100 F. Finger, K. Prasad, S. Dubail, A. Shah, X.-M. Tang, J. Weber, W. Beyer
"Influence of Doping on the Structural Properties of Microcrystalline Silicon prepared with the VHF-GD Technique at low Deposition Temperatures",
Proceedings of the MRS Symp., Anaheim CA, April 1991,vol. 219, pp. 383-388;

101 K. Prasad, U. Kroll, F. Finger, A. Shah, J-L. Dorier, A. Howling, J. Baumann, M. Schubert,
"Highly Conductive Microcrystalline Silicon Layers for Tunnel Junctions in Stacked Amorphous Silicon based Solar Cells",
Proceedings of the MRS Symp., Anaheim CA, April 1991, vol. 219, pp. 469-474;

102 J. Meier, G. Kragler, G. Willeke, E. Bucher , H. Keppner, D. Fischer, V. Viret, A. V. Shah,
"Open Circuit Voltage Enhancement in MIS Solar Cells by Thin Plasma-Grown Tunneling Oxides",
Proceedings of the 10th EC Photovoltaic Solar Energy Conference, Lisbon, April 1991, pp. 192-195;

103 A. A. Howling, Ch. Hollenstein, J.-L. Dorier, P. Paris, M. Favre,
"Diagnostics of very high Frequency Silane Plasmas"
Proceedings of the 10th EC Photovoltaic Solar Energy Conference, Lisbon, April 1991,pp. 169-172;

104 M. Vanecek, J. Holoubek, A.V. Shah, M. Brechet, A. Mettler,
"Microstructure and Stability of VHF-GD Amorphous Silicon under Illumination"
Proceedings of the 10th EC Photovoltaic Solar Energy Conference, Lisbon, April 1991, pp. 196-200;

105 D. Fischer, H.Keppner, F.Finger, K.Prasad, A.V. Shah,
"VHF Plasm Deposition for Low-Cost Solar Cells",
Proceedings of the 10th EC Photovoltaic Solar Energy Conference, Lisbon, April 1991,pp. 201-204;

106 H.Keppner, P. Chabloz, D. Fischer, A. Mettler, R. Tscharner, A.V. Shah, Ch. Rossier,
"Continuous Monitoring of VHF-GD Deposited pin Solar Cells during Uniform Degradation till Saturation",
Proceedings of the 10th EC Photovoltaic Solar Energy Conference, Lisbon, April 1991, pp.205-207;

107 G. Willeke, R. Fischer, E. Bucher, K. Prasad, A.V.Shah,
"A Photoemission Study of gdµc-Si",
Proceedings of the 10th EC Photovoltaic Solar Energy Conference, Lisbon, April 1991,pp. 135-138;

108 A. A. Howling, Ch. Hollenstein, P.-J. Paris, F. Finger, U. Kroll
"Power Transfer Measurments in VHF-Plasmas"
Proceedings of the 20th ICPIG Conference, Pisa, July 1991, pp. 1089-1090;

109 X.-M. Tang, J. Weber, Y. Baer, F. Finger,
"The Dispersive Diffusion of Hydrogen in Undoped a-Si:H"
Physica B 170, 1991, pp. 146-148;

110 K. Prasad, F. Finger, S. Dubail, A. Shah, M. Schubert,
"Deposition of Phosphorus Doped Microcrystalline Silicon below 70°C at 70 MHz",
Proceedings of the 14th International Conference on Amorphous Semiconductors (ICAS), Garmisch-Partenkirchen, August 1991, published in Journal of Non-Crystalline Solids, 1991, vol. 137&138, pp. 681-685;

111 M. Favre, A. Shah, J. Hubin, E. Bustarret, M.A. Hachicha, S. Basrour,
"Nature of Deep Defects in Bulk VHF-GD a-Si:H"
Proceedings of the 14th International Conference on Amorphous Semiconductors (ICAS), Garmisch-Partenkirchen, August 1991, published in Journal of Non-Crystalline Solids, 1991, vol. 137&138, pp. 335-339;

112 E. Bustarret, M. Brandt, M. Stutzmann, M. Favre
"Explosive isothermal Hydrogen Exodiffusion in VHF-GD a-Si:H thick layers"
Proceedings of the 14th International Conference on Amorphous Semiconductors (ICAS), Garmisch-Partenkirchen, August 1991, published in Journal of Non-Crystalline Solids, 1991, vol. 137&138, pp. 53-57;

113 N. Wyrsch, A.V.Shah,
"Depth Profiles of Mobility Lifetime Products and Capture Cross-Sections of Dangling Bonds in a-Si:H",
Proceedings of the 14th International Conference on Amorphous Semiconductors (ICAS), Garmisch-Partenkirchen, August 1991, published in Journal of Non-Crystalline Solids, 1991, vol. 137&138, pp. 431-435;

114 N. Wyrsch, F. Finger, T.J. McMahon, M. Vanecek,
"How to reach More Precise Interpretation of Subgap Absorption Spectra in Terms of Deep Defect Density in a-Si:H",
Proceedings of the 14th International Conference on Amorphous Semiconductors (ICAS), Garmisch-Partenkirchen, August 1991, published in Journal of Non-Crystalline Solids, 1991, vol. 137&138, pp. 347-351

115 E.Sauvain, A. Shah, J. Hubin, P. Pipoz,
"Effect of Dangling Bond Charge on Ambipolar Transport Measurements in a-Si:H",
Proceedings of the 14th International Conference on Amorphous Semiconductors (ICAS), Garmisch-Partenkirchen, August 1991, published in Journal of Non-Crystalline Solids, 1991, vol. 137&138, pp. 475-479;

116 E.Sauvain, J. Hubin, A. Shah, P. Pipoz,
"Effect of Dangling Bond Charge on the Ambipolar Diffusion Length in a-Si:H",
Phil. Mag. Lett. 1991, Vol.63 (6), pp. 327-333

117 N. Wyrsch, A.Shah,
"Drift Mobility and Staebler-Wronski Effect in Hydrogenated Amorphous Silicium"
Solid state comm. 1991, Vol. 80 (10), pp. 807-809;

118 M. Vanecek, J. Holoubek, A. Shah,
"Optical Study of Microvoids and Local Inhomogeneities in Amorphous Silicon",
Appl. Phys. Lett., October 1991, Vol. 59 (18), pp. 2237-2239;