Molybdenum Posphide
【China Molybdenum Industry News Network】
Mo3P and MoP were synthesized at 800 °C and 650 °C respectively via a two-step sintering method (Experimental section, ESI†), whilst metal Mo was obtained by reducing MoO3 in H2 at 850 °C.
The peaks are well indexed to the standard XRD profiles and no major impurities are detected. Metal Mo, in a cubic pack (ICSD code: 643962) belongs to Imm (229). After the incorporation of phosphorus to form Mo3P, it evolves into a tetragonal structure.
Its XRD pattern confirms its I2m (121) space group in Fig. 1b, with the Mo atom being either 2 or 4-coordinated by P atoms. Further phosphorization leads to MoP, in an hexagonal structure (Pm2), with Mo 6-coordinated by P atoms.
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