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arxiv: 0711.2060 · v1 · submitted 2007-11-13 · ❄️ cond-mat.str-el

Ca3(Ru1-xCrx)2O7: A new paradigm for spin valves

classification ❄️ cond-mat.str-el
keywords spineffectru1-xcrxvalvevalvesanisotropicavenuesbilayered
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The spin valve effect is a quantum phenomenon so far only realized in multilayer thin films or heterostructures. Here we report a strong spin valve effect existing in bulk single crystals of Ca3(Ru1-xCrx)2O7 having an anisotropic, bilayered crystal structure. This discovery opens new avenues to understand the underlying physics of spin valves, and fully realize its potential in practical devices.

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