Abstract
Amorphous FeBSiC thin films were deposited on PMN-PT (Pb(Mg1/3Nb2/3)O3-PbTiO3)(001) single crystal substrate by DC magnetron sputtering. The effects of piezoelectric-poling-induced strain on the magnetic properties of the FeBSiC/PMN-PT heterostructures were investigated. Studies indicated that the non-linear strains in PMN-PT were induced by poling at different electric fields, with tensile strain for out-of-plane direction and compressive strain for in-plane direction, respectively. Moreover, the in-plane compressive strain increased the saturation magnetization of the FeBSiC thin film, while the out-of-plane tensile strain decreased it. These results could be attributed to the 109°ferroelastic domain switching at applied electric field, which induced large variation in magnetic anisotropy due to magnetoelectric coupling in the FeBSiC/PMN-PT heterostructures. This study demonstrates the non-volatile tuning of magnetism by non-linear strains of lattice induced by the piezoelectric-poling, which shows promising applications for energy efficient magnetoelectric devices.
| Original language | English |
|---|---|
| Pages (from-to) | 96-100 |
| Number of pages | 5 |
| Journal | Journal of Alloys and Compounds |
| Volume | 676 |
| DOIs | |
| State | Published - 15 Aug 2016 |
| Externally published | Yes |
Keywords
- FeBSiC
- Ferroelectric-poling-inducing
- Magnetism modulation by electric field
- Magnetoelectric effect
- Non-linear lattice strain
- PMN-PT
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