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My research focuses on the atomic-scale characterization of semiconductor nanostructures, including analysis of the atomic surface structure, resulting local electronic properties, the chemical and structural composition of interfaces, and in-situ studies of such nanostructure properties during device operation.

With scanning probe techniques like scanning tunneling microscopy and spectroscopy (STM/S) or conductive atomic force microscopy (AFM), the atomic structure and resulting electronic properties of nanowire surfaces are investigated, including local effects at nanowire heterostructures consisting of different materials or crystal structure. From AFM and STM/S studies on individually contacted nanowires, we explore the interplay between local surface structure and electrical device performance for nanowire devices like tunnel diodes or solar cells.

In addition, I am using a complementary toolbox of X-ray based microscopy and spectroscopy techniques at the MAX IV laboratory and other synchrotron facilities, for investigating the structure and chemical composition of surfaces and interfaces, e.g. doping profiles of individual nanowires or shallow interfaces of nanowire transistors with dielectric thin films. These techniques include X-ray Photoemission Spectroscopy (XPS) at ultrahigh vacuum or near-ambient conditions, angular resolved XPS (ARPES), hard X-ray Photoemission Spectroscopy (HAXPES), and Photoemission electron microscopy (PEEM). Also here, we develop approaches for operando studies of semiconductor devices.

I am strongly involved in the NanoLund Center of Nanoscience.


I am responsible for the course Scanning Probe Microsocpy (FYST42/FAFN30/NAFY004), together with Jan Knudsen, for M.Sc. and Ph.D. students of both Science and Engineering faculties.

I am also teaching in the course Analysis at the nanoscale (KASF15/FYSD21).

Furthermore, I am supervising Bachelor and Master theses in the area of surface and interface characterization of semiconductor nanostructures.

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 7 - Affordable and Clean Energy
  • SDG 9 - Industry, Innovation, and Infrastructure
  • SDG 11 - Sustainable Cities and Communities

UKÄ subject classification

  • Physical Sciences
  • Condensed Matter Physics
  • Nano Technology
  • Other Physics Topics

Free keywords

  • Applied material science
  • Imaging
  • X-ray Spectroscopy
  • Scanning Probe Microscopy


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