Ferromagnetic resonance imaging of Co films using magnetic resonance force microscopy

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Magnetic resonance force microscope (MRFM) technique has been applied to the study of spatial imaging in thin Co ferromagnetic film. A novel approach is proposesd to improve spatial resolution in MRFM, which is limited by the broad width of Co ferromagnetic resonance (FMR) line. The authors introduce a selective local field with a small yittrium iron garnet (YIG) grain. They have performed MRFM detected FMR on a sample consisting of two sections of Co films laterally separated by {approximately}20 {micro}m. The experimental results demonstrate the scanning imaging capabilities of MRFM. The results can be understood qualitatively by means of the ... continued below

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13 p.

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Suh, B.J.; Hammel, P.C.; Zhang, Z.; Midzor, M.M.; Roukes, M.L. & Childress, J.R. July 1, 1998.

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Magnetic resonance force microscope (MRFM) technique has been applied to the study of spatial imaging in thin Co ferromagnetic film. A novel approach is proposesd to improve spatial resolution in MRFM, which is limited by the broad width of Co ferromagnetic resonance (FMR) line. The authors introduce a selective local field with a small yittrium iron garnet (YIG) grain. They have performed MRFM detected FMR on a sample consisting of two sections of Co films laterally separated by {approximately}20 {micro}m. The experimental results demonstrate the scanning imaging capabilities of MRFM. The results can be understood qualitatively by means of the calculated magnetic field and field gradient profiles generated by the YIG shere.

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13 p.

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OSTI as DE98003460

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  • 25. conference on the physics and chemistry of semiconductor interfaces, Salt Lake City, UT (United States), 18-22 Jan 1998

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  • Other: DE98003460
  • Report No.: LA-UR--98-227
  • Report No.: CONF-980107--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 661681
  • Archival Resource Key: ark:/67531/metadc703121

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  • July 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 5, 2016, 6:27 p.m.

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Suh, B.J.; Hammel, P.C.; Zhang, Z.; Midzor, M.M.; Roukes, M.L. & Childress, J.R. Ferromagnetic resonance imaging of Co films using magnetic resonance force microscopy, article, July 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc703121/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.