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Meeting MS&T23: Materials Science & Technology
Symposium Advances in Dielectric Materials and Electronic Devices
Presentation Title D-6: Investigation of Charge Transport Mechanism in Ba Doped Sr2CrMoO6 Double Perovskite Mixed Ionic Electronic Conductor
Author(s) Vivek Kumar, Sudha Saini, Tanmoy Maiti
On-Site Speaker (Planned) Tanmoy Maiti
Abstract Scope The charge transport and relaxation mechanism in Ba_xSr_(2-x)CrMoO_6 (0<x<0.3) double perovskite has been investigated employing modulus, dielectric and impedance spectroscopy in the frequency range of 0.3 Hz to 5 MHz and in the temperature range of 473-773 K. The impedance fitting response to the microstructure revealed grain and grain boundary capacitance and conductivity, which is found to be thermally triggered and frequency dependent. The complex modulus analysis indicated that both short- and long-range charge transport is responsible for conduction with the non-Debye type response. The dielectric analysis indicated existence of both universalities, near constant loss (NCL) and UDR. Furthermore, from Almond-West (AW) power law, the hopping frequency and migration energy have been calculated. The relaxation time and DC conductivity are found to obey Barton Nakajima and Namikawa's relation. Besides, the Kramers Kronig relation and conductivity scaling are discussed to provide insight into conduction processes in this mixed ionic electronic conductor.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing of Flex Sensors: Characterization and Evaluation
Anderson’s Localization in Perovskites: Excellent Tool to Decouple Electron and Heat Transport in Oxide Thermoelectrics
CMOS-compatible Oxide Memristors Based on SiO2 for Adaptive Neuromorphic Computing
D-1: Designing Rare Earth Free High Entropy Oxide with Tungsten Bronze Structure for Thermoelectric Application
D-2: Effect of Solvent Selection for In-film Reactions Yielding Zinc Oxide Nanostructures
D-3: Enhanced Thermoelectric Performance of Nanocomposite with New Generation 2D Material MXene
D-5: Influence of the Synthesis Conditions on the Structural and Microstructural Properties of PbTiO3 Ferroelectric Thin Films
D-6: Investigation of Charge Transport Mechanism in Ba Doped Sr2CrMoO6 Double Perovskite Mixed Ionic Electronic Conductor
D-7: Investigation of the Dielectric Response in AgNbO3-based Ferroelectric Ceramics
D-8: Transition Metal Chalcogenide Perovskites for Energy Applications
Design for in-situ Computer Vision-based Automation of Drop-on-Demand Inkjet Drop Formation Optimization
Domain Tailoring in Magnetic ZnFe2O4 Ferrite by Reactive Flash Sintering Technique
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Enhancement of Ferroelectric and Electrocaloric Properties in Relaxor Ceramics via Processing-related Microstructural Features
Fabrication of Fexible Nanocomposites Based on PVC, Electrical and Magnetic Nano-fillers for the Shielding Against Unwanted Electromagnetic Waves
Ferroelectricity in 2D Sn-based Monochalcogenides and Their Heterostructures
Hybrid Solder Joints: Morphology and Shear Strength of Sn-3.5Ag Solder Joints Prepared Using Flux Doped with Ceramic Nanoparticles
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Investigation of the Effects of the Most Common Impurities of Bayer Alumina on the Dielectric Properties
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Performance of Distorted Perovskites for Dielectric Applications
Piezopermittivity for Capacitance-based Stress/Strain Sensing
PLD Growth of Highly Crystalline STO and PZT on Graphene Oxide-Buffered Silicon Surface
Polar Nanostructure in Composition Modulated Pb(Zr,Ti)O3 Superlattice
Processing and Properties of Diamond Crystals for Quantum Applications
VQE Simulation of Van Der Walls Materials

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