Magnetization texture imprints produced by flux avalanches in ferromagnet/insulator/superconductor heterostructures

Autor: Lopes, Rovan F., Tumelero, Milton A., de Araujo, Clodoaldo I. L., de Andrade, Antonio M. H., Mesquita, Fabiano, Carmo, Danusa, Colauto, F., Ortiz, W. A., Pureur, P.

The magnetic textures generated by a perpendicularly applied magnetic field at the ferromagnetic layer of $Co/Al_{2}O_{3}/Nb$ thin film heterostructures are investigated using magneto-optical imaging and micromagnetic simulations. It is observed that

Externí odkaz: http://arxiv.org/abs/2410.18028

Transporte elétrico polarizado em spin no composto Heusler Pd2MnSn e em ligas diluídas de Co-Fe.

Autor: Mesquita, Fabiano

Publikováno v: Biblioteca Digital de Teses e Dissertações da UFRGSUniversidade Federal do Rio Grande do SulUFRGS.

Este trabalho apresenta uma investigação experimental sobre as propriedades de magneto-transporte dependentes da orientação de spin de dois sistemas ferromagnéticos clássicos com anisotropias distintas: (i) o composto Heusler de momentos magné

Externí odkaz: http://hdl.handle.net/10183/53141

A study of the structural, magnetic, and electrical properties of Ba1-xNaxCoO3 compounds (x = 0.25, 0.5, 0.75)

Autor: Estrada-Rodríguez, Carlos A., Lopes, Lutiene Fernandes, Lopes, Rovan Fernandes, Mesquita, Fabiano, Turatti, Águeda Maria, Pimentel Junior, Jorge Luiz, Sandoval-Gutiérrez, Santiago, Parra Vargas, Carlos Arturo

Publikováno v: Revista UIS Ingenierías, Vol 20, Iss 4 (2021)
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

Cobaltite-like materials having metal-insulator transitions are relevant in the consumer electronics market. In this work, we present the structural, magnetic, and electrical properties of Ba1-xNaxCoO3(with x= 0.25, 0.5, 0.75) cobaltite. All samples

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c442c0b3edb18943419d2ee69237d12e
https://revistas.uis.edu.co/index.php/revistauisingenierias/article/view/11586

Electrical magnetotransport properties in RCo12B6 compounds ( R = Y , Gd, and Ho)

Autor: Mesquita, Fabiano, Magalhaes, Sergio Garcia, Pureur Neto, Paulo, Diop, Léopold Vincent Birane, Isnard, Olivier

Publikováno v: Physical Review B
Physical Review B, American Physical Society, 2020, 101 (22), pp.224414. ⟨10.1103/PhysRevB.101.224414⟩
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

International audience; Remarkable electronic transport and magnetotransport properties are found in the intermetallic compounds RCo12B6 (R = Y, Ho, and Gd). Detailed resistivity, magnetoresistance, and Hall effect measurements are reported in the te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e2e7370b1e14d6a31aef04668e4f8daa
https://hal.archives-ouvertes.fr/hal-02920005

Effects of Ca and Sr chemical doping on the average superconducting kinetic energy of YBa2Cu3O7-δ

Autor: Vieira, Valdemar das Neves, Mendonça, A.P.A., Dias, Fabio Teixeira, Hneda, Marlon Luiz, Pureur Neto, Paulo, Schaf, Jacob, Mesquita, Fabiano

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

In this brief communication we applied the MZFC(T) and MFCC(T) reversible dc magnetizations to get the average superconducting kinetic energy density, kS(T,B) of YBa2Cu3O7-d, Y0.95Ca0.05Ba2Cu3O7-d and YBa1.75Sr0.25Cu3O7-d ceramic samples with the aim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::ebc73f3dd12a43d1f5be7562441f8015