Mixed-valence manganese oxides (R1-χAχ) MnO3 (R= rare-earth cation, A= alkali or
alkaline earth cation), with a structure similar to that of perovskite CaTiO3, exhibit a rich …

Optical conductivity spectra of conducting oxides, cuprates, including high-Tc
superconductors, nickelates, manganites, doped titanates, barium–lead–bismuth oxides …

Controlling a phase of matter by coherently manipulating specific vibrational modes has
long been an attractive (yet elusive) goal for ultrafast science. Solids with strongly correlated …

Direct experimental evidence of half-metallic density of states (DOS) is observed by
scanning tunneling spectroscopy on ferromagnetic La 0.7 Ca 0.3 MnO 3, which exhibits …

Resistivity measurements have been performed on single-crystalline La 0.7 Ca 0.3 MnO 3−
δ thin films with control of δ in order to study the influence of the Mn 3+ content on the …

In this article, we summarize current progress on the bulk and surface characteristics of Mn-
containing perovskite oxides known for their good catalytic activity in atmospheric pollutant …

Abstract In ceramic La 1-x Ca x MnO 3 samples with 0⩽ x⩽ 0.15 and the concentration of
holes c= 0.18-0.22 between T= 77 and 340 K the resistivity, ρ, is shown to have an activated …

Sol-gel (SG) prepared calcium doped La 1-x Ca x MnO 3 (0≤ x≤ 0.3) nanoparticles (> 35
nm) show a phase transformation from rhombohedral-R3c to orthorhombic-Pnma. The …

Studies of epitaxial films on substrates with a range of lattice constants reveal two dominant
contributions to the occurrence of colossal negative magnetoresistance (CMR) in these …

Direct evidence of half-metallic density of states is observed by scanning tunneling
spectroscopy of ferromagnetic La0. 7Ca0. 3MnO3 and La1xSrxMnO3 (x 0.3, 0.33) epitaxial …