Publications

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Total result(s) found: 7
  • ​"Thin Film growth and characterization of Ti doped ZnO by RF/DC magnetron sputtering", M. B. Haider, M. F. Al-Kuhaili, S. M. A. Durrani, S. Venkatesh, I. S. Roqan, Proceedings MRS Fall, Symposium O, 1731 (2014).
Keywords:
Ti doped ZnO
  • S. Assa Aravindh, Udo Schwingenschloegl, and Iman S. Roqan, Ferromagnetism in Gd doped ZnO nanowires: A first principles study, Journal of Applied Physics 116, 233906 (2014); DOI: 10.1063/1.4904860
Keywords:
Gd doped ZnO
  • I. Bantounas, V. Singaravelu, I. S. Roqan and Udo Schwingenschlogl, Structural and magnetic properties of Gd-doped ZnO, J. Mater.Chem.C2,10331 (2014). DOI: 10.1039/c4tc01237b
Keywords:
Gd doped ZnO, Density Functional Theory
  • Zhenkui Zhang, Udo Schwingenschlögl, and Iman S. Roqan." Vacancy complexes induce long-range ferromagnetism in GaN". Journal of Applied Physics, 2014 (Vol.116, Issue 18).
Keywords:
Vacancies, III-V semiconductors, Ferromagnetism, Density functional , Antiferromagnetism
  • Zhenkui Zhang, Udo Schwingenschlögl and Iman S. Roqan. Possible mechanism for d0 ferromagnetism mediated by intrinsic defects. RSC Advances, 2014, 4, 50759. DOI: 10.1039/c4ra06237j.
Keywords:
Zn vacancies, ZnS nanostructures, intrinsic defects, density functional theory
  • Ajia, Idris A. and Edwards, P. R. and Liu, Z. and Yan, J. C. and Martin, R. W. and Roqan, I. S. (2014) Excitonic localization in AlN-rich AlxGa1−xN/AlyGa1−yN multi-quantum-well grain boundaries. Applied Physics Letters, 105 (12). ISSN 0003-6951
Keywords:
Multiple quantum wells, Grain boundaries, Photoluminescence, Excitons
  • M. M. Muhammed, M. Peres, Y. Yamashita, Y. Morishima, S. Sato, N. Franco, K. Lorenz, A. Kuramata and I. S. Roqan, High optical and structural quality of GaN epilayers grown on ( 201) beta-Ga2O3, Applied Physics Letters 105, 042112, 2014.
Keywords:
III-V semiconductors, Epitaxy, X-ray diffraction, Photoluminescence