On-chip array of thermoelectric peltier microcoolers (2008)
Goncalves, L. M., Rocha, J. G., Couto, Carlos, Alpuim, P., Correia, J. H.
This article reports on the theoretical modelling, the Finite Element Modelling (FEM) simulation, the fabrication process and preliminary results of the first on-chip thermoelectric microcooler array...
Thermoelectric micro converters for cooling and energy scavenging systems (2007)
Gonçalves, L. M., Silva, A. F., Alpuim, P., Rocha, R. P., Correia, J. H., Couto, Carlos, ...
This paper describes the fabrication process of thermoelectric microconverters, based on n-type bismuth telluride (Bi2Te3) and p-type antimony telluride (Sb2Te3) thin films. Materials are fabricated...
Hot-wire chemical vapour deposition and characterization of silicon nitride membranes (2007)
Gonçalves, L. M., Alpuim, P., Filonovich, Sergey, Viseu, T. M. R., Lanceros-Mendez, S.
On chip thermoelectric microcoolers (2006)
Gonçalves, L. M., Rocha, J. G., Couto, Carlos, Alpuim, P., Min, Gao, Rowe, D. M., ...
The present work reports the fabrication and characterization of a planar Peltier microcooler on a flexible substrate. The microcooler was fabricated on flexible Kapton© polyimide substrate, 12 µm...
Flexible thin-film planar peltier microcooler (2006)
Gonçalves, L. M., Couto, Carlos, Correia, J. H., Alpuim, P., Min, Gao, Rowe, D. M.
The present work reports on the fabrication and characterization of the first planar Peltier microcooler on a flexible substrate. The microcooler was fabricated on flexible Kapton© polyimide...
Thermoelectric properties of Bi2Te3 / Sb2Te3 thin films (2006)
Gonçalves, L. M., Couto, Carlos, Alpuim, P., Rowe, D. M., Correia, J. H.
The deposition and characterization of n-type Bi2Te3 and p-type Sb2Te3 semiconductor films are reported. The films were deposited by thermal co-evaporation on a 25 µm thick polyimide (kapton)...
Alpuim, P., Ribeiro, M., Filonovich, Sergey
This paper studies the deposition of thin silicon films from silane on plastic substrates in a recently build hot-wire chemical vapor deposition reactor. Hydrogen dilution of silane was used to...
Gonçalves, L. M., Alpuim, P., Rowe, D. M., Correia, J. H., Couto, Carlos, Gao Min
The optimization of the deposition process for n-type Bi2Te3 and p-type Sb2Te3 semiconductor thin films for thermoelectric applications is reported. The films were deposited on a 25 μm thick...
Thermoelectric microstructures of Bi2Te3/Sb2Te3 for a self-calibrated micropyrometer (2005)
Gonçalves, L. M., Couto, Carlos, Correia, J. H., Alpuim, P., Rowe, D. M.
The fabrication of thermopiles suitable for thermoelectric cooling and energy generation using Bi2Te3 and Sb2Te3 as n- and p-type layers, respectively, is reported. The thin-film thermoelectric...
Thermoelectric microstructures of Bi2Te3/Sb2Te3 for a self-calibrated micropyrometer (2005)
Gonçalves, L. M., Alpuim, P., Couto, Carlos, Rowe, D. M., Correia, J. H.
The fabrication (using planar thin-film technology) of Bi2Te3 and Sb2Te3 microstructures, with high thermoelectric figure of merit, suitable for incorporation in Peltier elements and thermopiles, is...
Thermoelectric Properties of Bi2Te3 / Sb2Te3 Thin Films (2005)
Gonçalves, L. M., Couto, Carlos, Correia, J. H., Alpuim, P., Rowe, D. M.
This presentation reports the deposition and characterization of n-type Bi2Te3 and p-type Sb2Te3 semiconductor films by thermal co-evaporation method. Power factors of 4.6×10-3 Wm-1K-2 and 1.3×10-3...
Alpuim, P., Chu, V., Conde, J. P.
The gas phase doping of hydrogenated amorphous silicon and hydrogenated nanocrystalline silicon thin films deposited on glass and on plastic (polyethylene terephthalate) substrates is reported. Two...
Electronic transport in low-temperature silicon nitride (2002)
Alpuim, P., Ferreira, P., Chu, V., Conde, J. P.
Perpendicular current transport through thin silicon nitride films deposited at 100 degreesC by radio frequency chemical vapor deposition (RF) is measured between patterned square contacts with side...
Alpuim, P., Chu, V, Conde, J. P.
The gas phase doping of amorphous (alpha -Si:H) and microcrystalline (muc-Si:H) silicon thin films deposited at substrate temperatures of 25 degreesC and 100 degreesC by hot-wire chemical vapor...
Alpuim, P., Chu, V., Conde, J. P.
Amorphous and microcrystalline silicon films were deposited by radio-frequency plasma enhanced chemical vapor deposition (rf-PECVD) and hot-wire chemical Vapor deposition (HW-CVD) on plastic...