DataVXACS Applied Electronic MaterialsPaper
journal article·2024-12-24

Enhanced Strain Properties and Temperature Stability in Textured Potassium Niobate Sodium-Based Multilayer Piezoelectric Actuators

Di You, Shaofeng Zhang, Jichao Liu, Wei Shi, Qian Xiao, Yong Tang, Hua Tan, Feng Chen, Sixian Ye, Tran Nguyen Minh An, Junfeng Wang, Junya Wang, Ting Zhang, Haibo Zhang

ACS Applied Electronic Materials· Volume 6· Issue 12
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Source abstract

Abstract

In response to the demand for lead-free alternatives for multilayer piezoelectric actuators (MLA), high Curie temperature and environmentally friendly potassium sodium niobate (KNN) based lead-free piezoelectric ceramic systems were selected for the application research of multilayer piezoelectric actuators. In order to enhance the piezoelectric performance of the piezoelectric ceramics, template grain growth (TGG) texturing technology with LTCC multilayer component fabrication techniques was employed to investigate the relevant properties of KNN-based multilayer piezoelectric actuators. Here, a composition system of 0.96(Na 0.5 K 0.5 )(Nb 0.965 Sb 0.035 )O 3 -0.01CaZrO 3 -0.03(K 0.5 Bi 0.5 HfO 3 ) (KNNS-KBH-CZ) was chosen, and two types of MLAs, textured and nontextured, were fabricated. Both MLAs consisted of seven dielectric layers with dimensions of approximately 5.2 × 5.2 × 0.81 mm 3 . The textured KNNS-KBH-CZ exhibited a texturing degree of up to 93%. The textured KNNS-KBH-CZ actuators achieved high displacement performance (unipolar strain of 0.17%, d 33 * of 563 pm/V) at low field strength (3 kV/mm), showing an improvement of 180% compared to nontextured MLAs (0.094%) and low strain hysteresis (11%), demonstrating the potential application of KNN-based materials in the field of piezoelectric actuators.
Source: openalex_inverted_index · Quality: baseline

Research context

Ceramics & glasses

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Acoustic Wave Resonator Technologies · Dielectric materials and actuators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering, State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, P. R. China

Guangdong HUST Industrial Technology Research Institute, Guangdong Provincial Key Laboratory of Digital Manufacturing, Dongguan 523808, P. R. China

Optics Valley Laboratory, Hubei 430074, P. R. China

Shenzhen Zhenhua Fu Electronics Co., Ltd, Shenzhen, Guangdong 518109, China

Anhui Province Key Laboratory of Low-Energy Quantum Materials and Devices, High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei, Anhui 230031, China

Department of Applied Chemistry, Shanghai University, Shanghai 200444, P. R. China

Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City 71420, Viet Nam

Guangdong Dtech Technology Co.,Ltd., Dongguan 523940, China

School of Mechanical Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China

Funding

National Key Research and Development Program of China · Basic and Applied Basic Research Foundation of Guangdong Province · Natural Science Foundation of Hubei Province · National Natural Science Foundation of China · Dongguan Key Research and Development Program · Bualuang ASEAN Chair Professor Research · Shenzhen Zhenhua Fu Electronics Co., Ltd. · Dongguan Innovative Research Team Program · Innovation Project of Optics Valley Laboratory

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