Solutions of 0.001 M FeCl3 in water were used as catalysts. SWCNTs were synthesized in a quartz tube at 925°C
under a flow of mixed Ar/ethanol gas at the rates of 150 and 400 cm3/min, respectively. The ethanol CVD method
produced long, suspended SWCNTs across the slits of Si substrates. Individual SWCNTs were picked up by a
custom-designed manipulator and placed on a microscale thermal conductivity test fixture [12]. As shown in Fig. 2,
the test fixture consists of two integrated Pt film resistors supported by suspended SiNx pads. The Pt film resistors
serve as independent heaters and sensors for measuring the Joule heating power (P) and temperature variations (