Spintronics is an emerging technology that facilitates the exploitation of electrons’ intrinsic spin, its fundamental electronic charge, and associated magnetic moment. Instead of merely leveraging the negative charge of the electron to manipulate stored information or electron motion, the technology relies on the degree of freedom of the electron’s spin. 

An electron’s spin is directly proportional to its magnetic moment, and its manipulation is closely related to the applied external magnetic field. There are numerous benefits of spin-based electronics, such as their non-volatility compared to the electronics based on the electron charge alone. Additionally, using it, quantum-mechanical computing, which is a key application of this technology, could be achieved at speeds unimaginable with the current methods of computing.

Common Applications of Spintronics

Moreover, it has enabled the packaging of an increasing number of electronic devices into smaller spaces, which has been hindered till now by the limits of the physical space, thus propelling us on the path to true microelectronics. In addition, this new technique, may help in meeting the challenges associated with volatile memory, which is incapable of retaining information after being powered off, thus driving down computing speeds.

Emerging Applications of Spintronics in Healthcare

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Spintronics is utilized in the health sector for the detection of cancer, even when there are few cells. The cells in the patient’s body get magnetized after being exposed to a strong magnetic field. After this, a beam of electrons with polarized spin is emitted at the unaffected part of the body and at the area where the cancer is suspected. The difference in the electrons’ spin in the normal and abnormal areas reflects the presence or absence of mutated cells.

Therefore, the numerous advantages of spintronics make it massively useful in a host of various industrial applications, the number of which will only increase with time.