| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1605781 | Journal of Alloys and Compounds | 2016 | 5 Pages |
•Poling treatment induced a non-linear strain in FeBSiC/PMN-PT heterostructures.•Non-volatile tuning of magnetization by poling electric field was demonstrated.•109°ferroelastic domain switching induced large shift in the magnetic anisotropy.•FeBSiC/PMN-PT heterostructures are promising for magnetoelectric device applications.
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.
