UNINOVA-Instituto de Desenvolvimento de Novas Tecnologias

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2002

Characterization of aluminium doped zinc oxide thin films deposited on polymeric substrates

Fortunato, E., Nunes, P., Costa, D., Brida, D., Ferreira, I. & Martins, R., Jan 2002, In : Vacuum. 64, 3-4, p. 233-236 4 p.

Research output: Contribution to journalArticle

51 Citations (Scopus)
Open Access
47 Citations (Scopus)

Effect of different dopant elements on the properties of ZnO thin films

Nunes, P., Fortunato, E. M. C., Tonello, P. M. N., Braz Fernandes, F. M., Vilarinho, P. & Martins, R. F. D. P., 1 Jan 2002, In : Vacuum. 64, 3-4, p. 281-285 5 p.

Research output: Contribution to journalArticle

Open Access
318 Citations (Scopus)

Engineering of a-Si: H device stability by suitable design of interfaces

Martins, R., Ferreira, I., Águas, H., Silva, V., Fortunato, E. & Guimarães, L., May 2002, In : Solar Energy Materials and Solar Cells. 73, 1, p. 39-49 11 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Fractional discrete-time signal processing: Scale conversion and linear prediction

Ortigueira, M. D., Matos, C. J. C. & Piedade, M. S., Jul 2002, In : Nonlinear Dynamics. 29, 1-4, p. 173-190 18 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Highly conductive/transparent ZnO: Al thin films deposited at room temperature by rf magnetron sputtering

Fortunato, E., Nunes, P., Marques, A., Costa, D., Águas, H., Ferreira, I., Costa, M. E. V. & Martins, R., 2002, In : Bioceramics 18, Pts 1 And 2. 230-232, p. 571-574 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Hot-wire plasma assisted chemical vapor deposition: A deposition technique to obtain silicon thin films

Ferreira, I., Fortunato, E., Martins, R. & Vilarinho, P., 1 Feb 2002, In : Journal Of Applied Physics. 91, 3, p. 1644-1649 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Influence of a DC grid on silane r.f. plasma properties

Águas, H., Fortunato, E. & Martins, R., Jan 2002, In : Vacuum. 64, 3-4, p. 387-392 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Metal-ferroelectric thin film devices

Kholkin, A. L., Martins, R., Águas, H., Ferreira, I., Silva, V., Smirnova, O. A., Costa, M. E. V., Vilarinho, P. M., Fortunato, E. & Baptista, J. L., Apr 2002, In : Journal of Non-Crystalline Solids. 299-302, PART 2, p. 1311-1315 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

New insights on large area flexible position sensitive detectors

Brida, D., Fortunato, E., Águas, H., Silva, V., Marques, A., Pereira, L., Ferreira, I. & Martins, R., Apr 2002, In : Journal of Non-Crystalline Solids. 299, 302, p. 1272-1276 5 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Performance of a-Six: C1-x:H Schottky barrier and pin diodes used as position sensitive detectors

Cabrita, A., Figueiredo, J., Pereira, L., Silva, V., Brida, D., Fortunato, E. & Martins, R., Apr 2002, In : Journal of Non-Crystalline Solids. 299-302, 302, p. 1277-1282 6 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Performances presented by zinc oxide thin films deposited by r.f. magnetron sputtering

Nunes, P., Costa, D., Fortunato, E. M. C. & Martins, R. F. D. P., 1 Jan 2002, In : Vacuum. 64, 3-4, p. 293-297

Research output: Contribution to journalArticle

Open Access
115 Citations (Scopus)
2001
Open Access
7 Citations (Scopus)
Open Access
1 Citation (Scopus)

Effect of deposition conditions upon gas sensitivity of zinc oxide thin films deposited by spray pyrolysis

Nunes, P., Fortunato, E., Vilarinho, P. & Martins, R., 2001, In : Solid State Phenomena. 80-81, p. 151-154 4 p.

Research output: Contribution to journalArticle

Fast and cheap method to qualitatively measure the thickness and uniformity of ZrO2 thin films

Águas, H., Marques, A. J. S., Martins, R. & Fortunato, E., 6 Feb 2001, In : Materials Science in Semiconductor Processing. 4, 1-3, p. 319-321 3 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
Open Access
3 Citations (Scopus)
1 Citation (Scopus)
Open Access
3 Citations (Scopus)

Nanostructured silicon films produced by PECVD

Martins, R., Águas, H., Silva, V., Ferreira, I., Cabrita, A. & Fortunato, E., 2001, In : MRS Proceedings. 664, p. A961-A966 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

New steps to improve a-Si: H device stability by design of the interfaces

Martins, R., Ferreira, I., Cabrita, A., Águas, H., Silva, V. & Fortunato, E., Mar 2001, In : Advanced Engineering Materials. 3, 3, p. 170-173 4 p.

Research output: Contribution to journalArticle

Role of ion bombardment and plasma impedance on the performances presented by undoped a-Si: H films

Martins, R., Águas, H., Ferreira, I., Silva, V., Cabrita, A. & Fortunato, E., 15 Feb 2001, In : THIN SOLID FILMS. 383, 1-2, p. 165-168 4 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
16 Citations (Scopus)

Silicon films produced by PECVD under powder formation conditions

Martins, R., Águas, H., Silva, V., Ferreira, I., Cabrita, A. & Fortunato, E., 2001, In : Materials Science Forum. 382, p. 21-28 8 p.

Research output: Contribution to journalArticle

Thin film position sensitive detectors based on pin amorphous silicon carbide structures

Cabrita, A., Figueiredo, J., Pereira, L., Águas, H., Silva, V., Brida, D., Ferreira, I., Fortunato, E. & Martins, R., 12 Dec 2001, In : Applied Surface Science. 184, 1-4, p. 443-447 5 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2000

A three-path model for visible/near infrared μc-Si: H p-i-n detectors

Vieira, M., Fantoni, A., Fernandes, M. & Schwarz, R., 1 May 2000, In : Journal of Non-Crystalline Solids. 266-269 B, p. 1223-1227 5 p.

Research output: Contribution to journalArticle

Flexible large area thin film position sensitive detectors

Fortunato, E., Ferreira, I., Giuliani, F. & Martins, R., 15 Nov 2000, In : Sensors And Actuators A-Physical. 86, 3, p. 182-186 5 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Improvement of a-Si: H device stability and performances by proper design of the interfaces

Martins, R., Ferreira, I., Cabrita, A. & Fortunato, E., 1 May 2000, In : Journal of Non-Crystalline Solids. 266-269 B, p. 1094-1098 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Large area flexible amorphous silicon position sensitive detectors

Fortunato, E. M. C., Brida, D., Ferreira, I. M. M., Águas, H. M. B., Nunes, P., Cabrita, A., Giuliani, F., Nunes, Y., Maneira, M. J. P. & Martins, R. F. P., 2000, In : MRS Proceedings. 609, p. A1271-A1276 6 p.

Research output: Contribution to journalArticle

New nanostructured silicon films grown by pecvd technique under controlled powder formation conditions

Martins, R., Ǎguas, H., Cabrita, A., Tonello, P., Silva, V., Ferreira, I., Portunato, E. & Guimares, L., 2000, In : Solar Energy. 69, SUPPLEMENT, p. 263-269 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

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 ion bombardment on the properties of a-Si: H films

Águas, H., Martins, R. & Fortunato, E., 2000, In : Vacuum. 60, 1-2, p. 247-254 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

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

Two step process for the growth of a thin layer of silicon dioxide for tunnelling effect applications

Águas, H., Cabrita, A., Tonello, P., Nunes, P., Fortunato, E. & Martins, R., 2000, In : MRS Proceedings. 619, p. 179-184 6 p.

Research output: Contribution to journalArticle

1999

Role of soldering parameters on the electrical performances presented by Cu-Sn-Cu joints used in power diodes

Martins, R., Ferreira, J. R. D. C., Gonçalves, C., Nunes, P., Fortunato, E., Marvão, A. P. & Martins, J. I., Sep 1999, In : Materials Science And Engineering A-Structural Materials Properties Microst. 288, 2, p. 275-279 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Role of the resistive layer on the performances of 2D a-Si: H thin film position sensitive detectors

Martins, R. & Fortunato, E., 11 Jan 1999, In : THIN SOLID FILMS. 337, 1-2, p. 158-162 5 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)
2 Citations (Scopus)

Thermodynamic properties of ternary aqueous electrolyte solutions

Grigore, L., Meghea, A., Grigore, O. & Martins, R., 1999, In : Physics and Chemistry of Liquids. 37, 4, p. 409-428 20 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Transport properties of μc-Si:H analyzed by means of numerical simulation

Fantoni, A., Vieira, M. & Martins, R., 11 Jan 1999, In : THIN SOLID FILMS. 337, 1-2, p. 109-112 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Visible-infrared spectral response of microcrystalline hydrogenated silicon hetero-junctions

Vieira, M., Maçarico, A., Fantoni, A., Fernandas, M., Koynov, S. & Schwarz, R., 1 Dec 1999, In : Vacuum. 52, 1-2, p. 121-124 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1998

Effect of substrate temperature on the properties of RuO2 films prepared by RF reactive magnetron sputtering

Meng, L. J., Fortunato, E., Nunos, R. & Dos Santos, M. P., 1998, In : Journal of the Korean Physical Society. 32, 4 SUPPL., p. S1835-S1838 4 p.

Research output: Contribution to journalArticle

7 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)
1 Citation (Scopus)

Photochemical sensors based on amorphous silicon thin films

Fortunato, E., Malik, A. & Martins, R., May 1998, In : Sensors And Actuators B-Chemical. B46, 3, p. 202-207 6 p.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)