Wei-Yi Chang, Ching-Chang Chung, Chengtao Luo, 等. Dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 single crystal poled using alternating current[J]. 材料研究快报(英文), 2018,6(10):537-544.
Wei-Yi Chang, Ching-Chang Chung, Chengtao Luo, et al. Dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 single crystal poled using alternating current[J]. Materials Research Letters, 2018, 6(10): 537-544.
Wei-Yi Chang, Ching-Chang Chung, Chengtao Luo, 等. Dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 single crystal poled using alternating current[J]. 材料研究快报(英文), 2018,6(10):537-544.DOI: 10.1080/21663831.2018.1498812.
Wei-Yi Chang, Ching-Chang Chung, Chengtao Luo, et al. Dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 single crystal poled using alternating current[J]. Materials Research Letters, 2018, 6(10): 537-544.DOI: 10.1080/21663831.2018.1498812.
Dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 single crystal poled using alternating current
(PMN-30%PT) single crystal samples were poled using an alternating current (electric field) poling (ACP) method. Compared to the traditional poling method
the piezoelectric coefficient
free and clamped dielectric constants were improved more than 21%. X-ray diffraction result suggests the existence of monoclinic phase (
M
A
) in ACP samples and piezoresponse force microscopy (PFM) result further depicts the finer engineered domain structures. The ACP sample also showed the unique phase transition sequences during the depoling process. Our work could provide a novel domain engineered method to enhance piezoelectric properties of PMN-PT single crystal.
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references
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