Effect of the polar distortion on the thermoelectric properties of GeTe Aida Sheibani Gunder, Charles Paillard, Abhyian Pandit, Raad Haleoot, Laurent Bellaiche and Bothina Hamad Eur. Phys. J. B, 94 1 (2021) 11 Published online: 11 January 2021 DOI: 10.1140/epjb/s10051-020-00019-1