# Publication Charges

 2021-04-1011:28 [FZJ-2021-01626] Journal Article Thoma, H. ; Hutanu, V. ; Deng, H. ; et al Revealing the Absolute Direction of the Dzyaloshinskii-Moriya Interaction in Prototypical Weak Ferromagnets by Polarized Neutrons Physical review / X 11(1), 011060 (2021) [10.1103/PhysRevX.11.011060] Polarized neutron diffraction (PND) is a powerful technique to distinguish a weak magnetic contribution from the total scattering intensity. It can provide a detailed insight into the microscopic spin ordering at the unit cell level, but also into the mesoscopic magnetic ordering, like different types of domain populations. [...] External link: OpenAccess 2021-04-1011:28 [FZJ-2021-01551] Journal Article Kyrey, T. ; Ganeva, M. ; Witte, J. ; et al Grazing Incidence Small-Angle Neutron Scattering: Background Determination and Optimization for Soft Matter Samples Applied Sciences 11(7), 3085 - (2021) [10.3390/app11073085] Grazing incidence small-angle neutron scattering (GISANS) provides access to interfacial properties, e.g., in soft matter on polymers adsorbed at a solid substrate. Simulations in the frame of the distorted wave Born approximation using the BornAgain software allow to understand and quantify the scattering pattern above and below the sample horizon, in reflection and transmission, respectively. [...] External links: Fulltext; OpenAccess 2021-03-2711:28 [FZJ-2021-01527] Journal Article Wuttke, J. Numerically stable form factor of any polygon and polyhedron Journal of applied crystallography 54(2), 580-587 (2021) [10.1107/S1600576721001710] Coordinate-free expressions for the form factors of arbitrary polygons and polyhedra are derived using the divergence theorem and Stokes's theorem. Apparent singularities, all removable, are discussed in detail. [...] External link: OpenAccess 2021-03-1311:28 [FZJ-2020-01784] Journal Article Kumar, S. ; Herzkamp, M. ; Degenhardt, C. ; et al Performance of a Position Sensitive Neutron Scintillation Detector based on Silicon Photomultipliers IEEE transactions on nuclear science 67(6), 1169 - 1174 (2020) [10.1109/TNS.2020.2988474] In recent years, the price increase of 3He has triggered the search for alternative neutron detectors. One of the viable options is a scintillation based neutron detector. [...] External links: OpenAccess; OpenAccess 2021-03-1209:21 [FZJ-2020-04504] Journal Article Schöffmann, P. ; Pütter, S. ; Schubert, J. ; et al Tuning the Co/Sr stoichiometry of SrCoO$_{2.5}$ thin films by RHEED assisted MBEgrowth Materials Research Express 7, 116404 (2020) [10.1088/2053-1591/abc58b] Strontium cobaltite (SrCoO2.5+δ, SCO) is a fascinating material because of its topotactic structural phase transition caused by a change in oxygen stoichiometry. In the brownmillerite phase (δ = 0) it is an insulating antiferromagnet whereas in the perovskite phase (δ = 0.5) it is a conducting ferromagnet. [...] External links: Fulltext; OpenAccess; OpenAccess; OpenAccess 2021-03-1209:21 [FZJ-2020-00210] Journal Article Pospelov, G. ; Van Herck, W. ; Burle, J. ; et al BornAgain: software for simulating and fitting grazing-incidence small-angle scattering Journal of applied crystallography 53(1), 262–276 (2020) [10.1107/S1600576719016789] BornAgain is a free and open-source multi-platform software framework for simulating and fitting X-ray and neutron reflectometry, off-specular scattering, and grazing-incidence small-angle scattering (GISAS). This paper concentrates on GISAS. [...] External link: OpenAccess 2021-01-2211:29 [FZJ-2020-02316] Journal Article Pipich, V. ; Schwahn, D. Polymorphic phase transition in liquid and supercritical carbon dioxide Scientific reports 10(1), 11861 (2020) [10.1038/s41598-020-68451-y] We present experiments on molecular density fluctuations in liquid and supercritical (SC) CO2 using small-angle neutron scattering. Thermal density fluctuations in SC-CO2 determine susceptibility and correlation length identifying the Widom line at their maxima. [...] External links: Fulltext; Fulltext; OpenAccess; OpenAccess 2021-01-2011:29 [FZJ-2020-05240] Journal Article Kruteva, M. ; Monkenbusch, M. ; Allgaier, J. ; et al Self-Similar Dynamics of Large Polymer Rings: A Neutron Spin Echo Study Physical review letters 125(23), 238004 (2020) [10.1103/PhysRevLett.125.238004] This work clarifies the self-similar dynamics of large polymer rings using pulsed-field gradient nuclear magnetic resonance and neutron spin echo spectroscopy. We find center of mass diffusion taking place in three dynamic regimes starting (i) with a strongly subdiffusive domain ⟨r2(t)⟩com∼tα (0.4≤α≤0.65); (ii) a second subdiffusive region ⟨r2(t)⟩com∼t0.75 that (iii) finally crosses over to Fickian diffusion. [...] External links: Fulltext; OpenAccess 2021-01-1611:29 [FZJ-2021-00263] Journal Article Holderer, O. ; Maccarrone, S. ; Pasini, S. ; et al Raspberry structures in microgel-silica nanoparticle composite systems Results in Physics 21, 103805 - (2021) [10.1016/j.rinp.2020.103805] Composite materials consisting of responsive microgels together with additional nanoparticles might provide new and “smart” functionality, e.g. uptake and release of nanoparticles, or special mechanical or rheological properties of a solution. [...] External links: Fulltext; OpenAccess; OpenAccess 2020-12-1111:29 [FZJ-2020-04970] Journal Article Kyrey, T. ; Ganeva, M. ; Witte, J. ; et al Understanding near-surface polymer dynamics by a combination of grazing-incidence neutron scattering and virtual experiments Neutron spin-echo spectroscopy is a unique experimental method for the investigation of polymer dynamics. The combination of neutron spin-echo spectroscopy with grazing-incidence geometry (GINSES) opens the possibility to probe the dynamics of soft-matter materials in the vicinity of the solid substrate in the time range up to 100 ns. [...] External links: OpenAccess; Restricted