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词条 Spinplasmonics
释义

  1. See also

  2. References

  3. Further reading

{{Context|date=October 2009}}Spinplasmonics is a field of nanotechnology combining spintronics and plasmonics. The field was pioneered by Professor Abdulhakem Elezzabi at the University of Alberta in Canada. In a simple spinplasmonic device, light waves couple to electron spin states in a metallic structure. The most elementary spinplasmonic device consists of a bilayer structure made from magnetic and nonmagnetic metals. It is the nanometer scale interface between such metals that gives rise to an electron spin phenomenon. The plasmonic current is generated by optical excitation and its properties are manipulated by applying a weak magnetic field. Electrons with a specific spin state can cross the interfacial barrier, but those with a different spin state are impeded. Essentially, switching operations are performed with the electrons spin and then sent out as a light signal.[1][2]

Spinplasmonic devices potentially have the advantages of high speed, miniaturization, low power consumption, and multifunctionality. On a lengthscale that is less than a single magnetic domain size, the interaction between atomic spins realigns the magnetic moments. Unlike semiconductor-based devices, smaller spinplasmonics devices are expected to be more efficient in transporting the spin-polarized electron current.[3]

See also

  • Plasmon
  • Spintronics
  • Spin pumping
  • Spin transfer
  • List of emerging technologies
{{colend}}

References

  • A. Y. Elezzabi. (December 2007). "The dawn of spinplasmonics". Nano Today 2 (6), p. 48. {{doi|10.1016/S1748-0132(07)70174-3}}
1. ^{{Cite news|url=https://www.zdnet.com/article/the-birth-of-spinplasmonics/|title=The birth of spinplasmonics {{!}} ZDNet|last=Piquepaille|first=Roland|date=2007-05-31|work=ZDNet|access-date=2018-10-10|archive-url=https://web.archive.org/web/20181010002844/https://www.zdnet.com/article/the-birth-of-spinplasmonics/|archive-date=2018-10-09|dead-url=no|language=en}}
2. ^{{Cite news|url=https://phys.org/news/2007-06-spinplasmonics-nanotechnology-field.html|title='Spinplasmonics': Researchers create new nanotechnology field|last=|first=|date=2007-06-15|work=Phys.org|access-date=2018-11-04|archive-url=https://web.archive.org/web/20181104191123/https://phys.org/news/2007-06-spinplasmonics-nanotechnology-field.html|archive-date=2018-11-04|dead-url=no}}
3. ^{{Cite journal|last=Elezzabi|first=A. Y.|date=2007-09-13|title=Spinplasmonics: a new route for active plasmonics|url=https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6641/1/Spinplasmonics-a-new-route-for-active-plasmonics/10.1117/12.745464.short?SSO=1|journal=Plasmonics: Metallic Nanostructures and Their Optical Properties V|publisher=SPIE|volume=6641|doi=10.1117/12.745464}}

Further reading

  • Press release from the University of Alberta
  • Spinplasmonics: a new route for active plasmonics
  • {{Cite thesis|last=Baron|first=Corey Allan|title=Terahertz Spinplasmonic Devices|date=Fall 2009|degree=Master of Science|publisher=University of Alberta|url=https://era.library.ualberta.ca/items/90327eea-7518-4a81-82ec-63381e1ed605/view/c1509ab1-dbb4-496b-a3f4-69217b85c2f4/Baron_Corey_Fall2009.pdf|format=PDF}}
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3 : Spintronics|Condensed matter physics|Plasma physics
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