List of Publications and Conference Papers:

(Note: Names in boldface are those of current MRC personnel)

Biswas, R., C. Soukoulis, Q. Li (ISU); I. Kwon (Los Alamos National Laboratory). "Simulations of Defect Formation Processes in Hydrogenated Amorphous Silicon." Solid State Phenomena Vols.. 44­46.

Biswas, R., C. Wang, K Ho, C. Soukoulis (ISU); I. Kwon (Los Alamos National Laboratory). "Transferable Tight­Binding Models for Silicon." Physical Review B Vol. 49, No. 11.

Burns, S., H. Shanks,A. Constant, D. Schmidt, A. Landin, C. Thielen, F. Olympie, T. Schumacher, J. Cobbs (ISU); C. Gruber (Mankato State University). "Design and Fabrication of a­Si:H­Based EEPROM Cells." The Electrochemical Society Proceedings Vol. 94­35.

Cheng, S., R. Biswas, E. Ozbay, S. McCalmont, G. Tuttle, K Ho. ''Optimized Dipole Antennas on Photonic Band Gap Crystals." Applied Physics Letters 67 (23), 4 December 1995.

Constant, A., S. Burns, H. Shanks, A. Landin, D. Schmidt, C. Thielen, F. Olympie, T. Schumacher, J. Cobbs (ISU); C. Gruber (Mankato State University). "Development of Thin Film Transistor Based Circuits on Flexible Polyimide Substrates." The Electrochemical Society Proceedings Vol. 94­35.

Dalal, V., E. Ping, S. Kaushal, M. Bhan, M. Leonard. "Growth of High Quality Amorphous Silicon Films With Significantly Improved Stability." Applied Physics Letters 64 (14), 4 April 1994.

Dalal V. "Growth of High Quality Amorphous Silicon­Germanium Films Using Low Pressure Remote ECR Discharge." Journal of Non­Crystal Solids 1995.

Dalal V., M. Noack, H. Shanks (ISU); D. Grimmer, F. Jeffrey, S. Martens, M. Thomas (Iowa Thin Film Technologies, Inc.). "Lightweight, Flexible, Monolithic Thin­Film Amorphous Silicon Modules on Continuous Polymer Substrates." International Journal of Solar Energy 1995.

Dalal, V., S. Kaushal, E. Ping, J. Xu, R. Knox, K Han. "Microcrystalline and Mixed Phase Si:H: Preparation, Potential and Properties for Devices."

Dalal V. "Significant Improvements in Stability of Amorphous Silicon Solar Cells by Using ECR Deposition." Journal of Non­Crystal Solids 1995.

DeBoer, S., V. Dalal, G. Chumanov (ISU); R. Bartels (Oklahoma State University). "Low Temperature Epitaxial Silicon Film Growth Using High Vacuum Electron­Cyclotron­Resonance Plasma Deposition." Applied Physics Letters 66 (19), 8 May 1995.

Fastenau, J., E. Ozbay, G. Tuttle, F. Laabs. "Epitaxial Lift­Off of Thin InAs Layers. Journal of Electronic Materials, Vol. 24, No. 6, 1995.

Goff, E., and R. Weber. "A Modified Transmission Line Approach to the Analysis of Superconducting Microwave Resonators." Materials Research Society Proceedings Vol. 360.

Ho, K, C. Chan, C. Soukoulis, R. Biswas, M. Sigalas. "Photonic Band Gaps in Three Dimensions: New Layer­by­Layer Periodic Structures." Solid State Communications Vol. 89, No. 5.

Jensen, T., D. Robinson, J. Gray. "Application of a Microstrip Proportional Chamber to X­Ray Imaging." Review of Progress in Quantitative Nondestructive Evaluation Vol. 13.

Li, Q., and R. Biswas. "Hydrogen Rebonding and Defect Formation in a­Si­H." Physical Review B Vol. 52, No. 15.

Li, Q., and R. Biswas. "Metastable Defect Formation by Hydrogen Relocation and Rebonding." Materials Research Society Symposium Proceedings Vol. 377.

Li, Q., R. Biswas, C. Soukoulis. "New Approaches to Molecular Dynamics Simulations of a­Si:H." Materials Research Society Symposium Proceedings Vol. 336.

Li, Q., and R. Biswas. "Transferable Tight­Binding Model for Si­H Systems." Physical Review B Vol. 50, No. 24.

Moradi, B., V. Dalal, R. Knox. "Properties of Polysilicon Films Deposited on Amorphous Substrates Using Reactive Plasma Beam Deposition Technique." Journal of Vacuum Science Technology January 1994.

Ozbay, E., E. Michel, G. Tuttle, R. Biswas, K Ho (ISU); J. Bostak, D. Bloom (Stanford University). "Double­Etch Geometry for Millimeter­Wave Photonic Band­Gap Crystals." Applied Physics Letters 65 (13), 26 September 1994.

Ozbay, E., G. Tuttle, J. McCalmont, M. Sigalas, R. Biswas, C. Soukoulis, K Ho. "Laser­Micromachined Millimeter­Wave Photonic Band­Gap Cavity Structures." Applied Physics Letters 67 (14), 2 October 1995.

Ozbay, E., A. Abeyta, G. Tuttle, M. Tringides, R. Biswas, C. Chan, C. Soukoulis, K. Ho. "Measurement of a Three­Dimensional Photonic Band Gap in a Crystal Structure Made of Dielectric Rods." Physical Review B Vol. 50, No. 3.

Ozbay, E., E. Michel, G. Tuttle, R. Biswas, M. Sigalas, K. Ho. "Micromachined Millimeter­Wave Photonic Band­Gap Crystals." Applied Physics Letters 64 (16), 18 April 1994.

Ozbay, E., E. Michel, G. Tuttle, R. Biswas, K. Ho (ISU); J. Bostak, D. Bloom (Stanford University). "Terahertz Spectroscopy of Three­Dimensional Photonic Band­Gap Crystals." Optics Letters Vol. 19, No. 15.

Shanks, H., M. Leksono, R. Girvan (ISU); Z. Binglin, S. Shupo, W. Jian'en, H. Jintian (Zhengzhou University). "Blue­Green Electroluminescence of Free­Standing Diamond Thin Films." China Physics Letter Vol. 11, No. 4 (1994).

Shinar, J., H. Jia, R. Shinar (ISU); Y. Chen, D. Williamson (Colorado School of Mines). "Microvoid, Si, H. and Al Dynamics in a­Si:H/Al2O3/Al Structures: A Small­Angle X­Ray Scattering and Infrared­Absorption Study." Physical Review B Vol. 50, No. 11.

Shinar, R., J. Shinar, G. Subramania, H. Jia, S. Sankaranarayanan, M. Leonard, V. Dalal. "Hydrogen Diffusion in Undoped and B­Doped a­Sii1­xCx:H." Materials Research Society Symposium Proceedings Vol. 336.

Shinar, R., D. Robinson, J. Partee, P. Lane, J. Shinar. "Photoluminescence and Auger Spectroscopy of Porous Si:: Solvent, Reactive Ion Etching, Annealing, and Substrate Boron Level Effects." Journal of Applied Physics 77 (7), 1 April 1995.

 

Vikram L. Dalal, Matt Welsh, Max Noack and J. H. Zhu, "Microcrystalline Si:H Cells Grown Using ECR Plasma Process", Accepted for publication by IEE Proc.-Circuits and Devices (2003)

Vikram L. Dalal, "Fundamental Considerations governing the growth of a-Si and a-(Si,Ge)"

(Invited paper), Current Opinions in Solid State Materials, ( Dec.2002), to be published.

Vikram L. Dalal, Paul Seberger, Matt Ring and Puneet Sharma, " Growth of a-Si films using combined hot wire-ECR process", Thin Solid Films (2003) To be published.

Vikram L. Dalal, Yong Liu , Zhiyang Zhou and Keqin Han, "Growth and Properties of Low Bandgap amorphous (Si,Ge) Alloy Materials and Devices", J. Non-Cryst. Solids, 299-302, 1127 ( 2002)

S. R. Sheng, M. Boshta, R. Braunstein and V. L. Dalal, " On the transport properties of a-(Si,Ge) alloys", J. Non-Cryst. Solids , 303, 202 (2002)

V. L. Dalal, "Fundamental considerations of growth chemistry of a-Si and alloys" Thin Solid Films 395, 173(2001)

K. Erickson and V. L. Dalal, " Growth of microcrystalline Si and (Si,Ge) films on plastic substrates", J.Non-Cryst. Solids, 266, 685(2000)

V. L. Dalal, S. Haroon, Zhiyang Zhou, T. Maxson and K, Han, "Influence of plasma chemistry on the properties of a-Si,Ge:H alloys", J.Non-Cryst. Solids, 266,675(2000)

J. Herrold and V. L. Dalal, " Growth and properties of microcrystalline (Ge,C)", J.Non-Cryst. Solids., 270, 255(2000)

J. Shinar, R. Shinar, D. Williamson, S. Mitra and V. Dalal , "Microstructure and hydrogen dynamics in hydrogenated amorphous (Si,C)" Phys. Review B.60, 15875(1999)

V. L. Dalal, T. Maxson and Kay Han, " Significant improvements in stability of a-Si:H single and tandem junction solar cells made using ECR plasma deposition", J. Non-Cryst. Solids,227,1257(1998)

T. W. F. Russell, V. L. Dalal, R. Gay and S. Guha, "Design of critical experiments for scale-up", Prog. In Photovoltaics, 5, 353(1997)

V. L. Dalal, S. Kaushal and R. Girvan,, "Improvements in stability of a-Si:H solar cells", J. Non-crystalline Solids, 198-200, 1101(1996)

V. L. Dalal and X. J. Niu, " Photovoltaic properties of Ge,C alloys", Proc. Of MRS (2003) to be published

J. H. Zhu and V. L. Dalal . " Microcrystalline Si,Ge solar cells" , Proc. Of MRS (2003) to be published

M. Ring and V. L. Dalal, " Properties of a-(Si,Ge):H films deposited using hot wire-ECR growth technique" , Proc. Of MRS, (2003) To be published

V. L. Dalal, P. Sharma and A. Ahmed, "Evidence for trap controlled instability in a-Si", Proc. Of MRS (2003) to be published

M. Pontoh, Vikram Dalal and Neha Gandhi, "Characterization of ECR plasma", Proc. Of Mater. Res. Soc. (2002) Vol. 715

Yong. Liu and Vikram Dalal, " Properties of a-(Si,Ge) films and devices deposited at higher growth rates" Proc. Of Mater. Res. Soc. (2002) Vol. 715

Roger Keen and Vikram Dalal, " Growth and properties of fluorinated silicon dioxide using ECR plasma deposition", Proc. Of MRS (2002) Vol. 715

Vikram Dalal and Yong Liu, " Properties of low gap a-Si,Ge materials and devices", Proc. Of 29th. IEEE Photovolt. Conf.(2002) To be published

V. L. Dalal, "Some considerations relating to growth chemistry of a-Si and a-(Si,Ge) alloys", Proc. Of MRS, 664, A5.3 (2001)

M. deFreese, V. L. Dalal and J. Falter, "Optical emission spectroscopy of germane plasmas produced in an ECR reactor", Proc. Of MRS, Vol. 664, A5.2 (2001)

S. R. Sheng, R. Braunstein and V. L. Dalal, "Electronic and optical properties of high quality, low bandgap a-(Si,Ge) alloys", Proc. Of MRS, Vol. 664, A8.4 (2001)

V. L. Dalal and Jason Herrold, " Microcrystalline Germanium Carbide: A new, almost direct gap, thin film material for photovoltaic energy conversion", Proc. Of MRS, Vol. 664, A25.12 (2001)

V. L. Dalal and K. Erickson, " Microcrystalline Si and (Si,Ge) solar cells on plastic substrates", Proc. Of 28th. IEEE Photovolt. Spec. Conf.(2000) ,p.792-795

R. Estwick and V. L. Dalal, "Quantum efficiency in a-Si cells", Proc. of MRS, 507, 37 (1999)

J. Herrold and V. L. Dalal, "Growth and properties of (Ge,C)", Proc. of MRS 507, 561(1999)

R. Shinar, J. Shinar, D. Williamson, S. Mitra, H. Kavak and V. L. Dalal, "Microstructure and hydrogen dynamics in a-(Si,C):H", Proc. Of MRS, 507, 329(1999)

V. L. Dalal, T. Maxson and S. Haroon, " Influence of plasma chemistry on properties of a-(Si,Ge) devices", Proc. MRS, 507, 441(1998)

K. Erickson and V. L. Dalal, "Preparation and properties of microcrystalline (Si,Ge) on plastic substrates" , Proc. of MRS, 507, 987(1998)

V. L. Dalal, S. Haroon and T. Maxson, " Influence of plasma chemistry on the properties of a-(Si,Ge) solar cells" , Proc. of 2nd. World Conference on Photovoltaic Solar Energy Conversion, p.865(1998)

V. L. Dalal, T. Maxson, and K. Han "Properties of a-Si and a-(Si,Ge):H solar cells prepared using ECR deposition", Proc. of 26th. IEEE Photovolt. Spec. Conf, p. 695(1997)

V. L. Dalal, T. Maxson, R. Girvan and S. Haroon, " Stability of single and tandem junction a-Si solar cells prepared using ECR deposition", Proc. of Matl. Res. Soc., 467 , 813(1997)

K. Erickson and V. L. Dalal, "Growth of microcrystalline Si:H and (Si,Ge):H films on polyimide substrates using ECR deposition techniques", Proc. of Mater. res. Soc., 467, 409(1997)

V. L. Dalal, S. Kaushal, T. Maxson, R. Girvan and A. Boerner, "Stability properties of a-Si and a-(Si,Ge):H films and devices deposited using remote ECR techniques", Proc. of Amer. Inst. of Phys.,Vol. 394, (Ed. Ed Witt et al), p. 33(1997).

V. L. Dalal, S. Kaushal, R. Girvan, S. Hariasra and L. Sipahi, " Improved stability in a-Si solar cells", Proc. of 25th. IEEE Photovolt. Spec. Conf.,p. 1069(1996)

V. L. Dalal, S. Kaushal, L. Sipahi, S. Hariasra and R. Girvan, " Properties of substrate type a-Si devices prepared using ECR deposition", Proc. of Mater.res. Soc., Vol. 420 , 39(1996)

V. L. Dalal and S. Kaushal, E. X. Ping, J. Xu, R. Knox and K. Han, "Microcrystalline and mixed-phase Si:H: Preparation, properties and potential for devices", Proc. of Mater. Res. Soc. 377, 137(1995)

V. L. Dalal, S. Kaushal, J. Xu and K. Han, " Critical review of growth and properties of a-(Si,Ge):H", Proc. of 24th. IEEE Photovolt. Spec. Conf., p. 464(1994)

R. Shinar, J. Shinar, V. L. Dalal, " Hydrogen diffusion in B doped and undoped a-(Si,C):H", Proc. of Mater. res. Soc.,336,317(1994)

W. Luft, H. M. Branz, V. L. Dalal, S. Hegedus and E. Schiff "Progress in a-Si PV technology", Proc. of Amer. Inst. of Physics, Vol. 353 , 81(1995)

V. L. Dalal, G. Baldwin, E. X. Ping, M. Leonard and M. Bhan, " Fabrication of more stable materials and devices in a-Si:H", Proc. of Amer. Inst. of Phys.,Vol. 306 ,460(1993)

W. Luft, H. Branz, V. L. dalal, S. Hegedus and E. Schiff, " Progress in a-Si technology", Proc. of Amer. Inst. of Phys.,306, 31(1993)

V. L. Dalal, G. Baldwin and A. Garikepati, " Improvements in stability of a-Si solar cells through the use of bandgap grading", Proc. of 23rd. IEEE Photovolt. Spec. Conf., 816(1993)

V. L. Dalal and G. Baldwin, " Deposition of high quality a-(Si,Ge):H films and devices", proc. of 23rd. IEEE Photovolt. Spec. Conf., 1037(1993)

V. L. Dalal and G. Baldwin, " Design and fabrication of graded bandgap soalr cells in a-Si and alloys", Proc. of Mater. Res. Soc., 297, 833(1993)

V. L. Dalal, R. Knox, N. Kandalaft, K. Han and B. Moradi, " Properties of a-Si films and devices deposited using reactive plasma beam technique", Proc. of Amer. Inst. of physics, 268, 388(1992)

V. L. Dalal, S. Chopra and R. Knox, " Role of charged defects in photo-degradation of a-Si", Proc. of Matl. Res. Soc., 258, 449(1992)

Y. Tian, A.F. Bastawros, C.C.H. Lo , A.P. Constant, A.M. Russell, B.A. Cook, "Superhard, self-lubricating AlMgB14 films for LIGA microdevices", Applied Physics Letters, (accepted) 2003.

M.R. Wills, R. Shinar, and A.P. Constant, "Metastable Ge,C films by Reactive Pulsed Laser Deposition", J. Appl. Phys. (submitted July 2003)

M.R. Wills, R. Shinar, and A.P. Constant, "Reactive Pulsed Laser Deposition of Microcrystalline Ge-based Thin Films", MRC Proceedings, April 2003.

Y. Tian, A. Constant, C.C.H. Lo, J.W. Anderegg, A.M. Russell, J.E. Snyder, P. Molian, "Microstructure Evolution of Al-Mg-B Thin Films by Thermal Annealing", Journal of Vacuum Science and Technology A, to be published in 2003.

N. Wong, K. Ulmer, J. Snyder, A. Constant, "Large Magnetic Moments in the Fe-N System", Journal of Vacuum Science and Technology A, to be published Oct 2003.

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Revised: 16 September 2003 by D. Schmidt