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Symmetry Theory of the Flexomagnetoelectric Effect in the Bloch Lines
Materials Science · Submitted 2 Sep 2011
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim New type of the flexomagnetoelectric coupling, determined by the spatial derivatives of the electric polarization can be found in the vicinity of the Curie temperature or compensation point of the ferrimagnets.
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The abstract, sentence by sentence
It was shown, that there are 48 magnetic point groups of the Bloch lines including 22 (11 time-invariant and 11 time-noninvariant) enantimorphic and 26 non-enantiomorphic groups. The Bloch lines with the time-noninvariant enantiomorphism have identical types (parities) of the magnetization and polarization dependences. The soliton like Bloch lines are derived from the symmetry classification. The tip electrode method of the creation of these Bloch lines is suggested for the potential applications in the magnetoelectric memory devices. The method of the experimental determination of the flexomagnetoelectric properties of the Bloch lines carried by the Bloch domain walls has been suggested. New type of the flexomagnetoelectric coupling, determined by the spatial derivatives of the electric polarization can be found in the vicinity of the Curie temperature or compensation point of the ferrimagnets. The multiple states Bloch line based magnetoelectric/multiferroic memory is proposed. It can be considered as a concept of the magnetoelectric enhancement of existing Bloch line memory invention.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | It was shown, that there are 48 magnetic point groups of the Bloch lines including 22 (11 time-invariant and 11 time-noninvariant) enantimorphic and 26 non-enantiomorphic groups. | result 0.91 | 0.58 | 0.29 | asserted 1.00 |
| s1 | The Bloch lines with the time-noninvariant enantiomorphism have identical types (parities) of the magnetization and polarization dependences. | result 0.97 | 0.61 | 0.16 | asserted 1.00 |
| s2 | The soliton like Bloch lines are derived from the symmetry classification. | result 0.56 | 0.79 | 0.14 | asserted 1.00 |
| s3 | The tip electrode method of the creation of these Bloch lines is suggested for the potential applications in the magnetoelectric memory devices. | future work 0.48 | 0.48 | 0.09 | hedged possibility 0.90 |
| s4 | The method of the experimental determination of the flexomagnetoelectric properties of the Bloch lines carried by the Bloch domain walls has been suggested. | method 0.79 | 0.41 | 0.10 | hedged possibility 0.62 |
| s5 | New type of the flexomagnetoelectric coupling, determined by the spatial derivatives of the electric polarization can be found in the vicinity of the Curie temperature or compensation point of the ferrimagnets. | result 0.92 | 0.70 | 0.26 | hedged possibility 0.52 |
| s6 | The multiple states Bloch line based magnetoelectric/multiferroic memory is proposed. | contribution 0.62 | 0.46 | 0.31 | asserted 0.40 |
| s7 | It can be considered as a concept of the magnetoelectric enhancement of existing Bloch line memory invention. | interpretation 0.98 | 0.17 | 0.14 | hedged possibility 0.75 |
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Original abstract
It was shown, that there are 48 magnetic point groups of the Bloch lines including 22 (11 time-invariant and 11 time-noninvariant) enantimorphic and 26 non-enantiomorphic groups. The Bloch lines with the time-noninvariant enantiomorphism have identical types (parities) of the magnetization and polarization dependences. The soliton like Bloch lines are derived from the symmetry classification. The tip electrode method of the creation of these Bloch lines is suggested for the potential applications in the magnetoelectric memory devices. The method of the experimental determination of the flexomagnetoelectric properties of the Bloch lines carried by the Bloch domain walls has been suggested. New type of the flexomagnetoelectric coupling, determined by the spatial derivatives of the electric polarization can be found in the vicinity of the Curie temperature or compensation point of the ferrimagnets. The multiple states Bloch line based magnetoelectric/multiferroic memory is proposed. It can be considered as a concept of the magnetoelectric enhancement of existing Bloch line memory invention.
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