Investigation of the paramagnetic phase of bcc iron using polarized neutron scattering. [Fe (4%-Si)]

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Recent neutron scattering experiments on Ni and Fe (4%-Si) above T/sub c/ have demonstrated that a simple paramagnetic scattering function S(Q..omega..) proportional to 1/(kappa/sub 1//sup 2/ + q/sup 2/).GAMMA/(GAMMA/sup 2/ + ..omega../sup 2/) can explain the persistent spin wave ridges previously reported by Lynn and Mook. We present our new polarized beam results on pure Fe and describe in some detail the special problems associated with the unpolarized beam studies of magnetic cross sections at high temperatures.

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Pages: 10

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Wicksted, J.P.; Shirane, G. & Steinsvoll, O. January 1, 1983.

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Description

Recent neutron scattering experiments on Ni and Fe (4%-Si) above T/sub c/ have demonstrated that a simple paramagnetic scattering function S(Q..omega..) proportional to 1/(kappa/sub 1//sup 2/ + q/sup 2/).GAMMA/(GAMMA/sup 2/ + ..omega../sup 2/) can explain the persistent spin wave ridges previously reported by Lynn and Mook. We present our new polarized beam results on pure Fe and describe in some detail the special problems associated with the unpolarized beam studies of magnetic cross sections at high temperatures.

Physical Description

Pages: 10

Notes

NTIS, PC A02/MF A01.

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  • MMM conference, Pittsburgh, PA, USA, 8 Nov 1983

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  • Other: DE84002857
  • Report No.: BNL-33849
  • Report No.: CONF-831187-11
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5435048
  • Archival Resource Key: ark:/67531/metadc1064414

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 1, 1983

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 23, 2018, 4:25 p.m.

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Wicksted, J.P.; Shirane, G. & Steinsvoll, O. Investigation of the paramagnetic phase of bcc iron using polarized neutron scattering. [Fe (4%-Si)], article, January 1, 1983; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1064414/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.