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X-ray photoelectron spectroscopy study of irradiation-induced amorphizaton of Gd2Ti2O7Gd2Ti2O7

dc.contributor.authorChen, J.en_US
dc.contributor.authorLian, J.en_US
dc.contributor.authorWang, L. M.en_US
dc.contributor.authorEwing, Rodney C.en_US
dc.contributor.authorBoatner, L. A.en_US
dc.date.accessioned2010-05-06T23:04:35Z
dc.date.available2010-05-06T23:04:35Z
dc.date.issued2001-09-24en_US
dc.identifier.citationChen, J.; Lian, J.; Wang, L. M.; Ewing, R. C.; Boatner, L. A. (2001). "X-ray photoelectron spectroscopy study of irradiation-induced amorphizaton of Gd2Ti2O7Gd2Ti2O7." Applied Physics Letters 79(13): 1989-1991. <http://hdl.handle.net/2027.42/71018>en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/71018
dc.description.abstractThe radiation-induced evolution of the microstructure of Gd2Ti2O7,Gd2Ti2O7, an important pyrochlore phase in radioactive waste disposal ceramics and a potential solid electrolyte and oxygen gas sensor, has been characterized using transmission electron microscopy and x-ray photoelectron spectroscopy. Following the irradiation of a Gd2Ti2O7Gd2Ti2O7 single crystal with 1.5 MeV Xe+Xe+ ions at a fluence of 1.7×1014 Xe+/cm2,1.7×1014Xe+/cm2, cross-sectional transmission electron microscopy revealed a 300-nm-thick amorphous layer at the specimen surface. X-ray photoelectron spectroscopy analysis of the Ti 2p2p and O 1s1s electron binding energy shifts of Gd2Ti2O7Gd2Ti2O7 before and after amorphization showed that the main results of ion-irradiation-induced disorder are a decrease in the coordination number of titanium and a transformation of the Gd–O bond. These features resemble those occurring in titanate glass formation, and they have implications for the chemical stability and electronic properties of pyrochlores subjected to displacive radiation damage. © 2001 American Institute of Physics.en_US
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dc.publisherThe American Institute of Physicsen_US
dc.rights© The American Institute of Physicsen_US
dc.titleX-ray photoelectron spectroscopy study of irradiation-induced amorphizaton of Gd2Ti2O7Gd2Ti2O7en_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, Michigan 48109-2104en_US
dc.contributor.affiliationotherSolid State Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6056en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/71018/2/APPLAB-79-13-1989-1.pdf
dc.identifier.doi10.1063/1.1402647en_US
dc.identifier.sourceApplied Physics Lettersen_US
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dc.owningcollnamePhysics, Department of


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