A new method to detect multidomain phase transition by measuring the depolarization of transmitted light is reported.As an example,the ferroelastic phase transition in LiKSO4 was investigated in more detail.It was fou...A new method to detect multidomain phase transition by measuring the depolarization of transmitted light is reported.As an example,the ferroelastic phase transition in LiKSO4 was investigated in more detail.It was found that the multidomain phase F3 was ferroelastic.More accurate transition temperatures between phases F2 and F3 in cooling and heating cycle were determined to be-85℃ and-79℃ respectively.展开更多
Chrysoberyl AI:BeO4 is isomorphous with olivine (MgFe)2SIO4, and belongs to orthorhombic system with space group P?m?-D2h16. Vibrational properties of olivine and Mg2SiO4 have been extensively investigated for the s...Chrysoberyl AI:BeO4 is isomorphous with olivine (MgFe)2SIO4, and belongs to orthorhombic system with space group P?m?-D2h16. Vibrational properties of olivine and Mg2SiO4 have been extensively investigated for the sake of geophysics and mineralogy, while the vibrational properties of Al2BeO4, was less studied. It is found展开更多
文摘A new method to detect multidomain phase transition by measuring the depolarization of transmitted light is reported.As an example,the ferroelastic phase transition in LiKSO4 was investigated in more detail.It was found that the multidomain phase F3 was ferroelastic.More accurate transition temperatures between phases F2 and F3 in cooling and heating cycle were determined to be-85℃ and-79℃ respectively.
文摘Chrysoberyl AI:BeO4 is isomorphous with olivine (MgFe)2SIO4, and belongs to orthorhombic system with space group P?m?-D2h16. Vibrational properties of olivine and Mg2SiO4 have been extensively investigated for the sake of geophysics and mineralogy, while the vibrational properties of Al2BeO4, was less studied. It is found