DataVXInternational Journal of Applied Ceramic TechnologyPaper
journal article·2013-09

Effects of ZnO–B 2 O 3 Addition on the Microstructure and Microwave Properties of Low‐Temperature Sintered Barium Strontium Titanate ( BST ) Thick Films

Christian Kohler, Andreas Friederich, Mohsen Sazegar, Mohammad Nikfalazar, Florian Stemme, Di Wang, Christian Kuebel, Rolf Jakoby, Joachim R. Binder

International Journal of Applied Ceramic Technology· Volume 10· Issue s1
Publisher page
Source abstract

Abstract

BST –ZnO–B 2 O 3 –composite thick films have been investigated regarding their suitability as low‐temperature sintered tunable microwave dielectrics. The investigations showed that already a small amount of Z nO–B 2 O 3 additive can remarkably reduce the sintering temperature down to 900°C. Microstructural investigations of the thick films revealed the formation of an amorphous intergranular phase and a clustering of particles for high additive amounts. The microwave characterization showed a reduction in relative permittivity, dielectric loss, and tunability of the thick films with increasing additive content. These results demonstrate the potential to tailor the material abilities by varying the additive content.
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Research context

Ceramics & glassesComposites

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Microwave Dielectric Ceramics Synthesis · Advanced ceramic materials synthesis

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

Affiliations

Institute for Applied Materials (IAM‐WPT) Karlsruhe Institute of Technology 76344 Eggenstein‐Leopoldshafen Germany

Institute for Microwave Engineering and Photonics (IMP) Technische Universität Darmstadt D‐64283 Darmstadt Germany

Institute of Nanotechnology (INT) Karlsruhe Institute of Technology D‐76344 Eggenstein‐Leopoldshafen Germany

Karlsruhe Nano Micro Facility (KNMF) Karlsruhe Institute of Technology D‐76344 Eggenstein‐Leopoldshafen Germany

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