Silvania Lanfredi
Silvania Lanfredi
Professor Assistente Doutor, Universidade Estadual Paulista, Faculdade de Ciências e Tecnologia
Verified email at fct.unesp.br
Title
Cited by
Cited by
Year
Impedance spectroscopy study of the electrical conductivity and dielectric constant of polycrystalline
S Lanfredi, ACM Rodrigues
Journal of applied physics 86 (4), 2215-2219, 1999
1651999
Electric conductivity and relaxation in fluoride, fluorophosphate and phosphate glasses: analysis by impedance spectroscopy
S Lanfredi, PS Saia, R Lebullenger, AC Hernandes
Solid State Ionics 146 (3-4), 329-339, 2002
1432002
Ferroelectric state analysis in grain boundary of ceramic
MAL Nobre, S Lanfredi
Journal of applied physics 93 (9), 5557-5562, 2003
1252003
Dielectric properties of Bi3Zn2Sb3O14 ceramics at high temperature
MAL Nobre, S Lanfredi
Materials Letters 47 (6), 362-366, 2001
1062001
Dielectric spectroscopy on Bi3Zn2Sb3O14 ceramic: an approach based on the complex impedance
MAL Nobre, S Lanfredi
Journal of Physics and Chemistry of Solids 64 (12), 2457-2464, 2003
1042003
Dense ceramics of NaNbO3 produced from powders prepared by a new chemical route
S Lanfredi, L Dessemond, ACM Rodrigues
Journal of the European Ceramic Society 20 (7), 983-990, 2000
1032000
Phase transition in sodium lithium niobate polycrystal: an overview based on impedance spectroscopy
MAL Nobre, S Lanfredi
Journal of Physics and Chemistry of Solids 62 (11), 1999-2006, 2001
972001
Crystallographic properties of KSr2Nb5O15
S Lanfredi, CX Cardoso, MAL Nobre
Materials Science and Engineering: B 112 (2-3), 139-143, 2004
872004
Grain boundary electric characterization of semiconducting ceramic: A negative temperature coefficient thermistor
MAL Nobre, S Lanfredi
Journal of applied physics 93 (9), 5576-5582, 2003
872003
Electric and dielectric properties of single crystals
S Lanfredi, JF Carvalho, AC Hernandes
Journal of Applied Physics 88 (1), 283-287, 2000
812000
Phase transition at low temperature in ceramic
S Lanfredi, MH Lente, JA Eiras
Applied physics letters 80 (15), 2731-2733, 2002
702002
Dielectric loss and phase transition of sodium potassium niobate ceramic investigated by impedance spectroscopy
MAL Nobre, S Lanfredi
Catalysis Today 78 (1-4), 529-538, 2003
672003
Structural characterization and Curie temperature determination of a sodium strontium niobate ferroelectric nanostructured powder
S Lanfredi, DHM Gênova, IAO Brito, ARF Lima, MAL Nobre
Journal of Solid State Chemistry 184 (5), 990-1000, 2011
622011
Thermistor ceramic with negative temperature coefficient based on An inverse spinel-type phase
MAL Nobre, S Lanfredi
Applied physics letters 81 (3), 451-453, 2002
612002
Negative temperature coefficient thermistor based on ceramic: An oxide semiconductor at high temperature
MAL Nobre, S Lanfredi
Applied physics letters 82 (14), 2284-2286, 2003
602003
Dark conductivity, photoconductivity, and light-induced absorption in photorefractive sillenite crystals
L Mosquera, I de Oliveira, J Frejlich, AC Hernandes, S Lanfredi, ...
Journal of Applied Physics 90 (6), 2635-2641, 2001
522001
New evidence of grain boundary phenomenon in Zn7Sb2O12 ceramic: an analysis by impedance spectroscopy
MAL Nobre, S Lanfredi
Materials Letters 50 (5-6), 322-327, 2001
522001
Impedance spectroscopy analysis of high-temperature phase transitions in sodium lithium niobate ceramics
MAL Nobre, S Lanfredi
Journal of Physics: Condensed Matter 12 (35), 7833, 2000
492000
Temperature‐dependent Raman scattering studies in NaNbO3 ceramics
RJC Lima, PTC Freire, JM Sasaki, AP Ayala, FEA Melo, J Mendes Filho, ...
Journal of Raman Spectroscopy 33 (8), 669-674, 2002
432002
Effect of porosity on the electrical properties of polycrystalline sodium niobate: I, electrical conductivity
S Lanfredi, L Dessemond, ACM Rodrigues
Journal of the American Ceramic Society 86 (2), 291-298, 2003
412003
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