• R. A. R. Leute, J. Wang, T. Meisch, J. Biskupek, U. Kaiser and F. Scholz;
  Blue to true green LEDs with semipolar quantum wells based on GaN nanostripes
  Phys. Status Solidi C 12, 376-380 (2015) (link)
  
  
• F. Römer and B. Witzigmann;
  Acceptor activation model for III-nitride LEDs
  J. Comput. Electronics 14, 456-463 (2015) (link)
  
  
• F. Römer and B. Witzigmann;
  Acceptor impurity activation in III-nitride light emitting diodes
  Appl. Phys. Letter, 106, 021107  (2015) (link)
  
  
• M. Rychetsky, I. Koslow, J. Rass, T. Wernicke, K. Bellmann, V. Hoffmann, M. Weyers, H. Wild, J. Zweck, B. Witzigmann and M. Kneissl;
  Determination of polarization elds in group II-nitride heterostructures by capacitance-volt-measurements
  J. Appl. Phys. (2015) to be published