Collaborative Research: DMREF: Deep learning guided twistronics for self-assembled quantum optoelectronics
合作研究:DMREF:用于自组装量子光电子学的深度学习引导双电子学
基本信息
- 批准号:2323469
- 负责人:
- 金额:$ 44万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-10-01 至 2027-09-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Non-technical Description: Atomically thin two-dimensional (2D) materials can host intriguing quantum properties not found in their bulk counterparts. Furthermore, stacking 2D materials with control over the twist angles between adjacent layers provides a versatile way to obtain novel quantum materials with unprecedented properties. Such “twistronic” materials can have applications in electronics, photonics and quantum information science and technologies. However, with the new degrees of freedom, the materials design parameter space becomes exceedingly large, posing a significant challenge to predictably design and precisely make materials to enable such unique properties. In this DMREF project, the collaborative team from University of Pennsylvania, University of Wisconsin-Madison, and Northeastern University will use computer aided deep learning models and theoretical tools to predict designer twistronic materials prepared in specific states and guide the unique self-assembled crystal growth to engineer twist angles in different 2D materials. The team will perform property measurements to characterize these systems and also extend the ideas to quantum photonics to assemble on-chip devices. Results from synthesis, characterization and device measurements will be fed back to the theoretical models for establishing a self-consistent and tightly integrated research for further discovery of new designer twistronic materials with precisely controlled responses that can enable a new paradigm for quantum materials research with applications in computing, communications, imaging and sensing. Interdisciplinary research activities will be integrated with educational and outreach initiatives by involving students at all levels from diverse backgrounds in the collaborative research project with emphasis on quantum materials and photonics. Technical Description: Modern quantum materials are typically designed by engineering symmetries combined with strong spin-orbit coupling at the atomic and lattice length scales. In two-dimensional (2D) materials with chiral symmetry complemented by many-body interactions such as interlayer coupling, controlling the interlayer twist angle offers a promising strategy to achieve novel quantum properties such as flat bands, topological phases, and large nonlinear optical responses. However, two major challenges impede the progress in “twistronic” materials: 1) the dramatic increase in the degrees of freedom of the systems makes it prohibitively difficult to predict the material compositions, crystal phases and interlayer twists needed to achieve a particular quantum phase; and 2) the current material fabrication method consisting of exfoliating and reassembling 2D material layers with manual control over the interlayer twist angles is a laborious process with low yields. In this DMREF project, a highly interdisciplinary team will break the fundamental limitation of designing twistronic materials via deep learning-based symmetry and topological engineering of materials and metamaterials. Starting from a quantum paradigm, the atomic scale symmetry and topology in 2D materials will be optimized for targeted chiral responses. Guided by theory, multilayer twisted 2D materials will be synthesized with rational control over interlayer twist angles, compositions, and crystal phases to realize novel and predictable quantum properties. New knowledge will be generated to enable the rational design of quantum twistronic materials with highly predictive power to demonstrate novel chiral optoelectronic responses, which will also be extended to quantum photonic systems. These advances can enable the next generation of electronics and optical devices such as on-chip coherent chiral emitters, entangled photon emission and detection with precisely controlled responses. The interdisciplinary project will provide an excellent educational opportunity for training graduate, undergraduate and K-12 students on the important concepts of geometry, crystal structures and quantum physics with an emphasis on increasing the participation of underrepresented groups. Funding for the award is from the Mathematical and Physical Sciences (MPS) Divisions of Materials Research (DMR) and Chemistry (CHE) through the Designing Materials to Revolutionize and Engineer our Future (DMREF) program.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.
非技术描述:原子薄的二维(2D)材料可以拥有在其大块对应物中没有的有趣的量子特性。此外,通过控制相邻层之间的扭转角来堆叠2D材料提供了一种获得具有前所未有特性的新型量子材料的通用方法。这种“双电子”材料可以应用于电子学、光子学和量子信息科学和技术。然而,随着新的自由度,材料设计参数空间变得非常大,对可预测地设计和精确地制造材料以实现这种独特的性能提出了重大挑战。在这个DMREF项目中,来自宾夕法尼亚大学,威斯康星大学麦迪逊分校和东北大学的合作团队将使用计算机辅助深度学习模型和理论工具来预测在特定状态下制备的设计师双电子材料,并指导独特的自组装晶体生长以设计不同2D材料的扭曲角。该团队将进行属性测量来表征这些系统,并将这些想法扩展到量子光子学,以组装芯片上的器件。合成、表征和器件测量的结果将反馈到理论模型中,以建立自洽和紧密集成的研究,进一步发现具有精确控制响应的新型设计师双电子材料,从而为量子材料研究提供新的范式,并应用于计算、通信、成像和传感。跨学科研究活动将与教育和推广活动相结合,让来自不同背景的各级学生参与合作研究项目,重点是量子材料和光子学。技术说明:现代量子材料通常通过工程对称性结合原子和晶格长度尺度上的强自旋轨道耦合来设计。在具有手征对称性的二维(2D)材料中,通过多体相互作用(如层间耦合),控制层间扭转角提供了一种有前途的策略,以实现新的量子特性,如平带,拓扑相位和大的非线性光学响应。然而,两个主要挑战阻碍了“双电子”材料的进展:1)系统自由度的急剧增加使得难以预测实现特定量子相所需的材料组成、晶相和层间扭曲;和2)目前的材料制造方法包括剥离和重新组装2D材料层,Angels是一种费力的方法,产率低。在这个DMREF项目中,一个高度跨学科的团队将通过基于深度学习的对称性和材料和超材料的拓扑工程来打破设计双电子材料的根本限制。从量子范例开始,二维材料中的原子尺度对称性和拓扑结构将针对目标手性响应进行优化。在理论指导下,通过合理控制层间扭曲角、成分和晶相来合成多层扭曲二维材料,以实现新颖和可预测的量子特性。将产生新的知识,使量子双电子材料的合理设计具有高度的预测能力,以证明新的手性光电响应,这也将扩展到量子光子系统。这些进展可以使下一代电子和光学设备,如芯片上相干手性发射器,纠缠光子发射和检测具有精确控制的响应。该跨学科项目将为培训研究生,本科生和K-12学生提供一个极好的教育机会,重点是增加代表性不足的群体的参与。该奖项的资金来自数学和物理科学(MPS)材料研究(DMR)和化学(CHE)部门通过设计材料革命和工程师我们的未来(DMREF)计划。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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Qimin Yan其他文献
Dataset of tensorial optical and transport properties of materials from the Wannier function method
基于 Wannier 函数方法的材料张量光学和输运性质的数据集
- DOI:
10.1038/s41597-025-05396-9 - 发表时间:
2025-07-01 - 期刊:
- 影响因子:6.900
- 作者:
Zhenyao Fang;Ting-Wei Hsu;Qimin Yan - 通讯作者:
Qimin Yan
First-principles calculations of defects and electron–phonon interactions: Seminal contributions of Audrius Alkauskas to the understanding of recombination processes
缺陷和电子声子相互作用的第一性原理计算:Audrius Alkauskas 对理解复合过程的开创性贡献
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:3.2
- 作者:
Xie Zhang;M. Turiansky;Lukas Razinkovas;M. Maciaszek;P. Broqvist;Qimin Yan;J. L. Lyons;C. Dreyer;D. Wickramaratne;Á. Gali;Alfredo Pasquarello;C. G. van de Walle - 通讯作者:
C. G. van de Walle
Qimin Yan的其他文献
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{{ truncateString('Qimin Yan', 18)}}的其他基金
CAREER: Quantum defects in two-dimensional materials by local-symmetry-guided data-driven design
职业:通过局域对称引导的数据驱动设计研究二维材料中的量子缺陷
- 批准号:
2314050 - 财政年份:2023
- 资助金额:
$ 44万 - 项目类别:
Continuing Grant
CAREER: Quantum defects in two-dimensional materials by local-symmetry-guided data-driven design
职业:通过局域对称引导的数据驱动设计研究二维材料中的量子缺陷
- 批准号:
2144936 - 财政年份:2022
- 资助金额:
$ 44万 - 项目类别:
Continuing Grant
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Cell Research
- 批准号:31224802
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- 批准号:30824808
- 批准年份:2008
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- 批准号:10774081
- 批准年份:2007
- 资助金额:45.0 万元
- 项目类别:面上项目
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