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Citation: Fu Zhengmin*, Li Wenxiu, Liu Yongqing, Li Junfang. IVESTIGATION OF THE PSEUDO-BINARY SYSTEM Li₂WO₄-MgWO₄[J]. Acta Physico-Chimica Sinica, ;1988, 4(03): 320-324. doi: 10.3866/PKU.WHXB19880318 shu

IVESTIGATION OF THE PSEUDO-BINARY SYSTEM Li₂WO₄-MgWO₄

1.
Institute of Physics; Academia Sinica; Beijing

Received Date: 20 October 1986
Available Online: 15 June 1988

The phase diagram of a pseudo-binary system Li_2WO_4-MgWO_4 has been investigated by means of DTA and X-ray powder diffraction methods. In Li_2WO_4-MgWO_4 system, a new compound Li_2Mg_2(WO_4)_3 is formed by peritectic reaction a+L<=>x at 1010 ℃. The compound Li_2Mg_2(WO_4)_3 belongs to orthorhombic system with space group Pnam. The lattice parameters at room temperature are a=0.5112, b=1.7612 and c=1.0462 nm. The measured density is D_m=5.48 gcm~(-3), and Z=4.
The new compound Li_2Mg_2(WO_4)_3 is an ionic conductor.
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IVESTIGATION OF THE PSEUDO-BINARY SYSTEM Li2WO4-MgWO4

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IVESTIGATION OF THE PSEUDO-BINARY SYSTEM Li₂WO₄-MgWO₄