The Japanese have learned to control heat flows using "lasagna material"

A team of scientists led by Professor Kazuhiro Yanagi is working on ways to obtain and process

materials with ultrathin layers - dichalcogenides.

During the study, they took layers of disulfidemolybdenum and molybdenum diselenide one atom thick and put them together, comparing the resulting structure to "lasagna" due to alternating layers. Having conducted heat through them, the researchers concluded that the structural mismatch of the layers reduces the level of heat transfer by a factor of 10 compared to the bonded layers.

Electron microscopic image of a cross section of a typical 4L structure.

Thanks to this discovery, scientists will be able tocontrol heat flux at the nanoscale and design ultra-thin, ultra-lightweight insulators. And also to produce thermoelectric materials in which heat can be converted into electricity.

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