All Stories

  1. Revealing the Innate Subnanometer Porous Structure of Carbon Nanomembranes with Molecular Dynamics Simulations and Highly-Charged Ion Spectroscopy

    Article • The Journal of Physical Chemistry C, March 2026, American Chemical Society (ACS)

    Anna Niggas

  2. Ion stopping force from Bohmian mechanics

    Article • Physical Review Research, February 2026, American Physical Society (APS)

    Anna Niggas

  3. Chirality Switching in 1 T -TaS 2 by Highly Charged Ion Irradiation

    Article • Nano Letters, February 2026, American Chemical Society (ACS)

    Anna Niggas

  4. Identifying Electronic Doorway States in Secondary Electron Emission from Layered Materials

    Article • Physical Review Letters, October 2025, American Physical Society (APS)

    Anna Niggas

  5. Lifetime of a freely decaying hollow atom

    Article • Physical Review Research, February 2025, American Physical Society (APS)

    Anna Niggas

  6. Trajectory-dependent highly charged ion-induced electron yield from single-layer graphene

    Article • Physica Scripta, December 2024, Institute of Physics Publishing

    Anna Niggas

  7. Generation of ultrashort ion pulses from ultrafast electron-stimulated desorption

    Article • Physical Review Research, September 2024, American Physical Society (APS)

    Anna Niggas

  8. A compact electron beam ion source for highly charged ion experiments at large-scale user facilities

    Article • Journal of Physics B Atomic Molecular and Optical Physics, July 2024, Institute of Physics Publishing

    Anna Niggas

  9. Charge exchange of slow highly charged ions from an electron beam ion trap with surfaces and 2D materials

    Article • Journal of Physics B Atomic Molecular and Optical Physics, March 2024, Institute of Physics Publishing

    Anna Niggas

  10. Charge-exchange-dependent energy loss of H and He in freestanding monolayers of graphene and MoS2

    Article • December 2023, American Physical Society (APS)

    Anna Niggas

  11. Charge‐State‐Enhanced Ion Sputtering of Metallic Gold Nanoislands

    Article • Small, March 2023, Wiley

    Anna Niggas

  12. Model for Nanopore Formation in Two-Dimensional Materials by Impact of Highly Charged Ions

    Article • Nano Letters, November 2022, American Chemical Society (ACS)

    Anna Niggas

  13. Ion-Induced Surface Charge Dynamics in Freestanding Monolayers of Graphene and MoS2

    Article • Physical Review Letters, August 2022, American Physical Society (APS)

    Anna Niggas

  14. Angle-dependent charge exchange and energy loss of slow highly charged ions in freestanding graphene

    Article • October 2021, American Physical Society (APS)

    Anna Niggas

  15. Peeling graphite layer by layer reveals the charge exchange dynamics of ions inside a solid

    Article • Communications Physics, August 2021, Springer Science + Business Media

    Anna Niggas

  16. Fluorination of graphene leads to susceptibility for nanopore formation by highly charged ion impact

    Article • Physical Review Materials, July 2021, American Physical Society (APS)

    Anna Niggas

  17. Assessing electron emission induced by pulsed ion beams: A time-of-flight approach

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, September 2020, Elsevier

    Anna Niggas

  18. Atomic-Scale Carving of Nanopores into a van der Waals Heterostructure with Slow Highly Charged Ions

    Article • ACS Nano, July 2020, American Chemical Society (ACS)

    Anna Niggas

  19. The role of contaminations in ion beam spectroscopy with freestanding 2D materials: A study on thermal treatment

    Article • The Journal of Chemical Physics, July 2020, American Institute of Physics

    Anna Niggas

  20. Vanishing influence of the band gap on the charge exchange of slow highly charged ions in freestanding single-layer MoS2

    Article • July 2020, American Physical Society (APS)

    Anna Niggas

  21. Dynamic Potential Sputtering of Lunar Analog Material by Solar Wind Ions

    Article • The Astrophysical Journal, March 2020, American Astronomical Society

    Anna Niggas

  22. Charge-Exchange-Driven Low-Energy Electron Splash Induced by Heavy Ion Impact on Condensed Matter

    Article • The Journal of Physical Chemistry Letters, August 2019, American Chemical Society (ACS)

    Anna Niggas

  23. A versatile ion beam spectrometer for studies of ion interaction with 2D materials

    Article • Review of Scientific Instruments, August 2018, American Institute of Physics

    Anna Niggas