Optical and thermal analysis of ZnO–CdO–TeO2 glasses doped with Nd3+

Ruvalcaba-Cornejo, C.; Zayas, Ma. E.; Castillo, S.J.; Lozada‐Morales, R.; Pérez-Tello, Manuel; Diaz, C.; Rincón, J.Ma.

doi:10.1016/j.optmat.2011.01.001

Cited by 14 publications

(8 citation statements)

References 9 publications

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“…By considering that one of the compounds in the tellurite matrix is ZnO, a material of direct bandgap (E g ) thus, a same value of E g = 3.45 eV was calculated, for the three samples (see the inset of Figure 19,a plot to determine E g ). This value of E g indicates a wide bandgap material, and was an expected result for this type of glass, but this value is lower than those reported for other glasses of the same matrix doped with other ions [34]. Now, the PA spectra for the V1, V2, and V3 glasses containing Eu 3+ are exhibited in Figure 20.…”

Section: +supporting

confidence: 53%

“…matrix containing ytterbium and terbium [32,33], neodymium [34], and europium ions [35] are reported.…”

Section: Results Of the Photoacoustic And Photoluminescence Spectra Omentioning

confidence: 99%

“…Of the V1, V2, and V3 glasses containing Nd 3+ , all exhibit a vitreous structure, which can correspond to short ordering of ZnO 4 tetrahedra embedded in the glassy structure, see Ref. [34]. …”

Section: Xrd Results On Zno-cdo-teo 2 :Rec Glassesmentioning

confidence: 99%

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Luminescence in Rare Earth Ion‐Doped Oxide Compounds

Cornejo¹

2016

Luminescence - An Outlook on the Phenomena and Their Applications

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This chapter focuses on the study on luminescent materials, which consist of oxide compounds (host material) and rare earth ions (as the activator) in the valence state, mostly 3+. The first part begins with a background study about the luminescence phenomenon, its stages, and the configurational coordinate diagram. Then, we review the notation often used for rare earth ions, such as the term symbols associated with the energy levels of the ground state. Lastly on the first part, we establish a relationship between the configurational coordinate model and the electronic transitions of such ions. The second part shows the photoluminescence results in some oxide compound materials doped with rare earth ions that have been reported in research articles with potential applications.

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Section: +supporting

confidence: 53%

“…matrix containing ytterbium and terbium [32,33], neodymium [34], and europium ions [35] are reported.…”

Section: Results Of the Photoacoustic And Photoluminescence Spectra Omentioning

confidence: 99%

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Luminescence in Rare Earth Ion‐Doped Oxide Compounds

Cornejo¹

2016

Luminescence - An Outlook on the Phenomena and Their Applications

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“…This observation suggests with the gradual increase in the concentration of sodium oxide, as a modifier in the glass network enhances the tetrahedral sites in the glass matrix. A new band around 450cm -1 is observed which corresponds to the tetrahedral vibrations of CdO [20]. The characteristic band at 806cm -1 of vitreous B 2 O 3 of asymmetric stretching vibration of boroxol ring is found missing in the spectra which indicate the absence of boroxol ring.…”

Section: Effect Of Na 2 O On Structural and Thermal Properties Of Cadmentioning

confidence: 91%

Effect of Na2O on Structural and Thermal Properties of Cadmium Borate Glasses

Pavai¹,

Dharsini²

2017

IOSR JAP

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“…This investigation is part of a wide research about the study of ZnO–CdO–TeO 2 system doped with rare earth ions. Three studies have been published earlier in which the PL properties, structural studies, optical and thermal analysis of this matrix containing ytterbium and terbium, and neodymium ions are reported …”

Section: Introductionmentioning

confidence: 99%

Effect of the Eu³⁺ Addition on Photoluminescence and Microstructure of ZnO–CdO–TeO₂ Glasses

et al. 2013

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In this work, the role of europium doping of glasses formulated in the ternary system ZnO-CdO-TeO 2 is described. The Eu-doped oxide glasses were prepared by the conventional melt-quenching method and by using three different compositions. Structural studies reveal that there exists a good affinity between Cd and some rare earth (RE) ions to form the crystalline phase. The X-ray diffraction (XRD) diagrams display that the structure of these glasses is amorphous and with the increase in CdO content and the compatibility of Eu 3+ , there is a tendency to form nanocrystals of CdTe 2 O 5 . The scanning electron microscopic (SEM) observation of their microstructure confirms the presence of phase separation. Differential thermal analysis (DTA) of these glasses showed small exothermic peaks noted around 450°C for the V2 glass and 480°C for V1 and V3 glasses, which could be attributed to the formation of these crystals. The infrared spectra showed a main absorption band around 800-600 cm À1 corresponding to the Te-O stretching mode in TeO 4 and TeO 3 groups. By optical absorption (OA), the band gap (E g ) for each glass was determined; these values were 3.27, 3.14, and 3.3 eV for the V1-V3 glasses, respectively. Furthermore, the presence of Eu 3+ was detected in the 370-470 nm short-range wavelengths. The photoluminescence (PL) experiments of the glasses showed light emission due to the following transitions:

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Optical and thermal analysis of ZnO–CdO–TeO2 glasses doped with Nd3+

Cited by 14 publications

References 9 publications

Luminescence in Rare Earth Ion‐Doped Oxide Compounds

Luminescence in Rare Earth Ion‐Doped Oxide Compounds

Effect of Na2O on Structural and Thermal Properties of Cadmium Borate Glasses

Effect of the Eu³⁺ Addition on Photoluminescence and Microstructure of ZnO–CdO–TeO₂ Glasses

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Optical and thermal analysis of ZnO–CdO–TeO2 glasses doped with Nd3+

Cited by 14 publications

References 9 publications

Luminescence in Rare Earth Ion‐Doped Oxide Compounds

Luminescence in Rare Earth Ion‐Doped Oxide Compounds

Effect of Na2O on Structural and Thermal Properties of Cadmium Borate Glasses

Effect of the Eu3+ Addition on Photoluminescence and Microstructure of ZnO–CdO–TeO2 Glasses

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Effect of the Eu³⁺ Addition on Photoluminescence and Microstructure of ZnO–CdO–TeO₂ Glasses