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17 March 2023 Combining gas-phase, structural, and optical diagnostics for in situ feedback and control during pulsed laser deposition
Sumner Harris, Christopher Rouleau, Alexander Puretzky, Seok Joon Yun, Liangbo Liang, Ondrej Dyck, Tom Berlijn, Gyula Eres, Gerd Duscher, Austin Houston, Yu-Chuan Lin, Mina Yoon, Kai Xiao, David Geohegan
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Proceedings Volume PC12410, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2023; PC1241006 (2023) https://doi.org/10.1117/12.2650571
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Automated platforms for synthesis are a necessity to increase the rate of discovery, synthesis, and optimization of materials to match the accelerating pace of theoretical predictions. Here, we introduce a novel pulsed laser deposition (PLD) platform that combines in situ Raman, photoluminescence, and white light reflectance spectroscopies as a material probe with intensified CCD (ICCD) imaging/spectroscopy and ion probe gas-phase PLD plume diagnostics. These diagnostics together with full automation and high-throughput synthesis schemes enable rapid synthesis and characterization with a Python-based dataflow for seamless integration with machine learning algorithms. Examples of in situ spectroscopy of 2D materials during growth and modification will be discussed.
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Sumner Harris, Christopher Rouleau, Alexander Puretzky, Seok Joon Yun, Liangbo Liang, Ondrej Dyck, Tom Berlijn, Gyula Eres, Gerd Duscher, Austin Houston, Yu-Chuan Lin, Mina Yoon, Kai Xiao, and David Geohegan "Combining gas-phase, structural, and optical diagnostics for in situ feedback and control during pulsed laser deposition", Proc. SPIE PC12410, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2023, PC1241006 (17 March 2023); https://doi.org/10.1117/12.2650571
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KEYWORDS
Feedback control
Pulsed laser deposition
Beam controllers
Optical diagnostics
Diagnostics
Ions
Machine learning
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