High- and low-temperature dual ferroelasticity in a new hybrid crystal: (Me3NCH2CH2OH)4[Ni(NCS)6]

Ferroelasticity, thermochromism, semi-conductivity, and ferromagnetism in a new layered perovskite: (4-fluorophenethylaminium)2[CuCl4]

“…[1][2][3] Therein, controlling and switching multiple physical channels such as optics, thermodynamics, magnetics, and electrics are interesting topics because their special coupling effects, such as optoelectronic, thermo-optical, magneto-optical, thermoelectric, and magnetoelectric, may consequently lead to novel multifunctional devices. [4][5][6][7] The coexistence of physical properties in a single phase makes the material have the capability to handle a variety of tasks, enabling them with potential application prospects in intelligent systems such as sensors, switches, and actuator devices. 1,8 Thus, the exploration of combining multiple physical channels simultaneously into a single material has been a long-term pursuit of scientists.…”

Subtly tuning intermolecular hydrogen bonds in hybrid crystals to achieve ultrahigh-temperature molecular ferroelastic

“…It should be emphasized that the ferroelastic T c values of 463 and 495 K in 2 are much higher than those in other molecular perovskite ferroelastics (Table S7 † ), such as (1-fluoro-4-methyl-1,4-diazoniabicyclo[2.2.2]octanium)Rb(BF 4 ) 3 (ref. 45 ) (231 and 310 K), (Me 3 NCH 2 CH 2 OH) 4 [Ni(NCS) 6 ] 33 (269 and 360 K), and (cyclopentyltrimethylphosphonium)[Cd(SCN) 3 ] 46 (335 and 349 K). On the basis of the comparison between 1 and 2, it is clear that the high thermal stability ( T d = 570 K) of 2 paves the way for the multi-step tumbling motions of the organic cations to promote its ultrahigh- T c ferroelastic transitions.…”

“…To demonstrate this design principle through subtle molecular design, as one of our ongoing studies on multicomponent hybrid crystals based on hydroxyl-containing polar cations, 22,[33][34][35][36] herein we present two nice instances belonging to hexagonal perovskites (Scheme 2), (Hnto)[CdCl 3 ] (1, Hnto + = nortropinonium) and (Hntp)[CdCl 3 ] (2, Hntp + = nortropinium). They are consisting of same inorganic components but different organic cations featuring with a rigid carbonyl group in 1 and a flexible hydroxyl group in 2.…”

Nonlinear Optical Glass‐Ceramic From a New Polar Phase‐Transition Organic‐Inorganic Hybrid Crystal

“…In our recent studies, we found some nontrivial phase transitions such as solid–liquid transitions in a new family of hybrid crystals consisting of relatively‐stable discrete inorganic [Ni(NCS) 6 ] 4− anions and diverse organic ammonium cations [29, 30] . These findings inspired us that the controllable abundant weak intermolecular interactions between the relatively stable components ensure such kind of hybrid crystals as a new platform in designing unconventional crystal‐liquid‐glass transitions.…”