MRI: Development of a Scanning Single-Electron Box Electrometer Microscope for Studying Materials for Quantum Science and Technology

MRI:开发用于研究量子科学和技术材料的扫描单电子盒静电计显微镜

基本信息

  • 批准号:
    2117438
  • 负责人:
  • 金额:
    $ 42万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-09-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

Nontechnical Description:Characterization of electrical properties of materials in nanometer scale dimensions has become crucial in a broad range of fundamental and applied research fields ranging from chemistry to physics to quantum computation. In particular, the electrostatic potential profile and electric charge distribution is of fundamental importance in nanoscale electronic devices including quantum devices. This project develops a novel scanning probe microscope for pioneering extremely sensitive measurements of electric potential/charge with sub-nanometer spatial resolution. The developed instrument will be used to study a wide range of advanced materials and novel devices. Graduate and undergraduate students participate in the science of precision instrumentation development and research. The status of Texas State University as a Hispanic Serving Institution increases the likelihood of participation of underrepresented minorities in the research activities.Technical Description:This Major Research Instrumentation (MRI) grant supports the development of a scanning single-electron box electrometer microscope, which is based on an atomic force microscope and an integrated single-electron box with its probe tip that serves as a sensitive charge sensor. It enables detection of extremely small quantities of electric charge and electric potential and provides the spatial map of electric potential/charge with sub-nanometer spatial resolution. The outcome of the project will be a cryogenic atomic force microscope with an extremely high electric charge/potential sensitivity. The instrument is designed to operate with samples at temperature as low as 20 mK and in magnetic fields up to 9 T in a cryogen-free dilution refrigerator. It will be used to investigate the charge state of individual quantum dots for quantum computers and novel electronic states in two-dimensional materials/electronic systems, topological insulators, and superconductors.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
非技术描述:在纳米尺度尺度上表征材料的电性能在从化学到物理到量子计算的广泛基础和应用研究领域中变得至关重要。特别是静电势分布和电荷分布在包括量子器件在内的纳米级电子器件中具有重要的基础意义。该项目开发了一种新型扫描探针显微镜,用于亚纳米空间分辨率的电势/电荷极其敏感的测量。所开发的仪器将用于研究广泛的先进材料和新型器件。研究生和本科生参与精密仪器科学的开发和研究。德克萨斯州立大学作为拉美裔服务机构的地位增加了代表性不足的少数民族参与研究活动的可能性。技术描述:这项主要研究仪器(MRI)资助支持扫描单电子盒静电计显微镜的开发,该显微镜基于原子力显微镜和集成的单电子盒,其探针尖端可作为敏感电荷传感器。它可以检测极少量的电荷和电势,并提供亚纳米空间分辨率的电势/电荷空间图。该项目的成果将是一个具有极高电荷/电位灵敏度的低温原子力显微镜。该仪器设计用于样品在低至20 mK的温度和高达9 T的磁场下在无低温稀释冰箱中工作。它将用于研究量子计算机中单个量子点的电荷状态,以及二维材料/电子系统、拓扑绝缘体和超导体中的新型电子状态。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(1)
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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Yoichi Miyahara其他文献

Two cases of adult varicella accompanied by hepatic dysfunction.
成人水痘伴肝功能障碍2例。

Yoichi Miyahara的其他文献

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{{ truncateString('Yoichi Miyahara', 18)}}的其他基金

CAREER: Characterization of quantum dot qubits by scannable mechanical resonator
职业:通过可扫描机械谐振器表征量子点量子位
  • 批准号:
    2044920
  • 财政年份:
    2021
  • 资助金额:
    $ 42万
  • 项目类别:
    Continuing Grant

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