Výsledky vyhledávání - "O. G. Oliveira"

Study of the crystal and electronic structures of (Bi1−xNdx)FeO3 compositions using Rietveld refinements and the maximum entropy method

Autor: Ivair A. Santos, Ruyan Guo, A. J. Mincache, Luiz Fernando Cótica, O. G. Oliveira, G. S. Dias, Amar S. Bhalla

Publikováno v: Ferroelectrics. 545:167-174

In this work we present a methodology that combines the Rietveld structure refinement and the Maximum Entropy Method (MEM) to analyze the crystal and electronic structures, and the chemical...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28fa87637aac210dde8b7ff2a35b0e58
https://doi.org/10.1080/00150193.2019.1621702

Zobrazit plný text záznamu

Study of the origin of ferroic properties using crystal and electronic structures in BiFeO3-based compositions

Autor: R. Silva, Ruyan Guo, G. S. Dias, Luiz Fernando Cótica, O. G. Oliveira, A. J. Mincache, Amar S. Bhalla, Ivair A. Santos

Publikováno v: Ferroelectrics. 535:128-135

Multiferroic materials with magnetoelectric properties, due to their coupling between the electrical and magnetic properties have attracted the attention of many researchers. Perovskite structured materials based on BiFeO3 are a class of materials la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8da732f2e5f60d4c524c133d58d4522
https://doi.org/10.1080/00150193.2018.1474656

Zobrazit plný text záznamu

Acoplamentos magnetoelétricos, magnetodielétricos e magnetoimpedância em compostos Bi1−xNdxFe0.99Co0.01O3

Autor: A. J. Mincache, Luiz Fernando Cótica, Ivair A. Santos, Lilian Felipe da Silva Tupan, D. M. Silva, O. G. Oliveira

Publikováno v: Research, Society and Development; Vol. 10 No. 14; e470101422189
Research, Society and Development; Vol. 10 Núm. 14; e470101422189
Research, Society and Development; v. 10 n. 14; e470101422189
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI

In this work Bi1−xNdxFe0.99Co0.01O3 ceramics compositions were synthesized for x = 0.05, 0.20 and, y = 0.01. Structural refinement results show that most of the samples crystallized in a rhombohedral symmetry with R3c. Measurements magnetoelectric

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d106afb691e82d392c18e294528d8ea8
https://doi.org/10.33448/rsd-v10i14.22189

Zobrazit plný text záznamu

Evidencing the magnetoelectric coupling in Bi1-xNdxFeO3compositions through ferroic characterizations

Autor: O. G. Oliveira, G. M. Santos, G. S. Dias, D. M. Silva, Ivair A. Santos, A. J. Mincache, Amar S. Bhalla, Ruyan Guo, Luiz Fernando Cótica

Publikováno v: Integrated Ferroelectrics. 174:98-103

The study of multiferroic crystalline materials is of great technological and academic interest due to the correlation between their ferroelectric and ferromagnetic properties. In this work, ferroic properties of Nd-modified (A-site substitution) BiF

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a1cc2db583d59a58d2590c1a097822e
https://doi.org/10.1080/10584587.2016.1192920

Zobrazit plný text záznamu

[Selective deep hypothermia associated with cardioplegic solution in the protection of the myocardium during cardiac arrest]

Autor: J, de Deus e Brito, H, Debiase, J, Kieffer Filho, O G, Oliveira, Z, Deucher, R, Villela, J, Feldman

Publikováno v: Arquivos brasileiros de cardiologia. 35(4)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f645a7554531a4d91d91524086c4b7e3
https://pubmed.ncbi.nlm.nih.gov/7213116

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání