Development of Yttrium-Doped BaTiO3 for Next-Generation Multilayer Ceramic Capacitors

Mohammed Tihtih; Jamal Eldin F.M. Ibrahim; Mohamed A. Basyooni; Redouane En-Nadir; Walid Belaid; Irina Hussainova; István Kocserha

doi:10.1021/acsomega.2c07497

Development of Yttrium-Doped BaTiO₃ for Next-Generation Multilayer Ceramic Capacitors

Mohammed Tihtih^*
, Jamal Eldin F.M. Ibrahim
, Mohamed A. Basyooni
, Redouane En-Nadir
, Walid Belaid
, Irina Hussainova
, István Kocserha

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

The use of electronic devices that incorporate multilayer ceramic capacitors (MLCCs) is on the rise, requiring materials with good electrical properties and a narrow band gap. This study synthesized yttrium-substituted barium titanate (Ba_1-xY_xTiO₃, BYT) using a sol-gel process at 950 °C with varying concentrations of yttrium (0 ≤ x ≤ 0.3). X-ray diffraction analysis showed that the tetragonal phase became less pronounced as the yttrium content increased. The samples had varying grain sizes and porosity, with the BY30%T sample having the narrowest band gap at 2.21 eV. The BYT ceramic with 30% yttrium had a thermal conductivity of up to 7 W/m K and an electrical conductivity down to 0.002 (Ω cm)⁻¹ at 180 °C. The current-voltage characteristics of the BYT MLCC were also studied, showing potential use in next-generation high-capacity MLCCs. This work presents BYT as a promising material for these types of capacitors.

Original language	English
Pages (from-to)	8448-8460
Number of pages	13
Journal	ACS Omega
Volume	8
Issue number	9
DOIs	https://doi.org/10.1021/acsomega.2c07497
State	Published - 7 Mar 2023
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2023 The Authors. Published by American Chemical Society.

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

Access to Document

10.1021/acsomega.2c07497

Cite this

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title = "Development of Yttrium-Doped BaTiO3 for Next-Generation Multilayer Ceramic Capacitors",

abstract = "The use of electronic devices that incorporate multilayer ceramic capacitors (MLCCs) is on the rise, requiring materials with good electrical properties and a narrow band gap. This study synthesized yttrium-substituted barium titanate (Ba1-xYxTiO3, BYT) using a sol-gel process at 950 °C with varying concentrations of yttrium (0 ≤ x ≤ 0.3). X-ray diffraction analysis showed that the tetragonal phase became less pronounced as the yttrium content increased. The samples had varying grain sizes and porosity, with the BY30\%T sample having the narrowest band gap at 2.21 eV. The BYT ceramic with 30\% yttrium had a thermal conductivity of up to 7 W/m K and an electrical conductivity down to 0.002 (Ω cm)−1 at 180 °C. The current-voltage characteristics of the BYT MLCC were also studied, showing potential use in next-generation high-capacity MLCCs. This work presents BYT as a promising material for these types of capacitors.",

author = "Mohammed Tihtih and Ibrahim, \{Jamal Eldin F.M.\} and Basyooni, \{Mohamed A.\} and Redouane En-Nadir and Walid Belaid and Irina Hussainova and Istv{\'a}n Kocserha",

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AU - Tihtih, Mohammed

AU - Ibrahim, Jamal Eldin F.M.

AU - Basyooni, Mohamed A.

AU - En-Nadir, Redouane

AU - Belaid, Walid

AU - Hussainova, Irina

AU - Kocserha, István

PY - 2023/3/7

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N2 - The use of electronic devices that incorporate multilayer ceramic capacitors (MLCCs) is on the rise, requiring materials with good electrical properties and a narrow band gap. This study synthesized yttrium-substituted barium titanate (Ba1-xYxTiO3, BYT) using a sol-gel process at 950 °C with varying concentrations of yttrium (0 ≤ x ≤ 0.3). X-ray diffraction analysis showed that the tetragonal phase became less pronounced as the yttrium content increased. The samples had varying grain sizes and porosity, with the BY30%T sample having the narrowest band gap at 2.21 eV. The BYT ceramic with 30% yttrium had a thermal conductivity of up to 7 W/m K and an electrical conductivity down to 0.002 (Ω cm)−1 at 180 °C. The current-voltage characteristics of the BYT MLCC were also studied, showing potential use in next-generation high-capacity MLCCs. This work presents BYT as a promising material for these types of capacitors.

AB - The use of electronic devices that incorporate multilayer ceramic capacitors (MLCCs) is on the rise, requiring materials with good electrical properties and a narrow band gap. This study synthesized yttrium-substituted barium titanate (Ba1-xYxTiO3, BYT) using a sol-gel process at 950 °C with varying concentrations of yttrium (0 ≤ x ≤ 0.3). X-ray diffraction analysis showed that the tetragonal phase became less pronounced as the yttrium content increased. The samples had varying grain sizes and porosity, with the BY30%T sample having the narrowest band gap at 2.21 eV. The BYT ceramic with 30% yttrium had a thermal conductivity of up to 7 W/m K and an electrical conductivity down to 0.002 (Ω cm)−1 at 180 °C. The current-voltage characteristics of the BYT MLCC were also studied, showing potential use in next-generation high-capacity MLCCs. This work presents BYT as a promising material for these types of capacitors.

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