نتایج جستجو برای: mnsi
تعداد نتایج: 260 فیلتر نتایج به سال:
Introduction: Diabetes mellitus (DM) remains the major global health problem, predicted to exceed half a billion people in 2040. One of complications was lower extremity neuropathy leading foot ulcer and amputation. This study aimed investigate effect routine Buerger exercise on index with DM. Methods: A pre-and posttest quasi-experimental between May August 2018 involving DM patients primary c...
The semiclassical motion of electrons in phase space x = (R,k) is influenced by Berry phases described by a six-component vector potential A = (AR,Ak). In chiral magnets, Dzyaloshinskii-Moriya (DM) interactions induce slowly varying magnetic textures (helices and skyrmion lattices) for which all components of A are important, inducing effectively a curvature in mixed position and momentum space...
We have studied the stability, the electronic, and the magnetic properties of Co2MnSi(001) thin films for 15 different terminations using density functional theory calculations. The phase diagram obtained by ab initio atomistic thermodynamics shows that in practice the MnSi, pure Mn, or pure Si terminated surfaces can be stabilized under suitable conditions. Analyzing the surface band structure...
Skyrmions represent topologically stable field configurations with particle-like properties. We used neutron scattering to observe the spontaneous formation of a two-dimensional lattice of skyrmion lines, a type of magnetic vortex, in the chiral itinerant-electron magnet MnSi. The skyrmion lattice stabilizes at the border between paramagnetism and long-range helimagnetic order perpendicular to ...
We present a detailed ac susceptibility investigation of the fluctuation regime in the insulating cubic helimagnet Cu2OSeO3. For magnetic fields μ0H 200 mT, and over a wide temperature (T ) range, the system behaves according to the scaling relations characteristic of the classical three-dimensional Heisenberg model. For lower magnetic fields, the scaling is preserved only at higher T and becom...
Hund's metals are multi-orbital systems with $3d$ or $4d$ electrons exhibiting both itinerant character and local moments, they feature Kondo-like screenings of orbital spin suppressed coherence temperature driven by coupling $J_H$. They often exhibit magnetic order at low temperature, but how the interaction between screening long-range is manifested in quasiparticle spectrum remains an open q...
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