Conard, T. SVohs, John MPireaux, J. JCaudano, R.2023-05-222023-05-2219882017-11-28Conard, T., Vohs, J.M., Pireaux, J.J., and Caudano, R. (1988). XPS DOS Studies of Oxygen-Plasma Treated YBa2Cu3 O7-δ Surfaces as a Function of Temperature. In Margaritondo, G., Joynt, R., and Onellion, M. (Eds.), High Tç Superconducting Thin Films, Devices, and Applications, pp. 240-247. American Institute of Physics.https://repository.upenn.edu/handle/20.500.14332/5820Monochromatized Alkα XPS has been used to monitor changes in the electronic structure of 123 sintered pellets as a function of temperature (90-650K). Since 123 surfaces are known to lose oxygen and react with water, a novel procedure was used to prepare the material surface that would be representative of the bulk material. In contrast with published results, we observed drastic DOS modification (i.e. the appearance of a new peak close to the Fermi level at low temperature).Originally published in High Tç Superconducting Thin Films, Devices, and Applications © 1988 AIP Publishing (https://publishing.aip.org/). The volume is available for purchase online at https://www.amazon.com/High-Tc-Superconducting-Films-Conference-Proceedings/dp/088318382X/ref=sr_1_2?ie=UTF8&qid=1511894443&sr=8-2&keywords=High+T%C3%A7+Superconducting+Thin+Films%2C+Devices%2C+and+ApplicationsBiochemical and Biomolecular EngineeringChemical EngineeringEngineeringEngineering Science and MaterialsMaterials Science and EngineeringBook Chapter