Welcome to my website! 👋
My name is Lukas Grünewald and I am a researcher specializing in electron microscopy, where I study biological tissue and materials at the micrometer to nanometer scale. I am affiliated with the Neuroanatomy department at the University of Freiburg.
Research
I specialize in analytical electron microscopy (SEM/TEM/FIB) for materials science research and methodology development. Currently, I am exploring the field of neuroscience and volume electron microscopy (vEM) for 3D imaging of brain tissue. I aim to maximize microscope performance and data quality and combine it with state-of-the-art data processing to gain new insights into the structre-function properties in biology and materials science.
Within my research, I am enthusiastic about open science and the sharing of workflows, code, and raw data to help other researchers and for scientific reproducibility.
See my work at Google Scholar.
News
January 2025 - I got a new position as a postdoctoral researcher at the Neuroanatomy department at the University of Freiburg. Here I will dive into volume EM imaging and biological research questions concerned with brain tissue. I am looking forward to this exciting new research field and the challenges ahead!
- December 2024 - We contributed in-depth EBSD and TEM analyses for our paper on 3D-printed ZnO crystals with rotating crystal lattices. The video shows the local background-corrected EBSD patterns and Hough-indexed bands using kikuchipy. The orientation gradually changes and follow the 90°-change in printing direction. I presented this work as a poster at the Microscopy & Microanalysis Conference in Cleveland in August 2024.
November 2024 - A new blog post about diffraction-pattern indexing with ReciPro and subsequent polishing of the indexed result with inkscape - all in nice vector graphics.
July 2024 - Our new article in ACS Nanoletters investigates the microstructure of epitaxial GaAs/AlGaAs quantum dots by combining AFM and TEM analyses. This work was part of my postdoc stay at EMAT (Antwerp).
May 2024 - Working with EBSD and Bruker systems? Have a look at my blog post about data conversion from bcf to hdf5 for data processing with open-source tools such as kikuchipy.
February 2024 - Check out the articles by phys.org and Nanowerk for our recent work about the application of plasma in an SEM published in Advanced Materials Technologies. This work was part of my postdoc stay at EMAT (Antwerp).
- December 2023 - Our front cover was chosen for the Materials Advances journal for our article Analytical electron microscopy study of the composition of BaHfO\(_3\) nanoparticles in REBCO films: the influence of rare-earth ionic radii and REBCO composition.
I dove into Blender to generate the cover art.
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