Why in the news?
Researchers from the Institute of Nano Science and Technology (INST) have discovered a new mechanism to generate and control spin currents using sound waves, opening avenues for low-power computing, spintronics, and quantum technologies.
Key Highlights
- Researchers developed a method to generate magnon-based spin currents using Surface Acoustic Waves (SAWs).
- The study was published in Physical Review B.
- It offers a pathway towards Energy-efficient electronics, Quantum computing, Next-generation communication technologies.
Why is this Important?
- Limitations of Conventional Electronics: Traditional electronics use: Movement of electric charge (electrons)
- Problems: Heat generation, Energy loss, Reduced efficiency at smaller scales
What is Spintronics?
Spintronics (Spin Electronics) is a technology that uses the Spin of electrons. Along with their charge to process and store information.
Advantages
- Lower power consumption.
- Faster processing speeds.
- Reduced heat generation.
- Higher data storage density.
What are Magnons?
Magnons are Quanta of spin waves or collective disturbances in the magnetic ordering of a material.
What are Surface Acoustic Waves (SAWs)?
Surface Acoustic Waves are Sound waves that travel along the surface of a material.
Characteristics
- Cause tiny mechanical vibrations.
- Commonly used in: Mobile communication filters, Sensors, Signal processing devices.
[2022] Which one of the following is the context in which the term “qubit” is mentioned?
[A] Cloud Services
[B] Quantum Computing
[C] Visible Light Communication Technologies
[D] Wireless Communication Technologies