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Total result(s) found: 6
  • Defect-band mediated ferromagnetism in Gd-doped ZnO thin films", S. Venkatesh, J. B. Franklin, M. P. Ryan, J. S. Lee, H. Ohldag, M. A. McLachlan, N. M. Alford, I. S. Roqan, J Appl Phys. 117 (1), 013913 (2015).
Keywords:
Thin films
  • ''Defect induced d0 ferromagnetism in a ZnO grain boundary'',Sasikala Devi Assa Aravindh, Udo Schwingenschloegl, and Iman S Roqan, Journal of Chemical Physics, Volume 143, Number 22, 2015. Doi: 10.1063/1.4936659 ​​
Keywords:
Zinc, Vacancies, Ferromagnetism, Zinc oxide films
  • ''Defect-impurity complex induced long-range ferromagnetism in GaN nanowires'', Assa Aravindh Sasikala Devi and  Iman S. Roqan, IOP Materials Research Express, Volume 2, Number 12, Oct. 2015.
Keywords:
GaN nanowire, density functional theory, magnetism, electronic structure
  • ''Homogeneous vertical ZnO nanorod arrays with high conductivity on an in situ Gd nanolayer'', Tahani H. Flemban, Venkatesh Singaravelu, Assa Aravindh Sasikala Devi and Iman S. Roqan​, RSC Advances, 5, 94670, 2015. DOI: 10.1039/c5ra19798h​​
Keywords:
ZnO, Nanorods
  • ​I. S. Roqan, M. M. Muhammed ''(-201) [beta]- Gallium oxide substrate for high quality GaN materials'', 2015, Proc. SPIE 9364, Oxide-based Materials and Devices VI, 93641K ; DOI: 10.1117/12.2076475
Keywords:
GaN, Ga2O3, LED, high efficiency, optical properties
  • Iman S. Roqan, S Venkatesh , Z Zhang , S Hussain , I Bantounas , J , T Flemban , B Zou , J-S Lee , U Schwingenschlogl , P Krastev Petrov , M P Ryan , N M. Alford, Obtaining strong ferromagnetism in diluted Gd-doped ZnO thin films through controlled Gd-defect complexes, Journal of Applied Physics, Volume 117, Issue 7, 2015. Doi: 10.1063/1.4908288
Keywords:
Zinc oxide films, Doping, Magnetic films, Zinc