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Phase-Sensitive Imaging of Ferromagnetic Resonance Using Ultrafast Heat Pulses
2015
Physical Review Applied
Measuring local magnetization dynamics and its spatial variation is essential for advancements in spintronics and relevant applications. Here we demonstrate a phase-sensitive imaging technique for studying patterned magnetic structures based on picosecond laser heating. With the timeresolved anomalous Nernst effect (TRANE) and extensions, we simultaneously image the dynamic magnetization and RF driving current density. The stroboscopic detection implemented in TRANE microscopy provides access
doi:10.1103/physrevapplied.4.044004
fatcat:dtc4jpz5q5bzfg2extuwgb53ja