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Synthèse et propriétés de monocristaux, de poudres, films minces ou hétérostructures

Etudes à l'interface avec la matière biologique

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Publication du SALD TEAM

Publié le 30 octobre 2020
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Communiqué du 29 octobre 2020 au 26 novembre 2020

Le papier "Gas-Phase 3D Printing of Functional Materials" a été publié dans Advanced Materials Technologies

Ici vous trouverez le papier du SALD TEAM
"Spatial atomic layer deposition (SALD) is a recent approach 100 times faster than conventional atomic layer deposition (ALD), even at atmospheric pressure. Previous works exploited these assets focussing on high‐rate, large‐area deposition for scaling‐up into mass production. Conversely, this work shows that SALD indeed represents an ideal platform for area‐selective deposition of functional materials by proper design and miniaturization of close‐proximity SALD heads. In particular, the potential offered by 3D printing is used to fabricate low‐cost customized close‐proximity heads, which can be easily designed and modified to obtain different deposition areas, free‐form patterns, and even complex multimaterial structures. Finally, by designing a miniaturized head with circular concentric gas channels, 3D printing of functional materials can be performed with nanometric resolution in Z. This constitutes a new gas‐phase 3D printing approach. Because the process is based on ALD reactions, conformal and continuous thin films of functional materials can be printed at low temperatures and with high deposition rate in the open air. This approach represents a new versatile way of printing functional materials and devices with spatial and topological control, thus extending the potential of SALD and ALD in general, and opening a new avenue in the field of area‐selective deposition of functional materials."


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mise à jour le 30 octobre 2020

  • Tutelle CNRS
  • Tutelle Grenoble INP
Université Grenoble Alpes