Flux Growth and X‐Ray Diffraction Study of the Crystal Structure of Ca/SrMoO4 Single Crystals,Crystal Research and Technology

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Flux Growth and X‐Ray Diffraction Study of the Crystal Structure of Ca/SrMoO4 Single Crystals
Crystal Research and Technology ( IF 1.5 ) Pub Date : 2020-04-08 , DOI: 10.1002/crat.201900206
Shoubao Zhang ₁ , Haitian Yu ₁ , Shuo Han ₁ , Meiyan Ni ₁ , Xiaoli Liu ₁ , Hongyan Zhao ₁ , Shaoshuai Zhou ₁

Affiliation

Single crystals of CaMoO₄ and SrMoO₄ are grown by a flux‐growth technique using the corresponding chlorides as the flux. The crystal structures of CaMoO₄ and SrMoO₄ are refined using powder X‐ray diffraction data: space group I 4₁/a (no. 88), Z = 4. Unlike SrMoO₄, which can be reduced to SrMoO₃, the CaMoO₄ decomposes to CaO and Mo in H₂/Ar (5%) flow. It is probably because the highly distorted MoO₄ tetrahedron in CaMoO₄ hinders the structural transition. The distortion of MoO₄ tetrahedron is also confirmed by their emission spectra.

中文翻译：

Ca / SrMoO4单晶的晶体结构的通量生长和X射线衍射研究

CaMoO ₄和SrMoO _4的单晶通过助熔剂生长技术，使用相应的氯化物作为助熔剂生长。CaMoO ₄和SrMoO ₄的晶体结构使用粉末X射线衍射数据精制：空间群I 4 ₁ / a（编号88），Z =4。与SrMoO ₄可以还原为SrMoO _3不同，CaMoO ₄在H ₂ / Ar（5％）流中分解为CaO和Mo。可能是因为CaMoO _4中高度变形的MoO ₄四面体阻碍了结构转变。MoO的变形通过其发射光谱也证实了₄四面体。

更新日期：2020-04-08

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