In addition, they do not need to be poled because they directly crystallize from melt or solution into the ferroelectric (β-) phase. Piezoelectricity in these materials is related to the electronegativity difference in hydrogen and fl uorine atoms, which determines an effective dipole moment in the direction normal to the carbon backbone. Consequently, these fi lms or nanostructures are often u...

Perfluoroalkyl and polyfluoroalkyl substances (PFASs) are a class of fluorinated organic chemicals containing at least one fully fluorinated carbon atom. The C-F bond is one of the strongest known covalent bonds, and the multiple C-F bonds in PFASs impart their chemical and thermal stability. The strength of the C-F bond arises, in part, from the electronegativity of the fluorine atom and from ...

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Molecules with unstable isotopes often contain heavy and deformed nuclei thus possess a high sensitivity to parity-violating effects, such as Schiff moments. Currently the best limits on moments are set diamagnetic atoms. Polar molecules quantum-enhanced sensing capabilities, however, can offer better sensitivity. In this work, we consider prototypical 223Fr107Ag molecule, octupole deformation ...