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Matteucci effect is one of the magnetomechanical effects, which is thermodynamically inverse to Wiedemann effect. This effect was described by Carlo Matteucci in 1858. It is observable in amorphous wires with helical domain structure, which can be obtained by twisting the wire, or annealing under twist.
Two other effects are related to magnetostriction: the Matteucci effect is the creation of a helical anisotropy of the susceptibility of a magnetostrictive material when subjected to a torque and the Wiedemann effect is the twisting of these materials when a helical magnetic field is applied to them.
Magnetomechanical effects connect magnetic, mechanical and electric phenomena in solid materials. Magnetostriction. Inverse magnetostrictive effect. Wiedemann effect. Matteucci effect. Guillemin effect. Magnetostriction is thermodynamically opposite to inverse magnetostriction effect.
27. Apr. 2021 · The converse to the Wiedemann effect is the Matteucci effect , the appearance of a helical magnetization component at the end of a twisted sample upon changing the axial sample magnetization . The effect has been exploited in micro-fluxgate sensors, where a helical magnetization is imposed on an amorphous Fe 77.5 Ni 7.5 B 15 wire of ...
- Dirk Sander
- sander@mpi-halle.de
The Matthew effect of accumulated advantage, sometimes called the Matthew principle, is the tendency of individuals to accrue social or economic success in proportion to their initial level of popularity, friends, and wealth. It is sometimes summarized by the adage or platitude "the rich get richer and the poor get poorer".
13. Dez. 2018 · Matteucci effect (ME) is one of many magnetomechanical effects described by early investigators of electromagnetic phenomena. In ME, the circumferential magnetization component of a given material, mostly in the form of wire or tube, switches with the application of an axial magnetic field.
Systematic experimental results on the Matteucci effect in torsioned magnetostrictive FeSiB microwire are introduced, observed during the propagation of a single domain wall (DW) under the action of axial driving magnetic field, Hdr. These data are discussed, reviewing current bibliography models and proposing new perspectives.
