Objective: Estimate spin-orbit coupling in in a wide variety of organic semiconductors.Â
Approach: Use pulsed microwave excitation in ferromagnets to generate spin-current in organic semiconductor thin films with weak spin orbit coupling, which induces a measurable voltage.
Results and Significance: The ability to pump large pure spin currents into most classes of organic semiconductors offers a robust methodology for investigating spin-transport properties, and a simple method to probe the strength of the spin-orbit coupling in these devices.
