The UK Medium Energy Ion Scattering Facility: Composition and Crystallography of Surfaces and Buried Interfaces
英国中能离子散射设施:表面和埋藏界面的成分和晶体学
基本信息
- 批准号:EP/E003370/1
- 负责人:
- 金额:$ 192.96万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2006
- 资助国家:英国
- 起止时间:2006 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This proposal seeks the resources to ensure effective operation of the unique UK Medium Energy Ion Scattering (MEIS) facility for the next 4 years. As such, it aims to exploit the considerable assets both in equipment (replacement value ~ 3M) and expertise that exist at the Daresbury Laboratory near Warrington. Funding is needed to provide manpower, consumables and eqipment to ensure the facility runs efficiently and continues to create the potential for new experiments in research areas not previously explored. MEIS is a technique which provides compositional and structural information with a depth resolution approaching that of a single atomic layer. Probing ions scatter from atoms in the target in elastic billiard ball like collisions losing energy to the recoiling atoms. Energy analysis of the scattered ion enables the elemental identity of the atom to be established, while additional smaller energy losses due to inelastic electronic excitations allow the determination of the depth of the target atom below the surface. High-energy resolution ensures atomic-scale depth sensitivity. The elastic scattering also gives rise to 'shadowing' of one atom by another on the incident and outgoing trajectories, and the resulting variations of scattered yield with scattering angle provide layer-specific structural data. Consequently, MEIS provides unique compositional and structural information on the surface and sub-surface properties of solids and ultra-thin films. The outstanding capabilities of the MEIS instrument at Daresbury, coupled with its unique status as a user facility, offer UK scientists the ability to study a range of surface and near surface phenomena in fundamental and applied science, much of which underpins key technological areas as diverse as:- Catalysts, where research is envisaged to study the role segregation in the effectiveness of bimetallic catalysts and also the possibility of making catalysts capable of producing chirally pure products.- Magnetic multilayer materials like those found in modern data storage devices such as hard disc drives- Silicon processing techniques for advanced devices such as computer processors and memory chips (including growth, implantation and metallisation)- Corrosion protection for architectural, aerospace and automotive applications along with more specialised products such as medical implants - Novel semiconductor materials that could be used in future generations of electronic goods (spintronic devices and quantum dots) The user programme comprises both fundamental studies of model systems and technological studies of 'real-world' materials. Since the facility is open to all academic users, new applications in novel areas can be expected to emerge during the funding period.
该提案寻求资源,以确保英国独特的中能量离子散射(MEIS)设施在未来4年内有效运行。因此,它的目标是利用沃灵顿附近达斯伯里实验室存在的大量设备资产(重置价值约3M)和专业知识。需要资金来提供人力、消耗品和设备,以确保该设施有效运行,并继续为以前未探索的研究领域的新实验创造潜力。MEIS是一种提供成分和结构信息的技术,其深度分辨率接近单个原子层。探测离子像弹子球一样从靶中的原子中散射出去,失去能量给反冲的原子。对散射离子的能量分析可以确定原子的元素身份,而由于非弹性电子激发而产生的额外的较小能量损失可以确定目标原子在表面以下的深度。高能分辨率确保原子尺度的深度灵敏度。弹性散射还会在入射和出射轨迹上产生一个原子被另一个原子“遮蔽”,由此产生的散射产额随散射角的变化提供了层特异性结构数据。因此,MEIS提供了固体和超薄膜表面和亚表面特性的独特成分和结构信息。达斯伯里MEIS仪器的卓越能力,加上其作为用户设施的独特地位,为英国科学家提供了研究基础科学和应用科学中一系列表面和近表面现象的能力,其中大部分支撑了关键技术领域,如:设想的研究方向是研究分离在双金属催化剂有效性中的作用,以及使催化剂能够产生手性纯产物的可能性。-磁性多层材料,如现代数据存储设备(如硬盘驱动器)中的磁性多层材料-用于先进设备(如计算机处理器和存储芯片)的硅处理技术(包括生长,植入和金属化)-建筑防腐蚀,航空航天和汽车应用以及更专业的产品,如医疗植入物-可用于未来几代电子产品(自旋电子器件和量子点)的新型半导体材料用户计划包括模型系统的基础研究和“现实世界”材料的技术研究。由于该设施对所有学术用户开放,预计在资助期间将出现新领域的新应用。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Ion beam analysis for hall scattering factor measurements in antimony implanted bulk and strained silicon
用于锑注入体硅和应变硅中霍尔散射因子测量的离子束分析
- DOI:
- 发表时间:2014
- 期刊:
- 影响因子:1
- 作者:Alzanki T.
- 通讯作者:Alzanki T.
Physical Characterization of the Metal/High-k Layer Interaction upon Annealing
退火时金属/高 k 层相互作用的物理表征
- DOI:10.1149/1.2981624
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Conard T
- 通讯作者:Conard T
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Timothy Noakes其他文献
CORONARY HEART DISEASE IN MARATHON RUNNERS
马拉松运动员的冠心病
- DOI:
10.1111/j.1749-6632.1977.tb38232.x - 发表时间:
1977 - 期刊:
- 影响因子:5.2
- 作者:
Timothy Noakes;L. Opie;W. Beck;J. McKechnie;A. Benchimol;K. Desser - 通讯作者:
K. Desser
Timothy Noakes的其他文献
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{{ truncateString('Timothy Noakes', 18)}}的其他基金
The National Centre for Electron Spectroscopy and Surface Analysis
国家电子能谱与表面分析中心
- 批准号:
EP/E025722/1 - 财政年份:2007
- 资助金额:
$ 192.96万 - 项目类别:
Research Grant
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