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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium Advances and Discoveries in Non-Equilibrium Driven Nanomaterials and Thin Films
Presentation Title Macro-Equimolar High Entropy Spinel Thin Films by Pulsed Laser Deposition
Author(s) Anu Mohan, Adityanarayan Pandey, Ashutosh Suresh Gandhi
On-Site Speaker (Planned) Ashutosh Suresh Gandhi
Abstract Scope Macro-equimolar spinels exhibit an array of interesting optical and dielectric properties. We have successfully deposited 8-component high entropy spinel thin films by single-target pulsed laser deposition (PLD). The effects of substrate temperature on microstructure of (CoCrCuFeMgMnTiZn)<sub>3</sub>O<sub>4-x</sub> thin films were studied by XRD and TEM. EDS mapping confirmed the homogenous distribution of the cations. The phase and orientation maps obtained using PED verified the spinel phase and the absence of secondary phases. The columnar grain growth was influenced by the deposition conditions. The cation distribution and defect structure were elucidated using XPS. Nanoindentation hardness and Young’s modulus were comparable to those of bulk material, but their dielectric behavior differs from that of sintered bulk forms. This study illustrates the opportunities in processing and applications of high entropy spinel oxide thin films.
Proceedings Inclusion? Planned:
Keywords Ceramics, Thin Films and Interfaces, High-Entropy Alloys

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Aggregation Dynamics in Nanoceria Under Polymerization of Ce Ions
B-41: Next-Generation Interconnects: Ruthenium and Ruthenium Alloys for Improved EM Resistance and Low Resistivity
B-8: Formation of Novel Q-Si Phases by Swift Heavy Ion Irradiation
Characterization of High Quality Epitaxially Grown Diamond Thin Films
Controlled Kirkendall Voiding in Al-Au and Cu-Au Thin Films by Adjusting Sputtering Parameters
Creation of Multi-Principal Element Alloy Nanoparticles Via Nanosecond Laser-Induced Dewetting
Decoupling Irradiation-Induced Heterogeneities in Two-Dimensional Semiconductors Through Atomic Scale Mapping of Optical Modes and Infrared Excitations
Design of Oxide Thin Films Towards Memristive Switching and Neuromorphic Computing
Discovery of Novel Q-Phases of Materials and Impact on Technology
Emerging 2D Hybrid Organic-Inorganic Thin Films for Next-Generation Optoelectronic Devices
Enthalpy-Driven Self-Healing in Thin Metallic Films on Flexible Substrates
Exploring Equilibrium and Non-Equilibrium Bi-Metallic Materials with Unique Magneto-Optical Properties
Exploring Multi Element Nanoparticles for Sustainable Catalysts
Exsolution-Self-Assembly in Entropy Designed Oxide Thin Films
From Oxide Epitaxy to Membranes: Opportunities and Challenges
Functional Trimethylsilane Plasma Nanocoatings for Surface Modification of Cardiovascular Stents and Silver Nanowires
Graphene Infused Copper with Ultrahigh Electrical Conductivity Prepared by the Flash Method
Harnessing Compositional Complexity with Non-Equilibrium Synthesis
Hybrid Organic-Inorganic Thin Film Deposition by Resonant Infrared, Matrix-Assisted Pulsed Laser Evaporation
Hydrogen Induced Resistive Switching in Perovskite Nickelate Thin Films
Hyperdoping: Doping TiO2 Beyond Thermodynamic Limits Using Flash Sintering
Integration of BaTiO3 on Si: from Ferroelectricity to Giant Electrostriction
Interfacial Coupling at Bismuthate-Titanate Heterointerfaces
Light Assisted Resistive Switching Behaviour of PLD Grown VO2/TiO2 Thin Films
Macro-Equimolar High Entropy Spinel Thin Films by Pulsed Laser Deposition
Mechanisms of Defect Formation in Physical Vapor Deposited Phase-Separating Alloy Films: A Phase Field Study
Perspective on Diamond for Quantum Applications (Invited)
Self-Assembly of Plasmonic Networks Via Far from Equilibrium Chemical Dealloying
Structural, Electronic, and Optical Properties of 2D Metal Chalcogenophosphates for Electronic and Optoelectronic Devices
Tensile-Strained Self-Assembly for Novel Quantum and Photonic Nanomaterials
Thin Film Growth on Mica: Challenges, Opportunities, and Applications for Micatronics

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