Coherent Control of Topologically Protected Spin Currents
拓扑保护自旋电流的相干控制
基本信息
- 批准号:RTI-2017-00033
- 负责人:
- 金额:$ 8.73万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Research Tools and Instruments
- 财政年份:2016
- 资助国家:加拿大
- 起止时间:2016-01-01 至 2017-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This proposal is for the purchase of an Optical Parametric Amplifier for the generation of tunable coherent photons in the infrared, a Near Infrared Spectrometer, and a few additional key optical components. This new equipment will complement the world-class infrastructure for angle-, spin-, and time-resolved photoelectron spectroscopy established by Damascelli, Jones, and Sawatzky in the Quantum Materials Laboratory at UBC, and enable us to develop a novel experimental technique for the coherent control of spin-polarized currents, broadly considered to be the holy grail in the field of spintronics.
The focus of our research effort is the understanding, control, and exploitation of the magnetic and electronic properties of quantum materials, and among them topological insulators which - owing to the presence of a spin-polarized and topologically-protected surface state (TSS) - hold great promise for spintronic applications. We have already successfully explored, at both theoretical and experimental level, the orbital and magnetic texture of the archetypical topological insulator Bi2Se3. The next step towards gaining full spin-polarization control is to develop techniques that will allow us to populate and coherently control the occupation of the TSS, and in turn generate and manipulate spin-polarized electrical currents.
To this end, we have recently identified a new pathway towards achieving coherent control of topologically protected spin currents in topological insulators, based on the utilization of a tunable two-color photoexcitation scheme. However, the laboratory is missing key equipment needed to achieve the correct conditions under which this spin-polarized current can be generated - and eventually visualized with our state-of-the-art infrastructure. Combining the latter with the requested equipment, we aim to experimentally demonstrate - for the fist time - the coherent control of the TSS occupation and of the associated spin-polarized currents.
本提案是购买一个光学参量放大器,用于产生可调谐的红外相干光子,一个近红外光谱仪,以及一些额外的关键光学元件。这台新设备将补充由Damascelli、Jones和Sawatzky在UBC量子材料实验室建立的世界一流的角度、自旋和时间分辨光电子能谱基础设施,并使我们能够开发一种新的实验技术,用于自旋极化电流的相干控制,这被广泛认为是自旋电子学领域的圣杯。
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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Damascelli, Andrea其他文献
Computational framework chinook for angle-resolved photoemission spectroscopy
- DOI:
10.1038/s41535-019-0194-8 - 发表时间:
2019-11-01 - 期刊:
- 影响因子:5.7
- 作者:
Day, Ryan P.;Zwartsenberg, Berend;Damascelli, Andrea - 通讯作者:
Damascelli, Andrea
Fano interference between collective modes in cuprate high-T(c) superconductors.
铜酸盐高温(c)超导体中集体模式之间的法诺干涉。
- DOI:
10.1038/s41467-023-36787-4 - 发表时间:
2023-03-11 - 期刊:
- 影响因子:16.6
- 作者:
Chu, Hao;Kovalev, Sergey;Wang, Zi Xiao;Schwarz, Lukas;Dong, Tao;Feng, Liwen;Haenel, Rafael;Kim, Min-Jae;Shabestari, Parmida;Hoang, Le Phuong;Honasoge, Kedar;Dawson, Robert David;Putzky, Daniel;Kim, Gideok;Puviani, Matteo;Chen, Min;Awari, Nilesh;Ponomaryov, Alexey N.;Ilyakov, Igor;Bluschke, Martin;Boschini, Fabio;Zonno, Marta;Zhdanovich, Sergey;Na, Mengxing;Christiani, Georg;Logvenov, Gennady;Jones, David J.;Damascelli, Andrea;Minola, Matteo;Keimer, Bernhard;Manske, Dirk;Wang, Nanlin;Deinert, Jan-Christoph;Kaiser, Stefan - 通讯作者:
Kaiser, Stefan
Probing the electronic structure of complex systems by ARPES
- DOI:
10.1238/physica.topical.109a00061 - 发表时间:
2004-01-01 - 期刊:
- 影响因子:2.9
- 作者:
Damascelli, Andrea - 通讯作者:
Damascelli, Andrea
Charge ordering in the electron-doped superconductor Nd2-xCexCuO4
- DOI:
10.1126/science.1256441 - 发表时间:
2015-01-16 - 期刊:
- 影响因子:56.9
- 作者:
da Silva Neto, Eduardo H.;Comin, Riccardo;Damascelli, Andrea - 通讯作者:
Damascelli, Andrea
Comparative Electronic Structures of the Chiral Helimagnets Cr(1/3)NbS(2) and Cr(1/3)TaS(2).
- DOI:
10.1021/acs.chemmater.3c01564 - 发表时间:
2023-09-12 - 期刊:
- 影响因子:8.6
- 作者:
Xie, Lilia S. S.;Gonzalez, Oscar;Li, Kejun;Michiardi, Matteo;Gorovikov, Sergey;Ryu, Sae Hee;Fender, Shannon S.;Zonno, Marta;Jo, Na Hyun;Zhdanovich, Sergey;Jozwiak, Chris;Bostwick, Aaron;Husremovic, Samra;Erodici, Matthew P.;Mollazadeh, Cameron;Damascelli, Andrea;Rotenberg, Eli;Ping, Yuan;Bediako, D. Kwabena - 通讯作者:
Bediako, D. Kwabena
Damascelli, Andrea的其他文献
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{{ truncateString('Damascelli, Andrea', 18)}}的其他基金
Electronic Structure of Quantum Materials
量子材料的电子结构
- 批准号:
CRC-2014-00021 - 财政年份:2022
- 资助金额:
$ 8.73万 - 项目类别:
Canada Research Chairs
Electronic Structure of Quantum Materials
量子材料的电子结构
- 批准号:
CRC-2021-00150 - 财政年份:2022
- 资助金额:
$ 8.73万 - 项目类别:
Canada Research Chairs
Coherent exploration and manipulation of quantum materials
量子材料的相干探索和操纵
- 批准号:
RGPIN-2018-04865 - 财政年份:2022
- 资助金额:
$ 8.73万 - 项目类别:
Discovery Grants Program - Individual
In situ study of strain- and field-induced phases of quantum matter at the CLS-QMSC Beamline
在 CLS-QMSC 光束线上对量子物质的应变和场诱导相进行原位研究
- 批准号:
RTI-2022-00114 - 财政年份:2021
- 资助金额:
$ 8.73万 - 项目类别:
Research Tools and Instruments
Electronic Structure Of Quantum Materials
量子材料的电子结构
- 批准号:
CRC-2014-00021 - 财政年份:2021
- 资助金额:
$ 8.73万 - 项目类别:
Canada Research Chairs
Coherent exploration and manipulation of quantum materials
量子材料的相干探索和操纵
- 批准号:
RGPIN-2018-04865 - 财政年份:2021
- 资助金额:
$ 8.73万 - 项目类别:
Discovery Grants Program - Individual
Coherent exploration and manipulation of quantum materials
量子材料的相干探索和操纵
- 批准号:
DGDND-2018-00007 - 财政年份:2020
- 资助金额:
$ 8.73万 - 项目类别:
DND/NSERC Discovery Grant Supplement
Electronic Structure of Quantum Materials
量子材料的电子结构
- 批准号:
1000230643-2014 - 财政年份:2020
- 资助金额:
$ 8.73万 - 项目类别:
Canada Research Chairs
Coherent exploration and manipulation of quantum materials
量子材料的相干探索和操纵
- 批准号:
RGPIN-2018-04865 - 财政年份:2020
- 资助金额:
$ 8.73万 - 项目类别:
Discovery Grants Program - Individual
Cost-effective continuous operation of the CLS-QMSC Beamline at cryogenic temperatures
CLS-QMSC Beamline 在低温下经济高效地连续运行
- 批准号:
RTI-2021-00244 - 财政年份:2020
- 资助金额:
$ 8.73万 - 项目类别:
Research Tools and Instruments
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