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Electron Microscopy

Electron Microscopy

The TG Electron Microscopy bundles the research and rich infrastructure of the cluster, related to sample characterization with electrons.

Activities

  • Coordinate TEM characterization capabilities at LUH, PTB and TUBS
  • Develop scalable methods for structure determination of nanostructures in 1, 2, and 3 dimensions
  • Calibrate nanometric lengths
  • Perform TEM measurements of quantum dots

Competences/Services

  • Dual beam focussed ion beam (FIB)
  • Scanning Electron Microscope
  • Ion and electron detectors
  • Transmission electron microscope

Scientific Output

  • Publications

    Spende H, Margenfeld C, Waag A. AlGaN Microfins as Nonpolar UV Emitters Probed by Time-Resolved Cathodoluminescence. ACS PHOTONICS. 2022 Apr 13.

    doi.org/10.1021/acsphotonics.1c01794

    Jungclaus J, Spende H, Hille P, Schörmann J, Waag A, Eickhoff M et al. Time-resolved cathodoluminescence investigations of AlN:Ge/GaN nanowire structures. Nano Express. 2021 Jul 13;2(3). 034001.

    doi.org/10.1088/2632-959x/ac0598

    Rösch EL, Zhong J, Lak A, Liu Z, Etzkorn M, Schilling M et al. Point-of-need detection of pathogen-specific nucleic acid targets using magnetic particle spectroscopy. Biosensors and Bioelectronics. 2021 Nov 15;192. 113536.

    doi.org/10.1016/j.bios.2021.113536

    Rosławska A, Merino P, Leon CC, Grewal A, Etzkorn M, Kuhnke K et al. Gigahertz Frame Rate Imaging of Charge-Injection Dynamics in a Molecular Light Source. Nano letters. 2021 Jun 9;21(11):4577-4583.

    doi.org/10.1021/acs.nanolett.1c00328

    Rossow U, Sidikejiang S, Hagag S, Horenburg P, Henning P, de Vasconcellos Lourenco R et al. Pyramid Formation by Etching of InxGa1−xN /GaN Quantum Well Structures Grown on N-face GaN for Nanooptical Light Emitters. Physica Status Solidi (B) Basic Research. 2021 Okt 8;258(10). 2100085.

    doi.org/10.1002/pssb.202100085

    Senkpiel J, Klöckner JC, Etzkorn M, Dambach S, Kubala B, Belzig W et al. Dynamical Coulomb Blockade as a Local Probe for Quantum Transport. Physical review letters. 2020 Apr 17;124(15). 156803.

    doi.org/10.1103/PhysRevLett.124.156803

    Senkpiel J, Dambach S, Etzkorn M, Drost R, Padurariu C, Kubala B et al. Single channel Josephson effect in a high transmission atomic contact. Communications Physics. 2020 Dez 1;3(1). 131.

    doi.org/10.1038/s42005-020-00397-z

    Spende H, Margenfeld C, Meyer T, Clavero IM, Bremers H, Hangleiter A et al. Plasma profiling time-of-flight mass spectrometry for fast elemental analysis of semiconductor structures with depth resolution in the nanometer range. Semiconductor Science and Technology. 2020;35(3). 035006.

    doi.org/10.1088/1361-6641/ab6ac0

    Horenburg P, Bremers H, Imlau R, Rossow U, Hangleiter A. Microscopic analysis of interface composition dynamics in m-plane alinn. Japanese Journal of Applied Physics. 2019;58(SC). SC1008.

    doi.org/10.7567/1347-4065/ab079d

    Hötger D, Etzkorn M, Morchutt C, Wurster B, Dreiser J, Stepanow S et al. Stability of metallo-porphyrin networks under oxygen reduction and evolution conditions in alkaline media. Physical Chemistry Chemical Physics. 2019;21(5):2587-2594.

    doi.org/10.1039/c8cp07463a

    Senkpiel J, Rubio-Verdú C, Etzkorn M, Drost R, Schoop LM, Dambach S et al. Robustness of Yu-Shiba-Rusinov resonances in the presence of a complex superconducting order parameter. Physical Review B. 2019 Jul 1;100(1). 014502.

    doi.org/10.1103/PhysRevB.100.014502

Members and Competences

  • Involved Members and their Relevant Expertise
    Members Institution Relevant Expertise
    Markus Etzkorn, Leader TUBS Advancing TEM characterization
    Daesung Park PTB Advancing TEM characterization
    Fritz Schulze-Wischeler LUH Advancing TEM characterization
    Andreas Hangleiter TUBS Deterministic Quantum Dots
    Tobias Voss TUBS Molecular Quantum Emitters on GaN-based devices
    Andreas Waag TUBS Coherent Light Field Control; Nanophotonics for Atom and Ion Manipulation; Hybrid integration of GaN LEDs with conductive substrates
    Meinhard Schilling TUBS Electronic Quantum Metrology; Optical Voltage Standard - Fast Prototyping and HTS Superconductors
    Frank Ludwig TUBS Characterization of and investigation of dynamic magnetic properties of magnetic nanoparticles; Magnetic Particle Imaging (MPI)
    Harald Bosse PTB Nanometrology
    Marc Christopher Wurz LUH Development of compact vacuum pumps, pressure measurement devices and miniaturized Rb sources; Atom-Chip Based Gravimeters and Inertial Sensors
    Alexander Kassner LUH Atom-Chip Based Gravimeters and Inertial Sensors
    Rolf Haug LUH Two-dimensional materials, Electrical Quantum Effects, Magnetic Quantum Effects
    Liu Zhe TUBS Electron Microscopy investigations of plasmonic structures
    Christoph Künzler LUH Micro-Mechanic structures
    Julian Petring LUH Scanning electron microscopy
    Jana Hartmann TUBS Structuring of semiconductors
    Stefan Wolter TUBS cathodoluminescence