119 A.A. Howling, J.-L.Dorier, Ch. Hollenstein, U Kroll, F. Finger,
“Frequency Effects in Silane Plasmas for PECVD”,
38th annual Symp.& Topical Conference by the American Vacuum Society, Seattle, November 1991, published in the Journal of Vacuum Science & Technology A , Juli-August 1992, Vol. 10 (4), pp. 1080-1085
120 J.-L.Dorier, Ch. Hollenstein, A.A. Howling, U. Kroll,
“Powder Dynamics in VHF Silane Plasmas”
38th annual Symp.& Topical Conference by the American Vacuum Society, Seattle, November 1991, published inJournal of Vacuum Science & Technology A , Juli-August 1992, Vol. 10 (4), pp. 1048-1052
121 A. V. Shah, J. Hubin, E. Sauvain,
“Recombination and Collection in a-Si:H p-i-n Solar Cells”
published in the Technical Digest of the 6th PVSEC, New Delhi, February 1992, pp. 685-690;
122 R. Tscharner, D. Fischer, H. Keppner, A.V. Shah, A.A. Howling, J.L. Dorier, Ch. Hollenstein,
“Fast Deposition of High Quality Amorphous Silicon Solar Cells without Powder Formation”
published in the Technical Digest of the 6th PVSEC, New Delhi, February 1992, pp. 311-316;
123 H. Keppner, P. Fath, D. Fischer, N. Pellaton, A. Mettler, R. Tscharner, A. Shah
“Saturation Behavior of Solar Cell Efficiency due to Light Soaking under Diffrent Wavelengths for a-Si:H Cells made by High Deposition Rate VHF-GD”
published in the Technical Digest of the 6th PVSEC, New Delhi, February 1992, pp. 615-619;
124 K.S. Srinivas, M.Vuknic, R. Tscharner, A. V. Shah,
“Energy Investment and Production Costs of Amorphous Silicon PV Modules”
published in the Technical Digest of the 6th PVSEC, New Delhi, February 1992, pp. 549-554;
125 P. Pipoz, E. Sauvain, J. Hubin, A. Shah,
“Assessment of Free Electron to Free Hole Ratios in a-Si:H by Ambipolar Diffusion and Photoconductivity Measurements”
Proceedings of the MRS Symp., San Francisco CA, April 1992, vol. 258, pp. 777-782;
126 P. Chabloz, H. Keppner, V. Beartschi, A. Shah, D. Chatellard, J.-P. Egger, M. Denoréaz,E. Jeannet, J.-F. Germond, R. Vuilleumier,
“X-Ray Detectors based on Thick a-Si:H Layers Deposited by the VHF-GD Process”
Proceedings of the MRS Symp., San Francisco CA, April 1992, vol. 258, pp. 1057-1062;
127 D. Fischer, N. Pellaton, H. Keppner, A. Shah, C.M. Fortmann,
“Effects of Low-Level graded i-Layer Doping of the Stability of a-Si:H Sollar Cells”
Proceedings of the MRS Symp., San Francisco CA, April 1992, vol. 258, pp. 887-892;
128 D. Fischer, N. Pellaton, H. Keppner, A. Shah, C.M. Fortmann,
“Room Temperature Recovery of Light-Induced Degradation in a-Si:H Solar Cells”
Proceedings of the MRS Symp., San Francisco CA, April 1992, vol. 258, pp. 893-897;
129 A. Shah, J.Dutta, N. Wyrsch, K. Prasad, H. Curtins, F. Finger, A. Howling, Ch. Hollenstein,
“VHF Plasma Deposition: a Comparative Overview”
Proceedings of the MRS Symp., San Francisco CA, April 1992, vol. 258, pp. 15-26;
130 U. Kroll, F. Finger, J. Dutta, H. Keppner, A. Shah, A. Howling, J.-L. Dorier, Ch. Hollenstein,
“Microstructure, Optoelectronic Properties and Saturated Defect Density of a-Si:H prepared in VHF-Glow Discharge using Ar and Xe Dilution”
Proceedings of the MRS Symp., San Francisco CA, April 1992, vol. 258, pp. 135-140;
131 F. Finger, U. Kroll, V. Viret, A. Shah, W. Beyer, X.-M. Tang, J. Weber, A. Howling, Ch. Hollenstein,
“Influences of High Exitation Frequency (70 MHz) in the Glow Discharge Technique on the Process Plasma and the Properties of Hydrogenated Amorphous Silicon”
J. Appl. Phys., June 1992, Vol. 71 (11), pp. 5665-5674;
132 J. Dutta, U.Kroll, A. Shah, A. Howling, J. -L. Dorier, Ch. Hollenstein.
“Avantages de l’excitation VHF pour le depot PECVD de a-Si:H”,
INTERACTIONS PLASMAS-FROIDS/ SURFACES
Groupement de Recherche no. 57 du CNRS
Colloque Annuel, Grenoble, 8-10 Juillet 1992;
133 A. Shah, J. Meier, R. Tscharner, N. Wyrsch,
“Photovoltaic Power Generation”,
Plasma Physics and Controlled Fusion, 1992, Vol. 34, pp. 1837-1844.
134 J. Hubin, A. Shah, E. Sauvain,
“Effects of Dangling Bonds on the Recombination Function in Amorphous Semiconductors”,
Phil. Mag. Lett. 1992, Vol.66 (3), pp. 115-125;
135 J. Dutta, U. Kroll, P. Chabloz, A. Shah, A.A. Howling, J.-L. Dorier, Ch. Hollenstein,
“Dependence of Intrinsic Stress in Hydrogenated Amorphous Silicon on Exitation Frequency in Plasma-Enhanced Chemical Vapor Deposition Process”,
J. Appl. Phys., October 1992, Vol. 72 (7), pp.3220-3222;
136 N. Beck, N. Wyrsch, E. Sauvain, A. Shah,
“Effect of Micro Doping and Light-Soaking on Mobility-Lifetime Products”,
Proceedings of the 11th EC Photovoltaic Solar Energy Conference, Montreux, October 1992,pp. 625-628;
137 D. Fischer, N. Pellaton, A. Shah, C.M. Fortmann,
“Electric Field Profiling by Low-Level Graded Doping for Improved Stabilized Performance of a-Si:H and a-SiGe:H Stacked Solar Cells”,
Proceedings of the 11th EC Photovoltaic Solar Energy Conference, Montreux, October 1992,pp. 560-563;
138 R. Tscharner, N. Pellaton, Y. Ziegler, D. Fischer, H. Keppner, A. Shah, Ch. Hollenstein, A. Howling, J.L. Dorier,
“Fast Powder-Free Deposition of high Quality Amorphous Silicon Solar Cells”,
Proceedings of the 11th EC Photovoltaic Solar Energy Conference, Montreux, October 1992,pp. 621-624;
139 Ch. Hollenstein, U. Kroll, A.A. Howling, J. Dutta, J.-L. Dorier, J. Meier, R. Tscharner, A. Shah,
“Properties of Very High Frequency Plasmas related to Technological Aspects of Amorphous Silicon Deposition”,
Proceedings of the 11th EC Photovoltaic Solar Energy Conference, Montreux, October 1992,pp. 76-79;
140 R. Flückiger, J. Meier, H. Keppner, U. Kroll, A. Shah, O. Greim, M. Morris, J. Pohl, P. Hapke, R. Carius,
“Microcrystalline Silicon prepared with the Very High Frequency Glow Discharge Technique for p-i-n Solar Cell Application”,
Proceedings of the 11th EC Photovoltaic Solar Energy Conference, Montreux, October 1992,pp. 617-620;
141 N. Wyrsch, H. Keppner, N. Pellaton, Y. Ziegler, A. Shah,
“Non Uniform Degradation of a-Si:H Solar Cells”,
Proceedings of the 11th EC Photovoltaic Solar Energy Conference, Montreux, October 1992,pp. 742-745;
142 J.M. Dubois, G. Wileke, K. Prasad, O. Blenk, A. Shah, E. Bucher,
“Hall Effect Studies on VHF-prepared GD µc-Si thin Films”,
Proceedings of the 11th EC Photovoltaic Solar Energy Conference, Montreux, October 1992,pp. 718-721;
143 F. Finger, R. Carius, P. Haple, K. Prasad, R. Flückiger,
“Microcrystalline Silicon prepared by VHF-GD: Structure, Transport and Optical Properties”
Proceedings of the MRS Symp., Boston, December 1992, vol. 283, pp 471-476;
144 W. Zimmermann-Edling, R. Wiesendanger, F. Finger, K. Prasad, A. Shah
“STM on Doped and Undoped Hydrogenated Amorphous and Microcrystalline Silicon Films”
Ultramicroscopy, 1992, Vol. 42, pp 1398-1402;