Piezoelectric

Latest Nature Sub-Journal from Beijing University of Science and Technology: Achieving Ultra-High Piezoelectric Performance in (K,Na)NbO₃ System Based on Lattice Softening and Grain Orientation Strategies

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Latest Nature Sub-Journal from Beijing University of Science and Technology: Achieving Ultra-High Piezoelectric Performance in (K,Na)NbO₃ System Based on Lattice Softening and Grain Orientation Strategies

| Welcome to submit, please contact: MatResFron001 (WeChat ID) First Author (or Co-First Author): Zhu Lifeng, Liu Dong, Shi Xiaoming Corresponding Authors (or Co-Corresponding Authors): Deng Shiqing, Zhang Boping, Zhang Shujun, Li Jingfeng Affiliated Institutions: Beijing University of Science and Technology; Tsinghua University; University of Wollongong, Australia Paper DOI: https://doi.org/10.1038/s41467-025-56074-8 1. Overview: Potassium Sodium Niobate((K,Na)NbO3) … Read more

Enhancement Mechanisms of Piezoelectric, Dielectric, and Thermal Stability in (K, Na)NbO₃

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Enhancement Mechanisms of Piezoelectric, Dielectric, and Thermal Stability in (K, Na)NbO₃

| Welcome to submit articles, please contact: MatResFron001 (WeChat ID) Introduction: (K, Na)NbO3 (KNN) based piezoelectric ceramics are the most promising lead-free system to replace lead zirconate titanate (PZT) in the piezoelectric field due to their suitable piezoelectric coefficient and high Curie temperature. Currently, the research on the performance regulation of KNN has matured, and … Read more

Impact of Grain Size on Piezoelectric Ceramic Performance

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Impact of Grain Size on Piezoelectric Ceramic Performance

Introduction Piezoelectric ceramics are an important functional ceramic that realize the conversion between electrical and mechanical energy through the piezoelectric effect. They are widely used in fields such as information sensing, medical health, military defense, and aerospace. To date, the most studied piezoelectric materials are piezoelectric ceramics with a perovskite structure. However, due to the … Read more

Application of Lead-Free Ferroelectric Films in pMUT

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Application of Lead-Free Ferroelectric Films in pMUT

Research Background: Micro piezoelectric ultrasonic transducers (pMUTs) have significant applications in fields such as medical imaging, fingerprint recognition, distance detection, and gesture recognition. The emission sensitivity of the device is one of the most important indicators for evaluating the pMUT emitter, in which the piezoelectric layer plays a critical role. In recent years, the piezoelectric … Read more

Introduction to Achievements of the National Key Laboratory of Powder Metallurgy at Central South University – Issue 1

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Introduction to Achievements of the National Key Laboratory of Powder Metallurgy at Central South University - Issue 1

Piezoelectric ceramics are functional ceramic materials capable of converting mechanical energy and electrical energy into each other, widely applied in devices such as piezoelectric sensors, actuators, transducers, and filters. Their application spans numerous fields including aerospace, military, information electronics, industrial machinery, medical, and automotive. The development of new environmentally friendly lead-free piezoelectric ceramics has become … Read more

Cell-Anchored Lead-Free Piezoelectric KNN NPs for Neuromodulation

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Cell-Anchored Lead-Free Piezoelectric KNN NPs for Neuromodulation

Electrical stimulation, as a physical stimulation method, can effectively regulate tissue damage repair. In the process of nerve injury repair, electrical stimulation can effectively regulate the differentiation of nerve cells, achieving a certain degree of neural network reconstruction. Ultrasound (US) triggered piezoelectric nanomaterials generate electrical signals as a new type of wireless electrical stimulation method, … Read more

Innovative Diffusion-Type PPB Interface in KNN Piezoelectric Ceramics

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Innovative Diffusion-Type PPB Interface in KNN Piezoelectric Ceramics

In recent years, inspired by the high piezoelectric response at the MPB interface in lead-containing PZT-based ceramics, researchers have successfully constructed a polycrystalline phase boundary (PPB) in KNN-based ceramics, significantly improving the piezoelectric coefficient of KNN-based piezoelectric ceramics. However, KNN-based ceramics developed using the PPB phase boundary strategy often exhibit instability in the d33 temperature. … Read more

High Voltage Electrical Performance of Lead-Free KNN-Based Textured Ceramics

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High Voltage Electrical Performance of Lead-Free KNN-Based Textured Ceramics

Click above on “Material People” to subscribe to us [Introduction] Piezoelectric materials are functional materials that can convert electrical energy into mechanical energy and vice versa. Piezoelectric ceramics are widely used in electronic devices such as transducers, sensors, actuators, and energy harvesters due to their positive piezoelectric effect (i.e., piezoelectric ceramics generate charges on their … Read more