Publications

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Journal Article (3)

  1. 1.
    Journal Article
    Duff, A.; Lymperakis, L.; Neugebauer, J.: Ab initio-based bulk and surface thermodynamics of InGaN alloys: Investigating the effects of strain and surface polarity. Physica Status Solidi B 252 (5), pp. 855 - 865 (2015)
  2. 2.
    Journal Article
    Duff, A.; Lymperakis, L.; Neugebauer, J.: Understanding and controlling indium incorporation and surface segregation on InxGa1-xN surfaces: An ab initio approach. Physical Review B 89 (8), 085307 (2014)
  3. 3.
    Journal Article
    Schulz, T.; Duff, A.; Remmele, M.; Korytov, T.; Markut, M.; Albrecht, M.; Lymperakis, L.; Neugebauer, J.; Chèze, C.; Skierbiszewski, C.: Separating strain from composition in unit cell parameter maps obtained from aberration corrected high resolution transmission electron microscopy imaging. Journal of Applied Physics 115 (3), 033113 (2014)

Conference Paper (1)

  1. 4.
    Conference Paper
    Korbmacher, D.; Glensk, A.; Grabowski, B.; Hickel, T.; Duff, A.; Finnis, M. W.; Neugebauer, J.: Ab initio description of the Ti BCC to ω transition at finite temperatures. In: PTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015, pp. 755 - 756 (Eds. Chen, L.-Q.; Militzer, M.; Botton, G.; Howe, J.; Sinclair, C. W. et al.). International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015, PTM 2015, Whistler, BC, Canada, June 28, 2015 - July 03, 2015. International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015, Whistler, BC, Canada (2015)

Talk (8)

  1. 5.
    Talk
    Korbmacher, D.; Glensk, A.; Grabowski, B.; Hickel, T.; Neugebauer, J.; Duff, A.; Finnis, M. W.: Ab initio description of the Ti bcc to omega transition at finite temperatures. DPG-Frühjahrstagung 2015, Berlin, Germany (2015)
  2. 6.
    Talk
    Korbmacher, D.; Glensk, A.; Grabowski, B.; Hickel, T.; Neugebauer, J.; Duff, A.; Finnis, M. W.: Ab initio description of the Ti bcc to omega transition at finite temperatures. PTM 2015, International Conference on Solid-Solid Phase Transformations in Inorganic Materials, Whistler, BC, Canada (2015)
  3. 7.
    Talk
    Schulz, T.; Remmele, T.; Markurt, T.; Korytov, M.; Albrecht, M.; Duff, A.; Lymperakis, L.; Neugebauer, J.: Alloy fluctuations in III-Nitrides revisited by aberration corrected transmission electron microscopy. International Workshop on Nitride Semiconductors 2012, Sapporo, Japan (2012)
  4. 8.
    Talk
    Albrecht, M.; Markurt, T.; Schulz, T.; Lymperakis, L.; Duff, A.; Neugebauer, J.; Drechsel, P.; Stauss, P.: Dislocation Mechanisms and Strain Relaxation in the Growth of GaN on Silicon Substrates for Solid State Lighting. International Conference on Extended Defects in Semiconductors, Thessaloniki, Greek (2012)
  5. 9.
    Talk
    Duff, A.: Ab-initio modelling of InGaN: Research and impact on research career. SINOPLE mid-term meeting, Harnack-Haus, Berlin, Germany (2011)
  6. 10.
    Talk
    Duff, A.; Lymperakis, L.; Neugebauer, J.: Ab-initio Study of Indium Adsorption in c-plane InGaN. SINOPLE meeting, Düsseldorf, Germany (2011)
  7. 11.
    Talk
    Duff, A.; Lymperakis, L.; Neugebauer, J.: Ab-initio based comparitive study of In incorporation and surface segregation on III- and N-face {0001} InGaN surfaces. 9th International Conference of Nitride Semi-Conductors, Glasgow, UK (2011)
  8. 12.
    Talk
    Duff, A.; Lymperakis, L.; Neugebauer, J.: Ab-initio based growth simulations of Ga- and N- polar InGaN surfaces: A comparitive study. CM-Workshop, Akademie Biggesee, Attendorn, Germany (2011)

Poster (5)

  1. 13.
    Poster
    Grabowski, B.; Korbmacher, D.; Glensk, A.; Duff, A.; Hickel, T.; Neugebauer, J.: Ab initio description of dynamically unstable systems from zero Kelvin up to the melting point. CALPHAD 2014, Changsha, China (2014)
  2. 14.
    Poster
    Duff, A.; Lymperakis, L.; Neugebauer, J.: Limits of Indium Incorporation on In1-xGaxN {0001} III- and N-Polar Surfaces: An Ab Initio Approach. 10th International Conference on Nitride Semiconductors, Washigton DC, USA (2013)
  3. 15.
    Poster
    Markurt, T.; Rotunno, E.; Grillo, V.; Duff, A.; Lymperakis, L.; Schulz, T.; Remmele, T.; Albrecht, M.: Composition analysis of InGaN quantum wells by STEM-HAADF. 15th European Microscopy Congress, Manchester Central, UK (2012)
  4. 16.
    Poster
    Remmele, T.; Schulz, T.; Markurt, T.; Korytov, M.; Albrecht, M.; Duff, A.; Lymperakis, L.; Neugebauer, J.: Quantitative measurement of composition fluctuations in InGaN quantum wells. 15th European Microscopy Congress, Manchester Central, UK (2012)
  5. 17.
    Poster
    Duff, A.; Lymperakis, L.; Neugebauer, J.: Ab-initio based comparitive study of In incorporation and surface segregation on III- and N-face {0001} InGaN surfaces. SINOPLE mid-term meeting, Berlin, Germany (2011)
 
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