Universität zu Köln

Muehlbauer, Sebastian, Honecker, Dirk ORCID: 0000-0003-0763-982X, Perigo, Elio A., Bergner, Frank ORCID: 0000-0002-4058-1044, Disch, Sabrina ORCID: 0000-0002-4565-189X, Heinemann, Andre, Erokhin, Sergey, Berkov, Dmitry, Leighton, Chris, Eskildsen, Morten Ring ORCID: 0000-0001-5211-1771 and Michels, Andreas (2019). Magnetic small-angle neutron scattering. Rev. Mod. Phys., 91 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1539-0756

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Abstract

Small-angle neutron scattering (SANS) is one of the most important techniques for microstructure determination, being utilized in a wide range of scientific disciplines, such as materials science, physics, chemistry, and biology. The reason for its great significance is that conventional SANS is probably the only method capable of probing structural inhomogeneities in the bulk of materials on a mesoscopic real-space length scale from roughly 1 to 300 nm. Moreover, the exploitation of the spin degree of freedom of the neutron provides SANS with a unique sensitivity to study magnetism and magnetic materials at the nanoscale. As such, magnetic SANS ideally complements more real-space and surface-sensitive magnetic imaging techniques, e.g., Lorentz transmission electron microscopy, electron holography, magnetic force microscopy, Kerr microscopy, or spin-polarized scanning tunneling microscopy. This review summarizes the recent applications of the SANS method to study magnetism and magnetic materials. This includes a wide range of materials classes from nanomagnetic systems such as soft magnetic Fe-based nanocomposites, hard magnetic Nd-Fe-B-based permanent magnets, magnetic steels, ferrofluids, nanoparticles, and magnetic oxides to more fundamental open issues in contemporary condensed matter physics such as skyrmion crystals, noncollinear magnetic structures in noncentrosymmetric compounds, magnetic or electronic phase separation, and vortex lattices in type-II superconductors. Special attention is paid not only to the vast variety of magnetic materials and problems where SANS has provided direct insight, but also to the enormous progress made regarding the micromagnetic simulation of magnetic neutron scattering.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Muehlbauer, Sebastian UNSPECIFIED UNSPECIFIED UNSPECIFIED Honecker, Dirk UNSPECIFIED orcid.org/0000-0003-0763-982X UNSPECIFIED Perigo, Elio A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bergner, Frank UNSPECIFIED orcid.org/0000-0002-4058-1044 UNSPECIFIED Disch, Sabrina UNSPECIFIED orcid.org/0000-0002-4565-189X UNSPECIFIED Heinemann, Andre UNSPECIFIED UNSPECIFIED UNSPECIFIED Erokhin, Sergey UNSPECIFIED UNSPECIFIED UNSPECIFIED Berkov, Dmitry UNSPECIFIED UNSPECIFIED UNSPECIFIED Leighton, Chris UNSPECIFIED UNSPECIFIED UNSPECIFIED Eskildsen, Morten Ring UNSPECIFIED orcid.org/0000-0001-5211-1771 UNSPECIFIED Michels, Andreas UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-154301
DOI:	10.1103/RevModPhys.91.015004
Journal or Publication Title:	Rev. Mod. Phys.
Volume:	91
Number:	1
Date:	2019
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1539-0756
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Physical Chemistry
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language FLUX-LINE-LATTICE; NON-FERMI-LIQUID; INTERMEDIATE MIXED-STATE; SHAPE-MEMORY ALLOYS; X-RAY-SCATTERING; IRRADIATED FE-CU; MN MODEL ALLOYS; VORTEX LATTICE; PHASE-SEPARATION; POLARIZED NEUTRONS Multiple languages Physics, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15430