High-Pressure Stability and Compressibility of Zircon-Type YV1-xPxO4:Eu3+ Solid-Solution Nanoparticles: An X-ray Diffraction and Raman Spectroscopy Study
Yuan, HS; Wang, K; Li, SR; Tan, X; Li, Q; Yan, TT; Yang, K; Liu, J; Liu, BB; Zou, GT; Zou, B;刘景
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2013
卷号117期号:36页码:18603-18612
学科分类Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/jp405405t
英文摘要We probed the high-pressure response of the YV1-xPxO4:Eu3+ (x = 0, 0.5, 0.7, 1.0) solid-solution nanoparticles using angular dispersive synchrotron X-ray diffraction (XRD) and Raman techniques at room temperature. In situ diffraction results showed that the overall nanoparticles underwent an irreversible zircon-to-scheelite structural transformation. The transition pressures were similar to 9.3, similar to 12.1, similar to 14, and similar to 18.4 GPa for the YV1-xPxO4:Eu3+ (x = 0, 0.5, 0.7, 1.0). samples, respectively. Coupled with the zircon-to-scheelite transition features, it was proposed that the transition pressure was probably governed by the stiffness of VO4/PO4 units in the solid solutions. This claim was verified by further Raman measurements, which revealed that the stiffness of VO4/PO4 units was enhanced with increasing P contents. The structural refinements showed that the samples with comparable particle size (20-90 nm) became less compressible with increasing P. content (x 0 -> 0.7 -> 1.0). However, the compressibility of the YV1-xPxO4:Eu3+ sample with smaller particle size (10-30 nm) was similar to that of the YV1-xPxO4:Eu3+ sample. The general compressibility behavior as a function of P content was ascribed to the special packing style related to the stiffness of VO4/PO4 tetrahedra in zircon structure, and the higher surface energy contribution was responsible for the exceptional compressibility in the smaller nanoparticles.
收录类别SCI
WOS记录号WOS:000330162700037
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224360
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Yuan, HS,Wang, K,Li, SR,et al. High-Pressure Stability and Compressibility of Zircon-Type YV1-xPxO4:Eu3+ Solid-Solution Nanoparticles: An X-ray Diffraction and Raman Spectroscopy Study[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2013,117(36):18603-18612.
APA Yuan, HS.,Wang, K.,Li, SR.,Tan, X.,Li, Q.,...&Zou, B;刘景.(2013).High-Pressure Stability and Compressibility of Zircon-Type YV1-xPxO4:Eu3+ Solid-Solution Nanoparticles: An X-ray Diffraction and Raman Spectroscopy Study.JOURNAL OF PHYSICAL CHEMISTRY C,117(36),18603-18612.
MLA Yuan, HS,et al."High-Pressure Stability and Compressibility of Zircon-Type YV1-xPxO4:Eu3+ Solid-Solution Nanoparticles: An X-ray Diffraction and Raman Spectroscopy Study".JOURNAL OF PHYSICAL CHEMISTRY C 117.36(2013):18603-18612.
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