Metal-insulator transition in Nd1-xEuxNiO3: Entropy change and electronic delocalization

Autor: V. B. Barbeta, R. F. Jardim, Francesco Cordero, S. Andrade, Marcia Tsuyama Escote, Milton S. Torikachvili

Publikováno v: Journal of applied physics (online) 117 (2015): 17C105. doi:10.1063/1.4906434
info:cnr-pdr/source/autori:R. F. Jardim (1); V.B. Barbeta (2); S. Andrade (1); M.T. Escote (3); F. Cordero (4); M.S. Torikachvili (5)/titolo:Metal-insulator transition in Nd1-xEuxNiO3: Entropy change and electronic delocalization/doi:10.1063%2F1.4906434/rivista:Journal of applied physics (online)/anno:2015/pagina_da:17C105/pagina_a:/intervallo_pagine:17C105/volume:117

The metal-insulator (MI) phase transition in Nd1-xEuxNiO3, 0 = x = 0.35, has been investigated through the pressure dependence of the electrical resistivity ?(P, T) and measurements of specific heat CP(T). The MI transition temperature (TMI) increase

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d4c216b332be3092c9cea5b1e23d901
http://www.cnr.it/prodotto/i/327370

Desenvolvimento e Utilização de um Programa de Análise de Imagens para o Estudo de Tópicos de Mecânica Clássica

Autor: Issao Yamamoto, V. B. Barbeta

Publikováno v: Revista Brasileira de Ensino de Física, Vol 24, Iss 2, Pp 158-167
Revista Brasileira de Ensino de Física, Vol 24, Iss 2, Pp 158-167 (2002)
Revista Brasileira de Ensino de Física v.24 n.2 2002
Revista Brasileira de Ensino de Física
Sociedade Brasileira de Física (SBF)
instacron:SBF
Revista Brasileira de Ensino de Física, Volume: 24, Issue: 2, Pages: 158-167, Published: JUN 2002

Aulas de laboratório são importantes para reforçar conceitos que são introduzidos em aulas teóricas. O avanço da tecnologia de vídeo e a facilidade em se digitalizar imagens tem permitido o seu uso como instrumento pedagógico em aulas de labo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f2fd5a13aba702787a9a4fb4d50d285
https://doi.org/10.1590/s1806-11172002000200012

Low-field remanent magnetization inRb2FeCl5⋅H2O and in its site-diluted solid solutionsRb2Fe1−xInxCl5⋅H2O(x=0.04, 0.08, 0.15, and 0.35)

Autor: Mercedes Gabás, Carlos Castilla Becerra, Fernando Palacio, V. B. Barbeta, Armando Paduan-Filho, Javier Campo

Publikováno v: Physical Review B. 56:3196-3203

The observation of remanent magnetization ${M}_{r}$ in single crystals of the easy-axis low-anisotropy antiferromagnet Rb${}_{2}$FeCl${}_{5}\ensuremath{\cdot}$H${}_{2}$O and in its site-diluted solid solutions Rb${}_{2}$Fe${}_{1\ensuremath{-}x}$In${}

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6e3daf0ec0b1ea9c7dac6b82b12bbc09
https://doi.org/10.1103/physrevb.56.3196

Comparison between the magnetic specific heat of NdBa2Cu3O x and DyBa2Cu3O x

Autor: V. B. Barbeta, M. B. Maple, G. Nieva, Bo Wha Lee, P. Allenspach, Sang-Im Yoo, D. A. Gajewski, R. W. McCallum, Matthew J. Kramer, L. Ben-Dor

Publikováno v: Zeitschrift f�r Physik B Condensed Matter. 96:455-464

Low temperature heat-capacity measurements have been performed to study the magnetic ordering in NdBa2Cu3O x and DyBa2Cu3O x . In order to investigate the type of ordering, magnetic fields up to 6 T and hydrostatic pressures up to 4.5 kbar were appli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a483009afa77302ff040a31fc7eee9ab
https://doi.org/10.1007/bf01313843

Properties of Ni nanoparticles on Kapton produced by gas-aggregation in a magnetron sputtering

Autor: S C Trippe, V B Barbeta, A D Santos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dff13c34b0e982678826ae7b58fed83b