Muon Studies of Quantum Materials and Novel States of Matter
量子材料和新物态的 μ 子研究
基本信息
- 批准号:RGPIN-2016-04508
- 负责人:
- 金额:$ 2.91万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2018
- 资助国家:加拿大
- 起止时间:2018-01-01 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Quantum materials comprise a wide range of scientifically fascinating and technologically important phenomena, including high-temperature superconductivity, non-Fermi liquid behaviour, colossal magnetoresistance, and countless forms of magnetism and ferroelectricity. These unusual behaviours seemingly arise from quantum fluctuations extending beyond a phase transition that has been driven to absolute zero temperature (T = 0) by a non-thermal control parameter (applied pressure, applied magnetic field or chemical manipulation of electron density). Understanding so-called quantum phase transitions (QPTs) and the accompanying emergent quantum phenomena is a grand challenge and a central thrust of modern condensed matter physics.***QPTs and associated critical behaviour can be severely modified by disorder. Disorder may be inherent, intentionally introduced by changing the chemical composition, or intrinsically driven by a close competition between different ground states. In general, disorder-induced QPTs are predicted to drive correlated-electron systems to novel quantum disordered phases with rather exotic properties.***The investigation of the effects of disorder on quantum critical phenomena necessitates local-probe experimental techniques that are capable of recognizing and characterizing disorder or phase separation in the quantum critical region. The muon spin rotation/relaxation (μSR) technique is well suited in this regard to provide insight on QPTs not attainable by other methods. When implanted in a material, the positive muon (μ+) serves as a local probe of internal magnetic field, allowing measurements of magnetic and superconducting properties. Moreover, μSR has a unique sensitivity to volume fractions of magnetic regions. ***I plan to concentrate my research on μSR investigations of quantum materials to provide a local probe's perspective on non-thermal controlled quantum criticality. My approach will be to exploit new μSR experimental capabilities in Canada, utilize facilities abroad and forge new research partnerships to gain fundamental insight on quantum critical phenomena in a variety of strongly-correlated electron systems (e.g., topological insulators, unconventional superconductors, novel magnetically-frustrated metals).***The proposed research initiatives aim to determine the extent to which phase separation is a ubiquitous phenomenon of magnetic QPTs and to elucidate novel states of matter. The knowledge gained will support quantum materials research and technology, which is a current strategic priority research area in Canada. My research plan provides a fertile HQP training ground for enhancing the workforce skills of trainees through exposure to state-of-the-art technologies, engagement in cutting-edge science, extensive collaborations, and opportunities to travel and disseminate research results.
量子材料包括广泛的科学迷人和技术重要的现象,包括高温超导性,非费米液体行为,巨磁阻,以及无数形式的磁性和铁电性。这些不寻常的行为似乎是由量子涨落引起的,量子涨落超出了相变,相变被非热控制参数(施加的压力,施加的磁场或电子密度的化学操纵)驱动到绝对零度(T = 0)。理解所谓的量子相变(QPT)和伴随的涌现量子现象是一个巨大的挑战,也是现代凝聚态物理学的中心目标。QPT和相关的关键行为可以严重修改的障碍。无序可能是固有的,通过改变化学成分故意引入的,或由不同基态之间的密切竞争内在驱动的。一般来说,无序诱导的QPT被预测将相关电子系统驱动到具有相当奇异性质的新型量子无序相。研究无序对量子临界现象的影响需要能够识别和表征量子临界区域中的无序或相分离的局部探测实验技术。在这方面,μ子自旋旋转/弛豫(μSR)技术非常适合于提供其他方法无法获得的QPT的见解。当植入材料中时,正μ子(μ+)作为内部磁场的局部探针,允许测量磁性和超导特性。此外,μSR对磁性区域的体积分数具有独特的敏感性。* 我计划把我的研究集中在量子材料的μSR研究上,以提供非热控量子临界性的局部探测视角。我的方法将是利用加拿大新的μSR实验能力,利用国外的设施,建立新的研究伙伴关系,以获得对各种强相关电子系统(例如,拓扑绝缘体、非常规超导体、新型磁阻金属)。拟议的研究计划旨在确定在何种程度上相分离是一个普遍存在的现象的磁性QPT和阐明新的物质状态。所获得的知识将支持量子材料研究和技术,这是加拿大目前的战略优先研究领域。我的研究计划提供了一个肥沃的HQP培训基地,通过接触最先进的技术,参与尖端科学,广泛的合作以及旅行和传播研究成果的机会,提高学员的劳动力技能。
项目成果
期刊论文数量(0)
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{{ truncateString('Sonier, Jeffrey', 18)}}的其他基金
Muon studies of quantum materials under extreme environments
极端环境下量子材料的μ介子研究
- 批准号:
RGPIN-2022-03311 - 财政年份:2022
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon Studies of Quantum Materials and Novel States of Matter
量子材料和新物态的 μ 子研究
- 批准号:
RGPIN-2016-04508 - 财政年份:2021
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon Studies of Quantum Materials and Novel States of Matter
量子材料和新物态的 μ 子研究
- 批准号:
RGPIN-2016-04508 - 财政年份:2020
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon Studies of Quantum Materials and Novel States of Matter
量子材料和新物态的 μ 子研究
- 批准号:
RGPIN-2016-04508 - 财政年份:2019
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon Studies of Quantum Materials and Novel States of Matter
量子材料和新物态的 μ 子研究
- 批准号:
RGPIN-2016-04508 - 财政年份:2017
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon Studies of Quantum Materials and Novel States of Matter
量子材料和新物态的 μ 子研究
- 批准号:
RGPIN-2016-04508 - 财政年份:2016
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon spin rotation/relaxation investigations of magnetism in superconductors and coordination polymers
超导体和配位聚合物中磁性的μ子自旋旋转/弛豫研究
- 批准号:
238307-2011 - 财政年份:2015
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon spin rotation/relaxation investigations of magnetism in superconductors and coordination polymers
超导体和配位聚合物中磁性的μ子自旋旋转/弛豫研究
- 批准号:
238307-2011 - 财政年份:2014
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon spin rotation/relaxation investigations of magnetism in superconductors and coordination polymers
超导体和配位聚合物中磁性的μ子自旋旋转/弛豫研究
- 批准号:
238307-2011 - 财政年份:2013
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
High field superconducting magnet for muon studies of advanced materials
用于先进材料μ子研究的高场超导磁体
- 批准号:
439862-2013 - 财政年份:2012
- 资助金额:
$ 2.91万 - 项目类别:
Research Tools and Instruments - Category 1 (<$150,000)
相似海外基金
Muon studies of quantum materials under extreme environments
极端环境下量子材料的μ介子研究
- 批准号:
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Muon Studies of Quantum Materials and Novel States of Matter
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He^3 Cryostat for Muon Spin Rotation/Relaxation Studies of Quantum Materials
用于量子材料 Mu 子自旋旋转/弛豫研究的 He^3 低温恒温器
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Muon Studies of Quantum Materials and Novel States of Matter
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- 批准号:
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- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Muon Studies of Quantum Materials and Novel States of Matter
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- 批准号:
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- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
He-3 Cryostat for Muon Spin Rotation/Relaxation Studies of Quantum Materials
用于量子材料 Mu 子自旋旋转/弛豫研究的 He-3 低温恒温器
- 批准号:
RTI-2017-00478 - 财政年份:2016
- 资助金额:
$ 2.91万 - 项目类别:
Research Tools and Instruments
Muon Studies of Quantum Materials and Novel States of Matter
量子材料和新物态的 μ 子研究
- 批准号:
RGPIN-2016-04508 - 财政年份:2016
- 资助金额:
$ 2.91万 - 项目类别:
Discovery Grants Program - Individual
Inter-american materials research: high pressure studies of quantum phase transitions by muon spin relaxation and complementary methods
美洲材料研究:通过μ子自旋弛豫和互补方法进行量子相变的高压研究
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