Powerful electronics don't have to come at an environmental cost. Scientists at Osaka Metropolitan University have developed high-performance, lead-free piezoelectric thin films directly on standard ...

Piezoelectricity is a property of certain materials to become electrically polarized under strain and stress. This phenomenon has been studied extensively since it was first discovered in the mid-18 ...

Researchers at the Chinese Academy of Sciences have produced ultrathin bismuth ferrite (BiFeO₃) films that deliver a fourfold ...

The increasing miniaturization and sophistication of electronic products, ranging from consumer media devices to medical diagnostic tools to defense-related sonar applications, presents a bounty of ...

Before humans discovered ultrasound for a variety of medical, technical and military applications, nature had perfected it over millions of years for navigation under and above water. Dolphins and ...