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Meeting MS&T25: Materials Science & Technology
Symposium Controlled Synthesis, Processing, and Applications of Structural and Functional Nanomaterials
Presentation Title K-4: In Situ Temperature-Dependent X-Ray Diffraction Study of Sn-Doped BaTiO₃ Piezoelectric Ceramic
Author(s) Jacob Paul Akana, Neamul Khansur
On-Site Speaker (Planned) Jacob Paul Akana
Abstract Scope Advanced lead-free ferroelectrics of the ABO₃ perovskite structure derive their piezoelectric properties from the hybridization between the B-site cations and oxygen anions, allowing properties to be engineered through doping at the B cation site. Piezoelectric compositions tend to achieve enhanced electromechanical coupling close to the morphotropic phase boundaries. Sn-doped BaTiO₃ (i.e., BaSnₓTi₁₋ₓO₃, BST) is a promising lead-free ferroelectric. BST exhibits Rhombohedral (R), Orthorhombic (O), Tetragonal (T), and Cubic (C) phases, as in its parent BaTiO₃, with phase boundaries shifting as Sn content increases, resulting in a convergence of the R, O, T, and C phases at room temperature in approximately 11 mol% Sn BST. In this work, we will use Rietveld refinement to investigate the crystal structure change of BSTₓ (x = 0-0.15) as the function of temperature (-100 °C-150 °C). This analysis revealed further insights into the temperature-and composition-dependent functional properties of BST ferroelectrics.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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Defect Engineering and Phase Stability of MXenes for High Temperatures
Design of Nanolayered Carbides Through Assembly & Fusion of 2D Building Blocks
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Engineered Laser-Induced Nanomaterials for Long-Term Stable, Skin-Conformal, and Non-Invasive Biosensing Applications
Engineering of Carbon Defects in TiO2 Nanoparticle Architectures
Exploring Sn–Cu Mixed Perovskites: A Novel Approach to Lead-Free Photovoltaic Absorbers
Ferroelectric Properties of BaTiO3 Grains, Grains Inside Fibers and Microcrystalline Ceramics
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K-1: Aqueous Synthesis of Copper Nanoparticles for Creation of Lightweight Multifunctional Nanocomposites
K-3: Eco-Friendly Nanoceramic(YSZ)-Chitsosan Thin Films
K-4: In Situ Temperature-Dependent X-Ray Diffraction Study of Sn-Doped BaTiO₃ Piezoelectric Ceramic
K-5: Ni2+ Mediated Enhanced Microstructural, Optical, and Multiferroic Properties of 0.9KNbO3- 0.1BaNi0.5Nb0.5O3-ä Electro-Ceramics for Photovoltaic Applications
Large Scale Production of Elemental Nano Boron Powder
Lightweight Silver–Carbon Nanotube Fiber Conductors for High-Efficiency Power Transmission
Mechanical Characterization of Polymer Derived Ti3C2 MXene-SiC Ceramic
Metal and Metal Oxide Nanoparticles and Quantum Dots for Printed Electronics
Multilayer 3D Printed Carbonaceous Structures with Hyperbranched Pre-Ceramic Polymeric Coatings
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Organic-Inorganic MXene Hybrid for High-Temperature Applications
Self-Healing, Transparent, and Superhydrophobic Coating with Dual Self-Cleaning Functionality for Enhanced PV Panel Performance
Shapeshifting and Self-Regenerating Supported Metal Catalysts for Effective CO₂ Conversion
Structure-Property Relationships in Polar Perovskite Oxides
Structure–Property Relationships in Ti and Mo-Based MXenes for Advanced Biosensing
Systematic Control of Crystallization and Phase Transformation Behavior of Nanoscale NiTi Films Using Seed Layers
The Role of Surface Terminations in MXene Optical and Electronic Properties
Understanding the Structure of Nanomaterials Using Infrared Spectroscopy
Utilizing Ternary Halide Salts as a Mechanistic Probe To Explore the Synergy of Cl and Br Ions in the Polyol Synthesis of Silver Nanocubes
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