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

P. K. Muduli; R. C. Budhani

doi:10.1063/1.3139770

paper

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

arXiv:0904.4092 · doi:10.1063/1.3139770

Abstract

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.

10 pages, 4 figures

References in corpus (3)

Positive exchange bias in ferromagnetic La0.67Sr0.33MnO3 / SrRuO3 bilayers
Superconducting and normal-state interlayer-exchange-coupling in La $_{0.67}$ Sr $_{0.33}$ MnO $3$ -YBa $_{2}$ Cu $_{3}$ O $_{7} - L a$ _{0.67} $S r$ _{0.33} $M n O$ {3}$ epitaxial trilayers
Magnetization depinning transition, anisotropic magnetoresistance and inplane anisotropy in two polytypes of La $_{2/3}$ Sr $_{1/3}$ MnO $_{3}$ epitaxial films

Tailoring exchange bias in half-metallic La2/3​Sr1/3​MnO3​ thin films for spin-valve applications

Abstract

References in corpus (3)

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