Electronic elements, like the integrated circuits, diodes, transistors, capacitors, and resistors, to name a few, are designed and developed to resist specific levels or amounts of heat. Nevertheless, different internal and external conditions result in overheating, and this can potentially cause damage to an electronic component. This particular research shows a possible solution to the mobile device's overheating problems.
Incidentally, today's computer memory functions by encoding information through switching of magnetic bits within devices. More so, according to techexplorist.com, "Scientists from the NUS Electrical and Computer Engineering has discovered a new effective way of using 'spin waves' to switch magnetization at room temperature" for more energy-saving logic devices and spin memory.
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Overheating Devices
Customary electric chips are suffering from the considerable 'Joule Heat,' which takes place because of the electrical current flow that produced high temperatures. The said the heat of overheating mobile phones is caused by swift motion and frequent crash or accident "among moving charges inside the devices." This serious issue does not just produce a large amount of dissipation of power. Still, it hinders, too, the processing speed and restricts the number of chips that can be integrated into appliances.
This research's team leader, Professor Yang Hunsoo, said they always experience such issues and inconveniences each time they use their computer, mobile phone, as well as their other electronic devices. Yang noted that frequently, they find the said devices to become "hot" and Slow. More so, they found the need to charge them more often, and then, bring another portable charger or power bank at times. This is because the said devices overheat fast. Or, if not, they easily run out of battery life.
Use of Spin Waves and Magnon Torque
Consequently, instead of grasping the standard electron injection approach used in the customary electronics, the team of Professor Yang Creatively used the "spin waves" for their switching of magnetization. Then, from the "quasiparticle," these spin waves are now called the "magnons." Meanwhile, a team of researchers from the National University of Singapore has created a revolutionary way of encoding computational information sans the use of electrical current.
Incidentally, the spin waves and magnons deliver the spin information, even in insulators, minus the involvement of the moving charges. This distinctive property possibly permits longer spin transmission, although with lower dissipation than the electron spins. As a result, one can then control the magnetization if the spin information is transferred from the magnons or pin waves to the local magnetization, also understood as the "magnon torques."
And, just as a linear force is considered as a pull or push, a torque can be regarded as a variation to an object. Therefore, this more modern way of magnetization can be utilized or employed for future logic devices and data memory. And, finally, the research group is set to engineer the effectiveness of magnon torques further, not to mention, explore all magnon-enabled devices sans the engagement of electrical parts.
