Materials World Network - Collaborative Research: Decoherence, Correlations and Spin Effects in Nanostructured Materials

材料世界网络 - 合作研究:纳米结构材料中的退相干、相关性和自旋效应

基本信息

  • 批准号:
    0710540
  • 负责人:
  • 金额:
    $ 36.4万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2007
  • 资助国家:
    美国
  • 起止时间:
    2007-09-01 至 2012-08-31
  • 项目状态:
    已结题

项目摘要

This Materials World Network/Inter-American Materials Collaboration award supports a joint research and education program between participants in the US, Brazil, and Chile to explore effects of electron correlations in nanoscale or reduced-dimensionality materials: magnetic adatoms and molecules on surfaces, carbon nanotubes and graphene, and quantum dots in semiconductors and other materials. The increasing ability of experiments to probe correlations at the nanometer scale via advances in fabrication methods and local measurement techniques has given rise to a host of new questions about systems long considered understood in the bulk or in ensembles. Correlations between spins, competition between ordering and screening of magnetic impurities, possible quantum phase transitions between different regimes, and effects of decoherence, are all now explorable in experiments. The research is directed to address these issues, which are intrinsically important to basic physics understanding, as well as to possible technological uses in areas ranging from nanomagnetism and information storage to a host of new carbon-based electronic devices, and even quantum information processing by control of the spin degrees of freedom in electronic systems. The goal is to provide physical insights into correlated electron behaviors and to guide experiments to measure novel properties.Theoretical research is conducted in the US at Ohio University, the University of Florida, and Oakland University; in Brazil at the Pontificia Universidade Catolica do Rio de Janeiro and the Universidade Federal Fluminense; and in Chile at the Universidad Catolica del Norte, the Universidad Tecnica Federico Santa Maria, the Pontificia Universidad Catolica de Chile, and the Universidad de Antofagasta. Groups at these institutions combine their complementary expertise with different theoretical techniques, including the numerical renormalization group and the embedded cluster approximation, that are proven and reliable in treating nontrivial correlated problems. Close communication with experimental groups both inside the collaboration (at the Universidade Federal de Minas Gerais, Brazil) and outside maintain connections with real systems of interest. The project places significant emphasis on training young scientists in the US and Latin America, by engaging them in current research in a highly collaborative and international environment. Students and a postdoctoral fellow learn modern techniques that will provide them with tools for successful careers in science and with skills that will make them highly employable in industry. Junior researchers are brought together with leading experts at two mini-workshops, one held in Brazil, the other in the US. There are also concerted and well-planned efforts to reach a broader audience at the K-12 levels, through a web site with accessible articles on modern nanoscience developments, a program of school visits, and educational videos and attractive images showing research results.This award is co-funded with the Office of International Science and Engineering.
材料世界网络/美洲材料合作奖支持美国、巴西和智利的参与者之间的联合研究和教育计划,以探索纳米级或降维材料中电子相关性的影响,这些材料包括表面上的磁性原子和分子、碳纳米管和石墨烯,以及半导体和其他材料中的量子点。通过制造方法和局部测量技术的进步,实验在纳米尺度上探索相关性的能力越来越强,这给长期以来被认为是整体或整体理解的系统提出了一系列新的问题。自旋之间的关联,磁性杂质的有序和屏蔽之间的竞争,不同区域之间可能的量子相变,以及退相干的影响,现在都可以在实验中探索。这项研究旨在解决这些问题,这些问题对基本物理理解以及从纳米磁性和信息存储到许多新的碳基电子设备,甚至通过控制电子系统中的自旋自由度进行量子信息处理等领域的可能技术用途都是至关重要的。理论研究在美国的俄亥俄大学、佛罗里达大学和奥克兰大学进行;在巴西在里约热内卢的Catolica大学和联邦弗卢米嫩塞大学进行;在智利的Catolica del Norte大学、Tecnica Federico Santa Maria大学、智利的Pontiffa University de Catolica de智利和Antofagasta大学进行。这些机构的小组将他们互补的专业知识与不同的理论技术相结合,包括数值重整化群和嵌入的团簇近似,这些技术在处理非平凡的相关问题方面被证明是可靠的。与合作内部(巴西米纳斯吉拉斯联邦大学)和外部的实验小组的密切沟通保持着与真正感兴趣的系统的联系。该项目非常重视培训美国和拉丁美洲的年轻科学家,让他们在高度合作和国际化的环境中参与当前的研究。学生和博士后学习现代技术,这些技术将为他们在科学领域的成功职业生涯提供工具,并提供使他们在工业中高度受雇的技能。初级研究人员和顶尖专家参加了两个小型研讨会,一个在巴西举行,另一个在美国举行。还有协调一致和计划周密的努力,通过一个网站,提供关于现代纳米科学发展的无障碍文章,一个学校访问计划,以及展示研究成果的教育视频和吸引人的图像,来接触到更广泛的K-12级别的受众。该奖项是与国际科学和工程办公室共同资助的。

项目成果

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Kevin Ingersent其他文献

Transmission in double quantum dots in the Kondo regime: Quantum-critical transitions and interference effects
  • DOI:
    10.1016/j.physe.2007.08.098
  • 发表时间:
    2008-03-01
  • 期刊:
  • 影响因子:
  • 作者:
    Luis G.G.V. Dias da Silva;Nancy Sandler;Kevin Ingersent;Sergio E. Ulloa
  • 通讯作者:
    Sergio E. Ulloa

Kevin Ingersent的其他文献

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{{ truncateString('Kevin Ingersent', 18)}}的其他基金

Collaborative Research: Spin Correlations and Spin-Orbit Effects in New Quantum Materials
合作研究:新型量子材料中的自旋相关性和自旋轨道效应
  • 批准号:
    1508122
  • 财政年份:
    2015
  • 资助金额:
    $ 36.4万
  • 项目类别:
    Standard Grant
Materials World Network - Collaborative Research: Symmetry, Local-Environment and Time-Dependent Effects in Nanoscale Systems: A Synergistic Approach
材料世界网络 - 合作研究:纳米级系统中的对称性、局部环境和时间依赖性效应:一种协同方法
  • 批准号:
    1107814
  • 财政年份:
    2011
  • 资助金额:
    $ 36.4万
  • 项目类别:
    Continuing Grant
REU Site: Materials Physics at the University of Florida
REU 站点:佛罗里达大学材料物理系
  • 批准号:
    0552726
  • 财政年份:
    2006
  • 资助金额:
    $ 36.4万
  • 项目类别:
    Continuing grant
ITR: Modeling of Local Critical Behavior in Correlated Electron Systems
ITR:相关电子系统中局域临界行为的建模
  • 批准号:
    0312939
  • 财政年份:
    2003
  • 资助金额:
    $ 36.4万
  • 项目类别:
    Standard Grant
REU Site: Physics at the University of Florida
REU 站点:佛罗里达大学物理系
  • 批准号:
    0139579
  • 财政年份:
    2002
  • 资助金额:
    $ 36.4万
  • 项目类别:
    Continuing Grant
REU SITE: An REU Site in Physics at the University of Florida
REU 站点:佛罗里达大学物理 REU 站点
  • 批准号:
    9820518
  • 财政年份:
    1999
  • 资助金额:
    $ 36.4万
  • 项目类别:
    Continuing Grant
Physics of Magnetic Impurities in Metals
金属中磁性杂质的物理学
  • 批准号:
    9316587
  • 财政年份:
    1993
  • 资助金额:
    $ 36.4万
  • 项目类别:
    Continuing grant

相似国自然基金

国际心脏研究会第二十三届世界大会(XXIII World Congress ISHR)
  • 批准号:
    81942001
  • 批准年份:
    2019
  • 资助金额:
    10 万元
  • 项目类别:
    专项基金项目

相似海外基金

Materials World Network: Collaborative Proposal: Understanding the Optical Response of Designer Epsilon Near Zero Materials
材料世界网络:协作提案:了解设计师 Epsilon 近零材料的光学响应
  • 批准号:
    1711849
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Materials World Network, SusChEM: Hybrid Sol-Gel Route to Chromate-free Anticorrosive Coatings
材料世界网络,SusChEM:混合溶胶-凝胶路线制备无铬酸盐防腐涂料
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    1313544
  • 财政年份:
    2014
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    $ 36.4万
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Materials World Network: Investigations of Quantum Fluctuation Relations Using Superconducting Qubits
材料世界网络:利用超导量子位研究量子涨落关系
  • 批准号:
    1312421
  • 财政年份:
    2013
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    $ 36.4万
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Materials World Network, SusChEM: Control of Interfacial Chemistry in Reactive Nanolaminates (CIREN)
材料世界网络,SusChEM:反应性纳米层压材料中界面化学的控制(CIREN)
  • 批准号:
    1312525
  • 财政年份:
    2013
  • 资助金额:
    $ 36.4万
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Materials World Network: Particle-Mediated Control Over Crystallization: From the Pre-Nucleation Stage to the Final Crystal
材料世界网络:粒子介导的结晶控制:从预成核阶段到最终晶体
  • 批准号:
    1312697
  • 财政年份:
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    $ 36.4万
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Materials World Network: New Functionality in Complex Magnetic Structures with Perpendicular Anisotropy
材料世界网络:具有垂直各向异性的复杂磁结构的新功能
  • 批准号:
    1312750
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Materials World Network, SusChEM: Collaborative Electron-lattice Dynamics at an Atomically Controlled Buried Interface
材料世界网络,SusChEM:原子控制掩埋界面的协同电子晶格动力学
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材料世界网:噼啪声
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材料世界网络:开发高效光伏器件,在广泛的光谱照明条件下实现最佳性能
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