Cooperative Pseudo Jahn Teller distortion derives phase transitions in bismuth oxide
Cooperative Pseudo Jahn Teller distortion derives phase transitions in bismuth oxide
复制标题
协同伪 Jahn Teller 畸变导致氧化铋中的相变
DOI:
10.1016/j.matchemphys.2023.127534
复制
发表时间:
2023
影响因子:
4.6
通讯作者:
Vashaee, Daryoosh
中科院分区:
文献类型:
--
作者:
Dsouza, Kelvin;Vashaee, Daryoosh
Bismuth oxide exhibits a complex array of structures with a broad range of properties of various technological importance. We derive the phase transition pathway using the in-situ heating X-ray diffraction data, evidencing four polymorphs of α, β, δ, and γ. We prove that the observed phase transitions are due to the cooperative pseudo-Jahn-Teller distortion in the crystal originating from mixing the ground state Bi6sand excited Bi6pstates. Using the electron localization function and crystal orbital theory, we explore the role of the Bi3+lone pair in the second-order phase transition. It is found that the O2pstates have a critical role in stabilizing the lone pair activity, which leads to a pseudo-Jahn Teller distortion cooperatively inducing the phase transition.
登录
查看更多内容
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
B. Tsukerblat
通讯作者:
B. Tsukerblat
DOI:
--
发表时间:
2015
期刊:
影响因子:
--
作者:
Celia L. Gomez;O. Depablos;P. Silva;S. Muhl;A. Zeinert;M. Lejeune;S. Charvet;P. Barroy;E. Camps;S. Rodil
通讯作者:
S. Rodil
影响因子:
4.6
作者:
Vila, M.;Diaz-Guerra, C.;Piqueras, J.
通讯作者:
Piqueras, J.
DOI:
--
发表时间:
1996
期刊:
影响因子:
--
作者:
N. Medvedeva;V. Zhukov;D. Novikov;V. Gubanov
通讯作者:
V. Gubanov