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|a 10.1002/adma.202309865
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|a eng
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|a Martin, Andrew
|e verfasserin
|4 aut
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|a Photo-Activated Growth and Metastable Phase Transition in Metallic Solid Solutions
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 22.02.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Laser processing in metals is versatile yet limited by its reliance on phase transformation through heating rather than electronic excitation due to their low absorptivity, attributing from highly ordered structures. Metastable states (i.e., surfaces, glasses, undercooled liquids), however, present a unique platform, both energetically and structurally to enable energy landscape tuning through selective stimuli. Herein, this ansatz is demonstrated by exploiting thin passivating oxides to stabilize an undercooled state, followed by photo-perturbation of the near surface order to induce convective Marangoni flows, edge-coalescence and phase transition into a larger metastable solid bearing asymmetric composition between the near surface and core of the formed structure. The self-terminating nature of the process creates a perfectly contained system which can maintain a high relaxation energy barrier hence deep metastable states for extended periods of time
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|a Journal Article
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|a Marangoni flow
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|a information storage
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|a laser processing
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4 |
|a metastability
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| 650 |
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|a photon-material interaction
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| 650 |
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|a solid solution
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| 700 |
1 |
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|a Pauls, Alana M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chang, Boyce
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Boyce, Eva
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thuo, Martin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 8 vom: 02. Feb., Seite e2309865
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:8
|g day:02
|g month:02
|g pages:e2309865
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|u http://dx.doi.org/10.1002/adma.202309865
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