Room temperature optical thermometry based on the luminescence of the SiV defects in diamond Caius Miller, Laurits Puust, Valter Kiisk, Evgeny Ekimov, Igor Vlasov, Yurii Orlovskii and Ilmo Sildos EPJ Web Conf., 190 (2018) 04024 Published online: 26 September 2018 DOI: 10.1051/epjconf/201819004024