High pure wurtzite structure GaN has been synthesized by gas reaction method.Its structure was determined by powder x-ray diffraction using the Rietveld technique.The heat capacity Cp was measured from 113 to 1073 K,w...High pure wurtzite structure GaN has been synthesized by gas reaction method.Its structure was determined by powder x-ray diffraction using the Rietveld technique.The heat capacity Cp was measured from 113 to 1073 K,which can be represented by Cp=0.362+3.010 × 10^(-4)T-3.411 × 10^(3)T-2-7.791 × 10^(-8)T^(2).No measurable phase transition was observed in this temperature range.展开更多
基金Supported by the Chinese Academy of Sciences under Contract No.KJ952-J1-411.
文摘High pure wurtzite structure GaN has been synthesized by gas reaction method.Its structure was determined by powder x-ray diffraction using the Rietveld technique.The heat capacity Cp was measured from 113 to 1073 K,which can be represented by Cp=0.362+3.010 × 10^(-4)T-3.411 × 10^(3)T-2-7.791 × 10^(-8)T^(2).No measurable phase transition was observed in this temperature range.
