期刊
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
卷 35, 期 8, 页码 2241-2245出版社
SPRINGER
DOI: 10.1007/s10948-022-06224-6
关键词
Caustic; Magnetoelastic waves; Galfenol
资金
- Ministry of Science and Higher Education of the Russian Federation [122021000035-6]
- IMP UB RAS within the state assignment of Ministry of Science and Higher Education of Russia [122021000035-6, m1-21]
This paper investigates the vicinities of two resonance points where longitudinal and transverse elastic waves interact with the magnetic mode. It calculates the caustic patterns of magnetoelastic waves (MEW) in Fe1-xGax galfenol crystals with two compositions (x = 0.18 and x = 0.086). The study of MEW focusing and caustic is based on the analysis of constant frequency surfaces obtained in the continuous medium model. The research reveals that the caustic patterns significantly depend on the magnitude of external magnetic field and galfenol composition.
The vicinities of two resonance points where longitudinal and transverse elastic waves interact with the magnetic mode are considered. The caustic patterns of magnetoelastic waves (MEW) in galfenol crystals Fe1-xGax with two compositions (x = 0.18 and x = 0.086) are calculated. The investigation of MEW focusing and caustic is based on the analysis of constant frequency surfaces, which are obtained in the model of continuous medium. It was found that the caustic patterns significantly depend on the magnitude of external magnetic field and galfenol composition.
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