. Collaboration between different institutions is actively encouraged, promoting participation in educational programs and internships to contribute to the broader scientific community.Technical Abstract: The initial realization of the Shastry-Sutherland Lattice (SSL) model in SrCu2(BO3)2 (SCBO) unveils a complex phase diagram, particularly in the study of magnetization plateaus under high magnetic fields and the potential hosting of topological triplons. However, understanding these emergent states in SCBO poses challenges due to technical experimental obstacles, such as the need for high magnetic fields and high pressures at low temperatures. In response, this research focuses on a new rare-earth-based SSL model family of compounds, allowing for more accessible investigations of field- and pressure-induced phenomena. The research plan includes synthesis, in-house thermodynamics measurements, and advanced spectroscopy experiments in collaboration with national user facilities. Ongoing collaboration with expert theorists provides crucial analysis and interpretation of the experimental results.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
非技术摘要:磁挫折系统提供了一个迷人的物理探索,其中不同的力量阻止形成一个简单的磁有序模式,导致各种量子态,从奇异的自旋模式到超导体。Shastry-Sutherland晶格(SSL)模型在解释量子磁性方面起着至关重要的作用,它提供了对不同条件下(如压力和磁场)转变的见解,从而形成了新的磁性模式。理解这些现象不仅仅是揭开宇宙的奥秘;它是关于塑造技术的未来,就像在自旋电子学领域一样,这些见解可以推动创新的进步。例如,利用自旋电子学的原理可以开发出更高效的电子设备。这可能意味着更快、更节能的计算机,以及改进的通信设备,大大增强了我们连接和处理信息的方式。受SSL模型突破的启发,该提案建议探索一个新的类似化合物家族,以加深我们的理解并推动技术进步。该项目侧重于实际研究,包括合成材料,进行实验以测量热力学性质,并采用先进的散射技术以获得进一步的见解。除了科学方面,该项目还强调教育,让研究生和本科生参与,促进科学的多样性。积极鼓励不同机构之间的合作,促进参与教育计划和实习,为更广泛的科学界做出贡献。技术摘要:在SrCu 2(BO 3)2(SCBO)的Shastry-Sutherland晶格(SSL)模型的初步实现揭示了一个复杂的相图,特别是在高磁场下的磁化平台和拓扑三体的潜在托管的研究。然而,由于技术实验障碍,如需要在低温下的高磁场和高压,理解SCBO中的这些紧急状态带来了挑战。作为回应,这项研究的重点是一个新的稀土为基础的SSL模型系列的化合物,允许更容易的调查领域和压力引起的现象。该研究计划包括合成,内部热力学测量,以及与国家用户设施合作的先进光谱实验。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Sara Haravifard其他文献
Synthesis and characterization of the novel breathing pyrochlore compound Ba3Tm2Zn5O11
新型呼吸性烧绿石化合物Ba3Tm2Zn5O11的合成与表征
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Lalit Yadav;R. Bag;Ramesh Dhakal;Stephen M. Winter;J. Rau;Alexander I. Kolesnikov;Andrey A Podlesnyak;Craig M. Brown;N. Butch;David Graf;M. J. Gingras;Sara Haravifard - 通讯作者:
Sara Haravifard
Experimental evidence of crystal-field, Zeeman splitting, and spin-phonon excitations in the quantum supersolid Na2BaCo(PO4)2
量子超固体 Na2BaCo(PO4)2 中晶体场、塞曼分裂和自旋声子激发的实验证据
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Ghulam Hussain;Jianbo Zhang;Man Zhang;Lalit Yadav;Yang Ding;Sara Haravifard;Changcheng Zheng;Xiawa Wang - 通讯作者:
Xiawa Wang
High-throughput discovery of perturbation-induced topological magnons
扰动诱导拓扑磁振子的高通量发现
- DOI:
10.1038/s41524-025-01706-2 - 发表时间:
2025-07-05 - 期刊:
- 影响因子:11.900
- 作者:
Mohammed J. Karaki;Ahmed E. Fahmy;Archibald J. Williams;Sara Haravifard;Joshua E. Goldberger;Yuan-Ming Lu - 通讯作者:
Yuan-Ming Lu
Sara Haravifard的其他文献
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Collaborative Research: Frustration, glassiness and spin liquids: from dirty to pristine materials
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- 批准号:
2218058 - 财政年份:2022
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