Mapping inelastic intensities in diffraction patterns of magnetic samples using the energy spectrum imaging technique.

Mapping inelastic intensities in diffraction patterns of magnetic samples using the energy spectrum imaging technique. Research Abstract Details 

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Mapping inelastic intensities in diffraction patterns of magnetic samples using the energy spectrum imaging technique. Abstract Text:

We present the quantitative measurement of inelastic intensity distributions in diffraction patterns with the aim of studying magnetic materials. The relevant theory based on the mixed dynamic form factor (MDFF) is outlined. Experimentally, the challenge is to obtain sufficient signal for core losses of 3d magnetic materials (in the 700-900eV energy-loss range). We compare two experimental settings in diffraction mode, i.e. the parallel diffraction and the large-angle convergent-beam electron diffraction configurations, and demonstrate the interest of using a spherical aberration corrector. We show how the energy spectrum imaging (ESI) technique can be used to map the inelastic signal in a data cube of scattering angle and energy loss. The magnetic chiral dichroic signal is measured for a magnetite sample and compared with theory.

Mapping inelastic intensities in diffraction patterns of magnetic samples using the energy spectrum imaging technique. Publishing Authors By Initials

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Mapping inelastic intensities in diffraction patterns of magnetic samples using the energy spectrum imaging technique. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Ultramicroscopy

VOLUME: 108

Page Numbers: 393-8

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ISSN: 0304-3991

DAY: 12

MONTH: 06

YEAR: 2007

Mapping inelastic intensities in diffraction patterns of magnetic samples using the energy spectrum imaging technique. Information

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LANGUAGE: eng

NlmUniqueID: 7513702

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Grant and Affiliation Information for Mapping inelastic intensities in diffraction patterns of magnetic samples using the energy spectrum imaging technique.

AFFILIATION: CEMES-CNRS, 29 rue Jeanne Marvig, BP 94347, 31055 Toulouse Cedex 4, France.

Country: Netherlands

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MEDLINETA: Ultramicroscopy

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