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Title: Long-distance propagation of short-wavelength spin waves

Abstract

Recent years have witnessed a rapidly growing interest in exploring the use of spin waves for information transmission and computation toward establishing a spin-wave-based technology that is not only significantly more energy efficient than the CMOS technology, but may also cause a major departure from the von-Neumann architecture by enabling memory-in-logic and logic-in-memory architectures. A major bottleneck of advancing this technology is the excitation of spin waves with short wavelengths, which is a must because the wavelength dictates device scalability. Here, we report the discovery of an approach for the excitation of nm-wavelength spin waves. The demonstration uses ferromagnetic nanowires grown on a 20-nm-thick Y3Fe5O12 film strip. The propagation of spin waves with a wavelength down to 50 nm over a distance of 60,000 nm is measured. The measurements yield a spin-wave group velocity as high as 2600 m s–1, which is faster than both domain wall and skyrmion motions.

Authors:
 [1];  [2];  [3];  [2]; ORCiD logo [2];  [4];  [2];  [5];  [3];  [2];  [2];  [2];  [2]; ORCiD logo [5]; ORCiD logo [5];  [6];  [7];  [2];  [2];  [3]
  1. Beihang Univ., Beijing (China); Peking Univ., Beijing (China)
  2. Beihang Univ., Beijing (China)
  3. Colorado State Univ., Fort Collins, CO (United States)
  4. Nanjing Univ. of Aeronautics and Astronautics, Nanjing (China)
  5. Peking Univ., Beijing (China)
  6. Peking Univ., Beijing (China); Southern Univ. of Science and Technology, Shenzhen (China)
  7. Beijing Normal Univ., Beijing (China)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Spins and Heat in Nanoscale Electronic Systems (SHINES)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1470168
Grant/Contract Number:  
SC0012670
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Related Information: SHINES partners with University of California, Riverside (lead); Arizona State University; Colorado State University; Johns Hopkins University; University of California Irvine; University of California Los Angeles; University of Texas at Austin; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; phonons; thermal conductivity; thermoelectric; spin dynamics; spintronics

Citation Formats

Liu, Chuanpu, Chen, Jilei, Liu, Tao, Heimbach, Florian, Yu, Haiming, Xiao, Yang, Hu, Junfeng, Liu, Mengchao, Chang, Houchen, Stueckler, Tobias, Tu, Sa, Zhang, Youguang, Zhang, Yan, Gao, Peng, Liao, Zhimin, Yu, Dapeng, Xia, Ke, Lei, Na, Zhao, Weisheng, and Wu, Mingzhong. Long-distance propagation of short-wavelength spin waves. United States: N. p., 2018. Web. doi:10.1038/s41467-018-03199-8.
Liu, Chuanpu, Chen, Jilei, Liu, Tao, Heimbach, Florian, Yu, Haiming, Xiao, Yang, Hu, Junfeng, Liu, Mengchao, Chang, Houchen, Stueckler, Tobias, Tu, Sa, Zhang, Youguang, Zhang, Yan, Gao, Peng, Liao, Zhimin, Yu, Dapeng, Xia, Ke, Lei, Na, Zhao, Weisheng, & Wu, Mingzhong. Long-distance propagation of short-wavelength spin waves. United States. https://doi.org/10.1038/s41467-018-03199-8
Liu, Chuanpu, Chen, Jilei, Liu, Tao, Heimbach, Florian, Yu, Haiming, Xiao, Yang, Hu, Junfeng, Liu, Mengchao, Chang, Houchen, Stueckler, Tobias, Tu, Sa, Zhang, Youguang, Zhang, Yan, Gao, Peng, Liao, Zhimin, Yu, Dapeng, Xia, Ke, Lei, Na, Zhao, Weisheng, and Wu, Mingzhong. Wed . "Long-distance propagation of short-wavelength spin waves". United States. https://doi.org/10.1038/s41467-018-03199-8. https://www.osti.gov/servlets/purl/1470168.
@article{osti_1470168,
title = {Long-distance propagation of short-wavelength spin waves},
author = {Liu, Chuanpu and Chen, Jilei and Liu, Tao and Heimbach, Florian and Yu, Haiming and Xiao, Yang and Hu, Junfeng and Liu, Mengchao and Chang, Houchen and Stueckler, Tobias and Tu, Sa and Zhang, Youguang and Zhang, Yan and Gao, Peng and Liao, Zhimin and Yu, Dapeng and Xia, Ke and Lei, Na and Zhao, Weisheng and Wu, Mingzhong},
abstractNote = {Recent years have witnessed a rapidly growing interest in exploring the use of spin waves for information transmission and computation toward establishing a spin-wave-based technology that is not only significantly more energy efficient than the CMOS technology, but may also cause a major departure from the von-Neumann architecture by enabling memory-in-logic and logic-in-memory architectures. A major bottleneck of advancing this technology is the excitation of spin waves with short wavelengths, which is a must because the wavelength dictates device scalability. Here, we report the discovery of an approach for the excitation of nm-wavelength spin waves. The demonstration uses ferromagnetic nanowires grown on a 20-nm-thick Y3Fe5O12 film strip. The propagation of spin waves with a wavelength down to 50 nm over a distance of 60,000 nm is measured. The measurements yield a spin-wave group velocity as high as 2600 m s–1, which is faster than both domain wall and skyrmion motions.},
doi = {10.1038/s41467-018-03199-8},
journal = {Nature Communications},
number = 1,
volume = 9,
place = {United States},
year = {Wed Feb 21 00:00:00 EST 2018},
month = {Wed Feb 21 00:00:00 EST 2018}
}

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Cited by: 146 works
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Figures / Tables:

Fig. 1 Fig. 1 : Different magnetic states in a nanopatterned magnetic heterostructure. a Sketch of an YIG (20 nm)/Ti (1 nm)/Co (25 nm) heterostructure with a coplanar waveguide (CPW) prepared on the top. The applied field H is parallel to the Co nanowires (along the y axis). b Color-coded reflection spectramore » S11 measured on the device structure shown in a. The field is set to −3000 Oe to magnetize the Co nanowires and the YIG film to saturation first and then swept from −400 Oe to 400 Oe with a field step of 2.5 Oe. The spectra have several different regions corresponding to three different magnetic states: parallel state (P), antiparallel state (AP), and random state (R). c A line plot extracted from b at a field of 400Oe. d Color-coded reflection spectra S11 with a reversed field sweeping direction, as indicated. The field is set to 3000 Oe first and then swept from 400 Oe to −400 Oe with a field step of −2.5 Oe. e TEM image of the YIG/Ti/Co heterostructure. The horizontal scale bar is 2 nm long. f SEM surface image of the heterostructure. The Co nanowires are color-coded in red and the YIG film beneath the wires are in blue. The scale bar is 500 nm long« less

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.