Produção de Nanopartículas de ferritas do tipo espinélio: Um estudo bibliométrico
DOI:
https://doi.org/10.33448/rsd-v9i1.1546Palavras-chave:
nanomateriais; magnetismo; CiteSpace; aplicações.Resumo
Neste artigo foi realizada uma análise bibliométrica sobre a produção de ferritas do tipo espinélio, visando ampliar a gestão de conhecimentos sobre a área de pesquisa, bem como identificar perspectivas futuras voltadas para as aplicações dessas estruturas e lançar luz à pesquisas sequentes. O estudo foi delineado apartir de uma análise estatística e qualitativa dos documentos da base de dados da Web of Science (WoS) no período entre 1995-2017, utilizando como ferramenta adicional o software CiteSpace, que permite a ampliação do domínio do conhecimento sobre o tema coma obtenção de um conjunto de registros bibliográficos de publicações relevantes, com subsequente identificação de grupos interligados de pesquisa (clusters). O software CiteSpace fornece um grupo de parâmetros empíricos, dentre eles o denominado Betweenness Centrality (BC), que descreve a influência de determinado artigo na transferência de informações entre o conjunto de publicações em estudo. Por meio dos resultados foi possível identificar crescimento significativo no número de publicações e citações. Os países com maiores números de publicações são: Índia (946), China (483) e Estados Unidos da América (247), sendo que os EUA detêm o maior parâmetro de centralidade(BC), que reflete o seu papel de destaque na transmissão de informações sobre as ferritas do tipo espinélio. Ao analisar a decomposição das categorias da WoS em grandes grupos ou clusters foi observada a predominância de três áreas de acordo com o número de co-citações: “magnetic properties”, “eletromagnetic properties” e “effective eletrocatalysis properties”, que reflete os principais objetivos das pesquisas sobre esse tema. Dentre as principais palavras-chave,”cobalt ferrite” possui o maior o parâmetro BC, revelando maior interesse da comunidade científica nas ferritas de Cobalto. Os resultados dos clusters foram corroborados a partir da identificação das principais aplicações das ferritas do tipo espinélio nos últimos dois anos, em que foi observada a atuação desses materiais predominantemente em tratamento de efluentes, dispositivos magnéticos, sensores e aplicações na medicina.
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