Magnetotransport in Perovskite Films and Heterostructures

钙钛矿薄膜和异质结构中的磁输运

基本信息

  • 批准号:
    0804432
  • 负责人:
  • 金额:
    $ 36.5万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2008
  • 资助国家:
    美国
  • 起止时间:
    2008-11-01 至 2013-02-28
  • 项目状态:
    已结题

项目摘要

Technical:The recent advances that enable nm-level control over the deposition of oxide heterostructures have brought the perovskites to the verge of a revolution. The extraordinary functionality of these materials provides outstanding opportunities for elucidation of new physics, the goal of the current project. The work involves the study of magnetotransport phenomena such as interfacial magnetic phase separation, charge and spin transport in novel high-mobility metals, and high electrostatically-induced charge densities at oxide interfaces. Emphasis is placed on understanding the structure, chemistry, magnetism, and transport at ferromagnetic oxide / non-ferromagnetic oxide interfaces. These studies will greatly enhance the current understanding of perovskite heterostructures, opening up new areas of application in oxide electronics, and advancing our basic understanding of complex oxide interfaces. The broader impacts include the societal benefits associated with development of technological applications, effective outreach to the public, and education and training of students and post-docs. These education and outreach activities revolve around the young scientists performing the research work, effectively integrating research, education, and outreach. Non-Technical:Oxygen is an element that is familiar to us in our daily lives. Perhaps less familiar are the chemical compounds formed by reacting metallic elements with oxygen to form solid oxides. These oxides are some of the most useful materials of current scientific interest, with applications from simple ceramics, to high-tech devices such as computer processors and hard disk drives. The perovskites are a form of oxides that have proven to be a fertile area for condensed matter physics, yielding such breakthroughs as superconductivity at high temperatures, and giant sensitivity to magnetic fields. The current project aims to exploit the remarkable magnetic and electronic properties of these materials in carefully designed nanoscale structures. These artificial structures produce physical phenomena that are not possible in naturally occurring materials, providing potential for new electronics applications, as well as advancing our understanding of the fundamental physics of magnetism. In addition to scientific research the project also involves education and training of students, as well as outreach to the public. These activities center on the involvement of the young researchers performing the bulk of the work, effectively integrating research and education in a single project.
技术:最近的进展,使纳米级控制氧化物异质结构的沉积带来了钙钛矿革命的边缘。这些材料的非凡功能为阐明新物理学提供了绝佳的机会,这也是当前项目的目标。这项工作涉及磁输运现象的研究,如界面磁相分离,电荷和自旋输运在新型高迁移率金属,高静电感应电荷密度在氧化物界面。重点放在理解铁磁氧化物/非铁磁氧化物界面的结构,化学,磁性和运输。这些研究将极大地增强目前对钙钛矿异质结构的理解,开辟氧化物电子学应用的新领域,并推进我们对复杂氧化物界面的基本理解。更广泛的影响包括与技术应用的发展、有效的公众宣传以及学生和博士后的教育和培训有关的社会效益。这些教育和推广活动围绕着从事研究工作的青年科学家,有效地将研究、教育和推广结合起来。 非技术性:氧气是我们日常生活中熟悉的元素。也许不太熟悉的是由金属元素与氧反应形成固体氧化物而形成的化合物。这些氧化物是目前科学界最有用的材料之一,从简单的陶瓷到高科技设备,如计算机处理器和硬盘驱动器。钙钛矿是氧化物的一种形式,已被证明是凝聚态物理学的一个肥沃的领域,产生了高温超导性和对磁场的巨大敏感性等突破。目前的项目旨在利用这些材料在精心设计的纳米结构中显着的磁性和电子特性。这些人工结构产生的物理现象在自然发生的材料中是不可能的,为新的电子应用提供了潜力,并促进了我们对磁性基本物理学的理解。除了科学研究外,该项目还涉及对学生的教育和培训,以及对公众的宣传。这些活动的中心是年轻研究人员的参与,他们承担了大部分工作,有效地将研究和教育结合在一个项目中。

项目成果

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Christopher Leighton其他文献

Christopher Leighton的其他文献

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{{ truncateString('Christopher Leighton', 18)}}的其他基金

Long-Range Spin Transport in Light-Metal Alloys
轻金属合金中的长程自旋输运
  • 批准号:
    2103711
  • 财政年份:
    2021
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Standard Grant
University of Minnesota Materials Research Science and Engineering Center
明尼苏达大学材料研究科学与工程中心
  • 批准号:
    2011401
  • 财政年份:
    2020
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Cooperative Agreement
Understanding Spin Diffusion Lengths in Metals and Oxides
了解金属和氧化物中的自旋扩散长度
  • 批准号:
    1807124
  • 财政年份:
    2018
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Standard Grant
Spin Transport in Metals and Oxides
金属和氧化物中的自旋输运
  • 批准号:
    1507048
  • 财政年份:
    2015
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Continuing Grant
Engineering Interface Magnetism via Defect Control in Complex Oxide Heterostructures
通过复杂氧化物异质结构中的缺陷控制来工程界面磁性
  • 批准号:
    1206278
  • 财政年份:
    2012
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Continuing Grant
MRI: Acquisition of a High Pressure Oxygen Sputtering System for Research and Education in Oxide Heterostructures
MRI:购买高压氧溅射系统用于氧化物异质结构的研究和教育
  • 批准号:
    0821256
  • 财政年份:
    2008
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Standard Grant
Magnetoelectronic Properties of Perovskite Heterostructures
钙钛矿异质结构的磁电性能
  • 批准号:
    0509666
  • 财政年份:
    2005
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Continuing Grant
Acquisition of a SQUID Magnetometer for Research and Education in Magnetic Materials
购买 SQUID 磁力计用于磁性材料的研究和教育
  • 批准号:
    0315326
  • 财政年份:
    2003
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Standard Grant
Acquisition of a Reactive Sputtering System for Magnetic Oxide Thin Film Research and Education
购置用于磁性氧化物薄膜研究和教育的反应溅射系统
  • 批准号:
    0211117
  • 财政年份:
    2002
  • 资助金额:
    $ 36.5万
  • 项目类别:
    Standard Grant

相似海外基金

Excellence in Research: Spontaneous Nucleation Strategy for High-Quality Perovskite Films
卓越的研究:高质量钙钛矿薄膜的自发成核策略
  • 批准号:
    2242467
  • 财政年份:
    2023
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    $ 36.5万
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Flexible Artificial Synaptic Devices and Their Neural Networks Based on Perovskite-Spinel Nanocomposite Thin Films
基于钙钛矿-尖晶石纳米复合薄膜的柔性人工突触装置及其神经网络
  • 批准号:
    23KJ0418
  • 财政年份:
    2023
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    $ 36.5万
  • 项目类别:
    Grant-in-Aid for JSPS Fellows
Multi-scale Investigation of the Nitride perovskite LaWN3: towards a functional integration in thin films
氮化物钙钛矿 LaWN3 的多尺度研究:实现薄膜中的功能集成
  • 批准号:
    EP/Y023412/1
  • 财政年份:
    2023
  • 资助金额:
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Fabrication of n-type halide perovskite thin films towards energy harvesting
用于能量收集的n型卤化物钙钛矿薄膜的制备
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  • 财政年份:
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    2022
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减铅钙钛矿薄膜的优化与结构研究
  • 批准号:
    576403-2022
  • 财政年份:
    2022
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I-Corps:用于钙钛矿串联太阳能电池的溶液加工高品质氧化铟锡 (ITO) 薄膜
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    2041928
  • 财政年份:
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用于辐射检测的卤化铅钙钛矿厚膜的制备和表征
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  • 财政年份:
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    $ 36.5万
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阐明金属卤化物钙钛矿半导体的构建模块从溶液到薄膜的演变(GLIMPSE)
  • 批准号:
    424394788
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  • 项目类别:
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Commercialization Support for Advanced Perovskite Films and Crystals for Stable Energy Harvesting Solar Panels and X-Ray Detectors
为用于稳定能量收集太阳能电池板和 X 射线探测器的先进钙钛矿薄膜和晶体提供商业化支持
  • 批准号:
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  • 财政年份:
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  • 资助金额:
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