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Meeting MS&T21: Materials Science & Technology
Symposium Nucleation of Solid-State Phase Transformations
Presentation Title P1-28: Structure Influenced Rapid Hydrogenation Using Metal-acid Contacts on Crystallographically Oriented VO2 Thin Films
Author(s) Komal Mulchandani, Ankit Soni, Krushna R Mavani
On-Site Speaker (Planned) Komal Mulchandani
Abstract Scope We report on the structure influenced hydrogenation via metal-acid contact method using novel detachable electrode-like design of metal on the edges of VO2 thin films. As temperature increases, VO2 shows the insulator to metal transition accompanied by a structural phase transition from monoclinic to rutile phase. The said method for hydrogenation is tested at different temperatures. A rapid diffusion rate of hydrogen is indicated by a drastically reduced room temperature resistance of the films hydrogenated at elevated temperatures. Moreover, when cooled down to room temperature, these films incline to partially retain a stable rutile phase. The process of hydrogenation becomes much faster and more effective when VO2 acquires the rutile phase i.e. at elevated temperature.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3-dimensional Observation of Bainite from Austenite Grain Boundary in 0.6wt% Carbon Steel.
Critical Nuclei at Hetero-phase Interfaces
Effect of Cooling Rate and Austenitic Grain Size on the Austenite Decomposition Kinetics in a Low- carbon Steel
Formation of the γ’’’-Ni2(Cr, Mo, W) Phase during Two-step Heat Treatment in Haynes® 244® Alloy
Identification of Critical Nucleation Events by the Gromov-Wasserstein Distance
Investigation of Nucleation Mechanisms Associated with the Formation of Coprecipitates in Ni-based Superalloys
Modeling Microstructure Evolution Using the Steepest-entropy-ascent Quantum Thermodynamic Framework
Observing the Solid-state Processes under Additive Manufacturing Conditions Inside the TEM
P1-28: Structure Influenced Rapid Hydrogenation Using Metal-acid Contacts on Crystallographically Oriented VO2 Thin Films

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