E. Galego, Marilene Morelli Serna, T. Y. Tatei, Bruna Rodrigues de Lima, Rúben de Faria Negrão Júnior
{"title":"ROTA ECOLOGIA PARA SINTESE DE ELETRODO NANOESTRUTURADO DE ZnO PARA SUPERCAPACITOR","authors":"E. Galego, Marilene Morelli Serna, T. Y. Tatei, Bruna Rodrigues de Lima, Rúben de Faria Negrão Júnior","doi":"10.37572/edart_30062136115","DOIUrl":"https://doi.org/10.37572/edart_30062136115","url":null,"abstract":"","PeriodicalId":323944,"journal":{"name":"The Great World of Nanotechnology Vol II","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134251136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jean Brito Santos, Emanoel Igor da Silva Oliveira, Nádia Mamede José
{"title":"OBTENÇÃO E CARACTERIZAÇÃO DE NANOCRISTAIS DE CELULOSE A PARTIR DE PAPEL RECICLADO VIRGEM E PÓS-CONSUMO","authors":"Jean Brito Santos, Emanoel Igor da Silva Oliveira, Nádia Mamede José","doi":"10.37572/edart_30062136117","DOIUrl":"https://doi.org/10.37572/edart_30062136117","url":null,"abstract":"","PeriodicalId":323944,"journal":{"name":"The Great World of Nanotechnology Vol II","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115921745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. Budemberg, Elton Aparecido Prado dos Reis, D. Agostini, R. J. Santos, F. S. Bellucci, A. Job, D. G. Pinatti, R. Conte
{"title":"AMORPHOUS MICRO AND NANO SILICA EXTRACTED FROM RICE HUSKS AND OBTAINED BY ACIDIC PREHYDROLYSIS AND CALCINATION: PREPARATION ROUTE AND CHARACTERIZATION","authors":"E. Budemberg, Elton Aparecido Prado dos Reis, D. Agostini, R. J. Santos, F. S. Bellucci, A. Job, D. G. Pinatti, R. Conte","doi":"10.37572/edart_3006213616","DOIUrl":"https://doi.org/10.37572/edart_3006213616","url":null,"abstract":"","PeriodicalId":323944,"journal":{"name":"The Great World of Nanotechnology Vol II","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128703930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Maria, Andreza Sousa Andrada Andrada, Jordânio Samuel Siqueira, A. P. Santos, C. A. Furtado
{"title":"AVALIAÇÃO DA MICRODUREZA DE NANOCOMPÓSITOS DE MATRIZ DE ALUMÍNIO REFORÇADOS COM ÓXIDO DE GRAFENO REDUZIDO","authors":"D. Maria, Andreza Sousa Andrada Andrada, Jordânio Samuel Siqueira, A. P. Santos, C. A. Furtado","doi":"10.37572/edart_30062136114","DOIUrl":"https://doi.org/10.37572/edart_30062136114","url":null,"abstract":"","PeriodicalId":323944,"journal":{"name":"The Great World of Nanotechnology Vol II","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128529847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Orfelinda Avalo Cortez, Luis Jean Carlo Cisneros García, David Pedro Martínez Aguilar
{"title":"REMOCIÓN DE ARSÉNICO DE EFLUENTES ACUOSOS EMPLEANDO COMO ADSORBENTE MAGNETITA NANOESTRUCTURADA","authors":"Orfelinda Avalo Cortez, Luis Jean Carlo Cisneros García, David Pedro Martínez Aguilar","doi":"10.37572/edart_30062136113","DOIUrl":"https://doi.org/10.37572/edart_30062136113","url":null,"abstract":"","PeriodicalId":323944,"journal":{"name":"The Great World of Nanotechnology Vol II","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133252711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nazir Monteiro dos Santos, Elver Juan de Dios Mitma Pillaca, M. Ueda, Steven Frederick Durrant, Péricles Lopes Sant’Ana
{"title":"X-RAY PHOTOELECTRON SPECTROSCOPY (XPS) STUDY OF CONDUCTIVE TUBE AFTER NITROGEN PIII","authors":"Nazir Monteiro dos Santos, Elver Juan de Dios Mitma Pillaca, M. Ueda, Steven Frederick Durrant, Péricles Lopes Sant’Ana","doi":"10.37572/edart_3006213618","DOIUrl":"https://doi.org/10.37572/edart_3006213618","url":null,"abstract":"","PeriodicalId":323944,"journal":{"name":"The Great World of Nanotechnology Vol II","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125355538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. H. D. Filho, J. Lopez, Adriana Silva de Albuquerque, R. D. Maia, Wesley de Oliveira Barbosa, Ernando Campos Ferreira, F. S. Pereira, Kátia Guimarães Benfica
{"title":"ON SPIN HAMILTONIAN FITS TO MÖSSBAUER SPECTRA OF NIFE2O4 NANOPARTICLES SYNTHESIZED BY CO-PRECIPITATION","authors":"J. H. D. Filho, J. Lopez, Adriana Silva de Albuquerque, R. D. Maia, Wesley de Oliveira Barbosa, Ernando Campos Ferreira, F. S. Pereira, Kátia Guimarães Benfica","doi":"10.21575/25254782rmetg2020vol5n61339","DOIUrl":"https://doi.org/10.21575/25254782rmetg2020vol5n61339","url":null,"abstract":"Nanocrystalline NiFe2O4 particles prepared by chemical co-precipitation method were studied using magnetic measurements, 57Fe Mössbauer spectroscopy, X-ray diffraction, and transmission electron microscopy. Fits to Mössbauer spectra, in the range of 4.2 K – 300 K, were done using spin hamiltonians to describe both the electronic and nuclear interactions, a model of superparamagnetic relaxation of two levels (spin ½) and stochastic theory, a log-normal particle size distribution function as well as a dependency of the magnetic transition temperature and the anisotropy constant on particle diameter. We have used evolutionary strategies to fit the more complex Mössbauer spectra line shapes. The nanoparticles have an average size of 7 nm and exhibit superparamagnetism at room temperature. The saturation magnetization (Ms) at 4.2 K was determined from M vs. 1/H plots by extrapolating the value of magnetizations to infinite fields, to 24.21 emu/g and coercivity to 3.15 kOe. A magnetic anisotropy energy constant (K) 1.9´105 J/m3, at 4.2 K, were calculated from magnetization measurements. The synthesis, characterization, and functionalization of magnetic nanoparticles is a highly active area of current research located at the interface between materials science, biotechnology, and medicine. Superparamagnetic iron oxides nanoparticles have unique physical properties and have emerged as a new class of diagnostic probes for multimodal tracking and as contrast agents for magnetic resonance imaging (MRI).","PeriodicalId":323944,"journal":{"name":"The Great World of Nanotechnology Vol II","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130634839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}