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Novel quaternary piezoelectric ceramic and preparation method thereof
The invention discloses a novel quaternary piezoelectric ceramic and a preparation method thereof, the quaternary piezoelectric ceramic with a chemical general formula of (0.63-x) BiFeO3-0. 32 PbTiO3-0. 05BaZrO3-xPb (Ni1/3Nb2/3) O3 is prepared by using a solid-phase reaction method, the content x of Pb (Ni1/3Nb2/3) O3 is equal to 0 and 0.12, the phase structure of the 0.63 BiFeO3-0. 32 PbTiO3-0. 05BaZrO3 piezoelectric ceramic is converted from a tetragonal phase to a trigonal phase and the grain size is reduced along with the increase of the doping amount of Pb (Ni1/3Nb2/3) O3, and when x is equal to 0.12, the phase structure of the piezoelectric ceramic is changed from a trilateral phase to a In the BF-PT-BZ-PNN piezoelectric ceramic, trilateral and tetragonal phases coexist, the dielectric, ferroelectric and piezoelectric properties are optimal, the piezoelectric coefficient d33, the piezoelectric voltage constant g33 and the electromechanical transformation coefficient d33 * g33 are 410 pC/N, 32 * 10 <-3 > Vm/N and 13045 * 10 <-15 > m < 2 >/N respectively, the performance of d33 * g33 is superior to that of a commercial energy collector material PZT502 (d33 * g33 = 11250 * 10 <-15 > m < 2 >/N), and the performance of d33 * g33 is superior to that of the commercial energy collector material PZT502 (d33 * g33 = 11250 * 10 <-15 > m < 2 >/N). And the application of the bismuth ferrite-lead titanate-barium zirconate-based ceramic in the field of piezoelectric material research is greatly improved.
本发明公开了一种新型四元系压电陶瓷及其制备方法，利用固相反应法制备了一种化学通式为(0.63‑x)BiFeO3‑0.32PbTiO3‑0.05BaZrO3‑xPb(Ni1/3Nb2/3)O3的四元系压电陶瓷，Pb(Ni1/3Nb2/3)O3含量x＝0和0.12，本申请中的0.63BiFeO3‑0.32PbTiO3‑0.05BaZrO3压电陶瓷随着Pb(Ni1/3Nb2/3)O3的掺杂量增高，相结构由四方转变为三方相，晶粒尺寸减小，当x＝0.12，BF‑PT‑BZ‑PNN压电陶瓷中三方和四方相共存，介电、铁电和压电性能达到最优，压电系数d33、压电电压常数g33和机电转换系数d33×g33分别为410pC/N、32×10‑3Vm/N和13045×10‑15m2/N，其中，d33×g33性能优于商用能量收集器材料PZT502(d33×g33＝11250×10‑15m2/N)，使铁酸铋‑钛酸铅‑锆酸钡基陶瓷在压电材料研究领域的应用化迈出了很大的一步。
Novel quaternary piezoelectric ceramic and preparation method thereof
The invention discloses a novel quaternary piezoelectric ceramic and a preparation method thereof, the quaternary piezoelectric ceramic with a chemical general formula of (0.63-x) BiFeO3-0. 32 PbTiO3-0. 05BaZrO3-xPb (Ni1/3Nb2/3) O3 is prepared by using a solid-phase reaction method, the content x of Pb (Ni1/3Nb2/3) O3 is equal to 0 and 0.12, the phase structure of the 0.63 BiFeO3-0. 32 PbTiO3-0. 05BaZrO3 piezoelectric ceramic is converted from a tetragonal phase to a trigonal phase and the grain size is reduced along with the increase of the doping amount of Pb (Ni1/3Nb2/3) O3, and when x is equal to 0.12, the phase structure of the piezoelectric ceramic is changed from a trilateral phase to a In the BF-PT-BZ-PNN piezoelectric ceramic, trilateral and tetragonal phases coexist, the dielectric, ferroelectric and piezoelectric properties are optimal, the piezoelectric coefficient d33, the piezoelectric voltage constant g33 and the electromechanical transformation coefficient d33 * g33 are 410 pC/N, 32 * 10 <-3 > Vm/N and 13045 * 10 <-15 > m < 2 >/N respectively, the performance of d33 * g33 is superior to that of a commercial energy collector material PZT502 (d33 * g33 = 11250 * 10 <-15 > m < 2 >/N), and the performance of d33 * g33 is superior to that of the commercial energy collector material PZT502 (d33 * g33 = 11250 * 10 <-15 > m < 2 >/N). And the application of the bismuth ferrite-lead titanate-barium zirconate-based ceramic in the field of piezoelectric material research is greatly improved.
本发明公开了一种新型四元系压电陶瓷及其制备方法，利用固相反应法制备了一种化学通式为(0.63‑x)BiFeO3‑0.32PbTiO3‑0.05BaZrO3‑xPb(Ni1/3Nb2/3)O3的四元系压电陶瓷，Pb(Ni1/3Nb2/3)O3含量x＝0和0.12，本申请中的0.63BiFeO3‑0.32PbTiO3‑0.05BaZrO3压电陶瓷随着Pb(Ni1/3Nb2/3)O3的掺杂量增高，相结构由四方转变为三方相，晶粒尺寸减小，当x＝0.12，BF‑PT‑BZ‑PNN压电陶瓷中三方和四方相共存，介电、铁电和压电性能达到最优，压电系数d33、压电电压常数g33和机电转换系数d33×g33分别为410pC/N、32×10‑3Vm/N和13045×10‑15m2/N，其中，d33×g33性能优于商用能量收集器材料PZT502(d33×g33＝11250×10‑15m2/N)，使铁酸铋‑钛酸铅‑锆酸钡基陶瓷在压电材料研究领域的应用化迈出了很大的一步。
Novel quaternary piezoelectric ceramic and preparation method thereof
一种新型四元系压电陶瓷及其制备方法
CHENG JINRONG (author) / JIAO ZHIXIANG (author) / JIA FANHAO (author)
2022-05-31
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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