Yun Liu

Title: Innovations of Yun Liu in Piezoelectric Devices

Introduction

Yun Liu is a notable inventor based in Tosu, Japan. He has made significant contributions to the field of electronic devices, particularly in the development of multilayered structures that exhibit unique properties.

Latest Patents

One of his key patents is titled "Device having two perovskite crystalline layers that shows hysteresis and piezoelectric behavior." This invention discloses an electronic device with a multilayered structure consisting of a substrate, an electroconductive layer of lanthanum nickel oxide (LaNiO) with a perovskite structure, and a dielectric layer of PZT that has an oriented perovskite structure. The device demonstrates an excellent piezoelectric effect under mechanical stress and a stable hysteresis phenomenon of electric polarization when electric fields are applied. This innovation positions the device as a valuable tool for stress sensing and memory applications.

Career Highlights

Yun Liu is associated with the Agency of Industrial Science and Technology, where he continues to advance research in electronic devices. His work has garnered attention for its practical applications and innovative approach to material science.

Collaborations

He has collaborated with notable colleagues, including Chaonan Xu and Tadahiko Watanabe, contributing to the advancement of technology in his field.

Conclusion

Yun Liu's innovative work in piezoelectric devices showcases his expertise and commitment to advancing technology. His contributions are paving the way for future developments in electronic applications.