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Publications

Journal Publications

• Bahardoust, B., A. Chutinan, et al. (2010). "Passivation study of the amorphous-crystalline silicon interface formed using DC saddle-field glow discharge." physica status solidi (a) 207(3): 539-543.
• O'Brien, P. G., A. Chutinan, et al. (2010). "Photonic crystal intermediate reflectors for micromorph solar cells: a comparative study." Opt. Express 18(5): 4478-4490.
• O'Brien, P. G., D. P. Puzzo, et al. (2010). "Selectively transparent and conducting photonic crystals." Advanced Materials 22(5): 611-616.
• Cademartiri, L., F. Seotognella, et al. (2009). "Cross-linking Bi₂S₃ ultrathin nanowires: A platform for nanostructure formation and biomolecule detection." Nano Letters 9(4): 1482-1486.
• Chutinan, A., N. P. Kherani, et al. (2009). "High-efficiency photonic crystal solar cell architecture." Optics Express 17(11): 8871-8878.
• Liu, B., K. P. Chen, et al. (2009). "Power-scaling performance of a three-dimensional tritium betavoltaic diode." Applied Physics Letters 95(23).
• Tsai, R. Y. C., L. Qian, et al. (2009). "Room-temperature photoluminescence in erbium-doped deuterated amorphous carbon prepared by low-temperature MO-PECVD." Optics Express 17(23): 21098-21107.
• O'Brien, P. G., N. P. Kherani, et al. (2008). "Silicon photovoltaics using conducting photonic crystal back-reflectors." Advanced Materials 20(8): 1577-1582.
• Liu, B., N. P. Kherani, et al. (2008). "Tritiation of semiconductor materials for micropower application." Fusion Science and Technology 54(2): 627-630.
• Liu, B., K. P. Chen, et al. (2008). "Betavoltaics using scandium tritide and contact potential difference." Applied Physics Letters 92(8).
• Liu, B., D. Alvarez-Ossa, et al. (2008). "Smoke and particle detector using tritiated semiconductor foil." Fusion Science and Technology 54(2): 631-634.
• Kherani, N. P., B. Liu, et al. (2008). "Hydrogen effusion from tritiated amorphous silicon." Journal of Applied Physics 103(2).
• Johnson, E. V., S. Zukotynski, et al. (2008). "Operational regimes of the saddle field plasma enhanced chemical vapor deposition system." Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films 26(3): 462-471.
• Cademartiri, L., R. Malakooti, et al. (2008). "Large-scale synthesis of ultrathin Bi₂S₃ necklace nanowires." Angewandte Chemie - International Edition 47(20): 3814-3817.
• Alizadeh, H., W. Shams-Kolahi, et al. (2008). "Room temperature photoluminescence from erbium in silica by evaporation and thermal oxidation." Japanese Journal of Applied Physics 47(9 PART 1): 7211-7215.
• Costea, S., N. P. Kherani, et al. (2007). "Time evolution of charged defect states in tritiated amorphous silicon." Journal of Applied Physics 102(10).
• Paul O'Brien, Nazir P. Kherani, Stefan Zukotynski, Geoffrey A. Ozin, Evangellos Vekris, Nicolas Tetreault, Alongkarn Chutinan, Augustin Mihi, Hernan Miguez, "Enhanced Photoconductivity in Thin-Film Semiconductors Optically Coupled to Photonic Crystals" (accepted 2007).
• Stefan Costea, Nazir P. Kherani, Stefan Zukotynski, "Metastable Defect Creation in Tritiated Hydrogenated Amorphous Silicon and the Staebler-Wronski Effect", J Mat Sci, Vol. 18, Supp. 1, 175-182. (October 2007).
• B. Liu, D. Alvarez-Ossa, N.P. Kherani, S. Zukotynski, K.P. Chen, "Gamma-Free Smoke and Particle Detector Using Tritiated Foils", IEEE Sensors Journal, Vol. 7, No. 6, 917-918 (June 2007).
• Johnson Wong, Nazir P. Kherani, Stefan Zukotynski, "Monte Carlo Modeling of the DC Saddle Field Plasma: Discharge Characteristics of N2 and SiH4", J Appl Phys 101, 013308 (2007).
• Erik V. Johnson, Nazir P. Kherani, Stefan Zukotynski, "Raman Scattering Characterization of SF-PECVD-Grown Hydrogenated Microcrystalline Silicon Thin Films using Growth Surface Electrical Bias", J Mat Sci: Mater Electron 17 (2006) 801-813.
• Erik V. Johnson, Sjoerd Hoogland, Ethan Klem, Nazir Kherani, Stefan Zukotynski, "Physical, Electrical, and Optical Properties of SF-PECVD-Grown Hydrogenated Microcrystalline Silicon with Growth Surface Electrical Bias", J Mat Sci: Mater Electron 17 (2006) 789-799.
• B. Liu, K. Chen, N.P. Kherani, T. Kosteski, S. Costea, S. Zukotynski, A.B. Antoniazzi, "Tritiation of Amorphous and Crystalline Silicon Using T2 Gas", Appl Phys Lett 89 (2006) 044104.
• B. Liu, K. Chen, N.P. Kherani, S. Zukotynski, A.B. Antoniazzi, "Tritium locked in silica using 248 nm KrF laser irradiation", Appl Phys Lett 88 (2006) 044104.
• S. Pisana, S. Costea, T. Kosteski, W. T. Shmayda, N. P. Kherani, S. Zukotynski," Density of States in Tritiated Amorphous Silicon Obtained with the Constant Photocurrent Method", J Appl Phys 98 093705 (Nov 2005) 1-5.
• Sun, W., Kherani, N.P., Hirschman, K.D., Gadeken, L.L., Fauchet, P.M.," A Three Dimensional Porous Silicon p-n Diode for Betavoltaics and Photovoltaics", Adv Mater 17 (2005) 1230-1233.
• Costea, S., Pisana, S., Kherani, N.P., Gaspari, F., Kosteski, T., Shmayda, W.T., Zukotynski, S., "Use of Tritium in the Study of Defects in Amorphous Silicon", Fusion Sci & Technol 48(1) (2005) 700-703.
• Kosteski, T., Kherani, N.P., Shmayda, W.T., Costea, S., Zukotynski, S., "Nuclear Batteries using Tritium and Thin Film Hydrogenated Amorphous Silicon", Fusion Sci & Technol 48(1) (2005) 712-715.
• T. Kosteski, N.P. Kherani, P. Stradins, F. Gaspari, W.T. Shmayda, L. Sidhu, S. Zukotynski, "Tritiated Amorphous Silicon Betavoltaic Devices", IEE Proceedings Circuits, Devices and Systems, (special issue on Amorphous and Microcrystalline Semiconductor Devices), 150, No. 4 (2003) 274-281. (Invited)
• Ales Horky, Nazir P. Kherani, Gu Xu, "Conductivity and Transport Properties of Aqueous Phosphotungstic and Silicotungstic Acid Electrolytes for Room-temperature Fuel Cells", J. Electrochem. Soc. 150 (2003) 1219-1224.
• C. R. Shmayda, W. T. Shmayda, and N. P. Kherani, "Monitoring Tritium Activity on Surfaces: Recent Developments", Fusion Sci Technolog 41 (2002) 500-504.
• N.P. Kherani, "An Alternative Approach to Tritium-in-Water Monitoring", J Nucl Instr & Meth in Phys Res A 484 (2002) 650-659.
• S. Zukotynski, F. Gaspari, N.P. Kherani, T. Kosteski, K. Law, W.T. Shmayda, C.M. Tan, "Metastability in Tritiated Amorphous Silicon", J Non Cryst. Solids 229-302 (2002) 476-481.
• A.W.P. Poon, R.J. Komar, C.E. Waltham, M.C. Browne, R.G.H. Robertson, N.P. Kherani, H.B. Mak, "A Compact 3H(p,£^)4He 19.8 MeV Gamma-ray Source for Energy Calibration at the Sudbury Neutrino Observatory", Nucl Instr Meth Phys Res A 452 (2000) 115-129.
• D.O. Stodilka, N.P. Kherani, W.T. Shmayda, S. Thorpe, "A Tritium Tracer Technique for the Measurement of Hydrogen Permeation in Polymeric Materials", Intl J Hydrogen Energy 25 (2000) 1129-1136.
• F. Gaspari, T. Kosteski, S. Zukotynski, N.P. Kherani and W.T. Shmayda, "Time Evolution of the Density of States of Tritiated Amorphous Silicon", Phil. Mag B 80 (2000) 561-569.
• L.S. Sidhu, T. Kosteski, S. Zukotynski, N.P. Kherani and W.T. Shmayda, "Effect of dangling bond density on luminescence in tritiated amorphous silicon",. Appl. Phys. Lett. 74 (1999) 3975.
• L.S. Sidhu, T. Kosteski, S. Zukotynski and N.P. Kherani, "Infrared vibration spectra of hydrogenated, deuterated and tritiated amorpous silicon", J. Appl. Phys. 85 (1999) 2574-2578.
• N.P. Kherani, W.T. Shmayda, J.M. Perz, K.G. McNeill and S. Zukotynski, "Electron emission at the surface of metal tritide films", J. Alloys and Compounds 253-254 (1997) 62-65.
• T. Kosteski, N.P. Kherani, F. Gaspari, S. Zukotynski and W.T. Shmayda, "Tritated Amorphous Silicon Films and Devices", J. Vac. Sc. Technol. A 16 (1998) 893.
• Marshall-GM; Adamczak-A; Bailey-JM; Beer-GA; Beveridge-JL; Douglas-JL; Faifman-MP; Fujiwara-MC; Huber-TM; Jacot-Guillarmod-R; Kammel-P; Kherani-NP; Kim-SK; Knowles-PE; Kunselman-AR; Maier-M; Markushin-VE; Martoff-CJ; Mason-GR; Melezhik-VS; Mulhauser-F; Olin-A; Petitjean-C; Piller-C; Porcelli-TA; Steffens-CP; Zhang-Y; Zmeskal-J,"Time-of-flight measurement of resonant molecular formation in muon-catalyzed dt fusion", Hyperfine-Interactions 101-102 (1996) 47-55.
• N.P. Kherani, W.T. Shmayda, "Ionization Surface Activity Monitor for Tritium", Fusion Technology 28 (3) (1995) 893.
• N.P. Kherani, T. Kosteski, S. Zukotynski and W.T. Shmayda, "Tritiated amorphous silicon for micropower applications", Fusion Technology 28, 1609-1614 (1995).
• K.J. Maynard, N.P. Kherani, W.T. Shmayda, "Nitridation of Zr2Fe and its Influence on Tritium Removal", Fusion Technology 28 (1995) 1546-1551.
• N.P. Kherani, W.T. Shmayda, "Radioluminescence Using Metal Tritides", Zeitschrift fur Physikalissche Chemie, 183 (1994) 453-463.
• N.P. Kherani, W.T. Shmayda, "Electron Flux at the Surface of Titanium Tritide Films", Fusion Technology 21 (1992) 334-339.
• N.P. Kherani, W.T. Shmayda, "In-line Process Tritium Monitors", Fusion Technology 21 (1992) 340-345.
• N.P. Kherani, W.T. Shmayda, "Lithium Tritide: Micropower Source and Fusion Fuel", Fusion Technology 21?(1992) 1167-1171.
• W.T. Shmayda, N.P. Kherani, F.M. Ghezzi, G. Bonizzoni, "St737 for Tritium Service: An Experimental Evaluation", Fusion Technology 21 (1992) 1024-1029.
• W.T. Shmayda, N.P. Kherani, B. Wallace, F. Mazza, "Inert Gas Secondary Enclosure Clean-up System", Fusion Technology 21 (1992) 616-621.
• A.G. Heics, W.T. Shmayda, N.P. Kherani, "ZrCo for Tritium Storage: Some Bed Design and Operation Considerations", Fusion Technology, 19 (1991) 1686.
• W.T. Shmayda, A.G. Heics, N.P. Kherani, "Comparison of Uranium and Zirconium Cobalt for Tritium Storage", Journal of the Less-Common Metals, 162 (1990) 117-127.
• W.T. Shmayda, N.P. Kherani, "Uranium for Hydrogen Isotope Removal from Inert Gas Streams", Fusion Eng. and Design 8-10 (1989) 359-363.
• W.T. Shmayda, N.P. Kherani, J. Winter, F. Waelbroeck, "Atomic Hydrogen Radial Flux Dependence on Plasma Parameters on TEXTOR", Journal of Nuclear Materials 162-164 (1989) 582-6.
• A.G. Heics, W.T. Shmayda, N.P. Kherani, "Heat Transport in Doubly Contained Uranium Storage Beds", J. Vac. Sci. Technol. A6(3) (May/June 1988) 1872-75.
• W.T. Shmayda, N.P. Kherani, A.G. Heics, "Tritium Removal from Noble Gas Streams", J. Vac. Sci. Technol., A6(3) (May/June 1988) 1259-62.
• A.G. Heics, W.T. Shmayda, K.D. Geiger, N.P. Kherani, "Ontario Hydro Research Division Tritium Laboratory: Design and Operating Experience", Fusion Technology 14 (1988) 1277-1281.
• N.P. Kherani, W.T. Shmayda, A.G. Heics, "Enhancing the Rate of Hydriding in Uranium Bed", Zeitschrift fur Physikalische Chemie Neue Folge 164 (1988) 1421.
• W.T. Shmayda, F. Waelbroeck, J. Winter, R. Wienhold, T. Banno, N.P. Kherani, "Tritium Pumping Based on Asymmetric Permeation", Fusion Technology 8 (September 1985).
• N.P. Kherani, W.T. Shmayda, "Gas Handling Systems Using Titanium-Sponge and Uranium Bulk Getters", Fusion Technology, 8 (1985) 2399-2405.
• R.A. Bonalumi, N.P. Kherani, "Rational Mapping (RAM) of In-Core Data", Nuc Sci & Eng 90 (1985) 47-59.

Refereed Proceedings

• T. Ju, J. Whitaker, S. Zukotynski, N. Kherani, P.C. Taylor, P. Stradins, "Metastable Defects in Tritiated Amorphous Silicon", Mater. Res. Soc. Symp. Proc. (2007).
• Keith R Leong, Andreas Mandelis, Nazir P Kherani, Stefan Zukotynski, "Photocarrier Radiometric Lifetime Measurements of Intrinsic Amorphous-Crystalline Silicon Heterostructure", Mat. Res. Symp. Proc. (Apr 2006).
• Johnson, E., Kherani,N.P., Zukotynski, S., "Dependence of Microcrystalline Silicon Growth on Ion Flux at the Substrate Surface in a Saddle Field PECVD", Mat. Res. Symp. Proc. 862 (2005) A19.6.1.
• Sun, W., Kherani, N.P., Hirschman, K.D., Gadeken, L.L., Fauchet, P.M., "Fabrication of Three-Dimensional Porous Silicon p-n Diodes", Mat. Res. Symp. Proc. 836 (2004) L8.3.
• Pisana, S., Kherani, N.P., Zukotynski, S., "Density of States in Tritiated Amorphous Silicon Measured Using CPM", Mat. Res. Symp. Proc. 836 (2004) L8.9.
• T. Allen, F. Gaspari, N.P. Kherani, T. Kosteski, K. Leong, I. Milostnaya, D. Yeghikyan, S. Zukotynski, "Influence of Hydrogen Dilution on Properties of Silicon Films Prepared by the Saddle- Field Glow-Discharge Method: Observation of Nanocrystallinity", Mat. Res. Symp. Proc. 762 (2003) A6.10.
• I. Milostnaya, F. Gaspari, N.P. Kherani, T. Kosteski, D. Yeghikyan, S. Zukotynski, "Electrical and Optical Properties of Hydrogenated Amorphous and Microcrytalline Silicon Films deposited by the Saddle-Field Glow Discharge Method", Mat. Res. Symp. Proc. 762 (2003) A6.15.
• N.P. Kherani, T. Allen, F. Gaspari, T. Kosteski, K. Leong, I. Milostnaya, D. Yeghikyan, S. Zukotynski, "Microcrystalline Silicon Thin Films Using DC Saddle-Field Glow Discharge", World Conference on Photovoltaic Energy Conversion 3 (2003).
• T. Allen, D. Yeghikyan, F. Gaspari, N.P. Kherani, T. Kosteski, I. Milostnaya, S. Zukotynski, "Microcrystalline Silicon Films obtained using Hydrogen Dilution in a D.C. Saddle-Field Glow- discharge", Mat. Res. Symp. Proc. 744 (2002) M5.22.
• Stefan Costea, Franco Gaspari, Tome Kosteski, Stefan Zukotynski, Nazir P. Kherani and Walter T. Shmayda, "Modeling of Beta-Conductivity in Tritiated Amorphous Silicon", Mat. Res. Symp. Proc. 609 (2000) A27.4.
• T. Kosteski, F. Gaspari, D. Hum, S. Costea, S. Zukotynski, N.P. Kherani, W.T. Shmayda, "Dependence of Photovoltaic Properties of Hydrogenated Amorphous Siliocn p-i-n Devices and Luminescence on Defects", Mat. Res. Symp. Proc. 609 (2000) A30.1.
• L.S. Sidhu, T. Kosteski, F. Gaspari, S. Zukotynski, N. Kherani and W. Shmayda, "An Infrared and Luminescence Study of Tritiated Amorphous Silicon", Mat. Res. Symp. Proc. 467 (1997) 129- 134.
• Shmayda-WT; Kherani-NP; Stodilka-D, "Evaluation of the tritium surface activity monitor", 19th Symp Fusion Technol 2 (1997) 1245-1248.
• L. S. Sidhu, T. Kosteski, S. K. O'Leary, F. Gaspari, S. Zukotynski, N. Kherani and W. Shmayda, "Tritium in Amorphous Silicon", Mat. Res. Symp. Proc. 420 (1996) 509-514.

Proceedings

• P. Mahtani, D. Yeghikyan, N.P. Kherani, S. Zukotynski, "The Use of Amorphous Silicon in Fabricating A Photovoltaic-Thermal System", SBRN (May 2007).
• B. Bahardoust, D. Yeghikyan, S. Costea, N.P. Kherani, S. Zukotynski, "Defect Density in Silicon Heterojunctions Obtained Using the Constant Photocurrent Method", Proceedings of 21st European Photovoltaic Solar Energy Conference (2006).
• N.P. Kherani, R.B. Gangadhar, S. Zukotynski, "Photovoltaics: The Next Generation", 30th Annual Conference of Canadian Solar Energy Society (SESCI, Vancouver, Aug 2005).
• B. Bahardoust, D. Yeghikyan, S. Costea, R. B. Gangadhar, N.P. Kherani, S. Zukotynski, "Characterization Of Amorphous-Crystalline Silicon Heterojunctions Using Constant Photocurrent Method", 20th European Photovoltaic Solar Energy Conference (Barcelona, Jun 2005).
• T. Allen, D. Yeghikyan, K. Leong, N.P. Kherani, W.L.Roes, S. Zukotynski, "Microscopic Studies Of Dual Phase Amorphous/Microcrystalline Silicon Prepared By The Saddle-Field Glow Discharge Deposition Method With Hydrogen Dilution", Microscopy and Microanalysis Conference (Savannah, Georgia, 2004).
• J. Petherick, N.P. Kherani, D. Yeghikyan, T. Kosteski, S. Zukotynski, "Temperature Dependence of Properties of Amorphous Silicon Grown Using the DC Saddle Field Glow Discharge", 29th Annual Conference of the Solar Energy Society of Canada, (SESCI, Waterloo, Ontario, Canada, 2004).
• E. Johnson, N.P. Kherani, S. Zukotynski, "Ion Bombardment and Microcrystalline Growth in the DC Saddle Field", 29th Annual Conference of the Solar Energy Society of Canada, (SESCI, Waterloo, Ontario, Canada, 2004).
• D. Yeghikyan, N.P. Kherani, T. Kosteski, I. Milostnaya, S. Zukotynski, T. Allen, "Amorphous Silicon Photovoltaics Using DC Saddle-Field Glow Discharge", 19th European Photovoltaic Solar Energy Conference (June 2004).
• D. Yeghikyan, N.P. Kherani, F. Gaspari, I. Milostnaya, T. Allen, T. Kosteski, B. Bahardoust, E. Johnson, K. Leong, S. Zukotynski, "Thin film silicon photovoltaics using DC saddle-field glow discharge", Proceedings of the 28th Annual Conference of the Solar Energy Society of Canada, (SESCI, Kingston, Ontario, Canada, 2003).
• N.P. Kherani, W.T. Shmayda, "Tritium-Materials Interactions", Nuclear Science & Technology, Safety in Tritium Handling Technology, Euro Course Series (1993) 85-105. (Invited)
• Kherani, N.P., Shmayda, W.T., Antoniazzi, A.B., "Search for neutron emission induced by thermal cycling of metal deuterides", Understanding Cold Fusion Phenomena, Italian Phys Soc Conf Proc 24 (1990) 137-145.

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