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Articles, 2 records found
Articles 2 records found  
1.
Nanoscopic spin-wave channeling along programmable magnetic domain walls in a CoFeB/BaTiO3 multiferroic heterostructure / Zhu, Weijia (Aalto University School of Science. Department of Applied Physics) ; Qin, Huajun (Wuhan University) ; Van Dijken, Sebastiaan (Aalto University School of Science. Department of Applied Physics)
We report a micromagnetic study on spin-wave propagation along magnetic domain walls in a ferromagnetic/ferroelectric bilayer. In our system, strain coupling between the two ferroic materials and inverse magnetostriction produce a fully correlated domain pattern wherein straight and narrow ferroelectric domain walls pin the magnetic domain walls. [...]
2024 - 10.1063/5.0179748
Applied physics letters, Vol. 124, Issue 4 (January 2024) , art. 042401  
2.
6 p, 2.3 MB Zero-field routing of spin waves in a multiferroic heterostructure / Zhu, Weijia (Aalto University School of Science. Department of Applied Physics) ; Qin, Huajun (Aalto University School of Science. Department of Applied Physics) ; Flajšman, Lukáš (Aalto University School of Science. Department of Applied Physics) ; Taniyama, Tomoyasu (Nagoya University. Department of Physics) ; Van Dijken, Sebastiaan (Aalto University School of Science. Department of Applied Physics)
We report zero-field routing of spin waves in a multiferroic heterostructure comprising a ferromagnetic Fe film and a ferroelectric BaTiO3 substrate with fully correlated strain-coupled domains. In the Fe film, a regular alternation of magnetic anisotropy produces a back-and-forth rotation of uniform magnetization in zero magnetic field. [...]
2022 - 10.1063/5.0086430
Applied physics letters, Vol. 120, Issue 11 (March 2022) , art. 112407  

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