What Materials are Suitable for Optical Spin Injection?
Materials with direct band gaps and strong spin-orbit coupling are particularly suitable for optical spin injection. Some of the commonly used materials include: - Gallium Arsenide (GaAs): Known for its direct band gap and high electron mobility. - Indium Arsenide (InAs): Offers strong spin-orbit coupling and high efficiency in spin injection. - Graphene: Though it is a semimetal, it has shown promise due to its exceptional electronic properties and potential for spin transport.
