• 4467 Citations
  • 36 h-Index
1988 …2020

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Research Output at NOVA

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Article
2004

Zinc oxide as an ozone sensor

Martins, R. F. D. P., Fortunato, E. M. C., Nunes, P., Ferreira, I. & Marques, A., 26 Jul 2004, In : Journal Of Applied Physics. 96, 3, p. 1398-1408

Research output: Contribution to journalArticle

Open Access
181 Citations (Scopus)
5 Citations (Scopus)
2003

Combining HW-CVD and PECVD techniques to produce a-Si: H films

Ferreira, I., Fortunato, E. & Martins, R., 3 Mar 2003, In : THIN SOLID FILMS. 427, 1-2, p. 231-235 5 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

From porous to compact films by changing the onset conditions of HW-CVD process

Ferreira, I., Costa, M. E. V., Fortunato, E. & Martins, R., 3 Mar 2003, In : THIN SOLID FILMS. 427, 1-2, p. 225-230 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Gallium zinc oxide coated polymeric substrates for optoelectronic applications

Fortunato, E., Gonçalves, A., Marques, A., Assunção, V., Ferreira, I., Águas, H., Pereira, L. & Martins, R., 2003, In : MRS Proceedings. 769, p. 291-296 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Growth of ZnO: Ga thin films at room temperature on polymeric substrates: Thickness dependence

Fortunato, E., Gonçalves, A., Assunção, V., Marques, A., Águas, H., Pereira, L., Ferreira, I. & Martins, R., 1 Oct 2003, In : THIN SOLID FILMS. 442, 1-2, p. 121-126 6 p.

Research output: Contribution to journalArticle

101 Citations (Scopus)

Influence of the deposition pressure on the properties of transparent and conductive ZnO: Ga thin-film produced by r.f. sputtering at room temperature

Assunção, V., Fortunato, E., Marques, A., Águas, H., Ferreira, I., Costa, M. E. V. & Martins, R., 3 Mar 2003, In : THIN SOLID FILMS. 427, 1-2, p. 401-405 5 p.

Research output: Contribution to journalArticle

279 Citations (Scopus)
37 Citations (Scopus)

New challenges on gallium-doped zinc oxide films prepared by r.f. magnetron sputtering

Assunção, V., Fortunato, E., Marques, A., Gonçalves, A., Ferreira, I., Águas, H. & Martins, R., 1 Oct 2003, In : THIN SOLID FILMS. 442, 1-2, p. 102-106 5 p.

Research output: Contribution to journalArticle

91 Citations (Scopus)

Polymorphous silicon films deposited at 27.12 MHz

Martins, R., Águas, H., Ferreira, I., Fortunato, E., Lebib, S., Roca I Cabarrocas, P. & Guimarães, L., 1 Dec 2003, In : Chemical Vapor Deposition. 9, 6, p. 333-337 5 p.

Research output: Contribution to journalArticle

Open Access
13 Citations (Scopus)
2002

32 Linear array position sensitive detector based on NIP and hetero a-Si: H microdevices

Martins, R., Figueiredo, J., Silva, V., Águas, H., Soares, F., Marques, A., Ferreira, I. & Fortunato, E., Apr 2002, In : Journal of Non-Crystalline Solids. 299-302, PART 2, p. 1283-1288 6 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

a-Si : H interface optimisation for thin film position sensitive detectors produced on polymeric substrates

Pereira, L. M. N., Brida, D., Fortunato, E. M. C., Ferreira, I. M. M., Águas, H. M. B., Silva, V., Costa, M. F. M., Teixeira, V. & Martins, R. F. D. P., Apr 2002, In : Journal of Non-Crystalline Solids. 299-302, PART 2, p. 1289-1294 6 p.

Research output: Contribution to journalArticle

Open Access
15 Citations (Scopus)

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
11 Citations (Scopus)
8 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)

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)

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)
Open Access
9 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)

Optical and photoelectric properties of PZT films for microelectronic applications

DCM Group Author, Fortunato, E. M. C., Martins, R. F. D. P. & Ferreira, I. M. M., 1 Jan 2002, In : Bioceramics 18, Pts 1 And 2. 230-2, NA, p. 563-566

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Silicon nanostructure thin film materials

Martins, R., Águas, H., Silva, V., Ferreira, I., Cabrita, A. & Fortunato, E., Jan 2002, In : Vacuum. 64, 3-4, p. 219-226 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Transparent, conductive ZnO : Al thin film deposited on polymer substrates by RF magnetron sputtering

Fortunato, E. M. C., Nunes, P., Marques, A., Costa, D., Águas, H. M. B., Ferreira, I. M. M., Costa, M. E. V., Godinho, M. H. F., Almeida, P. L., Borges, J. P. M. R. & Martins, R. F. D. P., 1 Mar 2002, In : Surface & Coatings Technology. 151-152, NA, p. 247-251 5 p.

Research output: Contribution to journalArticle

Open Access
61 Citations (Scopus)
2001

Characterization of zinc oxide thin films deposited by rf magnetron sputtering on Mylar substrates

Fortunato, E., Nunes, P., Marques, A., Costa, D., Águas, H., Ferreira, I., Costa, M. E. V. & Martins, R., 2001, In : MRS Proceedings. 666, p. F3211-F3216 6 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (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

Porous silicon thin film gas sensor

Ferreira, I., Fortunato, E. & Martins, R. F. D. P., 2001, In : MRS Online Proceedings Library. 664, p. 2671-2676 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

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 carbide photodiodes: Schottky and PINIP structures

Cabrita, A. M. F., Pereira, L., Brida, D., Lopes, A. A. S., Marques, A. J. S., Ferreira, I., Fortunato, E. & Martins, R., 12 Dec 2001, In : Applied Surface Science. 184, 1-4, p. 437-442 6 p.

Research output: Contribution to journalArticle

5 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

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

Nanocrystalline undoped silicon films produce by hot wire plasma assisted technique

Ferreira, I. M. M., Martins, R. F. D. P., Cabrita, A. M. F., Fortunato, E. M. C. & Vilarinho, P., 2000, In : MRS Proceedings. 609, p. A2241-A2246 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

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)