Abstract
In this work the generation of the microwave oscillations by multilayered structure, which consists of two nanosized ferromagnetic layers La 2/3 Sr 1/3 MnO 3 (LSMO) and Au separated by barrier multiferroic layer (2nm thickness) La 0.1 Bi 0.9 MnO 3 (LBMO) mediated by dc-current, is considered. The proposed approach is based on the macrospin approximation and spin-wave analysis of the magnetization. We find the main characteristics of the spintronic microwave oscillator — the output power and generation frequency. We discuss the recent demonstrations of giant resistive switching observed in ferroelectric tunnel junctions and its potential applications in microwave generation. Summary the main result, that we find in our work, that the output power of the multiferroic tunnel-junction spin-torque nanooscillator is near tens of milliwatts, which is quite enough for teleccomunication applications of these samples.
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