Stabilized Charge, Spin, and Orbital Ordering by the 6s2 Lone Pair in Bi0.5Pb0.5MnO3 | Zendy

Shogo Wakazaki | Zendy; Takumi Nishikubo | Zendy; Yuki Sakai | Zendy; Kei Shigematsu | Zendy; Hena Das | Zendy; Depei Zhang | Zendy; Qiang Zhang | Zendy; M. Matsuda | Zendy; Masaki Azuma | Zendy

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Stabilized Charge, Spin, and Orbital Ordering by the 6s² Lone Pair in Bi_0.5Pb_0.5MnO₃

Author(s) -

Shogo Wakazaki,

Takumi Nishikubo,

Yuki Sakai,

Kei Shigematsu,

Hena Das,

Depei Zhang,

Qiang Zhang,

M. Matsuda,

Masaki Azuma

Publication year - 2020

Publication title -

inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 233

eISSN - 1520-510X

pISSN - 0020-1669

DOI - 10.1021/acs.inorgchem.0c01748

Subject(s) - chemistry , charge ordering , ion , perovskite (structure) , lone pair , crystallography , charge (physics) , spin (aerodynamics) , distortion (music) , spin states , condensed matter physics , inorganic chemistry , molecule , physics , organic chemistry , quantum mechanics , thermodynamics , amplifier , optoelectronics , cmos

Bi and Pb ions with charge degree of freedom depending on 6 s 2 and 6 s 0 electronic configurations were combined with the Mn ion in a perovskite oxide. Comprehensive theoretical and experimental investigations revealed the Bi 3+ 0.5 Pb 2+ 0.5 Mn 3+ 0.5 Mn 4+ 0.5 O 3 charge ordered state with CE-type spin and d z 2 orbital orderings as observed in La 0.5 Ca 0.5 MnO 3 , Nd 0.5 Sr 0.5 MnO 3 , and Bi 0.5 Sr 0.5 MnO 3 . The charge and orbital orderings were preserved above 500 K owing to the stereochemical activity of Bi 3+ and Pb 2+ ions which stabilized the structural distortion.

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