Advances in device cooling – POSTECH and KAIST use gold structures

Advances in Device Cooling: POSTECH and KAIST Collaborate to Reduce Overheating Using Gold Structures

The latest research from POSTECH, KAIST, and Chungnam University reveals a revolutionary approach to heat control in electronic devices through gold nanostructures and spin waves, improving data transmission and reducing heating by over 250%.

Advances in Device Cooling: POSTECH and KAIST Collaborate to Reduce Overheating Using Gold Structures
Photo by: Domagoj Skledar/ arhiva (vlastita)

In recent years, the problem of overheating electronic devices is becoming an increasingly significant challenge due to the growing complexity and miniaturization of technology, particularly with the rise in popularity of artificial intelligence and cloud computing. The heating of devices occurs due to the movement of electrons, which release heat during the transfer and processing of data. Researchers from POSTECH, in collaboration with colleagues from Chungnam National University and KAIST, have developed an innovative approach using "spin waves" that could interrupt this heating cycle.


Spin waves: an alternative that does not heat


Spin waves utilize the magnetic characteristics of electrons, allowing for the transmission of information without the heat losses caused by the flow of electrons. Although spin waves theoretically represent a more energy-efficient method of data transfer, there has not been a technology that allows independent control of the temperature of spin waves within materials. This technology is now enhanced by the addition of gold nanostructures to a magnetic insulator, which enables the creation of a thermal gradient within the material and increases transfer efficiency by more than 250% compared to previous methods.


New approach: gold nanostructures as heat regulators


The research team from POSTECH found inspiration in automotive engine cooling systems. By applying gold nanostructures at one end of the magnetic insulator, the team achieved temperature control within a thin layer of material. Gold, due to its ability to transfer heat, creates a controlled thermal gradient in the thin layer, allowing for better steering of spin waves and significantly increasing the efficiency of data transfer.


Impact on the future of electronic devices


This advancement opens the door to new possibilities in developing devices that could have better energy efficiency and be less prone to overheating. The application of spin waves could become the foundation for the next generation of technologies in communication and computing, including applications in quantum computing, where effective heat management proves crucial.


Research success and future applications


Professor Hyungyu Jin, the leader of the research team, stated that this technology represents a significant advancement in developing energy solutions for the electronic devices of the future. Dr. Sang Jun Park also emphasized that this solution could have wide-ranging applications, not only in data transmission but also in the development of devices that maintain long-term performance stability and energy efficiency. It is expected that the new technology will soon become the foundation for developing cooler and longer-lasting devices, thereby addressing the problem of overheating modern devices in the long term.


This project has been supported by the Samsung Future Technology Incubation Program, the Korea Science Foundation, and the Ministry of Education, Science and Technology. The technological innovation of the teams from POSTECH, KAIST, and Chungnam National University is recognized as a step toward more energy-efficient devices for the future, without overheating that reduces the performance and longevity of modern electronic devices.

Source: Pohang University of Science and Technology

Czas utworzenia: 25 października, 2024
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