MRI: Acquisition of a SQUID magnetometer for analysis of advanced materials
MRI:购买 SQUID 磁力计用于分析先进材料
基本信息
- 批准号:1040006
- 负责人:
- 金额:$ 39.1万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-10-01 至 2013-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Technical Summary: Superconducting quantum interference device (SQUID) magnetometry is a non-destructive technique that reveals detailed information about the electron spin interactions in many types of materials. This project will involve a state-of-the-art SQUID magnetometer and Magnetic Property Measurement System (MPMS), which is a critical tool for characterizing several types of materials currently being investigated by researchers within the Laboratory for Surface Science & Technology (LASST) and other University of Maine (UMaine) laboratories. Specific measurement capabilities include DC and AC magnetic susceptibility, magnetoresistivity, van der Paaw conductivity, and Hall mobility. State-of-the-art MPMS capabilities will be especially valuable to several research programs at UMaine pertaining to (i) surface magnetism in nanoparticles, (ii) magnetic anisotropies in sedimentary rocks, (iii) electrical transport in physical and chemical sensing devices, (iv) optical properties of nanostructures in high magnetic fields, and (v) magnetic nanoparticle based biosensors. The MPMS will serve as a focal point for training undergraduates, graduate students, postdocs, and visiting scientists in magnetic materials, nanotechnology, biophysics, and materials science. This instrument is a critical tool for expanding the capacity of UMaine research into magnetic aspects of nanotechnology, biophysics, sensor technology, and materials science. As no SQUID magnetometer currently exists in the State of Maine, the instrumentation will provide access for research projects from interested parties throughout the state, including non-Ph.D. granting institutions and small Maine businesses. The instrument is relatively easy to operate and provides direct information on electron spin interactions, and thus it will be a powerful tool to teach physics and nanotechnology concepts to several different constituents participating in UMaine outreach activities, including K-12 students and teachers, the general public, under-represented groups, and industry partners.Layman Summary: Superconducting quantum interference device (SQUID) magnetometry is a non-destructive technique that reveals detailed information about the electron spin interactions in many types of materials. Knowledge of electron interactions in materials is extremely important in building the next generation of computers, electronics, and contrast agents in biological magnetic screening techniques (i.e. MRI). To gain the necessary information, a system with control over both the magnetic field strength and temperature is critical. To this end, a SQUID/Magnetic Property Measurement System (MPMS) is ideal for these measurements. This project will purchase a state-of-the-art MPMS system and will be especially valuable to several research programs at UMaine pertaining to surface magnetism in nanoparticles, magnetic anisotropies in sedimentary rocks, electrical transport in physical and chemical sensing devices, and magnetic nanoparticle based biosensors. The proposed MPMS will serve as a focal point for training undergraduates, graduate students, postdocs, and visiting scientists in magnetic materials, nanotechnology, biophysics, and materials science. As no SQUID magnetometer currently exists in the State of Maine, the instrumentation will provide access for research projects from interested parties throughout the state, including non-Ph.D. granting institutions and small Maine businesses. The instrument is relatively easy to operate and provides direct information on electron spin interactions, and thus it will be a powerful tool to teach physics and nanotechnology concepts to several different constituents participating in UMaine outreach activities, including K-12 students and teachers, the general public, under-represented groups, and industry partners.
技术概述:超导量子干涉装置(SQUID)是一种非破坏性技术,它揭示了许多类型材料中电子自旋相互作用的详细信息。该项目将涉及最先进的SQUID磁强计和磁性测量系统(MPMS),这是表征几种材料的关键工具,目前正在由表面科学与技术实验室(LASST)和缅因州大学(UMaine)的其他实验室的研究人员进行研究。具体的测量能力包括直流和交流磁化率、磁阻、范德堡电导率和霍尔迁移率。最先进的MPMS能力将对乌缅因州的几个研究项目特别有价值,这些项目涉及(I)纳米颗粒中的表面磁性,(Ii)沉积岩中的磁各向异性,(Iii)物理和化学传感设备中的电传输,(Iv)强磁场中纳米结构的光学性质,以及(V)基于磁性纳米颗粒的生物传感器。MPMS将作为培训本科生、研究生、博士后和访问科学家的焦点,涉及磁性材料、纳米技术、生物物理学和材料科学。该仪器是将UMaine的研究能力扩展到纳米技术、生物物理学、传感器技术和材料科学的磁性方面的关键工具。由于缅因州目前没有SQUID磁力仪,该仪器将为全州感兴趣的各方的研究项目提供通道,包括非博士授予机构和缅因州的小企业。该仪器相对容易操作,并提供有关电子自旋相互作用的直接信息,因此它将是一个强大的工具,可以向参加UMaine推广活动的几个不同成员教授物理和纳米技术概念,包括K-12学生和教师、普通公众、未被充分代表的团体和行业合作伙伴。莱曼摘要:超导量子干涉装置(SQUID)磁测量是一种非破坏性技术,可以揭示许多类型材料中电子自旋相互作用的详细信息。材料中电子相互作用的知识对于构建下一代计算机、电子学和生物磁筛选技术(即磁共振成像)中的造影剂非常重要。为了获得必要的信息,同时控制磁场强度和温度的系统是至关重要的。为此,SQUID/磁性测量系统(MPMS)是进行这些测量的理想设备。该项目将购买最先进的MPMS系统,并将对UMaine的几个研究项目特别有价值,这些项目涉及纳米颗粒中的表面磁性、沉积岩中的磁各向异性、物理和化学传感设备中的电传输以及基于磁性纳米颗粒的生物传感器。拟议的MPMS将作为培训本科生、研究生、博士后和访问科学家的焦点,涉及磁性材料、纳米技术、生物物理学和材料科学。由于缅因州目前没有SQUID磁力仪,该仪器将为全州感兴趣的各方的研究项目提供通道,包括非博士授予机构和缅因州的小企业。该仪器相对容易操作,并提供有关电子自旋相互作用的直接信息,因此它将是一个强大的工具,可以向参加UMaine推广活动的几个不同成员教授物理和纳米技术概念,包括K-12学生和教师、普通公众、代表性不足的群体和行业合作伙伴。
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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Robert Meulenberg其他文献
Robert Meulenberg的其他文献
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{{ truncateString('Robert Meulenberg', 18)}}的其他基金
Intergovernmental Mobility Assignment
政府间流动分配
- 批准号:
2050333 - 财政年份:2020
- 资助金额:
$ 39.1万 - 项目类别:
Intergovernmental Personnel Award
Surface Termination and Shape Effects on Surface Induced Magnetism in Quantum Dots
量子点表面感应磁性的表面终止和形状效应
- 批准号:
1206940 - 财政年份:2012
- 资助金额:
$ 39.1万 - 项目类别:
Continuing Grant
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