We report detailed dielectric investigations of Pr 1-x Ca x MnO 3 (PCMO, x = 0.5) ceramics, a member of the perovskite manganite family that exhibits a colossal magnetoresistance. Analysis of the electrical conductivity and dielectric constant data revealed that in the low temperature phase, below 4
β¦ LIBER β¦
Mn ordering and induced Ce ordering in La0.7(Ce0.5Ca0.5)0.3MnO3
β Scribed by S.Y. Wu; C.C. Yang; W.-H. Li; K.C. Lee; J.W. Lynn; H.D. Yang
- Book ID
- 114224921
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 123 KB
- Volume
- 239
- Category
- Article
- ISSN
- 0304-8853
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The study by electron di4raction and high resolution electron microscopy of several samples of the system La 0.5 Ca 0.5 MnO 3Ψ , apart from strikingly con5rming the correctness of the orthorhombic perovskite-related unit cell of a+a c (2, b+a c (2, c+2a c for 04 40.25, points to the existence of thr