Self-Assembled Nanoscale Patterns Produced by Ion Bombardment of Solid Surfaces
通过离子轰击固体表面产生的自组装纳米级图案
基本信息
- 批准号:1305449
- 负责人:
- 金额:$ 28万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-09-15 至 2017-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
TECHNICAL SUMMARYThe Division of Mathematical Sciences and the Division of Materials Research contribute funds to this award. It supports theoretical research and educational activities focused on advancing understanding of how self-assembled nanoscale patterns are produced by bombarding a solid surface with a broad ion beam. The spontaneous emergence of these patterns is not just fascinating in its own right; ion bombardment has the potential to become a cost-effective method to rapidly fabricate large-area nanostructures at length scales beyond the limits of conventional optical lithography. This project will yield insight into how these patterns form, and so will aid in the optimization of this tool.In the sponsored research, the PIs will pioneer the application of the mathematical theory of pattern formation to the ion bombardment of solids. They will determine whether well-ordered hexagonal arrays of nanodots can be formed by bombarding an elemental solid while concurrently depositing impurities, and develop a theory that explains why nearly regular hexagonal arrays of nanorods form during ion-assisted deposition of some binary materials. Methods that may reduce or prevent the formation of defects in the patterns produced by ion bombardment will be developed and evaluated.Outreach to K-12 students and the education of undergraduate and graduate students are important aspects of the project. High school students in AP Physics will study a macroscopic analog of pattern formation induced by ion bombardment, patterns formed by sandblasting. Demonstrations of pattern formation will be developed that will be used by Little Shop of Physics, a nationally-recognized outreach program that brings hands-on physics demonstrations to K-12 students and to the general public. The graduate student supported by the award will receive interdisciplinary training in the physics of ion bombardment and the mathematics of pattern formation. NONTECHNICAL SUMMARYThe Division of Mathematical Sciences and the Division of Materials Research contribute funds to this award. It supports theoretical research and educational activities focused on advancing our understanding of the nanoscale patterns that emerge when a solid surface is bombarded with a broad ion beam. These nanoscale patterns have features on small length scales some million times smaller than the head of a pin. A plethora of patterns can be produced, including nanoscale mounds arranged in hexagonal arrays of remarkable and unforeseen regularity. The spontaneous emergence of these patterns is not just fascinating in its own right: ion bombardment has the potential to become a cost-effective method to rapidly fabricate large-area nanostructures. This project will yield insight into how these patterns form, and so will aid in the optimization of this tool. The sponsored research will therefore contribute to the burgeoning field of nanotechnology, which promises to transform fields as diverse as medicine, energy, and electronics.Outreach to K-12 student and the education of undergraduate and graduate students are important aspects of the project. High school physics students will study an analog of pattern formation induced by ion bombardment, patterns formed by sandblasting. Demonstrations of pattern formation will be developed that will be used by Little Shop of Physics, a nationally-recognized outreach program that brings hands-on physics demonstrations to K-12 students and to the general public. The graduate student to be supported by the award will receive interdisciplinary training in the physics of ion bombardment and the mathematics of pattern formation.
技术摘要数学科学部和材料研究部为该奖项提供资金。它支持理论研究和教育活动,重点是推进对如何通过宽离子束轰击固体表面产生自组装纳米级图案的理解。这些模式的自发出现不仅本身就很迷人;离子轰击技术有潜力成为一种经济有效的方法,以快速制造大面积的纳米结构,其长度超出了传统光学光刻技术的限制。该项目将深入了解这些模式是如何形成的,因此将有助于该工具的优化。在赞助的研究中,pi将率先将模式形成的数学理论应用于固体离子轰击。他们将确定是否有序的六边形纳米点阵列可以通过轰击元素固体同时沉积杂质来形成,并发展一个理论来解释为什么在离子辅助沉积一些二元材料时形成近规则的六边形纳米棒阵列。将开发和评估可能减少或防止离子轰击产生的图案中缺陷形成的方法。扩展到K-12学生和本科生和研究生的教育是该项目的重要方面。高中AP物理课程的学生将学习离子轰击诱导的图案形成的宏观模拟,喷砂形成的图案。图案形成的演示将被Little Shop of Physics使用,这是一个全国公认的推广项目,为K-12学生和公众提供动手物理演示。该奖项支持的研究生将接受离子轰击物理学和模式形成数学方面的跨学科培训。数学科学部和材料研究部为本奖项提供资金。它支持理论研究和教育活动,重点是提高我们对固体表面被宽离子束轰击时出现的纳米尺度模式的理解。这些纳米尺度的图案在比大头针的针尖小百万倍的小长度尺度上具有特征。可以产生大量的图案,包括排列成六边形阵列的纳米级土丘,其显著的和不可预见的规律性。这些图案的自发出现不仅本身就很吸引人:离子轰击有可能成为快速制造大面积纳米结构的一种经济有效的方法。该项目将深入了解这些模式是如何形成的,因此将有助于该工具的优化。因此,这项赞助的研究将对新兴的纳米技术领域做出贡献,纳米技术有望改变医学、能源和电子等不同领域。扩展到K-12学生和本科生和研究生的教育是该项目的重要方面。高中物理学生将学习离子轰击诱导的图案形成的模拟,喷砂形成的图案。图案形成的演示将被Little Shop of Physics使用,这是一个全国公认的推广项目,为K-12学生和公众提供动手物理演示。获得该奖项的研究生将接受离子轰击物理学和模式形成数学方面的跨学科培训。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Richard Bradley其他文献
The kinematics of belief and desire
信念和欲望的运动学
- DOI:
- 发表时间:
2007 - 期刊:
- 影响因子:1.5
- 作者:
Richard Bradley - 通讯作者:
Richard Bradley
Proposition-valued random variables as information
作为信息的命题值随机变量
- DOI:
- 发表时间:
2010 - 期刊:
- 影响因子:1.5
- 作者:
Richard Bradley - 通讯作者:
Richard Bradley
Decision Theory: A Formal Philosophical Introduction
决策理论:正式的哲学导论
- DOI:
- 发表时间:
2014 - 期刊:
- 影响因子:0
- 作者:
Richard Bradley - 通讯作者:
Richard Bradley
Making Confident Decisions with Model Ensembles
使用模型集成做出自信的决策
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
J. Roussos;Richard Bradley;Roman Frigg - 通讯作者:
Roman Frigg
Desire, Expectation and Invariance
欲望、期望和不变性
- DOI:
- 发表时间:
2016 - 期刊:
- 影响因子:0
- 作者:
Richard Bradley;H. Orri Stefánsson - 通讯作者:
H. Orri Stefánsson
Richard Bradley的其他文献
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{{ truncateString('Richard Bradley', 18)}}的其他基金
Collaborative Research: Highly Ordered Nanoscale Patterns Produced by Ion Bombardment of Solid Surfaces: Theory and Experiment
合作研究:离子轰击固体表面产生的高度有序的纳米级图案:理论与实验
- 批准号:
2116753 - 财政年份:2022
- 资助金额:
$ 28万 - 项目类别:
Continuing Grant
Collaborative Research: Precision Array for Probing the Epoch of Reionization (PAPER)
合作研究:用于探测再电离时代的精密阵列(论文)
- 批准号:
1125558 - 财政年份:2011
- 资助金额:
$ 28万 - 项目类别:
Standard Grant
Collaborative Research: PAPER: Precision Array to Probe the Epoch on Reionization
合作研究:论文:精密阵列探测再电离时代
- 批准号:
0804523 - 财政年份:2008
- 资助金额:
$ 28万 - 项目类别:
Continuing Grant
Bronze Age metalwork hoards in the landscape of lowland Britain: a pilot study
英国低地景观中的青铜时代金属制品宝库:一项试点研究
- 批准号:
AH/E008712/1 - 财政年份:2007
- 资助金额:
$ 28万 - 项目类别:
Research Grant
Collaborative Proposal for PAPER -- Precision Array to Probe the Epoch of Reionization
PAPER合作提案——精密阵列探测再电离时代
- 批准号:
0607759 - 财政年份:2006
- 资助金额:
$ 28万 - 项目类别:
Standard Grant
Strong Mixing Conditions for Random Sequences
随机序列的强混合条件
- 批准号:
9703712 - 财政年份:1997
- 资助金额:
$ 28万 - 项目类别:
Standard Grant
Mathematical Sciences: Strong Mixing Conditions for Random Sequences and Random Fields
数学科学:随机序列和随机场的强混合条件
- 批准号:
9500307 - 财政年份:1995
- 资助金额:
$ 28万 - 项目类别:
Standard Grant
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