aimiv2 (PO4)3家族新成员KCe2(PO4)3的合成及热行为

IF 0.8 Q4 NANOSCIENCE & NANOTECHNOLOGY Nanosystems: Physics, Chemistry, Mathematics Pub Date : 2023-02-28 DOI:10.17586/2220-8054-2023-14-1-112-119

T. O. Kozlova, D.N. Vasilyeva, D. Kozlov, M. Teplonogova, A. Baranchikov, N. Simonenko, V. Ivanov

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引用次数: 1

摘要

在KOH水溶液中对纳米级无定形磷酸铈凝胶进行水热处理，得到了一种新的kce2 (po4) 3相。对kce2 (po4) 3结构的改进表明，它与最近报道的(nh4) ce2 (po4) 3具有相同的结构。对于kce2 (po4) 3相，单元胞参数(sp. gr. c2 / C)为a = 17。3781(3)˚A, b = 6。7287(1)˚A, c = 7。9711(2)˚a， β = 102。(1)◦，v = 910。53(4)˚a 3, z = 4。kce2 (po4) 3在800℃下热分解，形成结晶型的cepo4和kpo3的混合物。

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Synthesis and thermal behavior of KCe2(PO4)3, a new full-member in the AIMIV 2 (PO4)3 family

A BSTRACT Hydrothermal treatment of nanoscale amorphous ceric phosphate gel in KOH aqueous solutions was found to result in a new KCe 2 (PO 4 ) 3 phase. The reﬁnement of the KCe 2 (PO 4 ) 3 structure showed that it was isostructural to recently reported (NH 4 )Ce 2 (PO 4 ) 3 . For the KCe 2 (PO 4 ) 3 phase, the unit cell parameters (sp. gr. C 2 /c ) were a = 17 . 3781(3) ˚A, b = 6 . 7287(1) ˚A, c = 7 . 9711(2) ˚A, β = 102 . 351(1) ◦ , V = 910 . 53(4) ˚A 3 , Z = 4 . The thermal decomposition of KCe 2 (PO 4 ) 3 at 800 ◦ C resulted in the mixture of crystalline CePO 4 and KPO 3 .

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来源期刊

Nanosystems: Physics, Chemistry, Mathematics NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

1.80

自引率

11.10%

发文量