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WS2(2H二硫化钨)

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单晶尺寸:~10mm

水晶结构:六角形

单元格参数 a = b = 0.315nm,c = 1.227nm,α=β= 90°,γ= 120° 

2H-WS2是间接带隙为?1.3eV的半导体。单层2H-WS2具有直接带隙。这些层通过范德华相互作用堆叠在一起,并且可以被剥离成薄的2D层。二硫化钨属于第VI族过渡金属二硫属元素(TMDC)。

2H相WS2晶体具有约0.8-1厘米的典型横向尺寸,呈六边形并具有金属外观。2H WS2是n型半导体,在室温下具有约10 14 cm -3的典型电荷载流子密度。


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