Lifetime of carbyne-based nanodevices: size and “even-odd” effects Sergiy Kotrechko, Andrei Timoshevskii, Eugene Kolyvoshko, Yuriy Matviychuk, Nataliya Stetsenko and Baode Zhang Eur. Phys. J. Plus, 134 4 (2019) 182 Published online: 30 April 2019 DOI: 10.1140/epjp/i2019-12611-5