CAREER: Coherent Understanding of Magnetic Resonance in Controlling Radiative Transport from Far to Near Field

1454698-节能很重要，特别是在常规能源储量正在快速耗尽，常规能源使用对环境的影响导致对高效可再生能源和节能材料的迫切需求的情况下。该项目的成功最终将导致能量收集系统的广泛应用，这些系统将太阳能转化为太阳能，并利用“智能”涂层材料将废热回收到电力中，通过辐射冷却。这些智能材料是纳米级的，该项目的努力是为了解决纳米级辐射传输中的根本挑战。研究生和本科生都将参与这个研究项目。将开发两个教育工具包，通过亚利桑那州立大学的各种项目，促进与当地K-12学生的外联活动，了解材料的辐射特性和传统原子力显微镜(原子力显微镜)的工作原理。这个项目的目的是激发他们对科学和工程的兴趣以及对高等教育的渴望。本项目旨在对磁共振在控制从远到近场的不同长度尺度上的辐射热传输方面有一个连贯的理解。首先，将用先进的光谱技术表征从低温到高温的毫米到微米尺度的超材料的辐射特性。其次，对超材料的新型远场辐射特性进行了数值研究，对超材料之间的近场辐射输运进行了涨落电动力学理论分析，并用先进的热学计量学在纳米尺度上进行了实验研究。第三，用多物理模拟方法研究等离子体局部加热引起的纳米尺度能量输运。利用先进的热计量技术和磁共振的起源，将在纳米尺度上测量和实验探索近场能量转移。除了促进对纳米尺度辐射传输的基本理解外，该光谱平台还能够在广泛的温度范围内系统地研究辐射特性。纳米尺度红外光谱的新计量学将在纳米尺度上提供不可察觉的光谱信息，而具有新的辐射性质的新型纳米结构将在能源、热管理和光学数据存储方面展示各种应用。这一职业计划的成功最终将导致广泛的民用、军事、航空航天和工业应用。研究成果将通过期刊出版物、会议报告和课程教学迅速传播。

1454698 - WangEnergy conservation is important especially when reserves of conventional energy sources are now fast depleting and environmental impact of conventional energy use have resulted in an urgent need for high-efficiency renewable energy sources and energy-saving materials. The success of this project will ultimately lead to wide applications of energy harvesting systems to convert solar energy and recover waste heat to power using "smart" coating materials for cooling by radiation. These smart materials are at the nano-scale sizes and efforts of this project are to address the fundamental challenges in nanoscale radiative transport. Both graduate and undergraduate students will be involved in this research project. Two educational kits will be developed to facilitate the outreach activities with local K-12 students, through various programs at Arizona State University, in understanding materials radiative properties and the working principle of conventional AFM (atomic force microscope). The aim is to spark their interests in science and engineering as well as desires for higher education.This project aims to gain a coherent understanding of magnetic resonance in controlling radiative thermal transport across different length scales from far to near field. First, Radiative properties of fabricated metamaterials will be characterized with advanced spectrometric techniques at millimeter to micrometer scale from cryogenic to high temperatures. Second, novel far-field radiative properties of metamaterials will be numerically studied, while near-field radiative transport between metamaterials will be theoretically analyzed with fluctuational electrodynamics and experimentally probed at nanometer scale by advanced thermal metrologies. Third, nanoscale energy transport due to plasmonic local heating will be investigated with multi-physics simulation. Near-field energy transfer will be measured and experimentally probed at nanometer scale with advanced thermal metrologies and the origin of magnetic resonance. Besides advancing the fundamental understanding in nanoscale radiative transfer, the spectrometric platform enables the systematic study of radiative properties over a wide temperature range. The novel metrology of nanoscale infrared spectroscopy will provide unperceived spectrometric information at nanometer scale, while the novel nanostructures with novel radiative properties will be demonstrated for various applications in energy, thermal management, and optical data storage. The success of this CAREER program will ultimately lead to a wide range of civil, military, aerospace, and industrial applications. The research outcomes will be quickly disseminated through journal publications, conference presentations, and course teaching.