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Kumari A, Kumari K, Aljawfi RN, Alvi PA, Dalela S, Ahmad MM, Chawla AK, Kumar R, Vij A, Kumar S. Role of La substitution on structural, optical, and multiferroic properties of BiFeO3 nanoparticles. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-01844-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kang MG, Kang HB, Clavel M, Maurya D, Gollapudi S, Hudait M, Sanghadasa M, Priya S. Magnetic Field Sensing by Exploiting Giant Nonstrain-Mediated Magnetodielectric Response in Epitaxial Composites. NANO LETTERS 2018; 18:2835-2843. [PMID: 29613808 DOI: 10.1021/acs.nanolett.7b05248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Heteroepitaxial magnetoelectric (ME) composites are promising for the development of a new generation of multifunctional devices, such as sensors, tunable electronics, and energy harvesters. However, challenge remains in realizing practical epitaxial composite materials, mainly due to the interfacial lattice misfit strain between magnetostrictive and piezoelectric phases and strong substrate clamping that reduces the strain-mediated ME coupling. Here, we demonstrate a nonstrain-mediated ME coupling in PbZr0.52Ti0.48O3 (PZT)/La0.67Sr0.33MnO3 (LSMO) heteroepitaxial composites that resolves these challenges, thereby, providing a giant magnetodielectric (MD) response of ∼27% at 310 K. The factors driving the magnitude of the MD response were found to be the magnetoresistance-coupled dielectric dispersion and piezoelectric strain-mediated modulation of magnetic moment. Building upon this giant MD response, we demonstrate a magnetic field sensor architecture exhibiting a high sensitivity of 54.7 pF/T and desirable linearity with respect to the applied external magnetic field. The demonstrated technique provides a new mechanism for detecting magnetic fields based upon the MD effect.
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Affiliation(s)
- Min Gyu Kang
- Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS) , Virginia Tech , Blacksburg , Virginia 24061 , United States
| | - Han Byul Kang
- Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS) , Virginia Tech , Blacksburg , Virginia 24061 , United States
| | - Michael Clavel
- Advanced Devices & Sustainable Energy Laboratory , Virginia Tech , Blacksburg , Virginia 24061 , United States
| | - Deepam Maurya
- Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS) , Virginia Tech , Blacksburg , Virginia 24061 , United States
| | - Sreenivasulu Gollapudi
- Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS) , Virginia Tech , Blacksburg , Virginia 24061 , United States
| | - Mantu Hudait
- Advanced Devices & Sustainable Energy Laboratory , Virginia Tech , Blacksburg , Virginia 24061 , United States
| | - Mohan Sanghadasa
- U.S. Army Aviation and Missile Research , Development and Engineering Center , Redstone Arsenal , Alabama 35898 , United States
| | - Shashank Priya
- Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS) , Virginia Tech , Blacksburg , Virginia 24061 , United States
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