Effect of Fe substitution on the piezoelectric,dielectric and ferroelectric properties of PNZST ceramics |
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| Affiliation: | 1. School of Advanced Materials and Nanotechnology, Xidian University, Xi’an 710071, China;2. School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo 454003, China;3. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Xi’an Jiaotong University, Xi’an 710049, China;1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Xi?an Jiaotong University, Xi?an 710049, China;2. National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China;3. Multi-disciplinary Materials Research Center, Frontier Institute of Science and Technology, and State Key Laboratory for Mechanical Behavior of Materials, Xi?an Jiaotong University, Xi?an 710049, China;1. Department of Physics, University of San Carlos, Talamban Campus, Cebu City 6000, Philippines;2. School of Engineering, Monash University Malaysia, Bandar Sunway, Selangor 47500, Malaysia;3. Department of Physics, Fu Jen Catholic University, New Taipei City 24205, Taiwan;1. Research Scholar, NIT Warangal, 506004, India;2. Assistant Professor, NIT Warangal, 506004, India;1. Hubei Key Lab of Ferro & Piezoelectric Materials and Devices, School of Materials Science & Engineering, Hubei University, Wuhan, 430062, China;2. Department of Manufacturing and Materials, Cranfield University, Cranfield, Bedfordshire, MK43 0AL, UK;1. Department of Materials Science and Engineering and Materials Research Institute, The Pennsylvania State University, University Park, PA, 16802, United States;2. Applied Research Laboratory, The Pennsylvania State University, University Park, PA, 16802, United States |
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| Abstract: | Fe-doped (Pb0.99Nb0.02)(Zr0.70Sn0.30)0.52Ti0.48]0.98O3 (PNZST) ceramics were prepared via conventional solid state reaction method, and the effect of Fe doping on their structural and electrical properties was investigated in detail. Results showed that Fe3+ cations could dissolve into readily the B-sites of perovskite structure for the PNZST ceramics with the less amount of Fe content (≤0.8 wt%), resulting in the full densification after sintered at 1300 °C. Meanwhile, Fe doping caused a structure transform from the tetragonal to the rhombohedral. The better electric properties for PNZST ceramic with 0.6 wt% Fe content were obtained, i.e. piezoelectric constant d33=380 pC/N, electromechanical coupling factor kp=0.57, mechanical quality factor Qm=225, dielectric constant εr=1190, loss tangent tan δ=0.007 and curie temperature Tc=318 °C. |
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| Keywords: | Fe doping Piezoelectric property Ferroelectric Dielectric property |
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