High temperature Raman spectra of Sr2Bi4Ti5O18 have been investigated. A first order phase transition induced by a soft mode occurs at its Curie temperature. The soft mode is connected with the unstable Bi3+ ion displacement in the perovskite-like layers.
机构:
Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R ChinaNanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Zhang, ST
Xiao, CS
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Xiao, CS
Fang, AA
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Fang, AA
Yang, B
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Yang, B
Sun, B
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Sun, B
Chen, YF
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Chen, YF
Liu, ZG
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
Liu, ZG
Ming, NB
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
机构:Nanjing Univ, Ctr Mat Anal, Natl Lab Solid State Microstruct, Dept Phys, Nanjing 210093, Peoples R China
Wang, J
Cheng, GX
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Ctr Mat Anal, Natl Lab Solid State Microstruct, Dept Phys, Nanjing 210093, Peoples R ChinaNanjing Univ, Ctr Mat Anal, Natl Lab Solid State Microstruct, Dept Phys, Nanjing 210093, Peoples R China
Cheng, GX
Zhang, ST
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Ctr Mat Anal, Natl Lab Solid State Microstruct, Dept Phys, Nanjing 210093, Peoples R China
Zhang, ST
Cheng, HW
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Ctr Mat Anal, Natl Lab Solid State Microstruct, Dept Phys, Nanjing 210093, Peoples R China
Cheng, HW
Chen, YF
论文数: 0引用数: 0
h-index: 0
机构:Nanjing Univ, Ctr Mat Anal, Natl Lab Solid State Microstruct, Dept Phys, Nanjing 210093, Peoples R China