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Afre et al. [8] have developed a CVD with spray techniques (Figure 1.9A) to get epitaxial growth of aligned, continuous (Figure 1.9B), catalyst-free carbon nanofiber from vapor of turpentine oil. Aligned CNF possesses properties like high mechanical strength, high directional electrical conductivity, and high thermal conductivity. The main difference between the CVD unit described in Figure 1.8 and 1.9 is the inclusion of a spray facility so that solution containing precursor and the catalyst sprays its liquid in the furnace like a cloud of material.