Engineering Interfaces in No-Common-Atom Heterostructures
非共原子异质结构中的工程接口
基本信息
- 批准号:0606048
- 负责人:
- 金额:$ 46.31万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-09-01 至 2009-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Technical: The goal of this project is to achieve greater understanding of epitaxial growth conditions and processes associated with the synthesis of no-common-atom short period superlattices (SPS) with well-defined interfaces-the constituent layers of such superlattices do not share a common element. No-Common-Atom systems, e.g., InAs/GaSb, have attracted interest for potential applications in infrared optoelectronics technology through the possibility of tuning electronic band structure by manipulating low-symmetry interface structures. The approach includes identification, understanding, and control over atomistic mechanisms of interface formation. Atomic resolution characterization is an essential element of the approach. A direct method to image buried interfaces using x-ray synchrotron radiation will be studied. This technique, COBRA, is capable of providing, non-destructively, a three-dimensional map of epitaxial thin-film structures with sub-Angstrom resolution of atomic positions. COBRA maps will be a key to achieving detailed structural and compositional information useful for understanding and controlling growth conditions for achieving interface structures having desired optoelectronic properties. Theoretical predictions of interface composition distributions will be compared with experimentally determined interface structures, and used to guide experiments. Non-Technical: The project addresses basic research issues in a topical area of materials science having high technological relevance. The research will contribute basic materials science knowledge at a fundamental level to new understanding and capabilities in electronic/photonic devices. An important feature of the program is the integration of research and education through the training of students in a fundamentally and technologically significant area. The project provides excellent research opportunities for graduate training, including experience at national facilities (Advanced Photon Source), and also for more junior students to become interested in science and engineering. Working with high school students and undergraduates, the PIs have devised a program of research activities which are integrated with research, but which are also accessible to less experienced students. The PI's will also organize an innovative Summer Camp to interest middle school girls in science and engineering.
技术支持:这个项目的目标是实现更好的理解外延生长条件和工艺与合成无共同原子的短周期超晶格(SPS)具有明确的界面,这种超晶格的组成层不共享一个共同的元素。非共原子系统,例如,InAs/GaSb在红外光电子技术中的潜在应用引起了人们的兴趣,通过操纵低对称性界面结构来调节电子能带结构的可能性。该方法包括识别,理解和控制界面形成的原子机制。原子分辨率表征是该方法的基本要素。本文将研究一种利用X射线同步辐射直接成像掩埋界面的方法。这种技术,COBRA,是能够提供,非破坏性的,一个三维地图的外延薄膜结构与亚埃分辨率的原子位置。COBRA地图将是一个关键,以实现详细的结构和成分信息有用的理解和控制生长条件,实现具有所需的光电性能的界面结构。界面组成分布的理论预测将与实验确定的界面结构进行比较,并用于指导实验。非技术性:该项目涉及具有高度技术相关性的材料科学专题领域的基础研究问题。该研究将在基础层面上为电子/光子器件的新理解和能力贡献基础材料科学知识。该计划的一个重要特点是通过在一个基本和技术上重要的领域对学生进行培训来整合研究和教育。该项目为研究生培训提供了极好的研究机会,包括在国家设施(高级光子源)的经验,也为更多的低年级学生对科学和工程感兴趣。与高中生和本科生合作,PI设计了一个研究活动计划,该计划与研究相结合,但也适用于经验不足的学生。PI还将组织一个创新的夏令营,以吸引中学女生对科学和工程的兴趣。
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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Roy Clarke其他文献
Transient strain driven by a dense electron-hole plasma.
由致密电子空穴等离子体驱动的瞬态应变。
- DOI:
10.1103/physrevlett.91.165502 - 发表时间:
2002 - 期刊:
- 影响因子:8.6
- 作者:
M. DeCamp;D. A. Reis;A. Cavalieri;P. Bucksbaum;Roy Clarke;Roberto Merlin;Eric M. Dufresne;D. Arms;A. M. Lindenberg;A. MacPhee;Zenghu Chang;B. Lings;J. Wark;Stephen Fahy - 通讯作者:
Stephen Fahy
Nonintrusive optical measurements of aircraft engine exhaust emissions and comparison with standard intrusive techniques.
飞机发动机废气排放的非侵入式光学测量以及与标准侵入式技术的比较。
- DOI:
10.1364/ao.39.000441 - 发表时间:
2000 - 期刊:
- 影响因子:1.9
- 作者:
K. Schäfer;J. Heland;D. Lister;C.W. Wilson;R. Howes;R. Falk;E. Lindermeir;M. Birk;G. Wagner;P. Haschberger;M. Bernard;O. Legras;P. Wiesen;R. Kurtenbach;K. Brockmann;V. Kriesche;M. Hilton;Gary Bishop;Roy Clarke;J. Workman;M. Caola;R. Geatches;Roger Burrows;J. Black;P. Herve;J. Vally - 通讯作者:
J. Vally
Prototype and Applications for Asynchronous Rotation of Magnetic Microspheres
- DOI:
10.1016/j.bpj.2008.12.3342 - 发表时间:
2009-02-01 - 期刊:
- 影响因子:
- 作者:
Paivo Kinnunen;Brandon H. McNaughton;Roy Clarke;Raoul Kopelman - 通讯作者:
Raoul Kopelman
Single Cell Detection and Analysis with Asynchronous Rotation of Driven Magnetic Microspheres
- DOI:
10.1016/j.bpj.2008.12.925 - 发表时间:
2009-02-01 - 期刊:
- 影响因子:
- 作者:
Brandon H. McNaughton;Paivo Kinnunen;Rodney R. Agayan;Ron G. Smith;Alan J. Hunt;Raoul Kopelman;Roy Clarke - 通讯作者:
Roy Clarke
Bridge to success and inclusivity
- DOI:
10.1557/mrs.2019.30 - 发表时间:
2020-09-27 - 期刊:
- 影响因子:4.900
- 作者:
Roy Clarke;Çagliyan Kurdak - 通讯作者:
Çagliyan Kurdak
Roy Clarke的其他文献
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{{ truncateString('Roy Clarke', 18)}}的其他基金
SBIR Phase I: Novel Solid-State Cerenkov Detector for Portable and Wearable Neutron Radiation Sensors
SBIR 第一阶段:用于便携式和可穿戴中子辐射传感器的新型固态切伦科夫探测器
- 批准号:
1448519 - 财政年份:2015
- 资助金额:
$ 46.31万 - 项目类别:
Standard Grant
I-Corps: Femtofilm: Scalable Nanomaterials for Energy-Critical Applications
I-Corps:Femtofilm:用于能源关键型应用的可扩展纳米材料
- 批准号:
1263557 - 财政年份:2012
- 资助金额:
$ 46.31万 - 项目类别:
Standard Grant
INDIVIDUAL: Nomination of Roy Clarke for the PAESMEM for his Commitment to Enhancing Diversity in Underrepresented Minorities and Women in Physics
个人:罗伊·克拉克 (Roy Clarke) 提名 PAESMEM 成员,以表彰他致力于增强物理学领域代表性不足的少数族裔和女性的多样性
- 批准号:
1036683 - 财政年份:2011
- 资助金额:
$ 46.31万 - 项目类别:
Standard Grant
Quantum Dot Patterning for Tailored Properties
量子点图案化以实现定制特性
- 批准号:
0906909 - 财政年份:2009
- 资助金额:
$ 46.31万 - 项目类别:
Continuing Grant
Engineering Interfaces in No-Common-Atom Heterostructures
非共原子异质结构中的工程接口
- 批准号:
0412736 - 财政年份:2004
- 资助金额:
$ 46.31万 - 项目类别:
Standard Grant
Purchase of Electron Microscope for Teaching Laboratories
购买教学实验室电子显微镜
- 批准号:
9252035 - 财政年份:1992
- 资助金额:
$ 46.31万 - 项目类别:
Standard Grant
Undulator Beam Line Instrumentation for Real-Time X-ray Studies
用于实时 X 射线研究的波荡器光束线仪器
- 批准号:
9214220 - 财政年份:1992
- 资助金额:
$ 46.31万 - 项目类别:
Standard Grant
Time-resolved X-ray Studies of Kinetics of Metastable Materials
亚稳态材料动力学的时间分辨 X 射线研究
- 批准号:
8805156 - 财政年份:1988
- 资助金额:
$ 46.31万 - 项目类别:
Continuing Grant
Domain Ordering and Kinetics in Graphite Intercalation Com- pounds (Materials Research)
石墨插层化合物中的域排序和动力学(材料研究)
- 批准号:
8404975 - 财政年份:1984
- 资助金额:
$ 46.31万 - 项目类别:
Continuing Grant
X-Ray Diffuse Scattering Studies of Intercalation Compounds
插层化合物的 X 射线漫散射研究
- 批准号:
8207449 - 财政年份:1982
- 资助金额:
$ 46.31万 - 项目类别:
Continuing Grant
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