2007
DOI: 10.1051/sfn:2007017
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La technique classique du rapport de flipping. Application aux aimants moléculaires et aux aimants photo-commutables

Abstract: Résumé. Des exemples d'applications de la méthode classique du rapport de flipping à la détermination de la densité de spin par diffraction de neutrons polarisés (DNP) sont décrits dans ce chapitre. Dans le domaine des composés magnétiques à base moléculaire, de telles investigations fournissent des informations directes sur la nature et l'origine des interactions intra-et inter-moléculaires. Ainsi, la visualisation de la distribution de spin dans la maille cristalline et dans la molécule permet de mettre en é… Show more

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“…where S is a scale factor, m h is the multiplicity of reflection, L is the Lorentz factor, P h is the density of (hkl) poles at the scattering vector (preferred orientation), and ψ h (2θ − 2θ h , ϕ) is the peak profile function normalized to the unit area. It is well known that the flipping sum and difference of the integrated intensities of polycrystalline samples can be written as [35]…”
Section: A Polarized Neutron Powder Diffractionmentioning
confidence: 99%
“…where S is a scale factor, m h is the multiplicity of reflection, L is the Lorentz factor, P h is the density of (hkl) poles at the scattering vector (preferred orientation), and ψ h (2θ − 2θ h , ϕ) is the peak profile function normalized to the unit area. It is well known that the flipping sum and difference of the integrated intensities of polycrystalline samples can be written as [35]…”
Section: A Polarized Neutron Powder Diffractionmentioning
confidence: 99%