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Synthesis and Microwave Dielectric Characterization of Ca1-xSrxTiO3, Low-Loss Ceramics

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Abstract

Microwave dielectric ceramics in the Ca1-xSrxTiO3 (0 ≤ x ≤ 0.7) composition series were fabricated via conventional solid state, mixed oxides route. The structural, microstructural and microwave dielectric properties of the sintered samples were investigated. The XRD patterns revealed the formation of a single-phase perovskite-structured compositions calcined at 1000 °C for 3 h in air. The structure was observed to be transformed from noncentrosymmetric orthorhombic (Pnma) to centrosymmetric cubic (Pm3m) at 0.5 ≤ x. Microwave dielectric properties like relative permittivity (εr), quality factor (Qxf) and dielectric loss (tan δ) were measured at relatively lower frequency for millimeter (mm) wave wireless applications.

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Acknowledgments

The authors acknowledge the technical support provided by Materials Research Laboratory (MRL) and Centralized Research Laboratory (CRL), University of Peshawar, Pakistan.

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Authors and Affiliations

  1. Department of Physics, Riphah International University, Islamabad, 44000, Pakistan

    Abid Zaman & Nasir Mehboob

  2. Department of Physics, Government College Hayatabad, Peshawar, 25000, Pakistan

    Sarir Uddin

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  1. Abid Zaman
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  2. Sarir Uddin
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  3. Nasir Mehboob
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Correspondence to Sarir Uddin.

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Zaman, A., Uddin, S. & Mehboob, N. Synthesis and Microwave Dielectric Characterization of Ca1-xSrxTiO3, Low-Loss Ceramics. Iran J Sci Technol Trans Sci 45, 367–371 (2021). https://doi.org/10.1007/s40995-020-00990-5

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  • DOI: https://doi.org/10.1007/s40995-020-00990-5

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