Novel Thermal Transport Phenomena in Quantum Materials

量子材料中的新型热传输现象

基本信息

  • 批准号:
    2317618
  • 负责人:
  • 金额:
    $ 48.37万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2023
  • 资助国家:
    美国
  • 起止时间:
    2023-12-01 至 2026-11-30
  • 项目状态:
    未结题

项目摘要

Non-technical Abstract: Electrons carry not only electricity but also energy. This property of electrons is a powerful probe for quantum materials. Moving the electrons with heat generates electrical voltages or reveals thermal conductions in the solids. These mobile electrons may change the moving directions under a magnetic field, leading to transverse electrical voltages and thermal conductions. These novel thermal transport properties are essential to detect and probe the ground state of strongly correlated quantum materials. The research brings the potential to open the door to studying the interplay between strong-correlation effects and topology in the search for new quantum phases, novel topological phases, and new multi-functionalities for future electronics. The project also provides opportunities to train undergraduate and graduate students in the science and technology of this quantum world. By involving undergraduates in research, creating opportunities to promote the integration of women and minorities in careers in science and engineering, bringing local school students to laboratories, and communicating research to the broader public, the team brings the general public the advancements in strongly correlated materials and develops excitement, awareness, and interest in the field of quantum science and condensed matter physics. Technical Abstract: The research project aims to investigate strongly correlated materials using novel thermal transport properties. Bridging the research fields of strongly correlated materials and topological quantum materials, the research team will use the thermoelectric effect and thermal Hall effect to reveal the physical origin of recently observed novel phenomena of strongly correlated materials: (1) quantum oscillations in Kondo insulators; (2) large thermal Hall effects in undoped and doped Mott insulators; (3) exotic thermal transport in quantum spin liquid; and (4) flat-bland phenomena of Kagome metals. These directions are exciting new developments in long-standing puzzles in condensed matter physics. They share the same debate about the role of the charge-neutral quasiparticles in the strongly interacted states: what carries these interesting phenomena: magnon, phonon, Bogoliubov quasiparticles, or even Majorana excitations. The research tasks will answer these questions: (1) What is the nature of the magnetic-field-driven insulator-metal-transition in Kondo insulators? (2) What causes strong Hall signals of the heat current in Mott insulating undoped cuprates? (3) Are the fundamental excitations fermionic or bosonic in Kagome quantum spin liquid? (4) What are the experimental signatures of the flat band in Kagome metals? Answers to these questions will eventually provide the big picture of the electronic and magnetic ground states of strongly correlated materials.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:电子不仅携带电,而且携带能量。电子的这种性质是量子材料的有力探针。电子随热移动会产生电压,或揭示固体中的热传导。这些移动的电子在磁场下可以改变运动方向,导致横向电压和热传导。 这些新的热输运性质对于探测和探测强关联量子材料的基态是必不可少的。这项研究有可能为研究强相关效应和拓扑结构之间的相互作用打开大门,以寻找新的量子相,新的拓扑相和未来电子学的新的多功能性。该项目还提供了机会,培养本科生和研究生在这个量子世界的科学和技术。通过让本科生参与研究,创造机会促进妇女和少数民族在科学和工程职业中的融合,将当地学生带到实验室,并向更广泛的公众传播研究成果,该团队为公众带来了强相关材料的进步,并发展了量子科学和凝聚态物理领域的兴奋,意识和兴趣。技术摘要:该研究项目旨在研究使用新型热传输特性的强相关材料。作为强关联材料和拓扑量子材料研究领域的桥梁,研究团队将利用热电效应和热霍尔效应揭示最近观察到的强关联材料新现象的物理起源:(1)Kondo绝缘体中的量子振荡;(2)未掺杂和掺杂Mott绝缘体中的大热霍尔效应;(3)量子自旋液体中的奇异热输运;(4)戈薇金属的平淡现象。这些方向是凝聚态物理学中长期存在的难题的令人兴奋的新发展。关于电荷中性准粒子在强相互作用态中的作用,他们有着相同的争论:是什么携带了这些有趣的现象:磁振子、声子、博戈留波夫准粒子,甚至马约拉纳激发。本课题的研究任务是回答以下问题:(1)近藤绝缘体中磁场驱动的绝缘体-金属转变的本质是什么?(2)是什么原因导致莫特绝缘未掺杂的铜氧化物的热流的强霍尔信号?(3)Kagome量子自旋液体中的基本激发是费米子还是玻色子?(4)可果美金属中平带的实验特征是什么?这些问题的答案将最终提供强关联材料的电子和磁基态的全貌。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(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Quantum oscillations evidence for topological bands in kagome metal ScV 6 Sn 6
Kagome 金属 ScV 6 Sn 6 拓扑带的量子振荡证据
  • DOI:
    10.1088/1361-648x/ad2803
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Zheng, Guoxin;Zhu, Yuan;Mozaffari, Shirin;Mao, Ning;Chen, Kuan-Wen;Jenkins, Kaila;Zhang, Dechen;Chan, Aaron;Arachchige, Hasitha W. Suriya;Madhogaria, Richa P.
  • 通讯作者:
    Madhogaria, Richa P.
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Lu Li其他文献

Observation of an Even-Odd Asymmetric Transport in High Landau Levels
高朗道水平中奇偶不对称输运的观测
  • DOI:
    10.1088/0256-307x/34/3/037301
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    3.5
  • 作者:
    Liu Guang-Tong;Zhu Yu-Ying;Wang Qin;Pang Yuan;Fan Jie;Jing Xiu-Nian;Ji Zhong-Qing;Yang Chang-Li;Lu Li;Du Rui-Rui;Pfeiffer L. N.;West K. W.
  • 通讯作者:
    West K. W.
Dual pH/reduction-responsive hybrid polymeric micelles for targeted chemo-photothermal combination therapy
用于靶向化学光热联合治疗的双 pH/还原响应杂化聚合物胶束
  • DOI:
    10.1016/j.actbio.2018.05.026
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    9.7
  • 作者:
    Zhang Linhua;Qin Yu;Zhang Zhiming;Fan Fan;Huang Chenlu;Lu Li;Wang Hai;Jin Xu;Zhao Hanxue;Kong Deling;Wang Chun;Sun Hongfan;Leng Xigang;Zhu Dunwan
  • 通讯作者:
    Zhu Dunwan
Oncogenic lncRNA LINC00973 promotes warburg effect by enhancing LDHA enzyme activity.
致癌 lncRNA LINC00973 通过增强 LDHA 酶活性来促进 Warburg 效应。
  • DOI:
    10.1016/j.scib.2021.01.001
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    18.9
  • 作者:
    Huili Wang;Kequan Lin;Lin Zhu;Shaojun Zhang;Le Li;Yilie Liao;Baichao Zhang;Ming Yang;Xinde Liu;Lu Li;Shasha Li;Liuqing Yang;Haiyan Wang;Qianyu Wang;Haitao Li;Suneng Fu;Xiaorong Zhang;Peng Jiang;Qiangfeng Cliff Zhang;Jing Cheng;Dong Wang
  • 通讯作者:
    Dong Wang
The Electronic, Magnetic, and Vibrational Properties of Ce3Co29Ge4B10
Ce3Co29Ge4B10 的电子、磁性和振动特性
  • DOI:
    10.1007/978-3-662-48768-6_120
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Liu Zhao;Xiao;Jinrong Huo;Hai;Jianliang Xie;Lu Li;Y. Liu
  • 通讯作者:
    Y. Liu
Simultaneous determination of gemcitabine prodrug, gemcitabine and its major metabolite 2 ', 2 '-difluorodeoxyuridine in rat plasma by UFLC-MS/MS

Lu Li的其他文献

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{{ truncateString('Lu Li', 18)}}的其他基金

Novel Thermal Transport Phenomena in Quantum Materials
量子材料中的新型热传输现象
  • 批准号:
    2004288
  • 财政年份:
    2020
  • 资助金额:
    $ 48.37万
  • 项目类别:
    Standard Grant
Search for Novel Electronic State in Strongly Correlated Kondo Insulators
在强相关近藤绝缘体中寻找新的电子态
  • 批准号:
    1707620
  • 财政年份:
    2017
  • 资助金额:
    $ 48.37万
  • 项目类别:
    Standard Grant
MRI: Acquisition of Cryogen-Free High Magnetic Field Physical Property Measurement System
MRI:获得无冷冻剂强磁场物理性能测量系统
  • 批准号:
    1428226
  • 财政年份:
    2014
  • 资助金额:
    $ 48.37万
  • 项目类别:
    Standard Grant
Nanofabrication, Characterization, and Analysis of Topological Insulator Nanostructures
拓扑绝缘体纳米结构的纳米制造、表征和分析
  • 批准号:
    1307744
  • 财政年份:
    2013
  • 资助金额:
    $ 48.37万
  • 项目类别:
    Standard Grant

相似国自然基金

Thermal-lag自由活塞斯特林发动机启动与可持续运行机理研究
  • 批准号:
    51806227
  • 批准年份:
    2018
  • 资助金额:
    24.0 万元
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    青年科学基金项目

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