Projects
Design of multifunctional films from porous thin films (PTDC/CTM/098130/2008)
PartnerFundação para a Ciência e a Tecnologia
film mesoporous mesostructured functionalisationProcessing and characterization of electroactive polymers and composites based on PVDF for microelectronic, sensor and actuator applications (POCI/CTM/59425/2004)
PartnerFundação para a Ciência e a Tecnologia
piezoelectricity sensors and actuators polymers and composites material processing and characterisationStatics and dynamics if hight polarizable ultra-thin films and nano-layered superlattices (PTDC/CTM/64805/2006)
PartnerFundação para a Ciência e a Tecnologia
Filmes finos dieléctricos Superredes em multicamadas nanométricas Estruturas desordenadas e relaxadoras Propriedades dieléctricas e vibracionaisPublications
Electrophoretic Deposition on Nonconducting Substrates: A Demonstration of the Application to Microwave Devices
Vilarinho, PM; Fu, Z; Wu, AY; Axelsson, A; Kingon, AI
2015, LANGMUIR, 31, 7, 2127-2135.
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Activated Solutions Enabling Low-Temperature Processing of Functional Ferroelectric Oxides for Flexible Electronics
Bretos, I; Jimenez, R; Wu, AY; Kingon, AI; Vilarinho, PM; Calzada, ML
2014, ADVANCED MATERIALS, 26, 9, 1405-1409.
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Critical Role of Suspension Media in Electrophoretic Deposition: The Example of Low Loss Dielectric BaNd2Ti5O14 Thick Films
Vilarinho, PM; Fu, Z; Wu, AY; Kingon, AI
2013, JOURNAL OF PHYSICAL CHEMISTRY B, 117, 6, 1670-1679.
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Sol-gel synthesis and electrical characterization of Bi3.25La0.75Ti3O12 thin films
Wu, AY; Soares, MR; Salvado, IMM; Vilarinho, PM
2012, MATERIALS RESEARCH BULLETIN, 47, 11, 3819-3824.
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Al2TeO6: Mechanism of phase formation and dielectric properties
Su, XM; Wu, AY; Vilarinho, PM
2012, SCRIPTA MATERIALIA, 67, 12, 927-930.
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Nanoporous Piezo- and Ferroelectric Thin Films
Ferreira, P; Hou, RZ; Wu, AY; Willinger, MG; Vilarinho, PM; Mosa, J; Laberty-Robert, C; Boissiere, C; Grosso, D; Sanchez, C
2012, LANGMUIR, 28, 5, 2944-2949.
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Magnetic Anomaly and Dielectric Tunability of (Sr,Mn)TiO3 Thin Films
Tkach, A; Okhay, O; Wu, AY; Vilarinho, PM; Bedanta, S; Shvartsman, VV; Borisov, P
2012, FERROELECTRICS, 426, 274-281.
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Triethanolamine as an Additive in the Electrophoretic Deposition of TiTe3O8 Thick Films
Su, XM; Wu, AY; Vilarinho, PM
2012, ELECTROPHORETIC DEPOSITION: FUNDAMENTALS AND APPLICATIONS IV, 507, 27-34.
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Protein adsorption on piezoelectric poly(L-lactic) acid thin films by scanning probe microscopy
Barroca, N; Vilarinho, PM; Daniel-da-Silva, AL; Wu, AY; Fernandes, MH; Gruverman, A
2011, APPLIED PHYSICS LETTERS, 98, 13.
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Sol-gel silica hybrid biomaterials for application in biodegradation of toxic compounds
Chernev, G; Rangelova, N; Djambazki, P; Nenkova, S; Salvado, I; Fernandes, M; Wu, AY; Kabaivanova, L
2011, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 58, 3, 619-624.
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Surface charging or templating by carbonaceous substances to broaden the adsorption performance of clinoptilolite-rich tuff.
In Władysław Rudziński (Eds.), ANNALES
Chmielewská E, Sabová L, Wu A, Aranyosiová M, Velic D
2007, 35-48, Lublin, Polónia, Universitatis Maria e Curie - Sklodowska .
ISBN:
0137-6853
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Piezoelectric Thick Film Composites: Processing and Applications
Recent Research Developments in Materials Science
Kholkin A L, Wu A, Vilarnho PM
2004, 5, 1-24, Korela India, Research Signpost Publisher.
ISBN:
81-7736-203-8
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Patents
Method for the preparation at low temperatures of ferroelectric thin films, the ferroelectric thin films thus obtained and their applications
Processes InternationalNational
Vilarinho, Paula ; Wu, Aiying; Calzada, Maria; Rioboo, Ricardo; Bretos, Ignos
A processing technology for the fabrication at low temperatures of ferroelectric crystalline oxide thin films, among others PbZrxTi1-xO3 (PZT) (<400 ºC for PZT) with ferroelectric properties appropriate for integration in devices is herein disclosed. The method is also valid for the fabrication of ferroelectric thin film...Process for obtaining thin films of barium and strontium titanate at low temperatures by sol-gel and high tunable dielectric permittivity
Processes National
Vilarinho, Paula; Wu, Aiying; Gao, Jie
The present invention relates to a new process for obtaining thin films of dielectric, piezoelectric and ferroelectric materials at low temperatures, crystalline, dense and with optimized electrical properties, in particular barium and strontium titanate, BST, at low temperatures, 600 °C. Conventional sol gel solutions are mixed...Production of thick ceramic composite films via sol gel solutions sedimentation and infiltration
Processes National
Vilarinho, Paula; Wu, Aiying; Kholkin, Andrei
The present invention relates to a method for producing ceramic composite thick films of a thickness above 50 microns on a selected group of substrates at temperatures below 600 degrees Celsius, for piezoelectric applications.Sol-gel solutions are mixed with up to about 90% by weight of powder particles (ceramic or single cr...Tunable dielectric composite and method for the production thereof
Materials InternationalNational
Dielétrico compósito sintonizável e processo de fabrico
The present invention relates to composite dielectric materials with low dielectric losses and high tunability of the relative dielectric permittivity, in the form of thick films to be used and integrated in circuits, as passive components of tunable devices, for application at radio and microwave frequencies, and methods for the produc...