Optical Spectroscopy of Mn2+ Ions in CaF2

White light generation through the zinc metaphosphate glass activated by Ce3+, Tb3+ and Mn2+ ions

“…However, Tb 3+ ions can be efficiently excited, through their forbidden transitions by Ce 3+ ions, due to the strong overlapping between the Ce 3+ emission and some 4f 8 -4f 8 absorptions of terbium [7]. Similar phenomena occur with Mn 2+ ions, which in solids give rise to a broad emission band in the green or red, depending on the host lattice [13][14][15][16], due to the 4 T 1 (G)-6 A 1 (S) forbidden d-d transitions.…”

Electron paramagnetic resonance and luminescent properties of Mn2+:MgGa2O4 phosphor

“…Recently many studies have been reported on phosphors activated with Mn 2+ ions. [6][7][8][9][10][11][12] Different studies have also been performed on MgGa 2 O 4 . [13][14][15] This paper reports on the Electron paramagnetic Resonance ͑EPR͒, photo excitation and emission spectra of the manganese ions in MgGa 2 +O 4 phosphor.…”

White‐light emission and red scintillation from Mn2+ ions single‐doped aluminum‐silicate glasses

“…And Mn 2+ emission band is sensitive to the coordination field environment, which implies that Mn 2+ center can be regulated to obtain emission in a wide spectral range. [5][6][7][8][9][10] The doping of Mn 2+ centers is beneficial to improve the color render index [11][12][13][14] and replace low-abundance rare-earth ions. [15][16][17][18][19][20][21][22][23][24] In previous research, Mn 2+ ions exhibit a 3d 5 electronic configuration and generate photoluminescence (PL) due to 4 T 1 (G)→ 6 A 1 (S) transition.…”

“…[5][6][7][8][9][10] The doping of Mn 2+ centers is beneficial to improve the color render index [11][12][13][14] and replace low-abundance rare-earth ions. [15][16][17][18][19][20][21][22][23][24] In previous research, Mn 2+ ions exhibit a 3d 5 electronic configuration and generate photoluminescence (PL) due to 4 T 1 (G)→ 6 A 1 (S) transition. 25 However, the absorption peak of Mn 2+ centers is very weak because it exhibits only spin forbidden transitions, that limits its application as a single-doped luminescent center.…”