Application of Lead-Free Ferroelectric Films in pMUT

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

Unveiling the Ecological Footprint of Lead-Free Piezoelectric Ceramics

Unveiling the Ecological Footprint of Lead-Free Piezoelectric Ceramics

Research Background Piezoelectric ceramics can achieve the conversion between mechanical energy and electrical energy, making them key materials in important fields such as information communication, biomedical, defense industry, and consumer electronics. Since the discovery of lead zirconate titanate (PZT) in 1955, its excellent piezoelectric properties have led to its rapid application in sensors, actuators, and … Read more

Structure And Properties Of KNN-Based Lead-Free Piezoceramics

Structure And Properties Of KNN-Based Lead-Free Piezoceramics

Huan Yu:2016 Tsinghua University Excellent Doctoral Dissertation Second Prize Winner Structure and properties of KNN-based lead-free piezoceramics near polymorphic phase transition boundary Author:Huan Yu Supervisor:Xiaohui Wang Professor Department:Materials Science and Engineering Discipline:Materials Science and Engineering PhD Experience:Being a PhD is1%inspiration and99%sweat. Research Background/Significance/Value Piezoceramics are widely used in actuators, sensors, and transducers. To protect the … Read more

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

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