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Nanoscale resolution scanning thermal microscopy using carbon nanotube tipped thermal probes

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Figure

Fig. 1.  CNT-SThM probe assembly showing: (a) CNT deposition onto the Au coated Si stub; (b) removal of small square of that stub with CNTs sticking out over the edge for attachment using a nano-manipulator; (c) attachment of CNT by Pt deposition to the ST
Figure 2. SEM images of the assembled of CNT-SThM probe (a). to the probe.and after contact SThM scanning Insets show the same probe before - i, and (higher magnification) - ii – iii, indicating no observable damage
Fig. 3. Schematic diagram of SThM measurement electronics including the Maxwell bridge, the generator applying AC voltage and DC offset; bridge AC output detected by the lock-in amplifier is a linear function of the thermal sensor temperature
Figure 4. Analytical model of the SThM probe. Heat generated in the probe is dissipated to the cantilever base and the ambient air via thermal resistance Rc, as well as to the sample via series of thermal resistances CNT-heater - RCNT-heater, the resistanc
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