Abstract
We have found charge ordering in perovskite-type manganese oxides at low-carrier-doping region in neutron diffraction experiments. In La1-xSrxMnO3 (x = 0.1 and 0.15), we observed superlattice reflections at commensurate positions and the onset temperature Tp of the superlattice structure coincides with the low-temperature metal-toinsulator transition point. Pr1-xCaxMnO3 compounds are also studied at the stoichiometric concentration of x = 0.25. We observed diffuse satellite peaks indicating the existence of new charge-ordered state at this concentration.
Original language | English |
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Pages (from-to) | 433-435 |
Number of pages | 3 |
Journal | Physica B: Condensed Matter |
Volume | 241-243 |
DOIs | |
Publication status | Published - 1997 |
Externally published | Yes |
Keywords
- (LaSr)MnO
- Charge order
- Jahn-Teller distortion
- Metal-to-insulator transition
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering