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Ion beam irradiation of ABO(4) compounds with the fergusonite, monazite, scheelite, and zircon structures
de los Reyes, M; Aughterson, RD; Gregg, DJ; Middleburgh, SC; Zaluzec, NJ; Huai, P; Ren, CL; Lumpkin, GR
2020
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Volume103Issue:10Pages:5502-5514
Subtype期刊论文
AbstractThe effects of irradiation on CaWO4, SrWO4, BaWO4, YVO4, LaVO4, YNbO4, and LaNbO(4)were investigated on thin crystals using 1.0 MeV Kr ions at 50-1000 K. All of the ABO(4)compounds can be amorphized with calculated damage cross sections (sigma(a) = 1/F-c0) in the range of similar to 0.30-1.09 x 10(-14)cm(2)ion(-1)at zero Kelvin. The analysis of fluence-temperature data returned critical temperatures for amorphization (T-c) of 311 +/- 1, 358 +/- 90, 325 +/- 19, 415 +/- 17, 541 +/- 6, 636 +/- 26, and 1012 +/- 1 K, respectively, for the compounds listed above. Compared with previous in situ irradiation of ABO(4)orthophosphate samples using 0.8 MeV Kr ions, theT(c)values of LaVO(4)and YVO(4)are higher than those of LaPO(4)and YPO(4)by 82 K and 124 K, respectively. TheT(c)values of the three scheelite structures, CaWO4, SrWO4, and BaWO4, indicate that they are the most radiation tolerant compounds under these conditions. The A-B cation anti-site energies,E-fAB, determined by DFT range from 2.48 to 10.58 eV and are highly correlated with the A-B cation ionic radius ratio,r(A)/r(B), but are not correlated withT(c)across the different structure types, suggesting that the formation and migration energies of Frenkel defects play a more important role in damage recovery in these compounds. We also discuss the role of cation and anion charge/iconicity as determined by DFT. ABO(4)compounds with the zircon structure and B = P or V have a distinct advantage over those with B = Si as the damaged regions do not appear to be significantly affected by polymerization of (PO4)(3-)or (VO4)(3-)groups which might stabilize the amorphous fraction and ultimately lead to phase separation as observed in zircon (ZrSiO4).
KeywordCRYSTAL-STRUCTURE NEUTRON-DIFFRACTION RADIATION-DAMAGE TEMPERATURE TRANSFORMATION PYROCHLORE PHASE AMORPHIZATION TRANSITIONS REFINEMENT
DOI10.1111/jace.17288
Indexed BySCI ; EI
Language英语
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32963
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Australian Nucl Sci & Technol Org, Lucas Heights, NSW, Australia
2.Argonne Natl Lab, Photon Sci Div, Lemont, IL USA
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai, Peoples R China
4.Bangor Univ, Nucl Futures Inst, Bangor, Gwynedd, Wales
Recommended Citation
GB/T 7714
de los Reyes, M,Aughterson, RD,Gregg, DJ,et al. Ion beam irradiation of ABO(4) compounds with the fergusonite, monazite, scheelite, and zircon structures[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2020,103(10):5502-5514.
APA de los Reyes, M.,Aughterson, RD.,Gregg, DJ.,Middleburgh, SC.,Zaluzec, NJ.,...&Lumpkin, GR.(2020).Ion beam irradiation of ABO(4) compounds with the fergusonite, monazite, scheelite, and zircon structures.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,103(10),5502-5514.
MLA de los Reyes, M,et al."Ion beam irradiation of ABO(4) compounds with the fergusonite, monazite, scheelite, and zircon structures".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 103.10(2020):5502-5514.
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