Influence of optically active defects on thermal conductivity of polycrystalline diamondQinyu Kong, Alvarado Tarun, Chuan Ming Yap, Siwei Xiao, Kun Liang, Beng Kang Tay and Devi Shanker MisraEur. Phys. J. Appl. Phys., 80 2 (2017) 20102DOI: https://doi.org/10.1051/epjap/2017170217