4.8 Article

All-optical control of ferromagnetic thin films and nanostructures

Journal

SCIENCE
Volume 345, Issue 6202, Pages 1337-1340

Publisher

AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1253493

Keywords

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Funding

  1. Agence Nationale de la Recherche (ANR) [ANR-10-BLANC-1005]
  2. Office of Naval Research (ONR) Multidisciplinary University Initiative (MURI) program
  3. Advanced Storage Technology Consortium
  4. Partner University Fund Novel Magnetic Materials for Spin Torque Physics
  5. European Project [OP2M FP7-IOF-2011-298060]
  6. Region Lorraine
  7. Directorate For Engineering
  8. Div Of Chem, Bioeng, Env, & Transp Sys [1445158] Funding Source: National Science Foundation
  9. Div Of Electrical, Commun & Cyber Sys
  10. Directorate For Engineering [1405234] Funding Source: National Science Foundation

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The interplay of light and magnetism allowed light to be used as a probe of magnetic materials. Now the focus has shifted to use polarized light to alter or manipulate magnetism. Here, we demonstrate optical control of ferromagnetic materials ranging from magnetic thin films to multilayers and even granular films being explored for ultra-high-density magnetic recording. Our finding shows that optical control of magnetic materials is a much more general phenomenon than previously assumed and may have a major impact on data memory and storage industries through the integration of optical control of ferromagnetic bits.

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