Fig. 1: The milestone discovery of spintronics.
From: Emerging ferromagnetic materials for electrical spin injection: towards semiconductor spintronics
Schematic of (a) spin valve structure based on the giant magnetoresistance effect; (b), magnetic tunnel junction structure based on the tunneling magnetoresistance effect; (c), spin transfer torque switching; (d), spin orbit torque switching and (e) the Datta and Das spin transistor. Images of c and d are reprinted with permission from ref. 9 Copyright 2020 Wiley Periodicals, Inc.
