@article{bosoni_atomistic_2020,
	title = {Atomistic simulations of thermal conductivity in {GeTe} nanowires},
	volume = {53},
	issn = {0022-3727, 1361-6463},
	url = {https://iopscience.iop.org/article/10.1088/1361-6463/ab5478},
	doi = {10.1088/1361-6463/ab5478},
	abstract = {The thermal conductivity of GeTe crystalline nanowires has been computed by means of non-equilibrium molecular dynamics simulations employing a machine learning interatomic potential. This material is of interest for application in phase change non-volatile memories. The resulting lattice thermal conductivity of an ultrathin nanowire (7.3 nm diameter) of 1.57 W m−1 K−1 is sizably lower than the corresponding bulk value of 3.15 W m−1 K−1 obtained within the same framework. The analysis of the phonon dispersion relations and lifetimes reveals that the lower thermal conductivity in the nanowire is mostly due to a reduction in the phonon group velocities. We further predict the presence of a minimum in the lattice thermal conductivity for thicker nanowires.},
	language = {en},
	number = {5},
	urldate = {2019-11-21},
	journal = {Journal of Physics D: Applied Physics},
	author = {Bosoni, E and Campi, D and Donadio, D and Sosso, G C and Behler, J and Bernasconi, M},
	month = jan,
	year = {2020},
	pages = {054001},
}

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