Results 51 to 60 of about 541 (112)
MAGNETORESISTANCE IN MANGANITE-BASED JUNCTIONS
This paper reviews the tunnelling magnetoresistance (TMR) of magnetic tunneling junctions, particulary of those made of manganites. The origin of this type of tunneling and its dependence on the material, the growing method and the temperature are ...
Lucero Alvarez-Miño
doaj
The solid solutions YNixMn1-xO3 are semiconducting materials which show perovskite-like structure, ortorrombic symmetry, and spatial group Pbnm. Their electrical and magnetic properties are typical of materials with potential applications in sensor ...
Moure, C. +3 more
doaj
Eletrodo, eletrólito, célula a combustível óxido sólido e processo de produção de energia [PDF]
Universidade Federal do Rio Grande do ...
Jurado Egea, José Ramón +2 more
core
Estabilidad térmica de manganitas tipo La1-xCaxMnO3 obtenidas mediante mecanosíntesis
Manganitas de Lantano, Mecanosíntesis, Estabilidad Térmica, Estructura Cristalina, Energía de Activación.
I. A. Lira Hernández +3 more
openaire +3 more sources
INFLUENCE OF BALL MILLING PROCESS ON STRUCTURAL AND MAGNETIC PROPERTIES OF La0.7Sr0.3MnO3 MANGANITE
This investigation presents the magnetic and structural properties of ferromagnetic manganite La0.7Sr0.3MnO3, (LSMO), subjected to ball milling processes. The LSMO powder sample was obtained by solid state reaction from high purity precursors. From X-ray
Gloria Campillo Figueroa +6 more
doaj
The preparation and crystalline features of perovskite solid solution Y(CoxMn1-x)O3, x=0.6, 0.7, belonging to the Co-rich region of the pseudobinary system YMnO3-YCoO3 have been studied. Dilatometric essays performed under different atmospheres have been
Fernández, J. F. +3 more
doaj
Preparación y caracterización de perovskitas decobaltoy manganeso por los métodoscitrato y atomización pirolítica (spray pyrolysis) [PDF]
En este trabajo se prepararon óxidos mixtos con estructura perovskita, con fórmulas La1-xTRxMe1-yNiy (TR = Ce, Pr, Nd, Gd, Sm y Er; M = Co, Mn) por los métodos de citrato amorfo y atomización pirolítica (spray pyrolysis).
Moreno Aldana, Luis Carlos
core +1 more source
MAGNETORRESISTENCIA COLOSAL EN MANGANITAS DEL TIPO La1_xDxMnO3 CON D= Ba, Ca
Se prepararon manganitas perovskitas del tipo La₀.₆₇Ca₀.₃₃MnO₃ y La₀.₆₇Ba₀.₃₃MnO₃ por reacción de estado sólido. Estas muestras se caracterizaron eléctrica, magnética y estructuralmente y se estudió el efecto que diferentes rutinas de preparación tienen sobre estas propiedades.
R. Jiménez, A. Mariño, H. Sánchez
openaire +1 more source
The phase transition to perovskite-type structure, that occurs in some hexagonal manganites when foreign cations are incorporated into solid solution, has been studied. Several solid solution series belonging to the Y(Mn, Ni)O3, (Er, Ca)MnO3, (Y, Ca)MnO3,
Moure, C. +5 more
doaj
The structural and electrical features of the manganites solid solutions (Er,Ca)MnO<sub>3</sub> and Eu(Co,Mn)O<sub>3</sub>, have been studied by X-ray diffraction and conductivity measurements. Powders were prepared by solid-state
Tartaj, J. +3 more
doaj

