Rare Earth Garnets for Spintronic Research
Rare Earth Garnets for Spintronic Research
批准号:
1808190
负责人:
Caroline Ross
金额:
$45.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2018
资助国家:
美国
项目状态:
已结题
起止时间:
2018-07-15 至 2021-12-31
中文摘要
点击翻译按钮获取中文摘要
英文摘要
Non-technical abstractNew devices that can carry out memory or logic operations with low power consumption are under intense development. "Spintronic" phenomena, in which the magnetic state of a material can be controlled and detected by using an electrical signal, provide a path towards a family of such devices. This program develops novel materials and investigates their growth, structure and properties, and how their properties can be controlled. The materials are based on garnet, which is a naturally occuring oxide. The properties and behavior of the garnet can be manipulated over a wide range, leading to new opportunities in spintronic research and applications. The broader impacts of this work include the training of graduate and undergraduate students, including those who have been traditionally underrepresented in science and engineering, and the development of materials and knowledge that will contribute to room temperature spintronic devices. Public outreach is carried out via the NanoObservatory event at the Cambridge Science Festival, where the public is introduced to nanofabrication and nanotechnology at MIT, and by incorporation of modules on spintronics in free online courses. Technical abstractThis proposal addresses key issues in materials and spin physics which will point the way towards room temperature spintronic devices. Spintronic phenomena are under intense investigation due to their promise in enabling memory or logic devices with low power consumption. Ferromagnetic insulators are particularly interesting because they convey spin currents without charge currents, and exhibit low damping and high temperature functionality. One of the most prominent classes of such systems is that of iron garnets, of which the best studied is yttrium iron garnet, but substitution of rare earth ions on the Y sites enables exceptional control over the magnetic properties. The intellectual merit of this work is to develop synthesis methods and examine spin orbit torque - driven domain wall motion in iron garnet films with perpendicular magnetic anisotropy. Materials properties are designed by substituting rare earths such as thulium into the garnet structure to alter the magnetocrystalline anisotropy, magnetoelastic coefficients and lattice strain, damping and compensation temperature, and by diluting the Fe sublattices to change the net magnetization. The behavior of domain walls in garnet is probed at various temperatures during current or field pulsing, taking advantage of the high Faraday rotation and magnetooptical Kerr effect measurements even for very thin (few-nm) films where magnetometry is unsuitable, and complemented by measurements of spin Hall magnetoresistance. The broader impacts of this work include the training of graduate and undergraduate students and the development of a set of materials and an increased understanding of heterostructures that will contribute to room temperature spintronic devices. Public outreach is carried out via the NanoObservatory event at the Cambridge Science Festival, where the public is introduced to nanofabrication and nanotechnology at MIT, and by incorporation of modules on spintronics in free online courses. Given the ever-increasing diversity in the national workforce, the PI will be proactive in recruiting students who have been traditionally underrepresented in science and engineering.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.
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Crystallization and stability of dysprosium iron garnet/Pt/gadolinium gallium garnet heterostructures on Si
Si上镝铁石榴石/Pt/钆镓石榴石异质结构的结晶及其稳定性
DOI:
--
发表时间:
2022
期刊:
ACS applied electronic materials
影响因子:
4.7
作者:
[Gross, M, Bauer, J.J., Ghosh, S, Hayashi, Kensuke, Rosenberg, Ethan R., Mkhoyan, Andre K., Ross, Caroline A.]
通讯作者:
Ross, Caroline A.
DOI:
10.1103/physrevb.104.094403
发表时间:
2021-09
期刊:
Physical Review B
影响因子:
3.7
作者:
[J. Bauer;P. Quarterman;A. Grutter;Bharat Khurana;Subhajit Kundu;K. Mkhoyan;J. Borchers;C. Ross]
通讯作者:
J. Bauer;P. Quarterman;A. Grutter;Bharat Khurana;Subhajit Kundu;K. Mkhoyan;J. Borchers;C. Ross
DOI:
10.1038/s41467-020-14924-7
发表时间:
2020-02-27
期刊:
NATURE COMMUNICATIONS
影响因子:
16.6
作者:
[Caretta, Lucas, Rosenberg, Ethan, Beach, Geoffrey S. D.]
通讯作者:
Beach, Geoffrey S. D.
DOI:
10.1002/aelm.201900820
发表时间:
2019-11-28
期刊:
ADVANCED ELECTRONIC MATERIALS
影响因子:
6.2
作者:
[Bauer, Jackson J., Rosenberg, Ethan R., Ross, Caroline A.]
通讯作者:
Ross, Caroline A.
DOI:
10.1038/s41565-019-0421-2
发表时间:
2019-06-01
期刊:
NATURE NANOTECHNOLOGY
影响因子:
38.3
作者:
[Avci, Can Onur, Rosenberg, Ethan, Beach, Geoffrey S. D.]
通讯作者:
Beach, Geoffrey S. D.
共 11 条
Magnetic garnet thin films: novel properties through interface and site occupancy engineering
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批准号:2323132
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项目类别:Standard Grant
-
资助金额:$48.0万
-
财政年份:2023
-
负责人:Caroline Ross
-
依托单位:
Ferroelectricity Emerging from Antisite Defects in Complex Oxides
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批准号:2132623
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项目类别:Standard Grant
-
资助金额:$30.0万
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财政年份:2022
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负责人:Caroline Ross
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依托单位:
ECCS-EPSRC: Collaborative Research: Acoustically induced Ferromagnetic Resonance (FMR) assisted Energy Efficient Spin Torque memory devices
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批准号:2152528
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项目类别:Standard Grant
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资助金额:$25.0万
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财政年份:2022
-
负责人:Caroline Ross
-
依托单位:
PIC: CMOS-compatible, monolithic, and high-performance optical isolators on silicon
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批准号:2028199
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项目类别:Standard Grant
-
资助金额:$50.0万
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财政年份:2020
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负责人:Caroline Ross
-
依托单位:
Collaborative Research: Energy Efficient Voltage Controlled Non-volatile Domain Wall Devices for Neural Networks
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批准号:1954606
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项目类别:Standard Grant
-
资助金额:$22.5万
-
财政年份:2020
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负责人:Caroline Ross
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依托单位:
Epitaxial Ceramic Nanocomposites by Design
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批准号:1911792
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项目类别:Continuing Grant
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资助金额:$50.0万
-
财政年份:2019
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负责人:Caroline Ross
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依托单位:
Directed Self Assembly of Triblock Terpolymer Films
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批准号:1606911
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项目类别:Standard Grant
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资助金额:$36.0万
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财政年份:2016
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负责人:Caroline Ross
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依托单位:
Monolithic magneto-optical isolators for on-chip photonic integration
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批准号:1607865
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项目类别:Standard Grant
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资助金额:$40.0万
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财政年份:2016
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负责人:Caroline Ross
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依托单位:
Collaborative Research: Monolithic on-chip resonant cavity isolators for photonic integrated circuits
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批准号:1231348
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项目类别:Standard Grant
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资助金额:$25.0万
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财政年份:2012
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负责人:Caroline Ross
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依托单位:
Ferromagnetic Magnetooptical Oxides for Nonreciprocal Photonic Devices
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批准号:1104912
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项目类别:Continuing Grant
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资助金额:$65.19万
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财政年份:2011
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负责人:Caroline Ross
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依托单位:
Materials World Network: Triblock Terpolymers for Self-Assembled Nanolithography
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批准号:1007760
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项目类别:Continuing Grant
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资助金额:$36.0万
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财政年份:2010
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负责人:Caroline Ross
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依托单位:
SGER: Spin-Transfer-Torque Devices Based on Magnetostatically-Coupled Sub-50nm Structures
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批准号:0849278
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项目类别:Standard Grant
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资助金额:$20.0万
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财政年份:2008
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负责人:Caroline Ross
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依托单位:
IMR: Acquisition of Pulsed Laser Deposition System for Multicomponent and Multilayer Oxides and Student Training
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批准号:0814575
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项目类别:Standard Grant
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资助金额:$16.84万
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财政年份:2008
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负责人:Caroline Ross
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依托单位:
U.S.-Egypt Cooperative Research: Size and Shape Dependence of Exchange Bias in Ferromagnetic/Antiferromagnetic Nanoparticles For High Density Data Storage Media
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批准号:0710537
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项目类别:Standard Grant
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资助金额:$2.05万
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财政年份:2007
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负责人:Caroline Ross
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依托单位:
Materials World Network: Magnetic Properties of Mesoscopic Multilayer Rings
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批准号:0709557
-
项目类别:Continuing Grant
-
资助金额:$36.0万
-
财政年份:2007
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负责人:Caroline Ross
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依托单位:
GOALI: Magnetooptical Materials for Integrated Optical Isolators
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批准号:0604430
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项目类别:Continuing Grant
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资助金额:$34.91万
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财政年份:2006
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负责人:Caroline Ross
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依托单位:
Magnetic Rings for Memory and Logic Devices
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批准号:0322027
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项目类别:Continuing Grant
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资助金额:$30.0万
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财政年份:2003
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负责人:Caroline Ross
-
依托单位:
NIRT: Nanostructured Surfaces with Long-Range Order for Controlled Self-Assembly
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批准号:0210321
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项目类别:Continuing Grant
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资助金额:$120.0万
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财政年份:2002
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负责人:Caroline Ross
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依托单位:
Acquisition of Equipment to Upgrade a Laser Deposition System for Materials Synthesis and Student Training
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批准号:0076305
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项目类别:Standard Grant
-
资助金额:$6.06万
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财政年份:2000
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负责人:Caroline Ross
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依托单位:
CAREER: Magnetic Anisotropy in Cobalt Alloy Films used in Hard Disk Recording Media
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批准号:9875545
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项目类别:Standard Grant
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资助金额:$22.5万
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财政年份:1999
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负责人:Caroline Ross
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依托单位:
国内基金
海外基金
基于Google Earth Engine云平台的遥感图像去云研究
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批准号:
-
项目类别:省市级项目
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资助金额:10.0万元
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批准年份:2021
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负责人:徐萌
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依托单位:
SCIENCE CHINA: Earth Sciences
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批准号:41224003
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项目类别:专项基金项目
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资助金额:24.0万元
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批准年份:2012
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负责人:魏建晶
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依托单位:
SCIENCE CHINA Earth Sciences(中国科学:地球科学)
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批准号:41024801
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项目类别:专项基金项目
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资助金额:24.0万元
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批准年份:2010
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负责人:魏建晶
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依托单位: