The investigation of the photoluminescent and piezoelectric effect of Eu3+ doped Y2Ti2O7 and Sm2Ti2O7 host crystals

Öztürk, Esra; Sarilmaz, Ebru

doi:10.1016/j.matchemphys.2019.122085

Materials Chemistry and Physics

2020

DOI: 10.1016/j.matchemphys.2019.122085

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The investigation of the photoluminescent and piezoelectric effect of Eu3+ doped Y2Ti2O7 and Sm2Ti2O7 host crystals

Esra Öztürk

Ebru Sarilmaz

Abstract: The smart materials, Y 1.98 Eu 0.02 Ti 2 O 7 and Sm 1.98 Eu 0.02 Ti 2 O 7 were synthesized. � These systems were characterizated with DTA/TG, XRD, SEM/EDX, PL, LCR and d 33-m. � The excitation and emission mechanisms and dielectric properties were explained.

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Cited by 10 publications

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The Investigation of the Effect of La³⁺, Eu³⁺, and Sm³⁺ Ions on Photoluminescence and Piezoelectric Behavior of RE_1.90Y_0.10Zr₂O₇ (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials

Öztürk,

Kalaycioglu Ozpozan,

Kalem

2024

Luminescence

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A series of compounds with the general formula RE1.90Y0.10Zr2O7 (where RE includes Eu, Sm and Y includes La, Sm, Eu) were synthesized using a solid‐state reaction method. These compounds were analyzed through differential thermal analysis (DTA), thermogravimetric analysis (TG), X‐ray powder diffraction (XRD), and scanning electron microscopy (SEM). Additionally, their dielectric constant, loss tangent, piezoelectric charge constant, and Curie temperature were measured using an LCR meter, d33 meter, and TG/DTA. X‐ray diffraction results indicated that all samples crystallize in a cubic pyrochlore structure. Photoluminescence studies revealed that Eu3+ ions predominantly contribute to the emission, whether as activators or co‐activators. Among the phosphors, Eu1.90La0.10Zr2O7 exhibited a significantly longer afterglow compared to Sm1.90Eu0.10Zr2O7 and Eu1.90Sm0.10Zr2O7. Conversely, Sm1.90Eu0.10Zr2O7 demonstrated luminescence intensity that was 20 times greater than that of Eu1.90La0.10Zr2O7 and Eu1.90Sm0.10Zr2O7. Furthermore, all samples with characteristic Eu3+ emissions also exhibited piezoelectric properties. Curie temperature (Tc) of Eu1.90La0.10Zr2O7, Sm1.90Eu0.10Zr2O7, and Eu1.90Sm0.10Zr2O7 are 770°C, 830°C, and 845°C, respectively. Therefore, Sm3+ ion improves piezoelectric properties and Curie temperature when doping into the Eu2Zr2O7 host crystal.

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The Investigation of the Effect of La³⁺, Eu³⁺, and Sm³⁺ Ions on Photoluminescence and Piezoelectric Behavior of RE_1.90Y_0.10Zr₂O₇ (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials

Öztürk,

Kalaycioglu Ozpozan,

Kalem

2024

Luminescence

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Enhancement of Curie Temperature and Photoluminescent Properties of Ho1.98Sm0.02Sn2O7 and Ho1.90Er0.10Sn2O7 Smart Materials

ÖZTÜRK,

Ozpozan,

Kalem

2024

J Inorg Organomet Polym

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Europium-doped strontium gadolinium oxide phosphor: Investigating structural and photoluminescence characteristics via sol-gel combustion synthesis

Sarikci,

Topaksu,

Ozturk

et al. 2024

Applied Radiation and Isotopes

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The investigation of the photoluminescent and piezoelectric effect of Eu3+ doped Y2Ti2O7 and Sm2Ti2O7 host crystals

Abstract: The smart materials, Y 1.98 Eu 0.02 Ti 2 O 7 and Sm 1.98 Eu 0.02 Ti 2 O 7 were synthesized. � These systems were characterizated with DTA/TG, XRD, SEM/EDX, PL, LCR and d 33-m. � The excitation and emission mechanisms and dielectric properties were explained.

Cited by 10 publications

References 39 publications

The Investigation of the Effect of La³⁺, Eu³⁺, and Sm³⁺ Ions on Photoluminescence and Piezoelectric Behavior of RE_1.90Y_0.10Zr₂O₇ (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials

The Investigation of the Effect of La³⁺, Eu³⁺, and Sm³⁺ Ions on Photoluminescence and Piezoelectric Behavior of RE_1.90Y_0.10Zr₂O₇ (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials

Enhancement of Curie Temperature and Photoluminescent Properties of Ho1.98Sm0.02Sn2O7 and Ho1.90Er0.10Sn2O7 Smart Materials

Europium-doped strontium gadolinium oxide phosphor: Investigating structural and photoluminescence characteristics via sol-gel combustion synthesis

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The investigation of the photoluminescent and piezoelectric effect of Eu3+ doped Y2Ti2O7 and Sm2Ti2O7 host crystals

Abstract: The smart materials, Y 1.98 Eu 0.02 Ti 2 O 7 and Sm 1.98 Eu 0.02 Ti 2 O 7 were synthesized. � These systems were characterizated with DTA/TG, XRD, SEM/EDX, PL, LCR and d 33-m. � The excitation and emission mechanisms and dielectric properties were explained.

Cited by 10 publications

References 39 publications

The Investigation of the Effect of La3+, Eu3+, and Sm3+ Ions on Photoluminescence and Piezoelectric Behavior of RE1.90Y0.10Zr2O7 (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials

The Investigation of the Effect of La3+, Eu3+, and Sm3+ Ions on Photoluminescence and Piezoelectric Behavior of RE1.90Y0.10Zr2O7 (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials

Enhancement of Curie Temperature and Photoluminescent Properties of Ho1.98Sm0.02Sn2O7 and Ho1.90Er0.10Sn2O7 Smart Materials

Europium-doped strontium gadolinium oxide phosphor: Investigating structural and photoluminescence characteristics via sol-gel combustion synthesis

Contact Info

Product

Resources

About

The Investigation of the Effect of La³⁺, Eu³⁺, and Sm³⁺ Ions on Photoluminescence and Piezoelectric Behavior of RE_1.90Y_0.10Zr₂O₇ (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials

The Investigation of the Effect of La³⁺, Eu³⁺, and Sm³⁺ Ions on Photoluminescence and Piezoelectric Behavior of RE_1.90Y_0.10Zr₂O₇ (RE: Eu, Sm and Y: La, Sm, Eu) Pyrochlore‐Based Multifunctional Smart Advanced Materials