[1] BerghA.CrafordG.DuggalA.HaitzR., Phys. Today54, 42 (2001).PHTOAD0031-9228

[2] CaoR.SharafudeenK. N.QiuJ., Spectrochim. Acta Part A117, 402 (2014).

[3] ZhangN. M.GuoC. F.ZhengJ. M.SuX. Y.ZhaoJ., J. Mater. Chem. C2, 3988 (2014).

[4] ChangC. K.ChenT. M., Appl. Phys. Lett.91, 081902 (2007).APPLAB0003-6951

[5] ChiangC. C.TsaiM. S.HonM. H., J. Electrochem. Soc.154, J326 (2007).

[6] KangD.YooH. S.JungS. H.KimH.JeonD. Y., J. Phys. Chem. C115, 24334 (2011).

[7] NishiuraS.TanabeS.FujiokK.FujimotoY., Opt. Mater.33, 688 (2011).OMATET0925-3467

[8] ZhuZ. F.ZhangY. B.QiaoY. P.LiuH.LiuD. G., J. Lumin.134, 724 (2013).

[9] FuH. Y.QiaoX. S.CuiS.LuoQ.QianJ. Y.FanX. P.ZhangX. H., Mater. Lett.71, 15 (2012).MLETDJ0167-577X

[10] BaggaR.AchantaV. G.GoelA.FerreiraJ. M. F.SinghN. P.SinghD. P.FalconieriM.SharmaG., Mater. Sci. Eng. B178, 218 (2013).

[11] YeR.CuiZ. G.HuaY. J.DengD. G.ZhaoS. L.LiC. X.XuS. Q., J. Non-Cryst. Solids357, 2282 (2011).

[12] JiangT.YuX.XuX.YuH.ZhouD.QiuJ., Chin. Opt. Lett.12, 011601 (2014).CJOEE31671-7694

[13] LiuX. Y.WeiY. L.GuoH., J. Am. Ceram. Soc.96, 369 (2013).JACTAW0002-7820

[14] LakshminarayanaG.YangH. C.QiuJ. R., J. Solid State Chem.182, 669 (2009).

[15] TangL.XiaH.WangP.PengJ.JiangH., Chin. Opt. Lett.11, 061603 (2013).CJOEE31671-7694

[16] VijayaN. KumarK. U.JayasankarC. K., Spectrochim. Acta A113, 145 (2013).

[17] RajeswariR.JayasankarC. K.RamachariD.BabuS. S., Ceram. Int.39, 7523 (2013).

[18] QianJ. Y.LuoQ.ZhaoD. L.CuiS.QiaoX. S.FanX. P.ZhangX. G., Opt. Mater.34, 700 (2012).