Is Spintronics the Future of the Electronics Industry?

Reylan
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Developing smaller, more efficient, and more powerful electronic devices has been the trend. However, as the size of the individual bits approaches atomic dimension, tunneling effects as well as heat-control are expected to cause major problems and essentially render the conventional use of electric charge in the digital logic all but useless. This basically suggests the existence of a fundamental limit in the miniaturization process if electric charge continues to be the centerpiece in the digital logic of these devices.

Instead of using the presence or absence of charge in the digital logic, Will we be looking at a future of positive and negative 1/2 spin as the core of digital logic? As a direct product of miniaturization, is spintronics the future of the electronics industry?
 
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Yes, it is possible that spintronics will be the future of the electronics industry. Spintronics is a relatively new technology that exploits electron spin to control the flow of electrical current instead of electric charge. It has many advantages over traditional electronics, including more efficient energy usage, faster switching times, and more powerful logic operations. Additionally, spintronics can be used to build devices with much smaller physical sizes than those currently available with traditional electronic components. This makes them ideal for applications such as medical implants, nanoscale sensors, and quantum computing. As such, spintronics may become the primary technology used in the development of ultra-small and powerful electronic devices in the near future.
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
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