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Chiral crystals, like chiral molecules, cannot be superimposed onto their mirror images -- a fundamental property that has been linked to interesting physical behavior and exploited in functional devices. Among the simplest inorganic…

Materials Science · Physics 2024-10-29 Yuxing Zhou , Stephen R. Elliott , Daniel F. Thomas du Toit , Wei Zhang , Volker L. Deringer

The chiral crystal is characterized by a lack of mirror symmetry and an inversion center, resulting in the inequivalent right- and left-handed structures. In the noncentrosymmetric crystal structure, the spin and momentum of electrons are…

Chiral crystals exhibit enantiomer-dependent transport phenomena that generate pure spin or orbital currents, while the handedness sensitivity of spin and orbital Hall conductivities (SHC/OHC) remains insufficiently understood. Using…

Materials Science · Physics 2026-05-15 Yuting Xiong , Yingjie Hu , Wei Ren , Heng Gao

Chiral matter has a structure that lacks inversion, mirror, and rotoreflection symmetry; thus, a given chiral material has either a right- or left-handed structure. In chiral matter, electricity and magnetism can be coupled in an exotic…

Materials Science · Physics 2021-05-19 Tetsuya Furukawa , Yuta Watanabe , Naoki Ogasawara , Kaya Kobayashi , Tetsuaki Itou

Chirality is a ubiquitous phenomenon in which a symmetry between left- and right-handed objects is broken, examples in nature ranging from subatomic particles and molecules to living organisms. In particle physics, the weak force is…

A theoretical study of Bragg diffraction by an enantiomorphic pair of structures should apply to patterns gathered on beta-Mn using resonance enhanced x-ray diffraction. The chiral polymorph of manganese, and structurally related compounds,…

Materials Science · Physics 2021-04-28 S. W. Lovesey

Structural chirality plays an important role in solid state physics and leads to a variety of novel physics. The feasibility of probing structural chirality of crystals using high harmonic generation in solids is explored in this work.…

Optics · Physics 2020-05-15 Zi-Yu Chen , Rui Qin

We investigate electron vortex beams elastically scattered on chiral crystals. After deriving a general expression for the scattering amplitude of a vortex electron, we study its diffraction on point scatterers arranged on a helix. We…

Instrumentation and Detectors · Physics 2015-04-01 Roeland Juchtmans , Armand Béché , Artem Abakumov , Maria Batuk , Jo Verbeeck

Chirality refers to a geometric phenomenon in which objects are not superimposable on their mirror image. Structures made of nano-scale chiral elements can display chiroptical effects, such as dichroism for left- and right- handed…

Optics · Physics 2020-02-25 Behrooz Semnani , Jeremy Flannery , Rubayet Al Maruf , Michal Bajcsy

The occurrence of biological homochirality is attributed to symmetry breaking mechanisms which are still debatable1. Studies of symmetry breaking require tools for monitoring the population ratios of individual chiral nano-objects, such as…

Optics · Physics 2018-08-20 Eitam Vinegrad , Uri Hananel , Gil Markovich , Ori Cheshnovsky

Chirality arises from the asymmetry of matters, where two counterparts are the mirror image of each other. The interaction between circular-polarization light and quantum materials is enhanced in chiral space groups due to the structural…

Mesoscale and Nanoscale Physics · Physics 2023-09-13 Chang Niu , Shouyuan Huang , Neil Ghosh , Pukun Tan , Mingyi Wang , Wenzhuo Wu , Xianfan Xu , Peide D. Ye

The symmetry of a material's crystal structure has a significant effect on the energy states of its electrons. Inversion symmetry, for example, results in energetically degenerate electron energy bands for electrons with wave vectors…

Chirality is an intriguing property of certain molecules, materials or artificial nanostructures, which allows them to interact with the spin angular momentum of the impinging light field. Due to their chiral geometry, they can distinguish…

Optics · Physics 2016-11-03 Peter Banzer , Pawel Wozniak , Uwe Mick , Israel De Leon , Robert W. Boyd

Trigonal tellurium (Te) has attracted researchers' attention due to its transport and optical properties, which include electrical magneto-chiral anisotropy, spin polarization and bulk photovoltaic effect. It is the anisotropic and chiral…

Materials Science · Physics 2025-11-03 Davide Spirito , Sergio Marras , Beatriz Martín-García

Chirality is a pervasive property of matter that underpins many important phenomena across physics, chemistry and biology. Given its broad significance, the development of protocols for rational control of chirality in solid state systems…

Materials Science · Physics 2025-10-27 Z. Zeng , M. Först , M. Fechner , X. Deng , A. Cavalleri , P. G. Radaelli

Photons experience mirror asymmetry of macroscopic chiral media, as in circular dichroism and polarization rotation, since left and right handed circular polarizations differently couple with matter handedness. Conversely, free relativistic…

Quantum Physics · Physics 2022-04-08 Alessandro Ciattoni

We present a study on relation between the refraction and rightness effects in photonic crystals applied on a 2D square lattice photonic crystal. The plane wave (the band and equifrequency contour analyses) and FDTD calculations for both TM…

Materials Science · Physics 2009-11-11 Rados Gajic , Ronald Meisels , Friedemar Kuchar , Kurt Hingerl

Materials with broken fundamental symmetries, such as chiral crystals, provide a rich playground for exploring unconventional spin-dependent transport phenomena. The interplay between a material's chirality, strong spin-orbit coupling, and…

Materials Science · Physics 2025-12-22 Shuchen Li , Chang Niu , Peide D. Ye , Axel Hoffmann

Chirality is a fundamental feature in all domains of nature, ranging from particle physics over electromagnetism to chemistry and biology. Chiral objects lack a mirror plane and inversion symmetry and therefore cannot be spatially aligned…

Pattern matching approaches to electron backscatter diffraction (EBSD) in the scanning electron microscope (SEM) provide qualitatively new possibilities for the microstructural analysis of chiral non-centrosymmetric phases due to the…

Materials Science · Physics 2025-01-16 Grzegorz Cios , Aimo Winkelmann , Tomasz Tokarski , Piotr Bała
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