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Prof. Dr. Andreas Michels
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| Faculty or Centre | Faculty of Science, Technology and Medicine | ||||||||
| Department | Department of Physics and Materials Science | ||||||||
| Postal Address |
Campus Limpertsberg, Université du Luxembourg 162 A, avenue de la Faïencerie L-1511 Luxembourg |
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| Campus Office | BS 2.14 | ||||||||
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| Telephone | (+352) 46 66 44 6983 | ||||||||
| Social Media & Blogs | |||||||||
Magnetic Neutron Scattering Group
Last updated on: Wednesday, 16 October 2019
2023
On the angular anisotropy of the randomly averaged magnetic neutron scattering cross section of nanoparticles; ;
in IUCrJ (2023), 10(3), 261-269
Micromagnetic simulation of neutron scattering from spherical nanoparticles: Effect of pore-type defects; ; ; ; ; ; ; ;
in Physical Review. B (2023), 107
2022
MuMag2022: a software tool for analyzing magnetic field dependent unpolarized small-angle neutron scattering data of bulk ferromagnets; ; ;
in Journal of Applied Crystallography (2022), 55
Magnetic neutron scattering from spherical nanoparticles with Néel surface anisotropy: atomistic simulations; ;
in Journal of Applied Crystallography (2022), 55(6), 1488-1499
Magnetic neutron scattering from spherical nanoparticles with Néel surface anisotropy: analytical treatment; ;
in Journal of Applied Crystallography (2022), 55(6), 1475-1487
Resolving the Complex Spin Structure in Fe-Based Soft Magnetic Nanocrystalline Material by Magnetic Small-Angle Neutron Scattering; ; ; ; ;
in Neutron News (2022), 33(2), 15-17
Unraveling the magnetic softness in Fe–Ni–B-based nanocrystalline material by magnetic small-angle neutron scattering; ; ; ; ;
in IUCrJ (2022), 9(1), 65-72
Magnetic nanoprecipitates and interfacial spin disorder in zero-field-annealed Ni50Mn45In5 Heusler alloys as seen by magnetic small-angle neutron scattering; ; ; ; ; ; ;
in Journal of Applied Crystallography (2022), 55
On the Reduction of Computational Costs for Tungsten Powder Bed Processes; ; ;
Scientific Conference (2022, May 31)
Using small-angle scattering to guide functional magnetic nanoparticle design; ; ; ; ; ; ; ; ; ;
in Nanoscale Advances (2022), 4
Magnetic order and disorder environments in superantiferromagnetic NdCu2 nanoparticles; ; ; ; ; ;
in Scientific Reports (2022), 12
Uniaxial polarization analysis of bulk ferromagnets: theory and first experimental results; ; ; ; ;
in Journal of Applied Crystallography (2022), 55
Small-angle neutron scattering by spatially inhomogeneous ferromagnets with a nonzero average uniaxial anisotropy; ; ;
in Journal of Applied Crystallography (2022), 55
2021
Chemical vapor deposition of CoFe2O4 micropillar arrays with enhanced magnetic properties; ; ; ; ;
in Journal of Alloys and Compounds (2021), 890
Unraveling Nanostructured Spin Textures in Bulk Magnets; ; ; ;
in Small Science (2021), 1(1), 2000003
Magnetic small-angle neutron scattering - a powerful probe of the magnetization configuration;
Scientific Conference (2021, October 16)
Revealing defect-induced spin disorder in nanocrystalline Ni; ; ; ; ; ; ; ; ;
in Physical Review Materials (2021), 5(4), 044409
Observation of surface magnons and crystalline electric field shifts in superantiferromagnetic NdCu2 nanoparticles; ; ; ; ; ;
in Physical Review. B, Condensed Matter (2021), 104
Neutron study of magnetic correlations in rare-earth-free Mn-Bi magnets; ; ; ; ; ; ; ;
in Physical Review Materials (2021), 5
Magnetic Small-Angle Neutron Scattering. A Probe for Mesoscale Magnetism AnalysisBook published by Oxford University Press (2021)
Low-Temperature Growth of AlN Films on Magnetostrictive Foils for High-Magnetoelectric-Response Thin-Film Composites; ; ; ; ; ; ; ; ; ; ;
in ACS Applied Materials and Interfaces (2021), 13
Role of higher-order effects in spin-misalignment small-angle neutron scattering of high-pressure torsion nickel; ; ; ; ; ; ; ;
in Physical Review Materials (2021), 5
2020
Magnetic correlations in polycrystalline Tb0.15Co0.85; ; ; ; ; ; ;
in Journal of Physics: D Applied Physics (2020), 53
The benefits of a Bayesian analysis for the characterization of magnetic nanoparticles; ; ; ;
in Nanotechnology (2020), 31(43), 435704
Toward Understanding Complex Spin Textures in Nanoparticles by Magnetic Neutron Scattering; ; ; ; ; ; ;
in Physical Review Letters (2020), 125
Experimental observation of third-order effect in magnetic small-angle neutron scattering; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2020), 101
Defect-induced Dzyaloshinskii–Moriya interaction in a nanocrystalline two-phase alloy; ; ;
in Journal of Physics: Condensed Matter (2020), 32
Anisometric mesoscale nuclear and magnetic texture in sintered Nd-Fe-B magnets; ; ; ; ; ;
in Physical Review Materials (2020), 4
2019
Evidence for the formation of nanoprecipitates with magnetically disordered regions in bulk Ni50Mn45In5 Heusler alloys; ; ; ; ; ; ; ; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2019), 99
Size-dependent spatial magnetization profile of Manganese-Zinc ferrite Mn0.2Zn0.2Fe2.6O4 nanoparticles; ; ; ; ; ; ; ; ;
in Physical Review. B (2019), 100
Erratum: Third-order effect in magnetic small-angle neutron scattering by a spatially inhomogeneous medium [Phys. Rev. B 91, 054404 (2015)];
in Physical Review. B, Condensed Matter and Materials Physics (2019), 99
Magnetic neutron scattering studies on Nd-Fe-B magnets (Keynote Lecture)Scientific Conference (2019, June 05)
Microstructural-defect-induced Dzyaloshinskii-Moriya interaction; ; ; ; ; ; ; ; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter (2019), 99
Effect of grain-boundary diffusion process on the geometry of the grain microstructure of Nd−Fe−B nanocrystalline magnets; ; ; ; ; ; ; ;
in Physical Review Materials (2019), 3(084410),
2018
Towards understanding of magnetization reversal in Nd-Fe-B nanocomposites: analysis by high-throughput micromagnetic simulations; ; ; ;
in Journal of Physics : Condensed Matter (2018), 30
Magnetic SANS as a probe to disclose internal interfaces and the spin structure of nanoparticlesPresentation (2018, February 13)
Effect of annealing conditions on the microstructure and magnetic properties of sintered Nd-Fe-B magnets as seen by magnetic small-angle neutron scattering; ; ; ; ; ; ; ;
Scientific Conference (2018, August 29)
Effect of annealing conditions on the microstructure and magnetic properties of sintered Nd-Fe-B magnets as seen by magnetic smallangle neutron scattering; ; ; ; ; ; ; ;
in Materials Research Express (2018), 5
2017
Surfactant-assisted production of TbCu2 nanoparticles; ; ; ; ; ; ; ; ; ; ;
in Journal of Nanoparticle Research (2017), 19
Magnetic small-angle neutron scattering on bulk metallic glasses: A feasibility study for imaging displacement fields; ; ; ; ; ; ; ; ; ; ; ;
in Physical Review Materials (2017), 1
MAGNETIC SMALL-ANGLE NEUTRON SCATTERING ON BULK METALLIC GLASSES; ; ; ; ; ; ; ; ; ; ;
Scientific Conference (2017, July 03)
Magnetic SANS as a probe to disclose internal interfaces and the spin structure of nanoparticlesScientific Conference (2017, October 11)
Spin Structures of Textured and Isotropic Nd-Fe-B-Based Nanocomposites: Evidence for Correlated Crystallographic and Spin Textures; ; ; ; ; ; ; ; ; ; ;
in Physical Review Applied (2017), 7
Spin structure of Nd-Fe-B-based textured nanocomposites:role of interface chemistry;
Scientific Conference (2017, July 02)
Small-angle neutron scattering modeling of spin disorder in nanoparticles; ;
in Scientific Reports (2017), 7
2016
Phase separation in NiCrN coatings induced by N2addition in the gasphase: A way to generate magnetic thin films by reactive sputtering ofa non-magnetic NiCr target; ; ; ; ;
in Applied Surface Science (2016), 389
Magnetic neutron scattering by magnetic vortices in thin submicron-sized soft ferromagnetic cylinders;
in Scientific Reports (2016), 6
Magnetic small-angle neutron scattering on bulk metallic glasses; ; ; ; ;
Scientific Conference (2016, March 08)
Effect of Dzyaloshinski-Moriya interaction on elastic diffuse SANSScientific Conference (2016, July 04)
Effect of Dzyaloshinski-Moriya interaction on elastic small-angle neutron scattering; ; ;
in Physical Review. B (2016), 94
Magnetic microstructure of a textured Nd-Fe-B sintered magnet characterized by small-angle neutron scattering; ; ; ; ; ; ; ; ;
in Journal of Alloys and Compounds (2016), 661
Small-angle neutron scattering study of coercivity enhancement in grain-boundary-diffused Nd-Fe-B sintered magnets; ; ; ; ; ;
in Journal of Alloys and Compounds (2016), 677
Magnetic field-dependent spin structures of nanocrystalline holmium; ; ; ; ; ;
in Journal of Applied Crystallography (2016), 49
2015
Excitation of Ni nanorod colloids in oscillating magnetic fields: a new approach for nanosensing investigated by TISANE; ; ; ; ; ; ;
in Nanoscale (2015), 7
Small-angle neutron scattering of nanocrystalline gadolinium and holmium with random paramagnetic susceptibility; ; ; ; ;
in Journal of Physics : Condensed Matter (2015), 27
Dipolar spin-misalignment correlations in inhomogeneous magnets: Comparison between neutron scattering and micromagnetic; ;
in Physical Review. B, Condensed Matter (2015), 92(1), 014427
Third-order effect in magnetic small-angle neutron scattering by a spatially inhomogeneous medium;
in Physical Review. B, Condensed Matter and Materials Physics (2015), 91
Small-angle neutron scattering correlation functions of bulk magnetic materials;
in Journal of Applied Crystallography (2015), 48
Magnetic small-angle neutron scattering of bulk ferromagnets: beyond the particle-matrix conceptScientific Conference (2015)
Comment on “Origin of Surface Canting within Fe3O4 Nanoparticles”; ; ;
in Physical Review Letters (2015), (114), 149701
Magnetic SANS study of a sintered Nd–Fe–B magnet: Estimation of defect size; ;
in Acta Materialia (2015), 87
Synthesis and magnetic properties of Ta/NdFeB-based composite microwires; ; ; ; ; ;
in Journal of Applied Physics (2015), 117
2014
Critical behaviour of nanocrystalline gadolinium: evidence for random uniaxial dipolar universality class; ; ; ;
in Journal of Physics : Condensed Matter (2014), 26
Magnetic field dependent small-angle neutron scattering on a Co nanorod array: evidence for intraparticle spin misalignment; ; ; ; ; ; ; ; ;
in Journal of Applied Crystallography (2014), 47
Magnetic small-angle neutron scattering of bulk ferromagnets: beyond the particle-matrix conceptPresentation (2014, December 03)
Magnetic small-angle neutron scattering of bulk ferromagnetsin Journal of Physics : Condensed Matter (2014), 26
Micromagnetic simulation of magnetic small-angle neutron scattering from two-phase nanocomposites; ; ;
in Journal of Magnetism and Magnetic Materials (2014), 350
Experimental observation of magnetic poles inside bulk magnets via q \neq 0 Fourier modes of magnetostatic field; ; ;
in New Journal of Physics (2014), 16
2013
Magnetization reversal in Nd-Fe-B based nanocomposites as seen by magnetic small-angle neutron scattering; ; ; ; ; ; ; ; ; ; ; ;
in Applied Physics Letters (2013), 102(2), 0224151-0224155
Exchange-stiffness constant of a Nd-Fe-B based nanocomposite determined by magnetic neutron scattering; ; ; ; ; ; ;
in Applied Physics Letters (2013), 103
Analysis of magnetic neutron-scattering data of two-phase ferromagnets; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2013), 88
Theory of magnetic small-angle neutron scattering of two-phase ferromagnets;
in Physical Review. B, Condensed Matter and Materials Physics (2013), 87(224426), 1-10
Magnetic neutron scattering on nanomagnets: Decrypting cross-section images using micromagnetic simulationsScientific Conference (2013, February)
Autocorrelation function of the spin misalignment in magnetic small-angle neutron scattering: application to nanocrystalline metals;
in Journal of Applied Crystallography (2013), 46
Magnetic ordering in nanocrystalline gadolinium: A neutron diffraction study; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2013), 87(064408), 1-6
2012
Neutron scattering study of the magnetic microstructure of nanocrystalline gadolinium; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2012), 85(094411), 1-17
Micromagnetic modeling and small-angle neutron scattering characterization of magnetic nanocomposites; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2012), 85(024410), 1-12
Magnetic neutron scattering on nanocomposites: Decrypting cross-section images using micromagnetic simulations; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2012), 85(134418), 1-5
Magnetic neutron scattering on nanomagnets: Decrypting cross-section images using micromagnetic simulationsScientific Conference (2012, September)
Correlation functions of the spin misalignment in magnetic small-angle neutron scatteringPresentation (2012, May)
Magnetic neutron scattering on nanomagnets: Decrypting cross-section images using micromagnetic simulationsScientific Conference (2012)
Magnetic neutron scattering on nanocomposites: Decrypting cross-section images using micromagnetic simulationsScientific Conference (2012)
Observation of cross-shaped anisotropy in spin-resolved small-angle neutron scattering; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2012), 85(184417), 1-5
2011
New Methodology for Micromagnetic Simulations of Nanocomposites With Applications to SANS Experiments; ; ;
in IEEE Transactions on Magnetics (2011), 47(10), 3044-3047
Neutron spin-flip scattering of nanocrystalline cobalt; ; ; ;
in Journal of Physics : Condensed Matter (2011), 23(1), 1-4
Investigation of magnetic nanostructures by means of longitudinal neutron- polarization analysisScientific Conference (2011)
Correlation functions of the spin misalignment in magnetic small-angle neutron scatteringScientific Conference (2011)
Influence of crystallite size and temperature on the antiferromagnetic helices of terbium and holmium metal; ; ; ; ; ; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2011), 83
Small-angle Neutron Scattering with One-dimensional Polarization Analysis; ; ; ; ; ;
in Neutron News (2011), 22(3), 15-19
2010
Neutron spin-flip scattering of nanocrystalline cobalt; ; ; ;
in Journal of Physics: Condensed Matter (2010), 23(1), 016003
One-D neutron-polarization analysis on magnetic nanostructures; ; ; ; ; ; ;
in Europhysics News (2010), 41(5), 15-15
Longitudinal polarization analysis in small-angle neutron scattering; ; ; ; ; ; ;
in European Physical Journal B -- Condensed Matter (2010), 76(2), 209-213
Correlation functions of the spin misalignment in magnetic small-angle neutron scatteringin Physical Review. B, Condensed Matter and Materials Physics (2010), 82(2), 0244331-02443312
Investigation of magnetic nanostructures by means of longitudinal neutron- polarization analysisScientific Conference (2010)
Crossing length scales and interface-induced spin disorder in nanocrystalline rare- earth ferromagnetsScientific Conference (2010)
2009
Grain-boundary-induced spin disorder in nanocrystalline gadolinium; ; ; ; ; ; ; ;
in Journal of Physics : Condensed Matter (2009), 21(15), 1560031-1560035
Porosity-induced spin disorder in nanocrystalline inert-gas condensed iron; ; ; ; ; ; ; ;
in Europhysics Letters (2009), 85
Grain-size-dependent magnetic susceptibility of nanocrystalline terbium; ; ;
in Journal of Applied Physics (2009), 105(7), 7011-7013
2008
Unraveling the nature of room temperature grain growth in nanocrystalline materials; ; ; ; ;
in Acta Materialia (2008), 56
Characterisation of the polarised neutron beam at the small angle scattering instrument SANS-I with a polarised proton target; ; ; ; ; ; ; ; ;
in Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment (2008), 586
Magnetic Nanorods: Genesis, Self-Organization and Applications; ; ; ;
in Zeitschrift für Physikalische Chemie (2008), 222(2-3), 229-255
Angular dependence of coercivity and remanence of Ni nanowire arrays and its relevance to magnetoviscosity; ; ; ;
in Journal of Magnetism and Magnetic Materials (2008), 320(7), 1340-1344
Magnetic-field-dependent small-angle neutron scattering on random anisotropy ferromagnets;
in Reports on Progress in Physics (2008), 71(6), 0665011-06650137
Magnetic domains and annealing-induced magnetic anisotropy in nanocrystalline soft magnetic materials; ; ; ; ;
in Journal of Applied Physics (2008), 103(7), 7301-7303
Long range magnetic interactions in nanocrystalline ferromagnets; ; ; ; ; ;
in Schimmel, Th.; von Löhneysen, H.; Obermair, Ch.; Barczewski, M. (Eds.) Nanotechnology—Physics, Chemistry, and Biology of Functional Nanostructures (2008)
2007
Resonant microwave absorption determination of characteristic magnetic length in magnetic-field-annealed Vitroperm; ;
in Applied Physics Letters (2007), 91
The influence of spin-misalignment scattering on the SANS data evaluation of martensitic age-hardening steels; ; ; ; ; ; ;
in Acta Materialia (2007), 55(8), 2637-2646
Synthesis of a nanorod ferrofluid and characterisation by magnetic-field-dependent small-angle X-ray scattering; ;
in Journal of Magnetism and Magnetic Materials (2007), 316(e), 779-782
Effect of magnetic field annealing on the soft magnetic properties of nanocrystalline materials; ; ; ; ;
in Journal of Magnetism and Magnetic Materials (2007), 316(2), 458-461
Temperature dependence of dipole-field scattering in Nanoperm; ; ; ; ; ;
in Journal of Magnetism and Magnetic Materials (2007), 316(2), 448-450
Creating local contrast in small-angle neutron scattering by dynamic nuclear polarization; ; ; ; ; ; ;
in Journal of Applied Crystallography (2007), 40(s), 106-110
2006
Synthesis and magnetic properties of cobalt nanocubes; ;
in Physical Review. B, Condensed Matter and Materials Physics (2006), 73(21), 2124011-2124014
Dipolar correlations in a nanocomposite: A neutron scattering study of Nanoperm Fe89Zr7B3Cu; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2006), 74(13), 1344071-13440713
Probing dipolar angles in soft magnetic nanocomposites by small-angle neutron scattering;
in Neutron News (2006), 71(6), 34-35
Time-resolved nuclear spin-dependent small-angle neutron scattering from polarised proton domains in deuterated solutions; ; ; ; ; ; ; ; ; ; ; ;
in European Physical Journal B -- Condensed Matter (2006), 49(2), 157-165
A neutron-scattering investigation of the magnetic structure and magnetic excitations in nanocrystalline Tb; ; ; ; ; ; ; ; ;
in Journal of Applied Physics (2006), 99(8), 5021-5023
Small angle neutron scattering investigations of spin disorder in nanocomposite soft magnets; ; ; ; ; ;
in Journal of Alloys and Compounds (2006), 423(1-2), 31-36
2005
Production of ultracold neutrons from a cold neutron beam on a 2H2 target; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
in Physical Review. C, Nuclear Physics (2005), 71
Dipole-field-induced spin disorder in a nanocomposite soft magnet; ; ; ; ; ;
in Europhysics Letters (2005), 72(2), 249-255
High-accuracy measurement of the spin-dependent neutron scattering length of the deuteron; ; ; ; ; ; ; ;
in Proceedings of the 16th International Spin Physics Symposium and Workshop on Polarized Electron Sources and Polarimeters (2005)
Neutron scattering and modeling of dipole-field-induced spin disorder in Nanoperm; ; ; ; ;
in Applied Physics Letters (2005), 87
2004
Characteristic magnetic length-scales in Vitroperm—Combining Kerr microscopy and small-angle neutron scattering; ; ; ; ;
in Physica Status Solidi A. Applied Research (2004), 201
An experimental approach to the dynamics of nuclear polarisation; ; ; ; ; ; ; ; ; ; ; ;
in Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment (2004), 526
Spin structure of nanocrystalline terbium; ; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2004), 69
2003
Range of magnetic correlations in nanocrystalline soft magnets; ; ; ;
in Physical Review Letters (2003), 91
A comparison of torque-strengths in micromagnetics;
in Journal of Magnetism and Magnetic Materials (2003), 258-259
2002
Tomographic characterization of grain-size correlations in polycrystalline Al-Sn; ; ; ; ; ; ; ;
in Developments in X-Ray Tomography III (2002)
On the influence of anisotropy on the magnetic small-angle neutron scattering of superparamagnetic particles;
in European Physical Journal B -- Condensed Matter (2002), 26
A lower bound for the volume-averaged mean-square magnetostatic stray field; ;
in European Physical Journal B -- Condensed Matter (2002), 29
Measurement of a magnetic-field dependent correlation length in nanocrystalline Ni using small-angle neutron scattering; ; ;
in Physica Status Solidi A. Applied Research (2002), 189
Tomography with high resolution; ; ; ; ; ; ; ; ; ; ; ; ;
in Developments in X-Ray Tomography III (2002)
Magnetic microstructure and properties of the nanocrystalline hard magnet terbium; ; ; ; ;
in Physica Status Solidi A. Applied Research (2002), 189
2001
Comment on magnetic correlations in nanostructured ferromagnets;
in Physical Review Letters (2001), 87(14), 149701-149701
Analysis of the small-angle neutron scattering of nanocrystalline ferromagnets using a micromagnetics model; ; ; ; ;
in Physical Review. B, Condensed Matter and Materials Physics (2001), 63
Magnetic small-angle neutron scattering by nanocrystalline terbium; ; ; ; ; ;
in Scripta Materialia (2001), 44(8), 2357-2361
2000
Exchange-stiffness constant in cold-worked and nanocrystalline Ni measured by elastic small-angle neutron scattering; ; ;
in Journal of Applied Physics (2000), 87(9), 5953-5955
Measuring the exchange-stiffness constant of nanocrystalline solids by elastic small-angle neutron scattering; ; ; ;
in Philosophical Magazine Letters (2000), 80
1999
Modelling the influence of grain-size-dependent solute drag on the kinetics of grain growth in nanocrystalline materials; ; ; ;
in Acta Materialia (1999), 47(7), 2143-2152
Small-angle neutron scattering by the magnetic microstructure of nanocrystalline ferromagnets near saturation; ; ;
in Journal of Research of the National Institute of Standards and Technology (1999), 104(3), 261-275
1998
Grain-growth kinetics in nanocrystalline iron prepared by ball milling; ; ;
in Grain Growth in Polycrystalline Materials III (1998)
