نتایج جستجو برای: mnsi
تعداد نتایج: 260 فیلتر نتایج به سال:
B20-type compounds, such as MnSi and FeGe, host helimagnetic skyrmion phases at the mesoscale, which are canonically explained by combination of ferromagnetic isotropic interactions with weaker chiral Dzyaloshinskii-Moriya ones. Mysteriously, MnGe evades this paradigm it displays a noncollinear magnetic state much shorter nanometer scale. Here we show that length scale volume-dependent properti...
Some magnetically ordered phases of the ${\mathrm{Mn}}_{5}{\mathrm{Si}}_{3}$ crystal are proving to be prototypes for study new fundamental spin physics related spontaneous breaking time-reversal symmetry despite a zero net magnetization. Here, we report on route grow epitaxial thin films Si(111). To this end, use Mn and Si codeposition in molecular beam epitaxy system carefully tune deposition...
Magnetic skyrmions are topologically stable whirlpool-like spin textures that offer great promise as information carriers for future spintronic devices. To enable such applications, particular attention has been focused on the properties of skyrmions in highly confined geometries such as one-dimensional nanowires. Hitherto, it is still experimentally unclear what happens when the width of the n...
Skyrmions hold promise for next-generation magnetic storage as their nanoscale dimensions may enable high information storage density and their low threshold for current-driven motion may enable ultra-low energy consumption. Skyrmion-hosting nanowires not only serve as a natural platform for magnetic racetrack memory devices but also stabilize skyrmions. Here we use the topological Hall effect ...
In 3 dimensions, it is possible to identify a wide range of systems such as (i) nanoparticles in solutions forming ferrofluids, (ii) percolating phases as found in manganites for example, (iii) magnetic domains or domain walls in crystals, (iv) long range helical structures as found in MnSi or BiFeO3 for example. These objects are ideally studied using Small Angle Neutron Scattering (SANS) whic...
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