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Department of Physics

Sepehr Vasheghani Farahani

Research Fellow

Experimental and Computational Physics

Research interests

Transparent conducting oxides and III-V materials; optical, electronic, and transport characterisation of bulk, surface, and interface of thin films; band gap and defect engineering in semiconductors; recrystallisation and functionalisation of thin films.

Subjects taught

Physics Foundations, Classical Mechanics, Relativity, Electricity and Magnetism, Waves and Optics, Thermodynamics, Quantum Phenomena, Introduction to Astronomy, and Particle Physics.

Publications
D. S. Park, H. Wang, S. K. Vasheghani Farahani, M. Walker, A. Bhatnagar, D. Seghier, C. J. Choi, J. H. Kang, and

C. F. McConville
Surface passivation of semiconducting oxides by self-assembled nanoparticles
Sci. Rep. 6, 18449 (2016)

D. S. Park, S. K. Vasheghani Farahani, M. Walker, J. J. Mudd, H. Wang, A. Krupski, E. B. Thorsteinsson, D. Seghier, C. J. Choi, C. J. Youn, and C. F. McConville
Recrystallization of highly-mismatched BexZn1-xO alloys: formation of a degenerate interface

ACS Appl. Mater. Interfaces 6, 18758 (2014)

S. K. Vasheghani Farahani, T. D. Veal, J. J. Mudd, D. O. Scanlon, G. W. Watson, O. Bierwagen, M. E. White,
J. S. Speck, and C. F. McConville
Valence-band density of states and surface electron accumulation in epitaxial SnO2 films
Phys. Rev. B 90, 155413 (2014)

S. K. Vasheghani Farahani, C. F. McConville, T. D. Veal, and A. Schleife

Impact of degenerate n-doping on the optical absorption edge in transparent conducting cadmium oxide
Proc. SPIE (invited paper) 8626, Oxide-based Materials and Devices IV, 862604 (2013)

S. K. Vasheghani Farahani, V. Muñoz-Sanjosé, J. Zúñiga-Pérez, C. F. McConville, and T. D. Veal
Temperature dependence of the direct bandgap and transport properties of CdO

Appl. Phys. Lett. 102, 022102 (2013)

S. K. Vasheghani Farahani, T. D. Veal, A. M. Sanchez, O. Bierwagen, M. E. White, S. Gorfman, P. A. Thomas,
J. S. Speck, and C. F. McConville
Influence of charged-dislocation density variations on carrier mobility in heteroepitaxial semiconductors: the case of SnO2 on sapphire

Phys. Rev. B 86, 245315 (2012)

S. K. Vasheghani Farahani, T. D. Veal, P. D. C. King, J. Zúñiga-Pérez, V. Muñoz-Sanjosé, and C. F. McConville
Electron mobility in CdO films

J. Appl. Phys. 109, 073712 (2011)


Links

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Contact Details

Dr Sepehr V. Farahani,
Surface, Interface and Thin Films Group, Department of Physics, University of Warwick,
Coventry
CV4 7AL
UK


Tel:

+44 (024) 7655 1776

E-Mail:

s.farahani@warwick.ac.uk

Office:

P425