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APS » Journals » Phys. Rev. B » Volume 62 » Issue 10
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Phys. Rev. B 62, 6716–6720 (2000)

Photoabsorption and core-level photoemission study of ruthocuprates

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B. H. Frazer, Y. Hirai, M. L. Schneider, S. Rast, and M. Onellion
Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

U. Asaf and I. Felner
Racah Institute of Physics, Hebrew University, Jerusalem, Israel

A. Reginelli, L. Perfetti, D. Ariosa, and G. Margaritondo
Institute of Applied Physics, EPFL, CH-1024 Lausanne, Switzerland

Received 29 February 2000; published in the issue dated 1 September 2000

We report on x-ray photoemission and absorption measurements on ruthocuprate and SrRuO3 samples. The ruthocuprates include samples that are both weak ferromagnets and superconductors for part of the phase diagram. The results indicate that adding hydrogen changes the many-body response on the CuO2 planes. The results further indicate that ferromagnetic order alters the core level states. We discuss implications of these data.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.62.6716
DOI:
10.1103/PhysRevB.62.6716
PACS:
74.72.Jt, 74.70.-b, 74.25.Ha, 75.50.-y
 
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