Significantly enhanced room temperature electrocaloric response with superior thermal stability in sodium niobate-based bulk ceramics

Author:

Yu Ying1234,Gao Feng56789,Weyland Florian10111213,Du Hongliang123414ORCID,Jin Li141516174ORCID,Hou Lei141516174,Yang Zetian1234,Novak Nikola181920,Qu Shaobo1234

Affiliation:

1. Department of Basic Sciences

2. Air Force Engineering University

3. Xi’an 710051

4. China

5. State Key Laboratory of Solidification Processing

6. MIIT Key Laboratory of Radiation Detection Materials and Devices

7. USI Institute of Intelligence Materials and Structure

8. NPU-QMUL Joint Research Institute of Advanced Materials and Structure

9. School of Materials Science and Engineering

10. Institute of Materials and Earth Science

11. Technische Universität Darmstadt

12. 64287 Darmstadt

13. Germany

14. Electronic Materials Research Laboratory

15. School of Electronic and Information Engineering

16. Xi’an Jiaotong University

17. Xi’an 710049

18. Jožef Stefan Institute

19. 1000 Ljubljana

20. Slovenia

Abstract

This work simultaneously achieved a large temperature change (ΔT, ∼0.70 K) at room temperature and ultra-stable ΔT(±1.4% variation between 300 K with 380 K) in 0.78NaNbO3–0.22BaTiO3bulk ceramic.

Funder

National Natural Science Foundation of China

Northwestern Polytechnical University

Deutsche Forschungsgemeinschaft

Javna Agencija za Raziskovalno Dejavnost RS

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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