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MFM studies of magnetic domain patterns in bulk barium ferrite (BaFe12O19) single crystals |
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| Authors: | Jeevan JalliYang-Ki Hong Gavin S AboSeok Bae Jae-Jin LeeJi-Hoon Park Byoung C ChoiSeong-Gon Kim |
| Institution: | a Department of Electrical and Computer Engineering and MINT Center, The University of Alabama, Tuscaloosa, AL 35487, USA b Department of Physics and Astronomy, University of Victoria, British Colombia, Victoria, Canada V8W 3P6 c Department of Physics and Astronomy, Mississippi State University, Mississippi State, MS 39762, USA |
| Abstract: | Magnetic domain patterns in bulk barium ferrite (BaFe12O19; BaM) single crystals on the basal plane and the prism plane were measured and studied by magnetic force microscopy (MFM). The surface domain pattern is in the form of flowers or star on the basal plane and long elongated spikes or stripe domains on the prism plane. The change in domain structure with applied field (Happ) and the thickness (T) dependence on domain width (δ) was observed. The domain width decreased from 32 to 9 μm for the crystals of 800-100 μm thicknesses, respectively. |
| Keywords: | Hexagonal barium ferrites Magnetic force microscopy Magnetic domain patterns |
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