Ferroelectric properties of donor-acceptor co-doped BaTiO ceramics

Kuwata, Kenta*; Matsuo, Hiroki*; Noguchi, Yuji*; Yoneda, Yasuhiro

Barium titanate (BaTiO) is doped with transition metal (TM) ions such as Ni, which act as acceptors to trap electronic carriers (electrons or holes) generated by reductive calcination. In this study, we fabricated BaTiO ceramics co-doped with Dy and La and evaluated their ferroelectric and photovoltaic properties. It was found that the Ni valence can be controlled by Dy/Ni co-doping and that the visible photovoltaic effect can be enhanced by introducing impurity levels derived from Ni-3d.

Language	:	Japanese
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Meeting title	:	日本セラミックス協会2024年年会
Held date	:	2024/03
Location (city)	:	熊本
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : BB20231453
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