The effects of Eu-doping in the A-site on the magnetic and magnetoresistive properties of La
0.65-x Eu x Ca 0.35 MnO 3 (x= 0, 0.05, 0.10, 0.15) bulk samples have been investigated. All …

We synthesized magnetoresistive compounds with nominal compositions La 0.7 Ca 0.3− x
Ag x MnO 3 (0≤ x≤ 0.2) by solid state reaction method with different sintering temperatures …

In this work, the effect of doping by tetravalent Ce 4+ on the structural and magnetoresistive
properties of La 0.7− x Ce x Ca 0.3 MnO 3 polycrystalline manganites is presented. Samples …

The physical properties of the La 0.6 Y 0.1 Ca 0.3 MnO 3 compound have been investigated,
focusing on the magnetoresistance phenomenon studied by both dc and ac electrical …

In this letter we report large magnetoresistance (MR) in ceramic samples of La1− x Sr x
MnO3 (0.1≤ x≤ 0.4) in the temperature range 4.2 K≤ T≤ 350 K in fields up to 6 T. We find …

Bulk polycrystalline samples of La 0. 6 7 Ca 0. 3 3 MnO 3-δ were annealed in controlled
oxygen atmospheres. Two types of conditions were chosen, firstly with the aim of taking …

抄録 Magnetoresistance (defined in the study as Δρ (T, H)⁄ ρ (T, 0)=(ρ (T, H)− ρ (T, 0))⁄ ρ (T,
0), where ρ (T, H) and ρ (T, 0) denote the resistivity at a temperature with and without a …

Influence of the effect of lanthanum deficiency on the structural, magnetoresistance, and
magnetic properties have been studied on a series of La 1− x MnO 3 (x= 0, 0.05, 0.1, 0.2 …

La0. 68− xAxCa0. 32MnO3, where A= Y, Gd (x= 0. 00, 0. 08) have been studied by XRD,
Magnetoresistance amplitude measurement and SEM (Scanning Electron Microscopy) grain …

Abstract Polycrystalline La 0.67 (Ca 1− x Sr x) 0.33 MnO 3 with different substitution level of
strontium element, were synthesized via solid state reaction. Structure of samples was …