Exchange bias and magneto-resistance in an all-oxide spin valve with multi-ferroic BiFeO3 as the pinning layer

Lin, Wei; Chang, Wei; Qi, Xiaoding

doi:10.1016/j.actamat.2013.08.054

Cited by 8 publications

(2 citation statements)

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“…Exchange bias is one of the key concepts in spin valves, which has revolutionized the field of magnetic recording and memory devices, by allowing the pinning of the magnetization direction of one of the magnetic electrodes. Lin, et al [64] fabricated an all-oxide spin valve with the ferroelectric antiferromagnet BiFeO3 (BFO) as the pinning AFM-layer (TN = 385 °C). The multi-layered spin-valve, where two ferrimagnetic (FM) Zn0.7Ni0.3Fe2O4 (ZNFO) layers are separated by a nonmagnetic conducting layer, was grown epitaxially on a (001) SrTiO3 substrate, as shown in Figure 11a.…”

Section: Exchange Bias (Afm/fm Interfaces)mentioning

confidence: 99%

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Nanostructured ZnFe2O4: An Exotic Energy Material

2021

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More people, more cities; the energy demand increases in consequence and much of that will rely on next-generation smart materials. Zn-ferrites (ZnFe2O4) are nonconventional ceramic materials on account of their unique properties, such as chemical and thermal stability and the reduced toxicity of Zn over other metals. Furthermore, the remarkable cation inversion behavior in nanostructured ZnFe2O4 extensively cast-off in the high-density magnetic data storage, 5G mobile communication, energy storage devices like Li-ion batteries, supercapacitors, and water splitting for hydrogen production, among others. Here, we review how aforesaid properties can be easily tuned in various ZnFe2O4 nanostructures depending on the choice, amount, and oxidation state of metal ions, the specific features of cation arrangement in the crystal lattice and the processing route used for the fabrication.

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Section: Exchange Bias (Afm/fm Interfaces)mentioning

confidence: 99%

“…( c ) Temperature dependence of the exchange bias ( H ex ) and saturation magnetization ( M s). ( d ) The MR measured in such a spin valve heterostructures (Reproduced with permission from [ 64 ]. Copyright Elsevier, 2013).…”

Section: Figurementioning

confidence: 99%