journal article·2017-07-26Open access

Probing the Morphology and Evolving Dynamics of 3D Printed Nanostructures Using High-Speed Atomic Force Microscopy

Chen Yang, Robert Winkler, Maja Dukic, Jie Zhao, Harald Plank, Georg. E. Fantner

Abstract

Focused electron beam induced deposition (FEBID) has been demonstrated as a promising solution for synthesizing truly three-dimensional (3D) nanostructures. However, the lack of morphological feedback during growth complicates further development toward higher spatial fabrication precision. Here, we show that by combining in situ high speed atomic force microscopy (HS-AFM) with FEBID, morphologies in multistep fabrication process can be accessed. More importantly, the proposed method enables simultaneous imaging and fabrication operation, which opens new possibilities to investigate evolving mechanical properties of the deposit. The experiments indicate an exponential increase law of the mechanical resistance, meaning that a mechanically stable state establishes around 4 min after deposition.
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Research context

OpenAlex topics: Force Microscopy Techniques and Applications · Advanced Electron Microscopy Techniques and Applications · Ion-surface interactions and analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Robotics and Systems, Harbin Institute of Technology, Yikuang Street 2, 150080 Harbin, China

Laboratory for Bio- and Nano-Instrumentation, Interfaculty Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Batiment BM 3109 Station 17, 1015 Lausanne, Switzerland

Graz Centre for Electron Microscopy, Steyrergasse 17, 8010 Graz, Austria

Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17, 8010 Graz, Austria

Funding

Horizon 2020 Framework Programme · China Scholarship Council · FP7 Ideas: European Research Council

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