期刊
INORGANIC CHEMISTRY FRONTIERS
卷 6, 期 10, 页码 2718-2726出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qi00699k
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资金
- China Scholarship Council
- UNSW
- Australian Research Council DECRA program [DE160100237]
- Australian Research Council DP program [DP170100269]
- Royal Society of Chemistry
- EPSRC [EP/N509462/1]
- EPSRC [1748723] Funding Source: UKRI
The activation of Sc-2(WO4)(3)via electrochemical discharge against potassium metal is investigated, as well as the subsequent thermal evolution of Sc-2(WO4)(3). On subsequent heating from 100 to 623 K the discharged electrode exhibits essentially the same thermal expansion as that of the pure powder. Between 673 and 973 K a trigonal K2WO4-type phase (P3m1) is formed. Variable-temperature X-ray diffraction data indicates that upon heating from 923 K-1023 K, this phase has a thermal expansion coefficient of -1.90(10) x 10(-4) K-1.
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