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Photoinduced effects and oxygen dynamics in YBa2Cu3Ox
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2001 (English)In: Physica. C, Superconductivity, ISSN 0921-4534, E-ISSN 1873-2143, Vol. 364, p. 545-548Article in journal (Refereed) Published
Abstract [en]

Oxygen-deficient YBa2Cu3Ox (Y123) exhibits persistent photoconductivity when illuminated by visible light. We have investigated resonant Raman spectra as a function of excitation wavelength and temperature, which shed new light on photoinduced effects and chain oxygen dynamics in Y123. Experimental evidence suggests that the mechanism behind the unusual photoinduced effects primary involves photoinduced oxygen ordering. Our Raman data also constitute the non-diffraction observations of the superstructure phase transition in Y123. (C) 2001 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
2001. Vol. 364, p. 545-548
Identifiers
URN: urn:nbn:se:miun:diva-14357OAI: oai:DiVA.org:miun-14357DiVA, id: diva2:435748
Note
Times Cited: 2 3rd International Conference on New Theories, Discoveries and Applications of Superconductors and Related Materials JAN 15-19, 2001 HONOLULU, HAWAIIAvailable from: 2011-08-19 Created: 2011-08-19 Last updated: 2017-12-08Bibliographically approved

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Bäckström, Joakim

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