X-Ray Studies of the Statistical Physics of Surface Morphology
表面形貌统计物理的X射线研究
基本信息
- 批准号:9423641
- 负责人:
- 金额:$ 29万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1995
- 资助国家:美国
- 起止时间:1995-06-01 至 1998-10-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
9423641 Mochrie Surface morphology is key to a number of technologically important processes, including for example, corrosion, catalysis, and epitaxial growth. In addition, there remain basic scientific questions, most especially concerning the nature of instantaneous correlations between different points in the interface, and the correlation between the interfacial position at different times. These fundamental issues will be addressed in the proposed research. Specifically, studies of the equilibrium properties of crystal surfaces will be made to investigate equilibrium surface morphology. In addition, the kinetics of changes in surface morphology following rapid temperature changes, and during growth, will be investigated. This research will lead to an improved understanding of what determines surface morphology. Such an understanding may eventually allow for the introduction of simple processing strategies for tailoring surface morphology to suit technological needs. The experimental technique employed in these studies is high-resolution synchrotron x-ray scattering, in conjunction with a proven, state-of-the-art ultra-high vacuum apparatus. %%% The form and structure of solid surfaces are the keys to a number of technologically important processes, including for example, corrsion, catalysis, and the growth of one crystalline solid on another. In addition, there are basic scientific questions, especially concerning the nature of instantaneous correlations between different points in an interface (as when a crystal surface grows) and the correlation between the interfacial position at different times. To address these issues, studies of the equilibrium properties of crystal surfaces will be made to investigate the equilibrium form and structure of the surface. The rate at which changes in surface form and structure occur following rapid temperature changes, and during gro wth, will also be investigated. This research will lead to an improved understanding of what determines the form and structure of a solid surface, and may eventually allow for the introducton of simple processing strategies for tailoring surface form and structure to suit technological needs. The experimental technique employed in these studies is high- resolution x-ray scattering combined with state-of-the-art ultra-high vacuum apparatus. ***
9423641 Mochrie 表面形态是许多重要技术过程的关键,包括腐蚀、催化和外延生长等。 此外,仍然存在基本的科学问题,尤其是关于界面中不同点之间瞬时相关性的性质,以及不同时间界面位置之间的相关性。这些基本问题将在拟议的研究中得到解决。具体来说,将对晶体表面的平衡特性进行研究,以研究平衡表面形态。此外,还将研究温度快速变化和生长过程中表面形态变化的动力学。这项研究将有助于更好地理解决定表面形态的因素。 这种理解最终可能允许引入简单的处理策略来定制表面形态以满足技术需求。 这些研究中采用的实验技术是高分辨率同步加速器 X 射线散射,与经过验证的最先进的超高真空设备相结合。 %%% 固体表面的形式和结构是许多重要技术过程的关键,包括腐蚀、催化以及一种结晶固体在另一种结晶固体上的生长。 此外,还存在一些基本的科学问题,特别是关于界面中不同点之间的瞬时相关性(如晶体表面生长时)的性质以及不同时间界面位置之间的相关性。为了解决这些问题,将进行晶体表面平衡性质的研究,以研究表面的平衡形式和结构。还将研究快速温度变化和生长过程中表面形状和结构发生变化的速率。这项研究将加深对决定固体表面的形式和结构的因素的理解,并最终可能引入简单的加工策略来定制表面形式和结构以满足技术需求。 这些研究中采用的实验技术是高分辨率 X 射线散射与最先进的超高真空设备相结合。 ***
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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Simon Mochrie其他文献
Simon Mochrie的其他文献
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{{ truncateString('Simon Mochrie', 18)}}的其他基金
Collaborative Research: International Physics of Living Systems Graduate Research Network
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2012406 - 财政年份:2021
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Measurements and Models of Cell Nuclear Mechanics
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1634988 - 财政年份:2016
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$ 29万 - 项目类别:
Standard Grant
Collaborative Research: PoLS Student Research Network
合作研究:PoLS 学生研究网络
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1522467 - 财政年份:2015
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Packing and Unpacking the Genome: Single-Molecule Manipulation of Chromatin
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1305509 - 财政年份:2013
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Biomechanics of the Cell Nucleus: The Role of Chromatin and its Connectivity with Nuclear Proteins and the Nuclear Membrane
细胞核的生物力学:染色质的作用及其与核蛋白和核膜的连接
- 批准号:
1334406 - 财政年份:2013
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$ 29万 - 项目类别:
Standard Grant
Collaborative Research: PoLS Student Research Network
合作研究:PoLS 学生研究网络
- 批准号:
1019147 - 财政年份:2010
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$ 29万 - 项目类别:
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Superdiffusion in high viscosity liquids
高粘度液体中的超扩散
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0906697 - 财政年份:2009
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Structure and Dynamics of Polymeric Complex Fluids
聚合物复杂流体的结构和动力学
- 批准号:
0453856 - 财政年份:2005
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$ 29万 - 项目类别:
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Equilibrium Dynamics of Dense Colloids and Polymers: X-ray Photon Correlation Spectroscopy Studies
致密胶体和聚合物的平衡动力学:X 射线光子相关光谱研究
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0071755 - 财政年份:2000
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Development of a Beamline for Condensed Matter Physics and Materials Research at the Advanced Photon Source
先进光子源凝聚态物理和材料研究光束线的开发
- 批准号:
9312543 - 财政年份:1993
- 资助金额:
$ 29万 - 项目类别:
Continuing Grant
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