Spectroscopic properties and luminescence behaviour of europium doped lithium borate glasses

Anjaiah, J.; Laxmikanth, C.; Veeraiah, N.

doi:10.1016/j.physb.2014.07.070

Cited by 70 publications

(11 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…shown above in Table 1, the results obtained are similar to those published previously in oxy-fluorinated glasses based on tellurite [27,28], and also in aluminum silicate [16,17,[29][30][31][32][33][34].…”

Section: Thermal Stability Of G-gto and G-gtof Glassessupporting

confidence: 90%

“…Calcium oxide and/or fluoride (CaO/CaF 2 ) were used as glass modifiers because of their adequate contributions to the glass formation. Besides, in several well-known luminescent host matrices, it was reported that a rare-earth ions can be substituted for Ca 2+ cations [16][17][18][19], on the other hand the addition of fluorine compounds, such as BaF 2 or CaF 2 , to RE 3+ -doped tellurite glasses helped removing OH −groups and increased the RE 3+ ions fluorescence lifetime [20][21][22][23]. Among the rare-earth ions, Yb 3+ ones are known to display a very simple energy level diagram, constituted of only two spin-orbit multiplets, the degeneracy of which are split by the surrounding crystal field.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Yb3+- and CaF2 nanocrystallites-containing oxyfluorogermanotellurite glass-ceramics

et al. 2019

View full text Add to dashboard Cite

A new 30 GeO 2-30 TeO 2-15 ZnO-10 Na 2 CO 3-10 CaF 2-3 La 2 O 3-2 YbF 3 glass composition was synthesized and submitted to several heat treatments to provoke nanocrystallization in its bulk. The formation of nanocrystallites was evidenced by high resolution transmission electron microscopy and X-ray diffraction, and their nature and size was characterized. The spectroscopic and magnetic properties of the Yb 3+ ions dissolved in the glass and, presumably, in the nanocrystallites, were investigated by absorption and emission spectroscopies (including anti-Stokes emissions from Tm 3+ and Er 3+ impurities), fluorescence transients and magnetic susceptibility measurements. It was found that the Yb 3+ ions experimental lifetime and average effective magnetic moment, as well as Tm 3+ and Er 3+ ions anti-Stokes emission intensities, increase with increasing crystallization state of the initial glass.

show abstract

Section: Thermal Stability Of G-gto and G-gtof Glassessupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Yb3+- and CaF2 nanocrystallites-containing oxyfluorogermanotellurite glass-ceramics

et al. 2019

View full text Add to dashboard Cite

show abstract

“…The broad bands around 870 are assigned to S-O stretching vibration. 21 The peaks around 721 cm −1 are due to the bending of B-O-B linkages in the borate network 22. The FTIR spectra observed are in good agreement with similar studies on borate glass system reported 23.…”

supporting

confidence: 73%

“…These weak bands are appearing due to the presence of sulphate ion in the glass. 22 Among four concentrations, a strong enhancement in the emission peaks at 573 nm in the yellow region was observed with the 0.07 mol% concentration and this effect is attributed to the concentration quenching. 28 The emission spectra results of these glasses are comparable to those reported.…”

Section: Photoluminescence Spectra Analysismentioning

confidence: 89%

Physical and optical properties of magnesium sulfoborate glasses doped Dy3+ ions

Dalhatu

Deraman

Hussin

2016

Int. J. Mod. Phys. B

View full text Add to dashboard Cite

The optical properties of alkaline earth borate glasses doped with rare earth are attractive field of research due to many optical applications. We have concentrated on the physical and optical properties of MgO-SO 4 -B 2 O 3 glass with different concentrations of Dy 3+ ions. The samples of glass were prepared using the melting quenching technique. The physical parameter and optical properties of the prepared glass were determined. It was observed that the density of the glass samples increased and the molar volume reduced with respect to Dy 3+ ions content. Dy 3+ : MgO-SO 4 -B 2 O 3 glass displayed 10 absorption bands with hypersensitive transition around 1265 nm ( 6 H 15/6 → 6 F 11/2 ). Two intense luminescence emissions were observed at 482 nm ( 4 F 9/2 → 6 H 15/2 : blue) and 573 nm ( 4 F 9/2 → 6 H 13/2 : yellow) and weak band at 662 nm ( 4 F 9/2 → 6 H 11/2 : red) with excitation wavelength 380 nm. A strong enhancement in the emission peaks at 573 nm in the yellow region was observed with the 0.07 mol% concentration of dysprosium oxide, which may assign to the energy transfer from Mg 2+ to Mg 3+ ions. Beyond the optimum concentration, contrary result was observed.

show abstract

“…Borate glass has been acknowledge as a good host for various rare-earth (RE) oxides among the traditional glass formers due to their strong glass formulation when compared with other conventional systems such as phosphates, germanates, vanadates and tellurite glass [1]. In addition, the glassy system is available easily, inexpensive, simple to prepare and a good host for a variety of elements [2].…”

Section: Introductionmentioning

confidence: 99%

Impact of Dy2O3 Substitution on the Physical, Structural and Optical Properties of Lithium–Aluminium–Borate Glass System

et al. 2020

View full text Add to dashboard Cite

In this study, a series of Li2O-Al2O3-B2O3 glasses doped with various concentrations of Dy2O3 (where x = 0.0, 0.2, 0.4, 0.6, 0.8, and 1.0 mol%) were prepared by using a conventional melt-quenching technique. The structural, physical and optical properties of the glasses were examined by utilising a variety of techniques instance, X-ray diffraction (XRD), UV–Vis-NIR spectrometer, Fourier transform infrared (FTIR) and photoluminescence (PL). The XRD spectra demonstrate the amorphous phase of all glasses. Furthermore, the UV-vis-NIR spectrometers have registered optical absorption spectra a numbers of peaks which exist at 1703, 1271, 1095, 902, 841, 802, 669, 458, 393 and 352 nm congruous to the transitions from the ground of state (6H15/2) to different excited states, 6H11/2, 6F11/2 + 6H9/2, 6F9/2 + 6H7/2, 6F7/2, 6F5/2, 6F3/2, 4F9/2, 4I15/2, 4F7/2 and 6P7/2, respectively. The spectra of emission exhibit two strong emanation bands at 481 nm and 575 nm in the visible region, which correspond to the transitions 4F9/2 → 6H15/2 and 4F9/2 → 6H13/2. All prepared glass samples doped with Dy2O3 show an increase in the emission intensity with an increase in the concentration of Dy3+. Based on the obtained results, the aforementioned glass samples may have possible applications, such as optical sensor and laser applications.

show abstract

Spectroscopic properties and luminescence behaviour of europium doped lithium borate glasses

Cited by 70 publications

References 47 publications

Yb3+- and CaF2 nanocrystallites-containing oxyfluorogermanotellurite glass-ceramics

Yb3+- and CaF2 nanocrystallites-containing oxyfluorogermanotellurite glass-ceramics

Physical and optical properties of magnesium sulfoborate glasses doped Dy3+ ions

Impact of Dy2O3 Substitution on the Physical, Structural and Optical Properties of Lithium–Aluminium–Borate Glass System

Contact Info

Product

Resources

About