Electrical de-poling and re-poling of relaxor-PbTiO3 piezoelectric single crystals without heat treatment

Re-poling of unexpected partially depoled piezoelectric materials conventionally needs to be first fully depoled through annealing above their Curie temperature to revive piezoelectric performances. Here, we investigated de-poling and re-poling of Pb(In 1/2 Nb 1/2 )O 3 -Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO...

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Veröffentlicht in:	Nature communications 2024-07, Vol.15 (1), p.6420-8, Article 6420
Hauptverfasser:	Kim, Hwang-Pill, Zhang, Mao-Hua, Wang, Bo, Wu, Huaiyu, Xu, Zhengze, Liu, Sipan, Moon, Sunho, Yamashita, Yohachi, Ryu, Jong Eun, Liu, Jun, Zhang, Shujun, Chen, Long-Qing, Jiang, Xiaoning
Format:	Artikel
Sprache:	eng
Schlagworte:	147/3 639/301/1005/1006 639/301/1005/1007 639/301/119/996 Actuators Alternating current Amplitudes Coercivity Crystals Curie temperature Depolarization Direct current Electric fields Electronic devices Ferroelectric materials Ferroelectricity Ferroelectrics and multiferroics Heat treating Heat treatment Heat treatments Humanities and Social Sciences Lead titanates Low frequencies MATERIALS SCIENCE multidisciplinary Performance degradation Piezoelectricity Polarization Relaxors Room temperature Science Science (multidisciplinary) Single crystals
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Zusammenfassung:	Re-poling of unexpected partially depoled piezoelectric materials conventionally needs to be first fully depoled through annealing above their Curie temperature to revive piezoelectric performances. Here, we investigated de-poling and re-poling of Pb(In 1/2 Nb 1/2 )O 3 -Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO 3 single crystals under electric fields at room temperature. We found that alternating current electric fields with amplitudes near the coercive field at low frequencies (
ISSN:	2041-1723 2041-1723
DOI:	10.1038/s41467-024-50847-3