Electron beam induced structural changes in bi_2Sr_2CaCu_2O_(8+x) studied by cathodoluminescence microscopy and secondary electron emission
dc.contributor.author | Díaz-Guerra Viejo, Carlos | |
dc.contributor.author | Piqueras de Noriega, Javier | |
dc.contributor.author | Tomashpolsky, Y. Y. | |
dc.contributor.author | Sadovskaya, N. V. | |
dc.date.accessioned | 2023-06-20T19:02:43Z | |
dc.date.available | 2023-06-20T19:02:43Z | |
dc.date.issued | 1997-04 | |
dc.description | © Springer-Verlag 1997. Authors thank S.G.Prutchenko for EDX measurements. This work has been supported by DGICYT (Project PB 93-1256), CICYT (ProjectMAT95-1184-E), NATO(Grant HTECH.LG941034), Russian Foundation of Fundamental Research (Project 94-03-0802) and Russian State Program on High-T Superconductivity (Project 93079). | |
dc.description.abstract | Bi_2Sr_2CaCu_2O_(8+x) superconducting ceramics have been irradiated in the scanning electron microscope (SEM), and the irradiation-induced effects investigated by cathodoluminescence (CL), secondary electron emission (SEE) and X-ray microanalysis. Electron beam irradiation causes a slight Bi depletion and an inhomogeneous Ca distribution. A higher CL intensity emission is found in the irradiated areas, where besides an enhancement of the oxygen content related 2.4 eV band, another CL bands probably related to new non-superconducting phases induced by irradiation can be observed. SEE yield measurements allow to detect an oxygen depleted region surrounding the irradiated areas. X-ray microanalysis shows that this intermediate region retains the cationic composition of the unaffected material. CL spectra from bright zones inside the same area also show a dominant 2.4 eV emission band, which supports its relation with oxygen deficiency or rearrangement in high-T-c superconductors. | |
dc.description.department | Depto. de Física de Materiales | |
dc.description.faculty | Fac. de Ciencias Físicas | |
dc.description.refereed | TRUE | |
dc.description.sponsorship | DGICYT | |
dc.description.sponsorship | CICYT | |
dc.description.sponsorship | NATO | |
dc.description.sponsorship | Russian Foundation of Fundamental Research | |
dc.description.sponsorship | Russian State Program on High-T Superconductivity | |
dc.description.status | pub | |
dc.eprint.id | https://eprints.ucm.es/id/eprint/26416 | |
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dc.identifier.doi | 10.1007/s003390050491 | |
dc.identifier.issn | 0947-8396 | |
dc.identifier.officialurl | http://dx.doi.org/10.1007/s003390050491 | |
dc.identifier.relatedurl | http://link.springer.com | |
dc.identifier.uri | https://hdl.handle.net/20.500.14352/59159 | |
dc.issue.number | 4 | |
dc.journal.title | Applied Physics A-Materials Science&Processing | |
dc.language.iso | eng | |
dc.page.final | 366 | |
dc.page.initial | 361 | |
dc.publisher | Springer | |
dc.relation.projectID | PB 93-1256 | |
dc.relation.projectID | MAT95-1184-E | |
dc.relation.projectID | HTECH.LG941034 | |
dc.relation.projectID | 94-03-0802 | |
dc.relation.projectID | 93079 | |
dc.rights.accessRights | restricted access | |
dc.subject.cdu | 538.9 | |
dc.subject.keyword | High-Tc Superconductors | |
dc.subject.keyword | Oxygen-Content | |
dc.subject.keyword | YBa_2cu_3O_(7-x) | |
dc.subject.keyword | Luminescence | |
dc.subject.keyword | Stoichiometry | |
dc.subject.keyword | Temperature | |
dc.subject.keyword | Surface | |
dc.subject.keyword | Films | |
dc.subject.ucm | Física de materiales | |
dc.title | Electron beam induced structural changes in bi_2Sr_2CaCu_2O_(8+x) studied by cathodoluminescence microscopy and secondary electron emission | |
dc.type | journal article | |
dc.volume.number | 64 | |
dspace.entity.type | Publication | |
relation.isAuthorOfPublication | b1b44979-3a0d-45d7-aa26-a64b0dbfee18 | |
relation.isAuthorOfPublication.latestForDiscovery | b1b44979-3a0d-45d7-aa26-a64b0dbfee18 |
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