Neutron diffraction optics of films with noncollinear magnetic depth structures

Daniel A. Korneev; L. P. Chernenko

doi:10.1117/12.130658

23 November 1992 Neutron diffraction optics of films with noncollinear magnetic depth structures

Daniel A. Korneev; L. P. Chernenko;

Author Affiliations +

Proceedings Volume 1738, Neutron Optical Devices and Applications; (1992) https://doi.org/10.1117/12.130658
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

A model of a thin film with depth inhomogeneous or noncollinear magnetization is used to describe its neutron-optical, diffraction, and polarization properties. A quantum mechanical method of calculation is developed based on a numerical solution of the Pauli equation for a neutron in inhomogeneous matter with boundary conditions. This solution permits the uniform calculation of intensities and the polarization vector of the scattered beam over a wide range of conditions from specular reflection to neutron diffraction. The method is applied to certain model structures. Examples of its application to model structures (ferromagnetic spirals, long- period soliton) are given and the calculation can be programmed for a personal computer, taking a few seconds for each value of the incident neutron wave vector.

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Daniel A. Korneev, L. P. Chernenko, "Neutron diffraction optics of films with noncollinear magnetic depth structures", Proc. SPIE 1738, Neutron Optical Devices and Applications, (23 November 1992); doi: 10.1117/12.130658; https://doi.org/10.1117/12.130658

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