Spin Valve Transistor

In a world of ubiquitous presence of electrons can you imagine any other
field displacing it? It may seem peculiar, even absurd, but with the advent of
spintronics it is turning into reality.
In our conventional electronic devices we use semi conducting materials
for logical operation and magnetic materials for storage, but spintronics uses
magnetic materials for both purposes. These spintronic devices are more versatile
and faster than the present one. One such device is spin valve transistor.

Spin valve transistor is different from conventional transistor. In this for
conduction we use spin polarization of electrons. Only electrons with correct spin
polarization can travel successfully through the device. These transistors are used
in data storage, signal processing, automation and robotics with less power
consumption and results in less heat. This also finds its application in Quantum
computing, in which we use Qubits instead of bits