Tailoring exchange bias in half-metallic La$_{2/3}$Sr$_{1/3}$MnO$_{3}$ thin films for spin-valve applications

We have utilized the antiferromagnetic nature and structural/chemical compatibility of La $_{0.45}$ Sr $_{0.55}$ MnO $_{3}$ with highly spin polarized La $_{0.67}$ Sr $_{0.33}$ MnO $_{3}$ to prepare epitaxial exchange bias couples. A robust exchange bias (EB) shift of magnetization hysteresis with associated interfacial exchange energy J $\approx$ 0.13 erg/cm $^{2}$ at 10 K along with enhanced coercivity are reported. The EB effect was engineered to bring coercivity contrast between La $_{0.67}$ Sr $_{0.33}$ MnO $_{3}$ and cobalt films in La $_{0.45}$ Sr $_{0.55}$ MnO $_{3}$ /La $_{0.67}$ Sr $_{0.33}$ MnO $_{3}$ /SrTiO $_{3}$ /Co magnetic tunnel junctions.

Tailoring exchange bias in half-metallic La $_{2 / 3}$ Sr $_{1 / 3}$ MnO $_{3}$ thin films for spin-valve applications

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Tailoring exchange bias in half-metallic La $_{2 / 3}$ Sr $_{1 / 3}$ MnO $_{3}$ thin films for spin-valve applications

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Tailoring exchange bias in half-metallic La2/32/3​Sr1/31/3​MnO33​ thin films for spin-valve applications

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Tailoring exchange bias in half-metallic La2/32/3​Sr1/31/3​MnO33​ thin films for spin-valve applications

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Tailoring exchange bias in half-metallic La $_{2 / 3}$ Sr $_{1 / 3}$ MnO $_{3}$ thin films for spin-valve applications

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Tailoring exchange bias in half-metallic La $_{2 / 3}$ Sr $_{1 / 3}$ MnO $_{3}$ thin films for spin-valve applications

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AI智能校验