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Spin-lattice interactions studied by polarised and unpolarised inelastic scattering application to the invar problem

Abstract

A semi-quantitative analysis is given of some of the ways in which spin-lattice interactions can modify the cross-sections observable in neutron scattering experiments. This analysis is applied to the scattering from the invar alloy Fe{sub 65}Ni{sub 35} using a model in which the magnetic moment is a function of the near neighbour separation. This model has been applied to clarify the results of inelastic scattering experiments carried out on Fe{sub 65}Ni{sub 35} using both polarised and unpolarised neutrons. The extra information obtainable using polarised neutrons as well as the difficulties and limitations of the technique for inelastic scattering are discussed. (author) 8 figs., 14 refs.
Authors:
Brown, P J [1] 
  1. Institut Max von Laue - Paul Langevin (ILL), 38 - Grenoble (France)
Publication Date:
Nov 01, 1996
Product Type:
Miscellaneous
Report Number:
PSI-PROC-96-02; CONF-9608191-
Reference Number:
SCA: 665100; PA: AIX-28:024560; EDB-97:076571; SN: 97001789419
Resource Relation:
Conference: 4. summer school on neutron scattering, Zuoz (Switzerland), 18-24 Aug 1996; Other Information: PBD: Nov 1996; Related Information: Is Part Of New instruments and science around SINQ. Lecture notes of the 4. summer school on neutron scattering; Furrer, A. [ed.]; PB: 454 p.; PSI-Proceedings 96-02
Subject:
66 PHYSICS; INVAR; NEUTRONS; INELASTIC SCATTERING; POLARIZED BEAMS; BRILLOUIN ZONES; EXPERIMENTAL DATA; SPIN-LATTICE RELAXATION
OSTI ID:
475553
Country of Origin:
Switzerland
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 1019-6447; Other: ON: DE97623521; TRN: CH9700052024560
Availability:
OSTI as DE97623521
Submitting Site:
CHN
Size:
pp. 329-345
Announcement Date:

Citation Formats

Brown, P J. Spin-lattice interactions studied by polarised and unpolarised inelastic scattering application to the invar problem. Switzerland: N. p., 1996. Web.
Brown, P J. Spin-lattice interactions studied by polarised and unpolarised inelastic scattering application to the invar problem. Switzerland.
Brown, P J. 1996. "Spin-lattice interactions studied by polarised and unpolarised inelastic scattering application to the invar problem." Switzerland.
@misc{etde_475553,
title = {Spin-lattice interactions studied by polarised and unpolarised inelastic scattering application to the invar problem}
author = {Brown, P J}
abstractNote = {A semi-quantitative analysis is given of some of the ways in which spin-lattice interactions can modify the cross-sections observable in neutron scattering experiments. This analysis is applied to the scattering from the invar alloy Fe{sub 65}Ni{sub 35} using a model in which the magnetic moment is a function of the near neighbour separation. This model has been applied to clarify the results of inelastic scattering experiments carried out on Fe{sub 65}Ni{sub 35} using both polarised and unpolarised neutrons. The extra information obtainable using polarised neutrons as well as the difficulties and limitations of the technique for inelastic scattering are discussed. (author) 8 figs., 14 refs.}
place = {Switzerland}
year = {1996}
month = {Nov}
}