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2005
X-ray spectra
D 6510
Electronic Structure of A- and B-Site Doped Lanthanum Manganites:
Combined X-Ray Spectroscopic Study. — The electronic properties of the
32- 008 A
colossal magnetoresistance compounds LaMnO3, La1-xBa xMnO3 (0.2 ≤ x ≤ 0.55),
La0.76Ba0.24 Mn0.84Co0.16O3, and La0.76Ba0.24Mn0.78 Ni0.22O3 are characterized by a combination of X-ray photoelectron spectroscopy, X-ray emission and absorption spectroscopy, and by resonant inelastic X-ray scattering. The compounds can be understood as
moderately correlated systems, in which hybridization effects like charge transfer and
also covalent interaction between the Mn and O states play an important role with respect to their unusual phenomena and transport properties. — (KUEPPER*, K.; et al.;
J. Phys. Chem. B 109 (2005) 19, 9354-9361; Fachbereich Phys., Univ. Osnabrueck,
D-49062 Osnabrueck, Germany; Eng.) — W. Pewestorf
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