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Peer-reviewedCC BY 4.0PLOS One

Effect of Sm and Ni co-doping on optical and electrical properties of lead magnesate niobate titanate ceramics

  • Denial Aias1
  • Vasilii Balanov2
  • Neamul H. Khansur3
  • Viktorija Pankratova4
  • Sivagnana Sundaram Anandakrishnan5
  • Suhas Yadav6
  • Stanislav Cichoň
  • Wei Cao
  • Ilya Grinberg
  • Yang Bai
6 affiliations
  1. 1Advanced Electronics Centre, University of Oulu, Oulu, Finland
  2. 2Department of Chemistry, Bar-Ilan University, Ramat Gan, Israel
  3. 3Institute of Glass and Ceramic, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
  4. 4Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, Ohio, United States of America
  5. 5Nano and Molecular Systems Research Unit, University of Oulu, Oulu, Finland
  6. 6Institute of Physics of the Czech Academy of Sciences, Prague, Czechia
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Abstract

The ability to manipulate the bandgap while maintaining strong ferroelectricity in perovskite oxides offers numerous functional advantages, including multimodal energy harvesting/sensing, current modulation, dual-source actuation, electric-free poling, and enhanced bulk photovoltaic effect. However, bandgap engineering of Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) – renowned for its outstanding piezoelectric properties – via Ni2+ doping remains unexplored, despite its prior success in alkaline niobates. This study provides a comprehensive characterization of the structure-property relationships in Sm/Ni co-doped PMN-PT ceramics, especially for their optoelectrical properties. The results show that Ni2+ doping behaves differently than in alkaline niobates. Nevertheless, Sm/Ni co-doping effectively tunes the phase transition, photoconductivity, charge carrier trapping, and optical absorption while retaining reasonable piezoelectric energy harvesting performance. Overall, this work offers insights into the role of Ni2+ in the band structure of Sm-PMN-PT perovskite and pyrochlore phases.

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Cite

BibTeXRIS
BibTeX
@article{aias2026effect,
  title = {{Effect of Sm and Ni co-doping on optical and electrical properties of lead magnesate niobate titanate ceramics}},
  author = {Denial Aias and Vasilii Balanov and Neamul H. Khansur and Viktorija Pankratova and Sivagnana Sundaram Anandakrishnan and Suhas Yadav and Stanislav Cichoň and Wei Cao and Ilya Grinberg and Yang Bai},
  journal = {PLOS One},
  year = {2026},
  month = sep,
  doi = {10.1371/journal.pone.0357271},
  url = {https://doi.org/10.1371/journal.pone.0357271},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Effect of Sm and Ni co-doping on optical and electrical properties of lead magnesate niobate titanate ceramics
AU  - Denial Aias
AU  - Vasilii Balanov
AU  - Neamul H. Khansur
AU  - Viktorija Pankratova
AU  - Sivagnana Sundaram Anandakrishnan
AU  - Suhas Yadav
AU  - Stanislav Cichoň
AU  - Wei Cao
AU  - Ilya Grinberg
AU  - Yang Bai
PY  - 2026
DA  - 2026/09/01
JO  - PLOS One
DO  - 10.1371/journal.pone.0357271
UR  - https://doi.org/10.1371/journal.pone.0357271
AB  - The ability to manipulate the bandgap while maintaining strong ferroelectricity in perovskite oxides offers numerous functional advantages, including multimodal energy harvesting/sensing, current modulation, dual-source actuation, electric-free poling, and enhanced bulk photovoltaic effect. However, bandgap engineering of Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) – renowned for its outstanding piezoelectric properties – via Ni2+ doping remains unexplored, despite its prior success in alkaline niobates. This study provides a comprehensive characterization of the structure-property relationships in Sm/Ni co-doped PMN-PT ceramics, especially for their optoelectrical properties. The results show that Ni2+ doping behaves differently than in alkaline niobates. Nevertheless, Sm/Ni co-doping effectively tunes the phase transition, photoconductivity, charge carrier trapping, and optical absorption while retaining reasonable piezoelectric energy harvesting performance. Overall, this work offers insights into the role of Ni2+ in the band structure of Sm-PMN-PT perovskite and pyrochlore phases.
SN  - 1932-6203
ER  -