Premium
An A‐Site Mixed‐Ammonium Solid Solution Perovskite Series of [(NH 2 NH 3 ) x (CH 3 NH 3 ) 1− x ][Mn(HCOO) 3 ] ( x =1.00–0.67)
Author(s) -
Chen Sa,
Shang Ran,
Wang BingWu,
Wang ZheMing,
Gao Song
Publication year - 2015
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201504396
Subject(s) - perovskite (structure) , ferroelectricity , solid solution , chemistry , ammonium , inorganic chemistry , phase transition , crystallography , materials science , dielectric , condensed matter physics , physics , organic chemistry , optoelectronics
The A‐site mixed‐ammonium solid solutions of metal–organic perovskites [(NH 2 NH 3 ) x (CH 3 NH 3 ) 1−x ][Mn(HCOO) 3 ] (x=1.00–0.67) exhibit para‐ to ferroelectric diffuse phase transitions with lowered transition temperatures from x=1.00 to 0.67. These properties are due to the decreased framework distortion and polarization in their low temperature ferroelectric phases caused by the increased CH 3 NH 3 + concentration.