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PreprintCC BY 4.0arXiv

Development and Application of a Magnetoelectric Coupling Measurement System for Strain-Mediated Effects

  • Samanway Mohanta
  • Poonacha C. T
  • Hemant Singh
  • Gunjan Verma
  • A. Ahlawat
  • S. C. Das
  • G. Sinha
  • V. G. Sathe
  • D. K. Shukla
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Abstract

This paper reports about development of a dynamic lock-in based magnetoelectric (ME) coupling measurement system and its application to investigate strain-mediated coupling in 0.65Pb(Mg1/3Nb2/3)O3-0.35PbTiO3/NiFe2O4 (PMN-PT/NFO) and CoFe2O4/BaTiO3 (CFO/BTO) composites. The PMN-PT/NFO composite exhibits a significantly enhanced ME coefficient (αME ≈ 1.85~mV\,mm−1\,Oe−1) compared to CFO/BTO (≈ 0.147~mV\,mm−1\,Oe−1). The antisymmetric field dependence and 180∘ phase reversal confirm the strain-driven origin of coupling in both the samples. The superior response of PMN-PT/NFO arises from the combined effect of high piezoelectric strength in PMN-PT and low magnetic anisotropy of NFO, whereas the high magnetic anisotropy of CFO and weaker piezoelectricity of BTO limit the ME output. These results highlight the decisive role of magnetic softness and piezoelectric strength in optimizing strain-mediated ME coupling.

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Cite

BibTeXRIS
BibTeX
@misc{mohanta2026development,
  title = {{Development and Application of a Magnetoelectric Coupling Measurement System for Strain-Mediated Effects}},
  author = {Samanway Mohanta and Poonacha C. T and Hemant Singh and Gunjan Verma and A. Ahlawat and S. C. Das and G. Sinha and V. G. Sathe and D. K. Shukla},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.04599},
  eprint = {2610.04599},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.04599},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Development and Application of a Magnetoelectric Coupling Measurement System for Strain-Mediated Effects
AU  - Samanway Mohanta
AU  - Poonacha C. T
AU  - Hemant Singh
AU  - Gunjan Verma
AU  - A. Ahlawat
AU  - S. C. Das
AU  - G. Sinha
AU  - V. G. Sathe
AU  - D. K. Shukla
PY  - 2026
DA  - 2026/10/03
PB  - arXiv
DO  - 10.48550/arxiv.2610.04599
UR  - https://arxiv.org/abs/2610.04599
AB  - This paper reports about development of a dynamic lock-in based magnetoelectric (ME) coupling measurement system and its application to investigate strain-mediated coupling in 0.65Pb(Mg_1/3Nb_2/3)O_3-0.35PbTiO_3/NiFe_2O_4 (PMN-PT/NFO) and CoFe_2O_4/BaTiO_3 (CFO/BTO) composites. The PMN-PT/NFO composite exhibits a significantly enhanced ME coefficient (α_ME ≈ 1.85~mV\,mm^−1\,Oe^−1) compared to CFO/BTO (≈ 0.147~mV\,mm^−1\,Oe^−1). The antisymmetric field dependence and 180^∘ phase reversal confirm the strain-driven origin of coupling in both the samples. The superior response of PMN-PT/NFO arises from the combined effect of high piezoelectric strength in PMN-PT and low magnetic anisotropy of NFO, whereas the high magnetic anisotropy of CFO and weaker piezoelectricity of BTO limit the ME output. These results highlight the decisive role of magnetic softness and piezoelectric strength in optimizing strain-mediated ME coupling.
ER  -