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  • Title: Template nanowires for spintronics applications: nanomagnet microwave resonators functioning in zero applied magnetic field.
    Author: Mourachkine A, Yazyev OV, Ducati C, Ansermet JP.
    Journal: Nano Lett; 2008 Nov; 8(11):3683-7. PubMed ID: 18850757.
    Abstract:
    Low-cost spintronic devices functioning in zero applied magnetic field are required for bringing the idea of spin-based electronics into the real-world industrial applications. Here we present first microwave measurements performed on nanomagnet devices fabricated by electrodeposition inside porous membranes. In the paper, we discuss in details a microwave resonator consisting of three nanomagnets, which functions in zero external magnetic field. By applying a microwave signal at a particular frequency, the magnetization of the middle nanomagnet experiences the ferromagnetic resonance (FMR), and the device outputs a measurable direct current (spin-torque diode effect). Alternatively, the nanodevice can be used as a microwave oscillator functioning in zero field. To test the resonators at microwave frequencies, we developed a simple measurement setup.
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