Negative thermal expansion in framework structure materials
Negative thermal expansion (NTE) is a counterintuitive physical phenomenon that the unit
cell volume of material usually contracts instead of expands upon heating. With two …
cell volume of material usually contracts instead of expands upon heating. With two …
Negative thermal expansion and associated anomalous physical properties: review of the lattice dynamics theoretical foundation
Negative thermal expansion (NTE) is the phenomenon in which materials shrink rather than
expand on heating. Although NTE had been previously observed in a few simple materials …
expand on heating. Although NTE had been previously observed in a few simple materials …
Dynamic Stereochemical Activity of the Sn2+ Lone Pair in Perovskite CsSnBr3
Stable s2 lone pair electrons on heavy main-group elements in their lower oxidation states
drive a range of important phenomena, such as the emergence of polar ground states in …
drive a range of important phenomena, such as the emergence of polar ground states in …
Pronounced Negative Thermal Expansion from a Simple Structure: Cubic ScF3
BK Greve, KL Martin, PL Lee, PJ Chupas… - Journal of the …, 2010 - ACS Publications
Scandium trifluoride maintains a cubic ReO3 type structure down to at least 10 K, although
the pressure at which its cubic to rhombohedral phase transition occurs drops from> 0.5 GPa …
the pressure at which its cubic to rhombohedral phase transition occurs drops from> 0.5 GPa …
Reentrant structural and optical properties and large positive thermal expansion in perovskite formamidinium lead iodide
The structure of the hybrid perovskite HC (NH2) 2PbI3 (formamidinium lead iodide) reflects
competing interactions associated with molecular motion, hydrogen bonding tendencies …
competing interactions associated with molecular motion, hydrogen bonding tendencies …
Significance of hydrogen bonding and other noncovalent interactions in determining octahedral tilting in the CH3NH3PbI3 hybrid organic-inorganic halide …
Abstract The CH3NH3PbI3 (methylammonium lead triiodide) perovskite semiconductor
system has been viewed as a blockbuster research material during the last five years …
system has been viewed as a blockbuster research material during the last five years …
Phonons and anomalous thermal expansion behaviour in crystalline solids
Anomalous thermal expansion behaviour of several open frame-work compounds has been
extensively investigated using the techniques of inelastic neutron scattering and lattice …
extensively investigated using the techniques of inelastic neutron scattering and lattice …
First-principles study of phonon anharmonicity and negative thermal expansion in
The microscopic origin of the large negative thermal expansion of cubic scandium
trifluorides (ScF 3) is investigated by performing a set of anharmonic free-energy …
trifluorides (ScF 3) is investigated by performing a set of anharmonic free-energy …
Strong Negative Thermal Expansion in a Low-Cost and Facile Oxide of Cu2P2O7
Negative thermal expansion (NTE) behaviors have been observed in various types of
compounds. The achievement in the merits of promising low-cost and facile NTE oxides …
compounds. The achievement in the merits of promising low-cost and facile NTE oxides …
Defect-dependent colossal negative thermal expansion in UiO-66 (Hf) metal–organic framework
Thermally-densified hafnium terephthalate UiO-66 (Hf) is shown to exhibit the strongest
isotropic negative thermal expansion (NTE) effect yet reported for a metal–organic …
isotropic negative thermal expansion (NTE) effect yet reported for a metal–organic …