FerromagnetAntiferromagnet FMAF bilayer NiFeF2 - PowerPoint PPT Presentation
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FerromagnetAntiferromagnet FMAF bilayer NiFeF2
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Finite remanent magnetization MR state, i.e. a particular ferromagnetic domain ... The sample is zero field cooled in this state below the AF transition ... – PowerPoint PPT presentation
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Title: FerromagnetAntiferromagnet FMAF bilayer NiFeF2
1
Imprinting Magnetic Domains
- Ferromagnet-Antiferromagnet (FM-AF) bilayer
(Ni-FeF2) - Finite remanent magnetization MR state, i.e. a
particular ferromagnetic domain configuration is
prepared. - The sample is zero field cooled in this state
below the AF transition temperature, TN ? 78K. - Domain structure of the FM is imprinted into the
AF. - FM magnetization loop splits into two parts
corresponding to the domains with opposite
magnetization directions shifted to the negative
-HEB, and the positive HEB field.
cooling
TgtTN
TltTN
M MR
Physics Department, University of California
San Diego, Ivan K. Schuller et al.
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