Magnetic excitations in a random exchange system Fe{sub x}Mn{sub 1-x}TiO{sub 3}

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In order to examine the influence of exchange frustration on spin wave excitations, inelastic neutron scattering experiments have been performed on a random exchange system Fe{sub x}Mn{sub l-x}TiO{sub 3} with x = 0.00, 0.10, 0.25 and 0.33. For all three mixed systems, the magnetic excitation spectra consist of two components: a well-defined spin wave component and a broad damped component. The latter can be well fitted to a spectral weight function for a damped harmonic oscillator.

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10 p.

Creation Information

Kawano, H.; Yoshizawa, H.; Nicklow, R.M. & Ito, A. August 24, 1994.

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  • Kawano, H.
  • Yoshizawa, H. Tokyo Univ., Minato-ku, Tokyo (Japan). Inst. for Solid State Physics
  • Nicklow, R.M. Oak Ridge National Lab., TN (United States)
  • Ito, A. Ochanomizu Univ., Bunkyo-ku, Tokyo (Japan). Dept. of Physics

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Description

In order to examine the influence of exchange frustration on spin wave excitations, inelastic neutron scattering experiments have been performed on a random exchange system Fe{sub x}Mn{sub l-x}TiO{sub 3} with x = 0.00, 0.10, 0.25 and 0.33. For all three mixed systems, the magnetic excitation spectra consist of two components: a well-defined spin wave component and a broad damped component. The latter can be well fitted to a spectral weight function for a damped harmonic oscillator.

Physical Description

10 p.

Notes

INIS; OSTI as DE95006626

Source

  • 41. Yamada conference on neutron scattering, Sendai (Japan), 11-14 Oct 1994

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  • Other: DE95006626
  • Report No.: CONF-9410165--13
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 42828
  • Archival Resource Key: ark:/67531/metadc685630

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  • August 24, 1994

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Jan. 25, 2016, 8:06 p.m.

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Kawano, H.; Yoshizawa, H.; Nicklow, R.M. & Ito, A. Magnetic excitations in a random exchange system Fe{sub x}Mn{sub 1-x}TiO{sub 3}, article, August 24, 1994; Tennessee. (digital.library.unt.edu/ark:/67531/metadc685630/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.