The "Guangdong-Technion Leadership in Science and Technology Lecture Series" has been held at GTIIT to provide a platform for high-impact dialogues that explore topics that are pertinent to our faculty, our students, and our community.

On April 7, the "Guangdong-Technion Leadership in Science and Technology Lecture Series" will invite Prof. Li Jingfeng, to share his research advances in the field of ferroelectric and thermoelectric materials for GTIIT teachers and students.

Information

Date: April 7th (Thursday)

Time: 19:00-20:00 (Beijing Time) 14:00-15:00 (Israel Time)

Venue: GTIIT E309 (Educational Building)

Title: Ferroelectric and Thermoelectric Materials: Research Advances

Speaker: Prof. Li Jingfeng (Tsinghua University MSE)

Host: Prof. Daniel Tan (GTIIT MSE)

Language: English (Simultaneous interpretation will be available)

Zoom Link:

(1) By mobile phone: please scan the QR code to attend the lecture

(2) By PC: please click https://gtiit.zoom.us/j/96077776787 to attend the  lecture 

Abstract

Ferroelectric and thermoelectric materials are two kinds of functional materials, which have been lying at the forefront of materials research. Ferroelectric ceramics have a variety of applications from piezoelectric energy conversion to dielectric energy storage, while thermoelectric materials are used for direct waste heat to electricity conversion and electronic cooling. This talk will first introduce ferroelectric (K, Na)NbO3 (KNN) as a promising lead-free piezoelectric system, focusing on some key strategies to improve the piezoelectric properties of KNN-based piezoelectric ceramics to the level of lead-based piezoelectric ceramics or even better. Considering the scientific links and emerging applications, I will also mention our recent work on similar niobate AgNbO3 as a promising lead-free antiferroelectric for dielectric energy storage application. Finally, I will briefly review the latest advances in the development of high-performance thermoelectric materials, with an emphasis on nanostructure engineering and thermoelectric enhancement mechanisms.

Prof. Li Jingfeng

Prof. Jing-Feng Li is Changjiang scholar distinguished professor of Materials Science and Engineering in Tsinghua University and also serves as deputy director of Tsinghua University-Toyota research center. He joined Tsinghua University as a full professor in 2002 after working in Tohoku University as an assistant/associate professor from 1992. He has published 500+ papers (H index 79) and three books including a recent one entitled "Lead-free Piezoelectric Materials" published by WILEY-VCH. Prof. Li now serves as Editor-in-Chief for Journal of Materiomics and associate Editor-in-Chief of Journal of the Chinese Ceramic Society as well as editorial board members for several international journals. He is a foreign fellow of Engineering Academy of Japan, fellow of American Ceramic Society, IEEE Ferroelectric Standing Committee member and Symposium Chair, and board member of International Thermoelectric Society.

Text/Photos: RIGS, GTIIT News & Public Affairs