Fabrication of nanocrystalline and amorphous Chevrel phase PbMo_6S_8 powder by ball milling

机译：球磨用纳米晶和无定形骨架相PbmO_6S_8粉末的制备

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Chevrel phase PbMo_6S_8 (PMS) superconducting powder ball-milled from 5 to 200 h has been investigated using X-ray diffraction (XRD) and scanning and transmission electron microscopy. Ball milling produced particles with crystallites of PMS in the range 10-100 nm and amorphous phase. From XRD data, it was found that the crystallite size decreased and lattice strain increased with increasing milling time until by 200 h the material was predominantly amorphous. The powder ball-milled for 100 h was subsequently annealed at temperatures from 400 to 1000°C for 8 h. Annealing at 600°C and above released the lattice strain. At 800°C and above the amorphous phase crystallised and grains coarsened with sizes in the range 50-100 nm.

机译：使用X射线衍射（XRD）和扫描和透射电子显微镜研究，研究了从5至200小时的超导粉末球磨削的超导粉末球。球铣削颗粒的颗粒，具有10-100nm和无定形相的PMS的微晶。从XRD数据中，发现微晶尺寸降低，晶格菌株随着铣削时间的增加而增加，直至200小时，材料主要是无定形的。随后在400至1000℃的温度下将粉末球研磨为100小时8小时。在600°C和上方退火释放了晶格菌株。在800°C且高于非晶相结晶和粗糙的晶粒，尺寸在50-100nm的范围内。

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《European conference on applied superconductivity》|2002年||共3页
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H.J. Niu; D.P. Hampshire;
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中图分类 O511.9;
关键词
PbMo_6S_8; milling; annealing; nanocrystal; amorphous;

机译：pbmo_6s_8;铣削;退火;纳米晶体;无定形的;

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3. Fabrication of nanocrystalline and amorphous Chevrel phase PbMo6S8 powder by ball milling [J] . Niu HJ., Hampshire DP. Physica, C. Superconductivity and its applications . 2002,第Pta2期

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Fabrication of nanocrystalline and amorphous Chevrel phase PbMo_6S_8 powder by ball milling

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