Collaborative Research: ECLIPSE: Physical and Chemical Insights into Particle-Plasma Interactions in Dusty Plasma using Optical Trapping and Multi-Fold Laser Diagnostics
合作研究:ECLIPSE:使用光学捕获和多重激光诊断对尘埃等离子体中的粒子-等离子体相互作用进行物理和化学洞察
基本信息
- 批准号:2308948
- 负责人:
- 金额:$ 30.09万
- 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:2023-06-01 至 2026-05-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
This award supports a collaborative project between Mississippi State University and Auburn University to develop a novel method to trap and control dust particles in a low temperature plasma. Low temperature plasmas are partially ionized gases, comprising of electrons, ions and neutral molecules. Small solid particles, or dust, introduced in a low temperature plasma can get charged and become suspended against the force of gravity. Dusty plasmas are common in space, such as tails of comets and the rings of Saturn, and in the semiconductor industry, where dusty plasmas can form during manufacturing of computer chips. Control of floating and moving dust is a challenge for both fundamental plasma physics studies and the industrial applications. This collaborative project allows the development of a novel method to trap dust particles in plasmas by combining cutting-edge optical and laser diagnostic techniques at Mississippi State University with advanced dusty plasma systems at Auburn University. The project also provides opportunities for graduate and undergraduate students from historically excluded communities to obtain hands-on plasma science experience geared toward industrial applications.This collaborative project will address one of the key challenges in the field of dusty plasmas: “Tuning of plasma - dust grain interactions for precision control of trajectories and growth of nanometer and micrometer size particles” as stated in the 2020 Decadal Assessment of Plasma Science. A novel optical trapping technology will be designed to actively pin down single dust particles in the plasma and to transport them in a controlled way anywhere in the device. In addition, multifold laser diagnostic techniques will be used to measure the impacted plasma parameters resulting from physical and chemical processes, thus aiding understanding of particle-plasma interactions, particle charging behavior, and particle growth in a reactive dusty plasma at the microscopic level. The single-particle dusty plasma diagnostic techniques developed in this project can be readily adopted to other dusty plasmas such as magnetized dusty plasma, and for plasma fabrication and control in the industry. The synergy of the expertise of the collaborating research groups both enables fundamental dusty plasma research at a deeper level with unprecedented precision, and provides a new platform to grow future workforce in laser-based diagnostics and plasma physics at two NSF EPSCoR jurisdictions.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.
该奖项支持密西西比州立大学和奥本大学之间的一个合作项目,该项目旨在开发一种在低温等离子体中捕获和控制尘埃颗粒的新方法。低温等离子体是部分电离的气体,由电子、离子和中性分子组成。在低温等离子体中引入的小固体颗粒或灰尘会带电,并在重力作用下悬浮。尘埃等离子体在太空中很常见,比如彗星的尾巴和土星的光环,在半导体工业中,尘埃等离子体可以在制造计算机芯片的过程中形成。悬浮和移动粉尘的控制是基础等离子体物理研究和工业应用的一个挑战。该合作项目将密西西比州立大学的尖端光学和激光诊断技术与奥本大学先进的尘埃等离子体系统相结合,从而开发出一种捕捉等离子体中尘埃颗粒的新方法。该项目还为来自历史上被排斥的社区的研究生和本科生提供了获得面向工业应用的等离子体科学实践经验的机会。该合作项目将解决尘埃等离子体领域的关键挑战之一:“调谐等离子体-尘埃颗粒相互作用,以精确控制纳米和微米尺寸颗粒的轨迹和生长”,如2020年等离子体科学十年评估中所述。一种新的光学捕获技术将被设计出来,它可以主动地锁定等离子体中的单个尘埃颗粒,并以一种可控的方式将它们传输到设备的任何地方。此外,多重激光诊断技术将用于测量物理和化学过程产生的影响等离子体参数,从而帮助理解粒子-等离子体相互作用,粒子充电行为,以及在微观水平上反应性尘埃等离子体中的粒子生长。本课题所开发的单粒子尘埃等离子体诊断技术,可以很容易地应用于磁化尘埃等离子体等其他尘埃等离子体,也可以应用于工业等离子体的制造和控制。合作研究小组的专业知识的协同作用使尘埃等离子体的基础研究能够以前所未有的精度在更深层次上进行,并为两个NSF EPSCoR管辖区的激光诊断和等离子体物理领域的未来劳动力增长提供了一个新的平台。该奖项反映了美国国家科学基金会的法定使命,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
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