Vikram L DalalDr. Vikram Dalal

Position : Director of MRC and Thomas Whitney Professor in Electrical and Computer Engineering
Office: 235 ASC I
Phone: (515) 294-7732
E-mail: vdalal@iastate.edu

Dr. Dalal received the Ph.D. in Electrical Engineering and an MPA in Economics, both from Princeton University. Prior to joining the MRC staff, he was Research Scientist, RCA Laboratories; Consultant and Research Associate, Ford Foundation and Princeton University; Manager, Device Group, Institute of Energy, University of Delaware; Vice President, R&D, Chronar Corporation; and Technical Manager, Spire Corporation and Polaroid Corporation. His research interests include photovoltaic energy conversion; growth and characterization of new electronic materials and devices; novel processing techniques; plasma beam epitaxy; low temperature processing; thin film heteroepitaxy; high­temperature electronic materials and devices; and new devices for imaging, printing, sensors, and energy conversion. Dr. Dalal has authored more than 120 publications and currently holds 11 U.S. patents.


Selected Publications

M. Boshta, B. Alavi, R. Braunstein, K. Bärner and V.L. Dalal, “Electronic transport properties of the μc-(Si,Ge) alloys prepared by ECR deposition”, Solar Energy Mater. and Solar cells, 87, 387(2005)

Vikram Dalal, Puneet Sharma “ Diffusion length and defect densities in nanocrystalline Si solar cells” Appl. Phys. Lett. 86, 103510 (2005)

Nanlin Wang and Vikram Dalal, “Nanocrystalline Si Films and Devices Produced Using Chemical Annealing with He”, accepted for publication in Proc. Of  MRS (2005)

Xuejun Niu, Jeremy Booher and Vikram L. Dalal, “Nanocrystalline Germanium and Germanium Carbide Films and Devices”, Accepted for publication, Proc. Of MRS (2005)

Vikram L. Dalal, Kamal Muthukrishnan,  Daniel Stieler and Max Noack, “Growth chemistry of nanocrystalline Si:H films”, accepted for publication , Proc. Of MRS (2005)

Complete List of Publications


U.S. Patents

PAT. NO.            Title

4,692,558             Counteraction of semiconductor impurity effects

 4,604,636            Microcrystalline semiconductor method and devices

 4,485,128            Bandgap control in amorphous semiconductors

 4,478,654            Amorphous silicon carbide method

 4,477,688            Photovoltaic cells employing zinc phosphide

 4,465,706            Bandgap control in amorphous semiconductors

 4,387,265            Tandem junction amorphous semiconductor photovoltaic cell

 4,377,723            High efficiency thin-film multiple-gap photovoltaic device

  4,253,882            Multiple gap photovoltaic device

  4,251,287            Amorphous semiconductor solar cell

  3,988,167            Solar cell device having improved efficiency


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Revised: August 12, 2005