Zobrazeno 1 - 10
of 24
pro vyhledávání: '"M. R. Joya"'
Analysis and evaluation of structural properties of Co3O4 microparticles obtained at low temperature
Publikováno v:
Cerâmica, Vol 68, Iss 385, Pp 52-59 (2022)
Abstract In the present research, the synthesis of cobalt oxide Co3O4 was carried out using the sol-gel technique with subsequent heat treatment at 225 and 235 °C. The final product obtained was characterized by X-ray diffraction (XRD), showing a pu
Externí odkaz:
https://doaj.org/article/ef8696737805428d8be9afa8c6acfdba
Autor:
A. C. F. Prado, J. O. D. Malafatti, J. A. Oliveira, C. Ribeiro, M. R. Joya, A. P. Luz, E. C. Paris
Publikováno v:
Nanomaterials, Vol 11, Iss 12, p 3268 (2021)
Increasing global warming due to NOx, CO2, and CH4, is significantly harming ecosystems and life worldwide. One promising methodology is converting pollutants into valuable chemicals via photocatalytic processes (by reusable photocatalysts). In this
Externí odkaz:
https://doaj.org/article/47c0b4592bab4365ae5a8ef4e5f8d78d
Publikováno v:
Cerâmica, Vol 58, Iss 347, Pp 313-316 (2012)
The structural phase transition from ferroelectric to paraelectric was studied by Raman scattering in the ceramic lead titanate (PbTiO3) doped with lanthanum (La). A1 vibrational mode contains some sub-peaks that have been associated in literature wi
Externí odkaz:
https://doaj.org/article/f2905a6ad03049be9145501c77289986
Publikováno v:
Modern Physics Letters B. 37
In this work, we studied the magnetization and the Cooper pairs density in a conventional superconducting thin square film in the presence of an external magnetic field H. Our investigation was carried out to solve the [Formula: see text]-wave-two-ba
Autor:
M. R. Joya, J. A. Oliveira, A. C. F. Prado, E. C. Paris, A. P. Luz, C. Ribeiro, J. O. D. Malafatti
Publikováno v:
Nanomaterials, Vol 11, Iss 3268, p 3268 (2021)
Nanomaterials
Nanomaterials; Volume 11; Issue 12; Pages: 3268
Nanomaterials
Nanomaterials; Volume 11; Issue 12; Pages: 3268
Increasing global warming due to NOx, CO2, and CH4, is significantly harming ecosystems and life worldwide. One promising methodology is converting pollutants into valuable chemicals via photocatalytic processes (by reusable photocatalysts). In this
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 28:612-623
The kinetics of growth of tubular nanostructures of titanium dioxide ( $${\text {TiO}}_{2}$$ ) obtained by means of the physic-chemical method of electro position under potentiostatic conditions is studied. For this investigation, four tests were car
Publikováno v:
Repositorio Digital UFPS
UNIVERSIDAD FRANCISCO DE PAULA SANTANDER
instacron:Universidad Francisco de Paula Santander
UNIVERSIDAD FRANCISCO DE PAULA SANTANDER
instacron:Universidad Francisco de Paula Santander
The influence of anodizing time on the length, morphology and photoelectrochem-ical properties of TiO2 Nanotubes has been investigated. An optimum anodizing time of 20 min at 20V leads to 220nm long of the nanotubes. By having a detailed control of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8028555936ea58a8343245d838a5985
http://repositorio.ufps.edu.co/handle/ufps/611
http://repositorio.ufps.edu.co/handle/ufps/611
Publikováno v:
Current Science. 116:1690
With the objective of development of optoelectronic devices, nowadays the research in this field is centred around the study of photoluminescence emission of rare earth elements present in the lattice of different oxides. Therefore, in this study we
Publikováno v:
Repositorio Digital UFPS
UNIVERSIDAD FRANCISCO DE PAULA SANTANDER
instacron:Universidad Francisco de Paula Santander
UNIVERSIDAD FRANCISCO DE PAULA SANTANDER
instacron:Universidad Francisco de Paula Santander
Chemical oxidation is one of the many different methods of removing contaminants that has emerged recently, is an alternative method to traditional techniques. According to this research calcium peroxide is suitable choice for contaminant biodegradat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58fa5b3bc8d2fe70b99c0ee833e0a051
http://repositorio.ufps.edu.co/handle/ufps/1028
http://repositorio.ufps.edu.co/handle/ufps/1028
Publikováno v:
Cerâmica, Volume: 58, Issue: 347, Pages: 313-316, Published: SEP 2012
Cerâmica v.58 n.347 2012
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
Cerâmica v.58 n.347 2012
Cerâmica (São Paulo. Online)
Universidade de São Paulo (USP)
instacron:USP
The structural phase transition from ferroelectric to paraelectric was studied by Raman scattering in the ceramic lead titanate (PbTiO3) doped with lanthanum (La). A1 vibrational mode contains some sub-peaks that have been associated in literature wi