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Electronic properties of electron-doped Nd2−xCexCuO4, Sr1−xNdxCuO2 and hole-doped Nd1.4Ce0.2Sr0.4CuO4 studied by photoelectron spectroscopy

✍ Scribed by M. Klauda; J. Markl; C. Fink; P. Lunz; G. Saemann-Ischenko; F. Rau; K.-J. Range

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
130 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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✦ Synopsis

We present investigations on the electronic structure of electron doped Nd2-x-CexCuO4_fi and Srl_xNdxCuO2-8 (infinite layer compound) as well as hole doped Ndl.4Ce0.2Sr0.4CuO4_sby means of photoelectron spectroscopy and auxiliary measurements. The CuO-layers of electron type HTSC exhibit a comparably high Cu3d-Coulomb-correlation. The CuO hybridization of the new infinite layer compound is found to be remarkably low. Rare earth layers of T'-and T*-systems are very similar with respect to electronic parameters and antiferromagnetic correlations between Nd spins. For Srl_xNdxCuO2-8, the Nd dopants are found to be trivalent.

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