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Magnetic phase transition in cobalt

Topography (left column) and corresponding MFM images (right) of the cobalt monocrystal. Magnetic images show changes of the domain structure at heating ( : 220°C, 250°C, 290°C).

Sample courtesy of Prof. A.G. Pastushenkov, Tver University, Russia.


magnetic_phase_t_in_c_300c
magnetic_phase_t_in_c_300c
290oC


size: 54x54 um
SPM principle: AC MFM
magnetic_phase_t_in_c_300
Magnetic phase transition in cobalt


size: 54x54 um
SPM principle: Intermittent contact mode
magnetic_phase_t_in_c_300b
250oC


size: 54x54 um
SPM principle: AC MFM
magnetic_phase_t_in_c_300a
220oC


size: 54x54 um
SPM principle: AC MFM
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