Abstract
Thermal conductivities (κ) of melt-grown bulk ZnO samples thermally treated under different conditions were measured using scanning thermal microscopy. Samples annealed in air at 1050°C for 3 h and treated with N-plasma at 750°C for 1 min. exhibited κ=1.35±0.08 W/cm-K and κ=1.47±0.08 W/cm-K, respectively. These are the highest values reported for ZnO. Atomic force microscopy (AFM) and conductive-AFM measurements revealed that surface carrier concentration as well as surface morphology affected the thermal conductivity.
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Özgür, Ü., Gu, X., Chevtchenko, S. et al. Thermal conductivity of bulk ZnO after different thermal treatments. J. Electron. Mater. 35, 550–555 (2006). https://doi.org/10.1007/s11664-006-0098-9
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DOI: https://doi.org/10.1007/s11664-006-0098-9