MRI: Acquisition of a Cryogen-free dilution refrigerator with a 12 T magnet
MRI:购买带有 12 T 磁铁的无冷冻剂稀释冰箱
基本信息
- 批准号:1126061
- 负责人:
- 金额:$ 43.6万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2011
- 资助国家:美国
- 起止时间:2011-10-01 至 2015-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
AbstractIntellectual Merit -- The goal of this project is to acquire and set up a cryogen-free dilution refrigerator with a base temperature of about 0.010 Kelvin and a superconducting magnet with a maximum field of 12 Tesla. This equipment will be shared by eight Principal Investigators and collaborators, and will be used by their graduate and undergraduate students, post-docs and research staff. It will be initially devoted to measurements of electronic properties of low-dimensional semiconductor structures, topological insulators, and graphene. All these material systems are at the forefront of current, fundamental solid state physics and device research. They also have potential transformative applications, e.g., in quantum computing and information processing. The cryogen-free system will enhance the research on these materials in several crucial ways: (1) It will allow measurements at low temperatures and in tilted magnetic fields to learn exciting new physics. (2) Because the operation of the proposed equipment is much simpler than the conventional dilution refrigerators, it will tremendously enhance the efficiency of the measurements and research progress. (3) It will allow the inclusion of undergraduate students in research projects more easily. (4) It will replace our existing equipment which is instrumental to our research but is over 20 years old, has frequent problems, and does not reach below about 0.03 Kelvin. (5) Each year it will save over $100,000 worth of materials (liquid Helium) cost. This will have a huge impact on the ability to make measurements and produce new results more efficiently. (6) It will save Helium, a precious noble gas.Broader Impacts -- The impact of the proposed project will be seen in the scientific community and beyond. Results of the research will be communicated through publications and conference presentations to the specialized as well as general science and engineering communities. While the subject of this project is fundamental, progress in this area will benefit society in the long term as it may lead to novel, transformative concepts for electronic materials and devices and information processing systems whose operation relies on quantum and/or interaction phenomena. The project incorporates a high quality and comprehensive educational component. The PIs are dedicated to the education of both graduate and undergraduate students. They all have typically small groups (4 to 6) of students, and their belief is that doing good quality research, with close supervision, is the best way to teach beyond textbooks and problem sets. The project will therefore result in the education of students in critical, state-of-the art areas of science and technology, including the fabrication, characterization, and physics of high quality layered semiconductor structures and other novel materials such as topological insulators and graphene. Well-trained students in these fields will be invaluable resources for the US as well as for the rest of the world. The PIs will also make every effort to attract to this project students from underrepresented groups.The PIs are committed to a broader education of the public in science and engineering. Some of the topics and results of this project will be incorporated into undergraduate and graduate courses that they teach at Princeton University. The PIs will also participate in various K-12 demonstrations and teacher training programs in electricity and magnetism and in cryogenic temperatures, general areas that are closely linked to the topic of this proposal. These activities include training sessions, kit development, and demonstrations at regional schools and at Princeton University.
摘要智力优点——该项目的目标是获得并建立一个基础温度约为0.010开尔文的无制冷剂稀释制冷机和最大磁场为12特斯拉的超导磁体。该设备将由八名首席研究员和合作者共享,并由他们的研究生和本科生、博士后和研究人员使用。它将最初致力于测量低维半导体结构、拓扑绝缘体和石墨烯的电子特性。所有这些材料系统都处于当前基础固体物理和器件研究的前沿。它们还具有潜在的变革性应用,例如在量子计算和信息处理中。 无冷冻剂系统将从几个关键方面加强对这些材料的研究:(1)它将允许在低温和倾斜磁场中进行测量,以了解令人兴奋的新物理。 (2)由于该设备的操作比传统的稀释制冷机简单得多,因此将极大地提高测量效率和研究进展。 (3)将使本科生更容易参与研究项目。 (4) 它将取代我们现有的设备,这些设备对我们的研究很有帮助,但已有 20 多年的历史,经常出现问题,并且达不到 0.03 开尔文以下。 (5) 每年可节省价值超过10万美元的材料(液氦)成本。这将对更有效地进行测量和产生新结果的能力产生巨大影响。 (6) 它将节省氦气,一种珍贵的惰性气体。更广泛的影响——拟议项目的影响将在科学界和其他领域看到。 研究结果将通过出版物和会议演讲向专业和一般科学和工程界传达。虽然该项目的主题是基础性的,但从长远来看,该领域的进展将使社会受益,因为它可能会为电子材料和设备以及信息处理系统带来新颖的、变革性的概念,这些系统的运行依赖于量子和/或相互作用现象。该项目包含高质量和全面的教育内容。 PI 致力于研究生和本科生的教育。 他们都有典型的小团体(4 到 6 名)学生,他们相信在密切监督下进行高质量的研究是超越教科书和问题集的最佳教学方式。 因此,该项目将在关键的、最先进的科学技术领域对学生进行教育,包括高质量层状半导体结构和拓扑绝缘体和石墨烯等其他新型材料的制造、表征和物理。这些领域训练有素的学生将成为美国以及世界其他地区的宝贵资源。 PI 还将尽一切努力吸引来自代表性不足群体的学生加入该项目。PI 致力于对公众进行更广泛的科学和工程教育。该项目的一些主题和结果将被纳入他们在普林斯顿大学教授的本科生和研究生课程中。 PI 还将参加各种 K-12 演示和教师培训计划,涉及电学、磁学和低温等与本提案主题密切相关的一般领域。这些活动包括培训课程、套件开发以及在地区学校和普林斯顿大学的演示。
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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Mansour Shayegan其他文献
MBE成長MgZnO/ZnO界面における2DEGの電子有効質量と有効g因子の積(g^* m^*)の見積もり
估计 MBE 生长的 MgZnO/ZnO 界面处 2DEG 的电子有效质量和有效 g 因子 (g^* m^*) 的乘积
- DOI:
- 发表时间:
2008 - 期刊:
- 影响因子:0
- 作者:
塚崎敦;大友明;赤坂俊輔;湯地洋行;田村謙太郎.中原健;田辺哲弘;神澤公;Shavani Javad;Gokmen Tayfun;Mansour Shayegan;川崎雅司 - 通讯作者:
川崎雅司
Mansour Shayegan的其他文献
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{{ truncateString('Mansour Shayegan', 18)}}的其他基金
Probing Exotic Phases of Ultra High Mobility Two-Dimensional Electrons
探测超高迁移率二维电子的奇异相
- 批准号:
2104771 - 财政年份:2021
- 资助金额:
$ 43.6万 - 项目类别:
Standard Grant
Electronic spin and valley degrees of freedom - based novel quantum devices
基于电子自旋和谷自由度的新型量子器件
- 批准号:
1906253 - 财政年份:2019
- 资助金额:
$ 43.6万 - 项目类别:
Standard Grant
Probing Exotic Phases of Two-dimensional Electrons in Unconventional Systems
探测非常规系统中二维电子的奇异相
- 批准号:
1709076 - 财政年份:2018
- 资助金额:
$ 43.6万 - 项目类别:
Continuing Grant
Toward Spin- and Valleytronic Devices
迈向自旋和谷电子器件
- 批准号:
1508925 - 财政年份:2015
- 资助金额:
$ 43.6万 - 项目类别:
Standard Grant
Interacting Two-dimensional Electrons in Unconventional Systems
非常规系统中二维电子的相互作用
- 批准号:
1305691 - 财政年份:2013
- 资助金额:
$ 43.6万 - 项目类别:
Continuing Grant
Ballistic Transport in 2D Carrier Systems: Role of Spin and Valley Degrees of Freedom
二维载体系统中的弹道输运:自旋和谷自由度的作用
- 批准号:
1001719 - 财政年份:2010
- 资助金额:
$ 43.6万 - 项目类别:
Standard Grant
Two-Dimensional Electron Systems in AlAs Quantum Wells: Fabrication and Physics
AlAs 量子阱中的二维电子系统:制造和物理
- 批准号:
0904117 - 财政年份:2009
- 资助金额:
$ 43.6万 - 项目类别:
Continuing Grant
Spin Dependent Ballistic and Phase Coherent Transport in 2D Carrier Systems
二维载体系统中的自旋相关弹道和相位相干传输
- 批准号:
0701550 - 财政年份:2007
- 资助金额:
$ 43.6万 - 项目类别:
Standard Grant
Fabrication and Physics of Electron Systems in AlAs Quantum Wells
AlAs 量子井中电子系统的制造和物理
- 批准号:
0502477 - 财政年份:2005
- 资助金额:
$ 43.6万 - 项目类别:
Continuing Grant
Ballistic Spin Transport in 2D Carrier Systems
二维载体系统中的弹道自旋输运
- 批准号:
0400661 - 财政年份:2004
- 资助金额:
$ 43.6万 - 项目类别:
Standard Grant
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