965350.fig.001a
(a)
965350.fig.001b
(b)
965350.fig.001c
(c)
Figure 1: (a) Quartz tube of length 24 cm and diam. 1cm containing mixture of Sb, Te, and I in equal portion. (b) Quartz tube (M) kept in a tubular furnace and (c) photograph of needle shaped SbTeI.