Modeling a Linear Electric Molten Zone in a Silicon Ribbon
PROGRESS IN PHOTOVOLTAICS, 17, 365-371 9 2009
M. C. Brito , Ana Amaral , J. Maia Alves , Joao Serra , Ivo Costa , A. M. Vallera

The silicon on dust substrate path to make solar cells directly from a gaseous feedstock
SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 24, 4 2009
Joao Serra , C. R. Pinto , J. A. Silva , M. C. Brito , J. Maia Alves , A. M. Vallera

Sprayed boric acid as a dopant source for silicon ribbons
SOLAR ENERGY MATERIALS AND SOLAR CELLS, 91, 1948-1953 12 2007
J. A. Silva , M. C. Brito , I. Costa , J. Maia Alves , Joao Serra , A. M. Vallera

Linear electric molten zone in semiconductors
APPLIED PHYSICS LETTERS, 90, 6 2007
Antnio M. Vallera , Jorge Maia Alves , Joao Serra , M. C. Brito , R. M. Gamboa

Measurement of residual stress in EFG ribbons using a phase-shifting IR photoelastic method
SOLAR ENERGY MATERIALS AND SOLAR CELLS, 87, 311-316 5 2005
MC Brito , JM Alves , Joao Serra , RM Gamboa , C Pinto , AM Vallera

Measurement of residual stress in multicrystalline silicon ribbons by a self-calibrating infrared photoelastic method
REVIEW OF SCIENTIFIC INSTRUMENTS, 76, 1 2005
MC Brito , JP Pereira , JM Alves , Joao Serra , AM Vallera

A differential mechanical profilometer for thickness measurement
REVIEW OF SCIENTIFIC INSTRUMENTS, 75, 5362-5363 12 2004
JM Alves , MC Brito , Joao Serra , AM Vallera

A wave lab insude a coaxial cable
EUROPEAN JOURNAL OF PHYSICS, 25, 581-591 9 2004
Joao Serra , MC Brito , JM Alves , AM Vallera

Silicon tubes by a closed molten zone: a characterisation study
SOLAR ENERGY MATERIALS AND SOLAR CELLS, 72, 173-181 4 2002
RM Gamboa , MC Brito , Joao Serra , JM Alves , AM Vallera

Silicon sheet from silane: first results
SOLAR ENERGY MATERIALS AND SOLAR CELLS, 72, 209-217 4 2002
CR Pinto , RC Gamboa , JC Henriques , Joao Serra , JM Alves , AM Vallera

Photodefined etching of n+ layers diffused on p-type silicon substrates
APPLIED SURFACE SCIENCE, 138, 29-34 1 1999
RS Videira , RM Gamboa , JM Alves , Joao Serra , AM Vallera

Patterned surfaces in p-type silicon by photodefined etching
APPLIED SURFACE SCIENCE, 138, 330-334 1 1999
MC Martins , RM Gamboa , JM Alves , Joao Serra , AM Vallera

Thin-film characterization for high-temperature applications
INTERNATIONAL JOURNAL OF THERMOPHYSICS, 19, 1253-1265 7 1998
M J V Lourenco , Joao Serra , MR Nunes , AM Vallera , CA Nieto de Castro

Optical absorption coefficient of polycrystalline silicon with very high oxygen content
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 36, 73-76 1 1996
Joao Serra , R. M. Gamboa , AM Vallera

Oxygen redistribution during diffusion in thin silicon layers
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 36, 175-178 1 1996
Joao Serra , AM Vallera

LARGE-AREA ZINC SHEET SINGLE-CRYSTALS
JOURNAL OF MATERIALS SCIENCE LETTERS, 10, 377-378 4 1991
Joao Serra , AM Vallera