Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe Irradiation

This paper reports on the preparation of xenotime-structured ceramics using the Spark Plasma Sintering (SPS) method. Y<sub>0.95</sub>Gd<sub>0.05</sub>PO<sub>4</sub> (YPO<sub>4</sub>:Gd) phosphates were obtained using the sol-gel method. The synthesized...

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Main Authors: Dmitriy A. Mikhaylov, Ekaterina A. Potanina, Aleksey V. Nokhrin, Albina I. Orlova, Pavel A. Yunin, Nikita V. Sakharov, Maksim S. Boldin, Oleg A. Belkin, Vladimir A. Skuratov, Askar T. Issatov, Vladimir N. Chuvil’deev, Nataliya Y. Tabachkova
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Ceramics
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Online Access:https://www.mdpi.com/2571-6131/5/2/19
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author Dmitriy A. Mikhaylov
Ekaterina A. Potanina
Aleksey V. Nokhrin
Albina I. Orlova
Pavel A. Yunin
Nikita V. Sakharov
Maksim S. Boldin
Oleg A. Belkin
Vladimir A. Skuratov
Askar T. Issatov
Vladimir N. Chuvil’deev
Nataliya Y. Tabachkova
author_facet Dmitriy A. Mikhaylov
Ekaterina A. Potanina
Aleksey V. Nokhrin
Albina I. Orlova
Pavel A. Yunin
Nikita V. Sakharov
Maksim S. Boldin
Oleg A. Belkin
Vladimir A. Skuratov
Askar T. Issatov
Vladimir N. Chuvil’deev
Nataliya Y. Tabachkova
author_sort Dmitriy A. Mikhaylov
collection DOAJ
description This paper reports on the preparation of xenotime-structured ceramics using the Spark Plasma Sintering (SPS) method. Y<sub>0.95</sub>Gd<sub>0.05</sub>PO<sub>4</sub> (YPO<sub>4</sub>:Gd) phosphates were obtained using the sol-gel method. The synthesized powders were nanodispersed and were agglomerated (the agglomerates sizes were 10–50 µm). The ceramics had a fine-grained microstructure and a high relative density (98.67 ± 0.18%). The total time of the SPS process was approximately 18 min. The sintered high-density YPO<sub>4</sub>:Gd ceramics with a xenotime structure were irradiated with <sup>132</sup>Xe<sup>+26</sup> ions with 167 MeV of energy and fluences in the range of 1 × 10<sup>12</sup>–3 × 10<sup>13</sup> cm<sup>−2</sup>. Complete amorphization was not achieved even at the maximum fluence. The calculated value of the critical fluence was (9.2 ± 0.1) × 10<sup>14</sup> cm<sup>−2</sup>. According to the results of grazing incidence X-ray diffraction (GIXRD), the volume fraction of the amorphous structure increased from 20 to 70% with increasing fluence from 1 × 10<sup>12</sup> up to 3 × 10<sup>13</sup> cm<sup>−2</sup>. The intensity of the 200 YPO<sub>4</sub>:Gd XRD peak reached ~80% of the initial intensity after recovery annealing (700 °C, 18 h).
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spelling doaj.art-7edd525f7f1c4d769e8ec7e4d166ac992023-11-23T16:02:37ZengMDPI AGCeramics2571-61312022-06-015223725210.3390/ceramics5020019Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe IrradiationDmitriy A. Mikhaylov0Ekaterina A. Potanina1Aleksey V. Nokhrin2Albina I. Orlova3Pavel A. Yunin4Nikita V. Sakharov5Maksim S. Boldin6Oleg A. Belkin7Vladimir A. Skuratov8Askar T. Issatov9Vladimir N. Chuvil’deev10Nataliya Y. Tabachkova11Materials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaG.N. Flerov Laboratory of Nuclear Reactions, Joint Institute of Nuclear Research, 141980 Dubna, RussiaG.N. Flerov Laboratory of Nuclear Reactions, Joint Institute of Nuclear Research, 141980 Dubna, RussiaMaterials Science Department, Physical and Technical Research Institute, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, RussiaCenter Collective Use “Materials Science and Metallurgy”, National University of Science and Technology “MISIS”, 119991 Moscow, RussiaThis paper reports on the preparation of xenotime-structured ceramics using the Spark Plasma Sintering (SPS) method. Y<sub>0.95</sub>Gd<sub>0.05</sub>PO<sub>4</sub> (YPO<sub>4</sub>:Gd) phosphates were obtained using the sol-gel method. The synthesized powders were nanodispersed and were agglomerated (the agglomerates sizes were 10–50 µm). The ceramics had a fine-grained microstructure and a high relative density (98.67 ± 0.18%). The total time of the SPS process was approximately 18 min. The sintered high-density YPO<sub>4</sub>:Gd ceramics with a xenotime structure were irradiated with <sup>132</sup>Xe<sup>+26</sup> ions with 167 MeV of energy and fluences in the range of 1 × 10<sup>12</sup>–3 × 10<sup>13</sup> cm<sup>−2</sup>. Complete amorphization was not achieved even at the maximum fluence. The calculated value of the critical fluence was (9.2 ± 0.1) × 10<sup>14</sup> cm<sup>−2</sup>. According to the results of grazing incidence X-ray diffraction (GIXRD), the volume fraction of the amorphous structure increased from 20 to 70% with increasing fluence from 1 × 10<sup>12</sup> up to 3 × 10<sup>13</sup> cm<sup>−2</sup>. The intensity of the 200 YPO<sub>4</sub>:Gd XRD peak reached ~80% of the initial intensity after recovery annealing (700 °C, 18 h).https://www.mdpi.com/2571-6131/5/2/19xenotimeceramicsspark plasma sinteringmicrostructureGIXRDmetamict phase
spellingShingle Dmitriy A. Mikhaylov
Ekaterina A. Potanina
Aleksey V. Nokhrin
Albina I. Orlova
Pavel A. Yunin
Nikita V. Sakharov
Maksim S. Boldin
Oleg A. Belkin
Vladimir A. Skuratov
Askar T. Issatov
Vladimir N. Chuvil’deev
Nataliya Y. Tabachkova
Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe Irradiation
Ceramics
xenotime
ceramics
spark plasma sintering
microstructure
GIXRD
metamict phase
title Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe Irradiation
title_full Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe Irradiation
title_fullStr Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe Irradiation
title_full_unstemmed Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe Irradiation
title_short Investigation of the Microstructure of Fine-Grained YPO<sub>4</sub>:Gd Ceramics with Xenotime Structure after Xe Irradiation
title_sort investigation of the microstructure of fine grained ypo sub 4 sub gd ceramics with xenotime structure after xe irradiation
topic xenotime
ceramics
spark plasma sintering
microstructure
GIXRD
metamict phase
url https://www.mdpi.com/2571-6131/5/2/19
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