Pulsed laser deposition for in-situ photoemission studies on YBa2Cu3O7-[delta] and related oxide films

T. Schmauder; B. Frazer; R. Gatt; Xiaoxing Xi; Marshall Onellion; Daniel Ariosa; M. Grioni; Giorgio Margaritondo; Davor Pavuna

doi:10.1117/12.335908

22 December 1998 Pulsed laser deposition for in-situ photoemission studies on YBa₂Cu₃O_;7-δ and related oxide films

T. Schmauder, B. Frazer, R. Gatt, Xiaoxing Xi, Marshall Onellion, Daniel Ariosa, M. Grioni, Giorgio Margaritondo, Davor Pavuna

Author Affiliations +

Proceedings Volume 3481, Superconducting and Related Oxides: Physics and Nanoengineering III; (1998) https://doi.org/10.1117/12.335908
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

We describe a new pled laser deposition (PLD) system that is linked to an angle-resolved photoemission (ARPES) chamber at the Synchrotron Radiation Center (SRC) in Wisconsin, USA. We also discuss our first results on epitaxially grown YBa₂Cu₃O_7-(delta ) (YBCO) films. The core level photoemission data indicate that a Ba-oxide layer is the dominant surface layer. We were not able to reproducibly detect a sharp fermi edge in the photoemission spectra and thus conclude that the surface layer is non-metallic, probably due to oxygen loss at the surface. The absence of screening of the Y and Ba core levels is a further argument for this conclusion. Further experiments with ozone treated film surfaces are currently under way.

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T. Schmauder, B. Frazer, R. Gatt, Xiaoxing Xi, Marshall Onellion, Daniel Ariosa, M. Grioni, Giorgio Margaritondo, and Davor Pavuna "Pulsed laser deposition for in-situ photoemission studies on YBa₂Cu₃O_;7-δ and related oxide films", Proc. SPIE 3481, Superconducting and Related Oxides: Physics and Nanoengineering III, (22 December 1998); https://doi.org/10.1117/12.335908

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