Optical Activity from Anisotropic-Nanocluster-Assembled Supercrystals in Achiral Crystallographic Point Groups.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c12352
Abstract: Accomplishing optical activity in achiral materials has long been a challenge. Achiral nanomaterials that crystallize in achiral point groups are generally optically inactive. Herein we report the surprising observation of optical activity in several achiral… read more here.
Keywords: activity anisotropic; point groups; optical activity; activity ... See more keywords
Classification of Weyl points and nodal lines based on magnetic point groups for spin- 12 quasiparticles
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.115109
Abstract: Symmetry-protected topological semimetals are at the focus of solid-state research due to their unconventional properties, for example, regarding transport. By investigating local two-band Bloch Hamiltonians in the spin-1/2 basis for the 122 magnetic point groups,… read more here.
Keywords: magnetic point; classification; nodal lines; point groups ... See more keywords
Classification of atomic-scale multipoles under crystallographic point groups and application to linear response tensors
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.165110
Abstract: Four types of atomic-scale multipoles, electric, magnetic, magnetic toroidal, and electric toroidal multipoles, give a complete set to describe arbitrary degrees of freedom for coupled charge, spin, and orbital of electrons. We here present a… read more here.
Keywords: crystallographic point; atomic scale; multipoles crystallographic; point ... See more keywords
Symmetry of antiferroelectric crystals crystallized in polar point groups
Sign Up to like & getrecommendations! Published in 2022 at "IUCrJ"
DOI: 10.1107/s2052252522006017
Abstract: AFE crystals could also crystallize in polar point groups. If the dipole moment is reversible along the anti-polar axis under an external electric field, the polar crystal is an AFE crystal. read more here.
Keywords: antiferroelectric crystals; polar point; point groups; crystals crystallized ... See more keywords