Magnetoresistance in La0.5Sr0.5MnO2.5
✍ Scribed by Dr. Raquel Cortés-Gil; Dr. M. Luisa Ruiz-González; Dr. José M. Alonso; Prof. Mar García-Hernández; Prof. Antonio Hernando; Prof. María Vallet-Regí; Prof. José M. González-Calbet
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 494 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0947-6539
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The Ho 0.5 Sr 0.5 MnO 3 perovskite, synthesized in air, has been studied by combining neutron powder and electron diffraction techniques. The Pnma-type structure exhibits a strong tilting of the MnO 6 octahedra. This octahedra tilting and microtwinning involve a complex strained structure. No struct
We report on the magnetization, resistivity and magnetoresistance (MR) measurements on polycrystalline Pr 0.5 Sr 0.5 MnO 3 . Quenching samples from 14003C to room temperature in water (sample I) or in air (sample II) leads to di4erent behaviors. Powder X-ray di4raction patterns for samples I and II
## Abstract For Abstract see ChemInform Abstract in Full Text.
Using both powder and single crystal neutron diffraction we have determined the room temperature structure of Pr 0.5 Sr 0.5 MnO 3 from melt-grown crystalline material. Contrary to previous measurements on polycrystalline samples we find the room temperature structure of Pr 0.5 Sr 0.5 MnO 3 is tetrag