Dual Vibration and Magnetic Energy Harvesting With Bidomain LiNbO3-Based Composite


With the recent thriving of low-power electronic microdevices and sensors, the development of components capable of scavenging environmental energy has become imperative. In this article, we studied bidomain congruent LiNbO3 (LN) single crystals combined with magnetic materials for dual, mechanical, and magnetic energy harvesting applications. A simple magneto-mechano-electric composite cantilever, with a trilayered long-bar bidomain LN/spring-steel/metglas structure and a large tip proof permanent magnet, was fabricated. Its vibration and magnetic energy harvesting capabilities were tested while trying to optimize its resonant characteristics, load impedance, and tip proof mass. The vibration measurements yielded a peak open-circuit voltage of 2.42 kV/g, a short-circuit current of 60.1 mu A/g, and an average power of up to 35.6 mW/g(2), corresponding to a power density of 6.9 mW/(cm(3) . g(2)), at a low resonance frequency of 29.22 Hz and with an optimal load of 40 M Omega. The magnetic response revealed a resonant peak open-circuit voltage of 90.9 V/Oe and an average power of up to 49.9 mu W/Oe(2), corresponding to a relatively large magnetoelectric coefficient of 1.82 kV/(cm.Oe) and a power density of 9.7 mu W/(cm(3) . Oe(2)). We thus developed a system that is, in principle, able to scavenge electrical power simultaneously from low-level ambient mechanical andmagnetic sources to feed low-power electronic devices.



subject category

Acoustics; Engineering


Vidal, JV; Turutin, AV; Kubasov, IV; Kislyuk, AM; Kiselev, DA; Malinkovich, MD; Parkhomenko, YN; Kobeleva, SP; Sobolev, NA; Kholkin, AL

our authors


This work was supported in part by the Russian Science Foundation in part of magnetoelectric measurements and selection of optimal crystallographic cut of LiNbO3 crystals under Project 18-79-10265, in part by the Ministry of Science and Higher Education of the Russian Federation in the Framework of the Increase Competitiveness Program of NUST MISiS in part of preparation of bidomain LiNbO3 samples under Grant K2-2019-015 and within the scope of the State Assignment (basic research, Project No. 0718-2020-0031 New magnetoelectric composite materials based on oxide ferroelectrics having an ordered domain structure: production and properties). This work was developed within the scope of the project CICECO-Aveiro Institute of Materials, ref. UIDB/50011/2020 & UIDP/50011/2020, financed by national funds through the Portuguese Foundation for Science and Technology/MCTES and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement and of the project i3N, UIDB/50025/2020 & UIDP/50025/2020, financed by national funds through the FCT/MEC. The work of Joao V. Vidal and Andrei L. Kholkin was supported by FCT through a Project SelfMED under Grant POCI-01-0145-FEDER-031132.

Share this project:

Related Publications

We use cookies for marketing activities and to offer you a better experience. By clicking “Accept Cookies” you agree with our cookie policy. Read about how we use cookies by clicking "Privacy and Cookie Policy".