journal article·2014

Preparation and Characterization of A New Ferroelectric Ternary Solid Solution Pb(Lu$lt;inf$gt;1/2$lt;/inf$gt;Nb$lt;inf$gt;1/2$lt;/inf$gt;)O$lt;inf$gt;3$lt;/inf$gt;-Pb(Mg$lt;inf$gt;1/3$lt;/inf$gt;Nb$lt;inf$gt;2/3$lt;/inf$gt;)O$lt;inf$gt;3$lt;/inf$gt;-PbTiO$lt;inf$gt;3$lt;/inf$gt;

LIU Ying, LAI Fa-Chun, Huang Zhi-Gao, SHEN Dong-Quan, LONG Xi-Fa

Journal of Inorganic Materials· Volume 29· Issue 9
Publisher page

Abstract

采用二次合成法制备了纯相钙钛矿结构三元(0.7- x )Pb(Lu 1/2 Nb 1/2 )O 3 -0.3Pb(Mg 1/3 Nb 2/3 )O 3 - x PbTiO 3 (PLN- PMN-PT) (0.38 ≤ x ≤ 0.46) 压电陶瓷, 研究了准同型相界(MPB)附近组分的介电、压电和铁电性能。XRD分析表明PLN-PMN-PT存在准同型相界, 且准同型相界区域大致为0.40 ≤ x ≤ 0.44。MPB附近组分为0.29PLN-0.3PMN- 0.41PT陶瓷具有较高的居里温度和相变温度, 分别为270℃和135℃, 同时该组分表现出较好的铁电压电性能, 压电系数达到460 pC/N, 矫顽场为14.8 kV/cm, 剩余极化强度 P r 为34.6 μC/cm 2 。PLN-PMN-PT材料在压电领域具有潜在的应用前景。
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Silicone and Siloxane Chemistry

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