Theory and modelling of spin-transfer-torque based electronic devices

In this chapter, we have mainly discussed STT-based classical devices. However, the promise of spin-based computing extends far beyond the devices discussed in this chapter. Some of the other promising technologies that can be employed for spin-based classical computation include quantum dots, quantum Hall bars, spins trapped in nitrogen vacancy centers, etc. Such technologies are still in their infancy and a lot of progress need to be made before such technologies may be incorporated in consumer level systems.