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Spintronics XII最新文献

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Spintronics theory without spin current (Conference Presentation) 没有自旋电流的自旋电子学理论(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2528093
G. Tatara
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引用次数: 0
Ultrafast magnetization dynamics and spin transport in nano-sized materials: recent theoretical progress (Conference Presentation) 纳米材料的超快磁化动力学和自旋输运:最新理论进展(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2530980
P. Oppeneer
{"title":"Ultrafast magnetization dynamics and spin transport in nano-sized materials: recent theoretical progress (Conference Presentation)","authors":"P. Oppeneer","doi":"10.1117/12.2530980","DOIUrl":"https://doi.org/10.1117/12.2530980","url":null,"abstract":"","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115964946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studying pure spin currents in weakly spin-orbit coupled materials using the pulsed ferromagnetic resonance driven inverse spin-Hall effect (Conference Presentation) 利用脉冲铁磁共振驱动逆自旋霍尔效应研究弱自旋轨道耦合材料中的纯自旋电流(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2529892
C. Boehme, M. Kavand, K. V. Schooten, D. Sun, H. Malissa, Chuang Zhang, M. Groesbeck, Z. Vardeny
{"title":"Studying pure spin currents in weakly spin-orbit coupled materials using the pulsed ferromagnetic resonance driven inverse spin-Hall effect (Conference Presentation)","authors":"C. Boehme, M. Kavand, K. V. Schooten, D. Sun, H. Malissa, Chuang Zhang, M. Groesbeck, Z. Vardeny","doi":"10.1117/12.2529892","DOIUrl":"https://doi.org/10.1117/12.2529892","url":null,"abstract":"","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128179063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Probing carrier dynamics with THz time-domain and emission microscopy (Conference Presentation) 用太赫兹时域和发射显微镜探测载流子动力学(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2529938
P. Klarskov
{"title":"Probing carrier dynamics with THz time-domain and emission microscopy (Conference Presentation)","authors":"P. Klarskov","doi":"10.1117/12.2529938","DOIUrl":"https://doi.org/10.1117/12.2529938","url":null,"abstract":"","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132493241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Emerging concepts in magnetic computing: from topological excitations to stochastic computing (Conference Presentation) 磁计算中的新兴概念:从拓扑激励到随机计算(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2530140
Avik W. Ghosh
{"title":"Emerging concepts in magnetic computing: from topological excitations to stochastic computing (Conference Presentation)","authors":"Avik W. Ghosh","doi":"10.1117/12.2530140","DOIUrl":"https://doi.org/10.1117/12.2530140","url":null,"abstract":"With increasing demand for low-power embedded electronics for Internet of Things (IoT) applications, nanomagnetic devices have emerged as strong potential candidates to complement present day electronics. A variety of novel switching effects such as Spin Transfer Torque (STT), Spin Orbit Torque (SOT) and Giant Spin Hall Effect (GSHE) offer complementary ways to manipulate nano-sized magnets. However, the low intrinsic energy cost of switching spins is often compromised by the energy consumed in the overhead circuitry in creating the necessary switching fields. In fact, the two major challenges are size scalability – limited by the superparamagnetic limit, and the energy-delay-reliability cost, limited by spin stagnation in STT devices and defect pinning in SOT driven domain wall devices. We discuss two possible alternatives that attempt to bypass these limits. Skyrmions stabilized in thin magnetic films can bypass the super-paramagnetic limit and carry information bits with added protection accorded by size and topological barrier. We present candidate ferrimagnetic materials with low saturation magnetization and damping needed to enable ultrafast room temperature soliton like skyrmion propagation. A different solution at a systems level is to design interconnected low-barrier soft magnets with controlled stochastic dynamics that can be used to realize analog or digital hardware neurons. We show how such analog neurons can directly implement Reservoir Computing for temporal inferencing, tracking and real time pattern recognition.","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130040036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Control of magnetization dynamics by spin-Nernst torque (Conference Presentation) 利用自旋能转矩控制磁化动力学(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2529941
A. Bose, A. S. Shukla, S. Dutta, S. Bhuktare, Hanuman Singh, V. Achanta, A. Tulapurkar
{"title":"Control of magnetization dynamics by spin-Nernst torque (Conference Presentation)","authors":"A. Bose, A. S. Shukla, S. Dutta, S. Bhuktare, Hanuman Singh, V. Achanta, A. Tulapurkar","doi":"10.1117/12.2529941","DOIUrl":"https://doi.org/10.1117/12.2529941","url":null,"abstract":"","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130383368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of parafermion-supporting platform based on fractional quantum Hall spin transitions (Conference Presentation) 基于分数阶量子霍尔自旋跃迁的粒子支撑平台的开发(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2531364
L. Rokhinson, Tai-Hung Wu, Zhong Wan, A. Kazakov, Ying Wang, G. Simion, Jingcheng Liang, K. West, K. Baldwin, L. Pfeiffer, Y. Lyanda-Geller
{"title":"Development of parafermion-supporting platform based on fractional quantum Hall spin transitions (Conference Presentation)","authors":"L. Rokhinson, Tai-Hung Wu, Zhong Wan, A. Kazakov, Ying Wang, G. Simion, Jingcheng Liang, K. West, K. Baldwin, L. Pfeiffer, Y. Lyanda-Geller","doi":"10.1117/12.2531364","DOIUrl":"https://doi.org/10.1117/12.2531364","url":null,"abstract":"","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133372339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spin-orbit torque in ferromagnet/heavy-metal bilayers from first principles (Conference Presentation) 基于第一性原理的铁磁体/重金属双层层的自旋轨道转矩(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2531329
K. Belashchenko, A. Kovalev, M. Schilfgaarde
{"title":"Spin-orbit torque in ferromagnet/heavy-metal bilayers from first principles (Conference Presentation)","authors":"K. Belashchenko, A. Kovalev, M. Schilfgaarde","doi":"10.1117/12.2531329","DOIUrl":"https://doi.org/10.1117/12.2531329","url":null,"abstract":"The angular dependence of spin-orbit torque in disordered ferromagnet/heavy-metal bilayers is calculated using a first-principles nonequilibrium Green's function formalism with an explicit supercell disorder averaging. We consider Co/Pt, Co/Au, and Co/Pd bilayers with varying thicknesses and disorder strengths. In addition to the usual dampinglike and fieldlike terms, the odd torque contains a sizable planar Hall-like term (m⋅E)m×(z×m) whose contribution to current-induced damping is consistent with experimental observations. The dampinglike torquance depends weakly on disorder strength, suggesting that it is dominated by the intrinsic mechanism. The fieldlike torquance declines with increasing disorder, consistent with the inverse spin-galvanic effect being dominant. It is found that the torques that contribute to damping are almost entirely due to spin-orbit coupling on the Pt atoms, but the fieldlike torque does not require it. The calculated thickness dependence suggests that the dampinglike torque has a bulk-like contribution due to the spin-Hall effect and an interfacial contribution of a comparable magnitude.","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133982934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of shape and defects on vortex-based TMR sensors (Conference Presentation) 形状和缺陷对涡流TMR传感器的影响(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2530911
S. Dounia, C. Baraduc, M. Mouchel, J. Herault, J. Childress, L. Lombard, L. Prejbeanu
{"title":"Effect of shape and defects on vortex-based TMR sensors (Conference Presentation)","authors":"S. Dounia, C. Baraduc, M. Mouchel, J. Herault, J. Childress, L. Lombard, L. Prejbeanu","doi":"10.1117/12.2530911","DOIUrl":"https://doi.org/10.1117/12.2530911","url":null,"abstract":"","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114316083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and fabrication of high performance spintronic sensors (Conference Presentation) 高性能自旋电子传感器的设计与制造(会议报告)
Spintronics XII Pub Date : 2019-09-10 DOI: 10.1117/12.2529784
Weisheng Zhao
{"title":"Design and fabrication of high performance spintronic sensors (Conference Presentation)","authors":"Weisheng Zhao","doi":"10.1117/12.2529784","DOIUrl":"https://doi.org/10.1117/12.2529784","url":null,"abstract":"","PeriodicalId":420411,"journal":{"name":"Spintronics XII","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122687934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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