Thermoelectric energy conversion in layered structures with strained Ge quantum dots grown on Si surfaces Oleg Korotchenkov, Andriy Nadtochiy, Vasyl Kuryliuk, Chin-Chi Wang, Pei-Wen Li and Andres Cantarero Eur. Phys. J. B, 87 3 (2014) 64 Published online: 12 March 2014 DOI: 10.1140/epjb/e2014-50074-8