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oai:docta.ucm.es:20.500.14352/592672024-09-09T12:50:17Zcom_20.500.14352_14col_20.500.14352_15

Gómez, P. Piqueras De Noriega, Francisco Javier Opagiste, C. 2023-06-20T19:07:09Z 2023-06-20T19:07:09Z 1994-12 0921-4534 10.1016/0921-4534(94)91794-9 https://hdl.handle.net/20.500.14352/59267 http://dx.doi.org/10.1016/0921-4534(94)91794-9 http://www.sciencedirect.com Superconducting Tl_2Ba_2Cu_1O(6+δ) ceramics shows two broad luminescence bands centered at 430 nm (2.9 eV) and 530 nm (2.3 eV) wich can not be related to impurity phases. The intensity of the bands is inhomogeneously distributed in the sample and there is a relation between regions of different intensities with the grains observed in the scanning electron microscope. Relationship of cathodoluminescence contrast with oxygen content distribution is discussed. metadata only access Characterization of tetragonal Tl_2Ba_2Cu_1O_(6+δ) by cathodoluminescence microscopy journal article