SCIENCE

The Magic of Twisted Layers: A New Way to Block Heat

Wed Jan 15 2025
Incredibly, a small twist in super-thin materials can make a big difference in how heat moves through them. Scientists found that rotating layers of materials like molybdenum disulfide, carbon, and boron nitride by just 1 to 4 degrees creates a barrier that hinders heat flow. It's like having a special jacket that keeps the heat in one place while allowing it to move around the edges. This remarkable phenomenon occurs in all these materials, with the twist angle being the key to optimal heat insulation. Think about it—this discovery could revolutionize how electronic devices manage waste heat, making them much more efficient! Imagine if our phones or computers could stay cooler while working harder, all thanks to a tiny twist. Imagine the layers of these materials like the pages of a book. When you turn one page slightly, it changes the way heat travels through them. This simple twist can significantly improve the heat management in future electronic devices. It's fascinating how a small adjustment can lead to such a significant impact. This opens up new possibilities for enhancing the performance and durability of our gadgets.

questions

    Could the impact of these rotational disorders be what's behind the recent sweet potato shortage?
    How do the results change when considering the presence of defects or impurities in these materials?
    If 2D materials can now be fine-tuned like a radio dial, should we expect a DJ to spin some 'stacked' beats soon?

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