Helgesen, Geir

Dr.Scient., University of Oslo, 1991. Member of staff from1993.
Associate professor II, University of Oslo.

Field of Expertise:
-Nanocarbon: structure and properties of carbon nanotubes, nanocones and nanocarbon composite materials
-Magnetism and magnetic colloids: structure and properties of magentic materials , interactions in and use of magnetic fluids such as ferrofluids, magnetic aggregation
-Complex liquids: structure of polymers solution and liquid crystals, ferrofluids etc
-Optical and electron microscopy, image analyzes: studies of the materials and processes above by use of optical microscopy with image analysis and scanning electron microscopy
-X-ray and neutron scattering: small angle neutron scattering of polymers and ferrofluids, magnetic neutron and x-ray diffraction sychrotron x-ray diffraction of carbon and silicate materials
-Scanning probe microscopy: AFM and STM of nanocarbon materials
-Optical tweezers: manipulating colloidal particles and measurement of interactions

Research and Academic Activities:

• Board member of Condensed Division of the Norwegian Physical Society 2003-2006
• Editor of Physica Scripta 1995-2000
• Member of the Norwegian and the European Physical Societies
• Peer-review work for various physical/material science journals
• Co-organizer of the Geilo ASI schools and other conferences