Annealing-induced lattice recovery in room-temperature xenon irradiated CeO2: X-ray diffraction and electron energy loss spectroscopy experiments

Janne Pakarinen; Lingfeng He; Abdel-Rahman Hassan; Yongqiang Wang; Mahima Gupta; Anter El-Azab; Todd Allen

doi:10.1557/jmr.2015.13

Annealing-induced lattice recovery in room-temperature xenon irradiated CeO2: X-ray diffraction and electron energy loss spectroscopy experiments

Janne Pakarinen, Lingfeng He, Abdel-Rahman Hassan, Yongqiang Wang, Mahima Gupta, Anter El-Azab, Todd Allen

Research output › peer-review

Abstract

A systematic study on irradiation induced lattice expansion and subsequent lattice relaxation by post-irradiation annealing was reported. The XRD observations were accompanied by electron-energy loss spectroscopy experiments in TEM. It was concluded that the lattice relaxation upon annealing is likely due annihilation of O vacancies but also due to annihilation of irradiation damage.

Original language	English
Pages (from-to)	1555-1562
Journal	Journal of Materials Research
Volume	30
Issue number	9
DOIs	https://doi.org/10.1557/jmr.2015.13
State	Published - 14 May 2015

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title = "Annealing-induced lattice recovery in room-temperature xenon irradiated CeO2: X-ray diffraction and electron energy loss spectroscopy experiments",

abstract = "A systematic study on irradiation induced lattice expansion and subsequent lattice relaxation by post-irradiation annealing was reported. The XRD observations were accompanied by electron-energy loss spectroscopy experiments in TEM. It was concluded that the lattice relaxation upon annealing is likely due annihilation of O vacancies but also due to annihilation of irradiation damage.",

keywords = "CeO2, ion irradiation, lattice expansion",

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AU - Wang, Yongqiang

AU - Gupta, Mahima

AU - El-Azab, Anter

AU - Allen, Todd

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AB - A systematic study on irradiation induced lattice expansion and subsequent lattice relaxation by post-irradiation annealing was reported. The XRD observations were accompanied by electron-energy loss spectroscopy experiments in TEM. It was concluded that the lattice relaxation upon annealing is likely due annihilation of O vacancies but also due to annihilation of irradiation damage.

KW - CeO2

KW - ion irradiation

KW - lattice expansion

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