• 4467 Citations
  • 36 h-Index
1988 …2020

Research output per year

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Research Output at NOVA

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Article
2000

N-type silicon films produced by hot wire technique

Ferreira, I. M. M., Cabrita, A. M. F., Fortunato, E. M. C. & Martins, R. F. P., 2000, In : MRS Proceedings. 609, p. A651-A656 6 p.

Research output: Contribution to journalArticle

Role of the gas temperature and power to gas flow ratio on powder and voids formation in films grown by PECVD technique

Martins, R., Silva, V., Ferreira, I., Domingues, A. & Fortunato, E., Jan 2000, In : Vacuum. 56, 1, p. 25-30 6 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)
6 Citations (Scopus)

Towards the improvement of the stability of a-Si:H pin devices

Martins, R., Aguas, H., Ferreira, I., Fortunato, E. & Guimares, L., 1 Dec 2000, In : Solar Energy. 69, SUPPLEMENT, p. 257-262 6 p.

Research output: Contribution to journalArticle

1999
3 Citations (Scopus)

New metallurgical systems for electronic soldering applications

Gonçalves, C., Ferreira, J., Fortunato, E., Ferreira, I., Martins, R., Marvão, A. P., Martins, J. I., Harder, T. & Oppelt, R., 20 Apr 1999, In : Sensors And Actuators A-Physical. 74, 1, p. 70-76 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Performances of a-Si: H films produced by hot wire plasma assisted technique

Martins, R., Ferreira, I., Fernandas, B. & Fortunato, E., 1999, In : Vacuum. 52, 1-2, p. 203-208 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Performances of nano/amorphous silicon films produced by hot wire plasma assisted technique

Ferreira, I., Aguas, H., Mendes, L., Fernandes, F., Fortunato, E. & Martins, R., 1999, In : MRS Proceedings. 507, p. 607-612 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
1998

Amorphous silicon sensors: From photo to chemical detection

Fortunato, E., Malik, A., Sêco, A., Ferreira, I. & Martins, R., May 1998, In : Journal of Non-Crystalline Solids. 227-230, PART 2, p. 1349-1353 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Investigation of the amorphous to microcrystalline phase transition of thin film silicon produced by PECVD

Martins, R., Maçarico, A., Ferreira, I., Nunes, R., Bicho, A. & Fortunato, E., 1 Apr 1998, In : THIN SOLID FILMS. 317, 1-2, p. 144-148 5 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
12 Citations (Scopus)
1997

Highly conductive and highly transparent n-type microcrystalline silicon thin films

Martins, R., Maçarico, A., Ferreira, I., Nunes, R., Bicho, A. & Fortunato, E., 15 Jul 1997, In : THIN SOLID FILMS. 303, 1-2, p. 47-52 6 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)
8 Citations (Scopus)

Role of the gas flow parameters on the uniformity of films produced by PECVD technique

Martins, R., Macarico, A., Ferreira, I. & Fortunato, E., 1997, In : MRS Proceedings. 467, p. 609-614 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
7 Citations (Scopus)
1996

Correlation between electrical-optical and structural properties of microcrystalline silicon N type films

Martins, R., Macarico, A., Ferreira, I., Nunes, R., Bicho, A. & Fortunato, E., 1996, In : MRS Proceedings. 420, p. 807-812 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
4 Citations (Scopus)
1995
8 Citations (Scopus)
1 Citation (Scopus)
1994

Engineering of the energy coupling in PECVD systems used to produce large area a-Si:H coatings

Martins, R. & Ferreira, I., 1994, In : Vacuum. 45, 10-11, p. 1107-1108 2 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
1991

Engineering of plasma deposition systems used for producing large area a-Si:H devices

Martins, R., Ferreira, I., Carvalho, N. M. & Guimarães, L., 1991, In : Journal of Non-Crystalline Solids. 137-138, PART 2, p. 757-760 4 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
1989

Electron paramagnetic resonance of defects in doped microcrystalline silicon

Lavado, M., Martins, R., Ferreira, I., Lavareda, G., Fortunato, E., Vieira, M. & Guimarães, L., 1989, In : Vacuum. 39, 7-8, p. 791-794 4 p.

Research output: Contribution to journalArticle

Transport in μc-Six: Cy:Oz:H films prepared by a TCDDC system

Martins, R., Willeke, G., Fortunato, E., Ferreira, I., Vieira, M., Santos, M., Maçarico, A. & Guimarães, L., 2 Dec 1989, In : Journal of Non-Crystalline Solids. 114, PART 2, p. 486-488 3 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Tunneling in vertical μcSi/aSixCyOz: H/μcSi heterostructures

Fortunato, E., Martins, R., Ferreira, I., Santos, M., Maçarico, A. & Guimarães, L., 3 Dec 1989, In : Journal of Non-Crystalline Solids. 115, 1-3, p. 120-122 3 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)