Dissertation
Dissertation > Mathematical sciences and chemical > Physics > High pressure and high temperature physics > High Pressure Physics

The Research of Gasket Heating High Temperature and High Pressure Device

Author LiangZuoZuo
Tutor ZouGuangTian;ZouBo
School Jilin University
Course Condensed Matter Physics
Keywords The gaskets heating high temperature and high pressure experimental apparatus Raman spectroscopy Diamond anvil Sanidine
CLC O521
Type Master's thesis
Year 2009
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The development of high - pressure science strongly dependent on technological breakthroughs and innovation of high temperature and high pressure diamond anvil high-pressure high-temperature technology is one of the important problems that need to be resolved in the high-pressure technology . Greatly promote the role and importance of the development of new technology for high-temperature high-pressure experiments on high pressure science . The basis of this thesis, the author summarizes the previous high-temperature and high-pressure experimental study on the establishment of a new gasket heating technology of high-temperature high-pressure experiments . Diamond anvil device (DAC) 5GPa, 1200K and 0.2 GPa , 1500K high temperature and high pressure experimental conditions . The use of this new type of high temperature and high pressure experimental techniques , high-temperature and high-pressure Raman spectroscopy study of igneous rocks of the important ingredients - natural feldspar sanidine . Was found to 6.7GPa when sanidine Raman peaks mutations in 19GPa sanidine Shifa Sheng an amorphous phase change . Buck experimental results show that the amorphous phase remains to the atmospheric state, the phase change is irreversible . The technology of high-temperature high-pressure experiments using a new gasket heat sanidine 0.3GPa, 1400K situ high-temperature and high-pressure Raman experiments . 5GPa the role of temperature was raised to 1100K process of its Raman spectrum with the temperature changes , there is obtained an irreversible amorphous phase sanidine . Thus illustrate the feasibility of the DAC high temperature and high pressure experimental techniques under the new high-pressure heated way .

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