Výsledky vyhledávání - "C.A.C. Passos"

Electrical and Ferroelectric Properties of Undoped and Er-Doped PZT52/48 Electroceramics Synthesized by a Polymeric Precursor Method

Autor: C.A.C. Passos, Jaime Alberto Sanchez Caceres

Publikováno v: Materials Research, Volume: 25, Article number: e20200538, Published: 15 NOV 2021
Materials Research, Vol 25 (2021)
Materials Research v.25 2022
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL

The effect of Er on the structural and electrical properties of doped PZT 52/48 ceramics has been studied in this work. The ferroelectric properties (permittivity, ferro-paraelectric phase transition and hysteresis) of such materials are thus found t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::131c74a3231aa5bf19f06de0579beb6b
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392022000100208&lng=en&tlng=en

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A pandemia de SARS-CoV-2: medidas de correlações entre os Estados Brasileiros

Autor: C.A.C. Passos, J. O. do Nascimento, Marcelo A. Moret

Publikováno v: Blucher Physics Proceedings.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a7335e12f36177da4c9491cdffb4fb9
https://doi.org/10.5151/xiecfa-nascimento_passos_moret

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Cenários epidemiológicos da pandemia de SARS-CoV-2

Autor: C.A.C. Passos, J. O. do Nascimento, Marcelo A. Moret

Publikováno v: Blucher Physics Proceedings.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4835b3385509098ff3db6ae723d42ee
https://doi.org/10.5151/xiecfa-nascimento_cov2

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Characteristics and evolution of COVID-19 cases in Brazil: mathematical modeling and simulation

Autor: Jefferson Oliveira do Nascimento, José André Lourenço, C.A.C. Passos, Estéfano Aparecido Vieira

The pandemic caused by the coronavirus of severe acute respiratory syndrome 2 (SARS-CoV-2), the etiological agent of the 2019 coronavirus disease (COVID-19), represents a threat of great magnitude not faced in this century. As a result, each governme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8820d72142cdaba1542f28644fc1c537
https://doi.org/10.1101/2020.10.14.20212829

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Effect of Er ion substitution on the micro-structural and electrical properties using a polymeric precursor method in PZT52/48 ceramics

Autor: Jaime Alberto Sanchez Caceres, C.A.C. Passos

Publikováno v: Journal of Physics and Chemistry of Solids. 160:110375

Due to their exceptional properties, lead zirconate titanate (PZT) ceramics are used in electronic and microelectronic applications. However, the physical properties of ceramic PZTs must be optimized. Extensive studies to develop donor or acceptor do

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31e9f2ce9321b21c6b32ba278095a093
https://doi.org/10.1016/j.jpcs.2021.110375

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DETERMINAÇÃO DE TAMANHO DE GRÃO EM MATERIAIS CERÂMICOS ATRAVÉS DA ANÁLISE COMPUTACIONAL DE IMAGENS

Autor: Lumena Gloria de Souza Nunes, João Victor Soares Chagas, C.A.C. Passos, Jaime Alberto Sanchez Caceres, Raoni Caetano Barbieri

Publikováno v: ABM Proceedings.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9323cbb6a763aded52feebef85107a78
https://doi.org/10.5151/2594-5327-33635

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Study of Structural and Electric Properties of the PZT 52/48 Doped With Er+3

Autor: Jaime Alberto Sanchez Caceres, C.A.C. Passos, João Victor Soares Chagas, Rodolpho Toniato Corteletti, Raoni Caetano Barbieri

Publikováno v: Materials Research v.22 n.5 2019
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research
Materials Research, Volume: 22, Issue: 5, Article number: e20190123, Published: 25 NOV 2019

The scientific community has shown a growing interest in relating to the ferroelectric materials and it has made an effort to develop them. Among these several ferroelectric materials, we proposed to investigated Pb(ZrTi)O3 doped with distinct Er+3 c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b890ffc0b072d2d06db8ff569ac3d0e2
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392019000500228

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Oxysulfate/oxysulfide of Tb3+ obtained by thermal decomposition of terbium sulfate hydrates under different atmospheres

Autor: Hermi F. Brito, Rodrigo V. Rodrigues, Luiz Carlos Machado, C.A.C. Passos, A. A. L. Marins, Jivaldo do Rosário Matos, E. J. B. Muri

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The terbium oxysulfate/oxysulfide Tb2O2SO4/Tb2O2S were prepared from two different precursors: Tb(DAS)3·2H2O and Tb2(SO4)3·8H2O, utilizing two different atmospheres of thermal decomposition. The reaction of Tb4O7 with aqueous solution of H2SO4 (2 m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4999e5c7c87604615c6ef13a06faec8
https://doi.org/10.1007/s10973-015-4786-7

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