Efficient heat management in solids is key to advancing the next generation of electronics. However, wave-like heat movementâknown as phonon focusingâhad been observed only at extremely low, or cryogenic, temperatures, limiting its study and practical use.
Efficient heat management in solids is key to advancing the next generation of electronics. However, wave-like heat movementknown as phonon focusinghad been observed only at extremely low, or cryogen⌠[+4473 chars]