Low-frequency resonance of domain walls in the iron garnet Tb{sub 3}Fe{sub 5}O{sub 12} near the magnetic compensation point
Journal Article
·
· Journal of Experimental and Theoretical Physics
- Ouloug-Beg National University of Uzbekistan (Uzbekistan)
The vibrational motion dynamics of domain walls (DWs) in the iron garnet Tb{sub 3}Fe{sub 5}O{sub 12}, a low-frequency magnetic field, and the temperature range 200-295 K (which includes the magnetic compensation point of this ferrimagnet, T{sub c} Almost-Equal-To 249 K) is studied by a magnetooptical method. The temperature dependence of the DW vibration amplitude in this garnet crystal near T{sub c} has a resonance character. A theoretical model of the magnetic resonance of DWs is proposed to interpret the obtained experimental results; according to this model, the DW mass tends to infinity and the resonance frequency tends to zero when temperature approaches the magnetic compensation point.
- OSTI ID:
- 22126487
- Journal Information:
- Journal of Experimental and Theoretical Physics, Vol. 116, Issue 5; Other Information: Copyright (c) 2013 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7761
- Country of Publication:
- United States
- Language:
- English
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