DataVXInternational Journal of Applied Ceramic TechnologyPaper
journal article·2025-09Open access

Achievement of high energy density and efficiency in Bi(Mg 0.5 Hf 0.5 )O 3 modified Ba 0.55 Sr 0.45 TiO 3 ceramics

Ihsan Ullah, Abdul Manan, Rajwali Khan, Maqbool Ur Rehman, Raz Muhammad, Gang Liu, Amjad A. Almunyif, Shabir Ali

International Journal of Applied Ceramic Technology· Volume 22· Issue 5
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Source abstract

Abstract

Abstract (1 ‒ x )Ba 0.55 Sr 0.45 TiO 3 ‒ x Bi(Mg 0.5 Hf 0.5 )O 3 [(1 ‒ x )BST‒ x BMH] ( x = 0, 0.05, 0.10, 0.15, and 0.20) ceramics were fabricated through the well‐known low‐cost solid‐state mix oxide sintering method. The physical and electrical properties were investigated for all ceramics sintered at 1350°C/2 h. X‐ray diffraction data analysis revealed single Perovskite phase with pseudocubic symmetry for all compositions. The microstructure examination revealed densely packed grains with lowest average grain size of 0.70 µm for x = 0.15. BMH doping lowered the electrical conductivity that has significant effect on the breakdown voltage with increased activation energy. High recoverable energy storage density ∼4.69 J/cm 3 and high efficiency ∼91% at an electric field ∼450 kV/cm is achieved for 0.85BST−0.15BMH ceramic. Furthermore, 0.85BST−0.15BMH ceramic possess fast discharge time of ∼40 ns and a high power density of 122 MW/cm 3 at 180 kV/cm. These properties reveal that 0.85BST−0.15BMH ceramic is a potential candidate for power electronic capacitor applications working in high‐temperature condition.
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Research context

Ceramics & glassesElectronic materials

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Microwave Dielectric Ceramics Synthesis · Multiferroics and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics University of Lakki Marwat Lakki Marwat Pakistan

Laboratory for Research in Advanced Materials, Department of Physics University of Science & Technology Bannu Bannu Pakistan

Materials Research Institute Pennsylvania State University University Park Pennsylvania USA

National Water and Energy Center United Arab Emirates University Al Ain United Arab Emirates

Center for Advanced Ceramics School of Materials Science and Engineering Anhui Polytechnic University Wuhu China

Department of Physics Abdul Wali Khan University Mardan Mardan Pakistan

School of Materials and Energy Southwest University Chongqing China

Department of Physics, College of Sciences Princess Nourah bint Abdulrahman University Riyadh Saudi Arabia

College of Mechanical and Energy Engineering Beijing University of Technology Beijing China

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