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

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.

Citation Download Citation

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

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