ProgramMaster Logo
Conference Tools for Materials Science & Technology 2020
Login
Register as a New User
Help
Submit An Abstract
Propose A Symposium
Presenter/Author Tools
Organizer/Editor Tools
About this Abstract
Meeting Materials Science & Technology 2020
Symposium Advanced Materials for Harsh Environments
Presentation Title Revealing Temperature Dependence of Electronic Structures and Optical Properties of High-temperature Gas Sensing Perovskites via First-principles Simulation
Author(s) Jongwoo Park, Ting Jia, Wissam A. Saidi, Benjamin Chorpening, Yuhua Duan
On-Site Speaker (Planned) Jongwoo Park
Abstract Scope Optical-based sensing platforms that typically employ metal oxides and perovskites as sensors are attractive for a variety of gas sensing applications due to their inherent advantages. Optical-based sensors, however, should retain the robust sensing performance in harsh environments such as high temperature in practical end applications. To this end, elucidating the temperature dependence of functional properties of sensors is important. Herein, the electronic structures and optical properties are calculated via first-principles simulations for pristine and oxygen-vacant ABO3-δ perovskites (A = La, Sr, B = Cr, Mn). These are a class of perovskites that may be suitable for a range of gas species. For relevance to the impact of temperature on functional properties, the temperature band gap renormalization is predicted via Allen-Heine-Cardona theory to calculate the contribution from electron-phonon coupling. Our results provide insights into temperature dependent functional properties of ABO3-δ perovskites as high-temperature gas sensing materials.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Air Stable Molten Salts and Corrosion Resistant Containment for High-Temperature Thermal Energy Storage and Heat Transfer for Concentrated Solar Power
AM Smart Components: Additively Manufactured Gas Turbine Components, with Embedded Sensors for Harsh Environment Applications
Evaluation of Doped-LaCrO3 Ceramics for High Temperature Sensor Applications
Evaluation of Electroceramic-based LC Resonator for Monitoring High Temperature Systems
Impact of Intermediate Ratio on the Corrosion Between Interface of Alumino-silicate Glasses and Crofer 22APU/YSZ
Introductory Comments: Advanced Materials for Harsh Environments
Multi-Material Optical Fibers for Cryogenic Temperature Sensing
Processing, Stability, And High Temperature Properties of Transition Metal Silicide-refractory Oxide Composites for Harsh Environment Sensing Applications
Revealing Temperature Dependence of Electronic Structures and Optical Properties of High-temperature Gas Sensing Perovskites via First-principles Simulation
Versatile Acoustic and Optical Sensing Platforms for Passive Structural System Monitoring

Questions about ProgramMaster? Contact programming@programmaster.org