Investigating the effects of 2. 5 mol% Ce doping on electrostriction behavior of lead-free (Ba0. 85Ca0. 15)(Zr0. 1Ti0. 9)O3 ceramics

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hayati Razieh; bahrevar mohamadali; EBADZADE TOURAJ

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Journal: JOURNAL OF NEW MATERIALS Year:2019 | Volume:9 | Issue:3 (35) Page(s): 101-114

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Title

Investigating the effects of 2. 5 mol% Ce doping on electrostriction behavior of lead-free (Ba0. 85Ca0. 15)(Zr0. 1Ti0. 9)O3 ceramics

Author(s)

hayati Razieh | bahrevar mohamadali | EBADZADE TOURAJ | Issue Writer Certificate

Keywords

Lead free BCZTQ1

CeO2Q1

ferroelectricQ2

electrostrictionQ2

Abstract

Lead-free [(Ba0. 85Ca0. 15)1-xCex/2](Zr0. 1Ti0. 9)O3 (BCCexZT) piezoceramics were synthesized using conventional solid-state ceramic processing. Sintering was carried out in the temperature range of 1350-1450 ° C for 4 h. The microstructure and phase composition were investigated by scanning electron microscopy and X-ray diffraction. Polarization and strain measurements were done using a modified Sawyer-Tower circuit and a commercial aix-PES piezoelectric evaluation system was used to record the variations of polarization and strain with temperature. The addition of CeO2 decreased the Curie temperature of BCZT to near room temperature and consequently a high permittivity value was obtained at room temperature. Additionally, the temperature dependence of strain and polarization showed that electrostrictive coefficients calculated from the unipolar and bipolar loops were approximately the same. Since the Curie temperature of BCCe0. 025ZT is shifted to around room temperature, 90-100% of induced polarization and strain is attributed to the electrostriction effect. The highest electrostrictive coefficients of Q33= 0. 063 m4/C2 and M33=3. 4E-16 m2/V2 were obtained for BCCe0. 025ZT ceramics with 2. 5 mol% Ce, which are higher than the corresponding values in previous reports and make this composition as a candidate for electrostrictive applications.

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APA: Copy

hayati, Razieh, bahrevar, mohamadali, & EBADZADE, TOURAJ. (2019). Investigating the effects of 2. 5 mol% Ce doping on electrostriction behavior of lead-free (Ba0. 85Ca0. 15)(Zr0. 1Ti0. 9)O3 ceramics. JOURNAL OF NEW MATERIALS, 9(3 (35) ), 101-114. SID. https://sid.ir/paper/169959/en

Vancouver: Copy

hayati Razieh, bahrevar mohamadali, EBADZADE TOURAJ. Investigating the effects of 2. 5 mol% Ce doping on electrostriction behavior of lead-free (Ba0. 85Ca0. 15)(Zr0. 1Ti0. 9)O3 ceramics. JOURNAL OF NEW MATERIALS[Internet]. 2019;9(3 (35) ):101-114. Available from: https://sid.ir/paper/169959/en

IEEE: Copy

Razieh hayati, mohamadali bahrevar, and TOURAJ EBADZADE, “Investigating the effects of 2. 5 mol% Ce doping on electrostriction behavior of lead-free (Ba0. 85Ca0. 15)(Zr0. 1Ti0. 9)O3 ceramics,” JOURNAL OF NEW MATERIALS, vol. 9, no. 3 (35) , pp. 101–114, 2019, [Online]. Available: https://sid.ir/paper/169959/en

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