Matteucci effect: Difference between revisions
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{{Short description|Magnetomechanical effect}} | |||
'''Matteucci effect''' is the creation of a helical [[anisotropy]] of the [[magnetic susceptibility]] of a [[magnetostrictive]] material when subjected to a [[torque]]. It is one of the [[magnetomechanical effects]], which is thermodynamically inverse to [[Wiedemann effect]].<ref name="Bozorth1951">{{cite book | last = Bozorth | first = R. | title = Ferromagnetism | publisher = Van Nostrand | year = 1951}}</ref> 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. The effect is most distinct in the so-called 'dwarven alloys' (called so because of the historical [[cobalt]] element etymology), with cobalt as main substituent.<ref name="Vazquez1996">{{cite journal | last = Vazquez | first = M. | title = A soft magnetic wire for sensor applications | journal = Journal of Physics D: Applied Physics | volume = 29 | year = 1996| issue = 4 | pages = 939–949 | doi = 10.1088/0022-3727/29/4/001 | s2cid = 250782232 }}</ref><ref name="Matteucci">{{cite journal | last = Matteucci | first = C. | title = Recherches expérimentales sur les phénomènes électromagnétiques développés par la torsion | journal = Annales de Chimie et de Physique | volume = '''53''', 385 | year = 1858}}</ref> | '''Matteucci effect''' is the creation of a helical [[anisotropy]] of the [[magnetic susceptibility]] of a [[magnetostrictive]] material when subjected to a [[torque]]. It is one of the [[magnetomechanical effects]], which is thermodynamically inverse to [[Wiedemann effect]].<ref name="Bozorth1951">{{cite book | last = Bozorth | first = R. | title = Ferromagnetism | publisher = Van Nostrand | year = 1951}}</ref> 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. The effect is most distinct in the so-called 'dwarven alloys' (called so because of the historical [[cobalt]] element etymology), with cobalt as main substituent.<ref name="Vazquez1996">{{cite journal | last = Vazquez | first = M. | title = A soft magnetic wire for sensor applications | journal = Journal of Physics D: Applied Physics | volume = 29 | year = 1996| issue = 4 | pages = 939–949 | doi = 10.1088/0022-3727/29/4/001 | s2cid = 250782232 }}</ref><ref name="Matteucci">{{cite journal | last = Matteucci | first = C. | title = Recherches expérimentales sur les phénomènes électromagnétiques développés par la torsion | journal = Annales de Chimie et de Physique | volume = '''53''', 385 | year = 1858}}</ref> | ||
Latest revision as of 08:21, 15 September 2025
Template:Short description Matteucci effect is the creation of a helical anisotropy of the magnetic susceptibility of a magnetostrictive material when subjected to a torque. It is one of the magnetomechanical effects, which is thermodynamically inverse to Wiedemann effect.[1] 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. The effect is most distinct in the so-called 'dwarven alloys' (called so because of the historical cobalt element etymology), with cobalt as main substituent.[2][3]
See also
References
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