Results 31 to 40 of about 9,972 (221)
Dipolar versus multipolar dynamos: the influence of the background density stratification [PDF]
, 2012 Context: dynamo action in giant planets and rapidly rotating stars leads to a broad variety of magnetic field geometries including small scale multipolar and large scale dipole-dominated topologies.
Al-Shamali +58 more
core +1 more source
Long-Range Magnetic Ordering and Bistability in Molecular Magnetism
, 1996 Molecular magnetism is a new area of research dealing with the chemistry and physics of molecular assemblies involving open-shell molecules, and polymeric structures synthesized from molecular precursors [1]. In that sense, molecular magnetism may be considered as a supramolecular function.
Kahn, Olivier +2 more
openaire +2 more sources
Encoding reprogrammable properties into magneto-mechanical materials via topology optimization
npj Computational Materials, 2023 The properties of materials and structures typically remain fixed after being designed and manufactured. There is a growing interest in systems with the capability of altering their behaviors without changing geometries or material constitutions, because
Zhi Zhao, Xiaojia Shelly Zhang
doaj +1 more source
Sensors, 2020 There is a pressing demand to improve the performance of cost-effective soft magnetic materials for use in high performance sensors and devices. Giant Magneto-impedance effect (GMI), or fast single domain wall (DW) propagation can be observed in properly
Paula Corte-Leon +6 more
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Micro-electromechanical memory bit based on magnetic repulsion
, 2016 A bistable micro-mechanical system based on magnetic repulsion is presented exploring its applicability as memory unit where the state of the bit is encoded in the rest position of a deflected cantilever.
López-Suárez, Miquel, Neri, Igor
core +1 more source
Magnetic Bistability in a Submonolayer of Sublimated Fe4 Single-Molecule Magnets
Nano Letters, 2014 We demonstrate that Fe4 molecules can be deposited on gold by thermal sublimation in ultra-high vacuum with retention of single molecule magnet behavior. A magnetic hysteresis comparable to that found in bulk samples is indeed observed when a submonolayer film is studied by X-ray magnetic circular dichroism. Scanning tunneling microscopy evidences that
MALAVOLTI, LUIGI +13 more
openaire +3 more sources
Physical Review Research, 2022 Topological magnetic textures are of great interest in various scientific and technological fields. To allow for precise control of nanoscale magnetism, it is of great importance to understand the role of intrinsic defects in the host material.
Marcel Möller +2 more
doaj +1 more source
Optical bistability in subwavelength apertures containing nonlinear media
, 2004 We develop a self-consistent method to study the optical response of metallic gratings with nonlinear media embedded within their subwavelength slits. An optical Kerr nonlinearity is considered. Due to the large E-fields associated with the excitation of
E. Popov +4 more
core +1 more source
Scaling laws in spherical shell dynamos with free-slip boundaries
, 2013 Numerical simulations of convection driven rotating spherical shell dynamos have often been performed with rigid boundary conditions, as is appropriate for the metallic cores of terrestrial planets.
Christensen, Ulrich R. +2 more
core +1 more source
Advanced Functional Materials, EarlyView.Reducing power consumption in spintronic memory remains a major challenge due to the need for high current densities. A bilayer of gadolinium and holmium iron garnets enables purely temperature‐induced, nonvolatile magnetic switching with bistable states within a ±25 K range. This approach achieves up to 66‐fold lower energy use than current spin–orbit
Junseok Kim +3 more
wiley +1 more source