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Wide range voltage-impulse-controlled nonvolatile magnetic memory in magnetoelectric heterostructure
Du, W; Liu, ML; Su, H; Zhang, HW; Liu, B; Meng, H; Xu, GS; Peng, R; Tang, XL
2020-11-30
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Issue22
SubtypeArticle
AbstractThe voltage impulse-induced large, nonvolatile, and tunable magnetization switching in a Ni80Co20/Pb(Mg, Nb)O-3-PbTiO3 (PMN-PT) structure was investigated at room temperature. Ni80Co20 was deposited onto a specified PMN-PT substrate with defect dipoles. By exploiting defect dipoles, a distinct and stable strain memory state was achieved at zero electric field. It induces and sustains two distinct magnetization states when removing an electric field via the magnetoelectric coupling effect. Via the detailed x-ray diffraction and piezoresponse force microscopy analyses, the polarization switching pathway and the lattice strain in response to the in situ electric field were investigated to understand the microscopic mechanisms behind the nonvolatile magnetic memory. Furthermore, the impulse electric field can be selected in the range between the coercive field and the saturation field of the PMN-PT, leading to a wide range controlling technique. This work provides a promising way to produce a large and nonvolatile magnetic memory in magnetoelectric heterostructure and is significant for ultra-low-power information storage devices.
DOI10.1063/5.0033319
Language英语
WOS Research AreaPhysics
PublisherAMER INST PHYSICS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27606
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Du, W,Liu, ML,Su, H,et al. Wide range voltage-impulse-controlled nonvolatile magnetic memory in magnetoelectric heterostructure[J]. APPLIED PHYSICS LETTERS,2020(22).
APA Du, W.,Liu, ML.,Su, H.,Zhang, HW.,Liu, B.,...&Tang, XL.(2020).Wide range voltage-impulse-controlled nonvolatile magnetic memory in magnetoelectric heterostructure.APPLIED PHYSICS LETTERS(22).
MLA Du, W,et al."Wide range voltage-impulse-controlled nonvolatile magnetic memory in magnetoelectric heterostructure".APPLIED PHYSICS LETTERS .22(2020).
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