Ignatovych, M.; Holovey, V; Vidoczy, T.; Baranyai, P.; Kelemen, A.; Laguta, V.; Chuiko, O.
(Functional Materials, 2005)
Photoluminescence (PL), optical absorption (ОА) and ESR spectra have been studied to characterize Cu- and Ag-doped single crystal and glassy Li₂B₄О₇ (LTB). The attribution of LTB:Cu glass PL as one arising from the sets ...