Nanostructured solid-state materials: from fundamental properties to optoelectronic technologies
纳米结构固态材料:从基本特性到光电技术
基本信息
- 批准号:RGPIN-2016-05515
- 负责人:
- 金额:$ 2.04万
- 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:2020
- 资助国家:加拿大
- 起止时间:2020-01-01 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Transport of charges in solid-state materials, in particular semiconductors, is the basis of many modern-day technologies ranging from the transistor, to light emitter, and solar cells. Modifications and / or organization of the structure of these materials at the nanoscale are natural research avenues to reduce the size of devices and to continually develop innovative devices that take advantage of new phenomena, including quantum confinement effects. The elementary excitations and charge transport mechanisms are found to be fundamentally different in these nanostructures and nanostructured materials. New properties can also emerge from the assembly of nanostructures and the engineering of composite nanomaterials on a macroscopic scale. The terahertz (THz) radiation is an extremely powerful probe to study electronic transport properties in these materials. Technological advances of the last decade have helped develop performant terahertz spectroscopy systems. In particular, it is now possible to work with broadband sources and detectors (0.1 to more than 10 THz, or 0.4 to more than 40 meV) and low-noise THz spectroscopy systems, for the study of transport mechanisms at extremely high frequencies. Time-domain THz spectroscopy techniques can be applied to a large variety of solid-state materials from metals, to semiconductors and insulators. Dynamical phenomena and non-equilibrium properties can also be studied through the use of an additional optical pulsed beam and time-resolved measurements on femtosecond to nanosecond time scales. These state-of-the-art terahertz techniques enable fundamental and applied studies of great interest in the fields of nanotechnologies, materials sciences, electronics and optoelectronics.
Considering the spectacular progress in nanofabrication techniques and recent advances in terahertz technologies, longer-term goal of my research program is firstly to push further our fundamental understanding of the electronic properties that can arise from structuring materials at the nanoscale, and assembling nanostructures or engineering nanocomposite materials on a macroscopic scale, and secondly to find ways to exploit these properties for the development of novel devices.
Semiconductor nanostructures present great interest for nanoelectronic and optoelectronic applications. In this research program, we will contribute to a deeper understanding of the impact of various experimental parameters on equilibrium and non-equilibrium transport mechanisms in nanostructures such as nanowires and mesoscopic porous and polycrystalline structures. A large variety of new exotic materials provokes a great excitement in the community of advanced materials, recently. Emergent properties of these materials can now be probed using time-domain THz spectroscopy tools.
固态材料,特别是半导体中的电荷传输是许多现代技术的基础,从晶体管到发光体和太阳能电池。在纳米尺度上对这些材料的结构进行修改和/或组织是减小器件尺寸和不断开发利用新现象(包括量子限制效应)的创新器件的自然研究途径。在这些纳米结构和纳米结构材料中,基元激发和电荷输运机制被发现是根本不同的。在宏观尺度上,纳米结构的组装和复合纳米材料的工程也可以产生新的特性。太赫兹(THz)辐射是研究这些材料中电子输运性质的一个非常有力的探针。过去十年的技术进步帮助开发了高性能的太赫兹光谱系统。特别是,现在可以使用宽带源和探测器(0.1至超过10 THz,或0.4至超过40 meV)和低噪声THz光谱系统,用于研究极高频率下的传输机制。时域太赫兹光谱技术可以应用于从金属到半导体和绝缘体的各种固态材料。动力学现象和非平衡性质也可以通过使用额外的光脉冲束和时间分辨测量飞秒到纳秒的时间尺度进行研究。这些最先进的太赫兹技术使纳米技术、材料科学、电子学和光电子学领域的基础和应用研究成为可能。
考虑到纳米纤维技术的巨大进步和太赫兹技术的最新进展,我的研究计划的长期目标是首先进一步推动我们对纳米结构材料的电子特性的基本理解,并在宏观尺度上组装纳米结构或工程纳米复合材料,其次是找到利用这些特性开发新器件的方法。
半导体纳米结构在纳米电子学和光电子学应用中表现出极大的兴趣。在这项研究计划中,我们将有助于更深入地了解各种实验参数对纳米结构(如纳米线和介观多孔和多晶结构)中平衡和非平衡传输机制的影响。近年来,各种各样的新材料在先进材料界引起了极大的兴趣。现在可以使用时域太赫兹光谱工具来探测这些材料的涌现特性。
项目成果
期刊论文数量(0)
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会议论文数量(0)
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Morris, Denis其他文献
Morris, Denis的其他文献
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{{ truncateString('Morris, Denis', 18)}}的其他基金
Materials engineering and quantum technologies - from visible single photon sources to terahertz devices
材料工程和量子技术 - 从可见单光子源到太赫兹设备
- 批准号:
RGPIN-2022-04857 - 财政年份:2022
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Nanostructured solid-state materials: from fundamental properties to optoelectronic technologies
纳米结构固态材料:从基本特性到光电技术
- 批准号:
RGPIN-2016-05515 - 财政年份:2021
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Nanostructured solid-state materials: from fundamental properties to optoelectronic technologies
纳米结构固态材料:从基本特性到光电技术
- 批准号:
RGPIN-2016-05515 - 财政年份:2019
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Nanostructured solid-state materials: from fundamental properties to optoelectronic technologies
纳米结构固态材料:从基本特性到光电技术
- 批准号:
RGPIN-2016-05515 - 财政年份:2018
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Nanostructured solid-state materials: from fundamental properties to optoelectronic technologies
纳米结构固态材料:从基本特性到光电技术
- 批准号:
RGPIN-2016-05515 - 财政年份:2017
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Optical characterization of heat-generating yarns in textile fabrics
纺织面料中发热纱线的光学表征
- 批准号:
514271-2017 - 财政年份:2017
- 资助金额:
$ 2.04万 - 项目类别:
Engage Grants Program
Nanostructured solid-state materials: from fundamental properties to optoelectronic technologies
纳米结构固态材料:从基本特性到光电技术
- 批准号:
RGPIN-2016-05515 - 财政年份:2016
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Optical and electronic properties of nanowires and quantum dots structures/Propriétés optique et électroniques de nanofils et structures à boîtes quantiques
纳米线和量子点结构的光学和电子特性/Propriétés optique et électroniques de nanofils et Structures à boétes quantiques
- 批准号:
155452-2011 - 财政年份:2015
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Optical and electronic properties of nanowires and quantum dots structures/Propriétés optique et électroniques de nanofils et structures à boîtes quantiques
纳米线和量子点结构的光学和电子特性/Propriétés optique et électroniques de nanofils et Structures à boétes quantiques
- 批准号:
155452-2011 - 财政年份:2014
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
High-performance photoswitches for streak cameras / Photocommutateurs de haute-performance pour caméras à balayage de fente
用于条纹相机的高性能光电开关 / Photocommutateurs de haute-performance pour caméras à balayage de fente
- 批准号:
476334-2014 - 财政年份:2014
- 资助金额:
$ 2.04万 - 项目类别:
Engage Grants Program
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