Results 131 to 140 of about 267,449 (298)

Wavelength‐ and Helicity‐Reconfigurable Circularly Polarized Optical Diodes Enabled by Molecular Photoswitches

Advanced Materials, EarlyView.
All‐optical, photoswitchable diode‐type device for tunable nonreciprocal (asymmetric) transmission of CPL across a broad spectrum of light is demonstrated using molecular motor (photoswitch)‐doped cholesteric liquid crystals (CLCs) sandwiched between polyvinyl alcohol (PVA) and polydopamine (PDA)‐PVA composite layers.
Chaoguang Ye, Ming Yuan, Jiaxin Liu, Wei Zhou, Changsheng Wu, Zhenyu Zhou, Chaoying Zhu, Xiao‐Fang Jiang, Jiawen Chen, Lakshminarayana Polavarapu, Guofu Zhou, Xiaowen Hu   +11 more
wiley   +1 more source

Chiral Cherenkov radiation at time-dependent chiral chemical potential [PDF]

We study the photon production process f → f + γ in the presence of a time-dependent chiral chemical potential μ5. Using the ultra-relativistic approximation, we demonstrate validity of the adiabatic approximation.
Tuchin, Kirill
core  

Topological Spin‐Texture Transitions in van der Waals Magnets Revealed by X‐Ray Fourier Transform Holography

Advanced Materials, EarlyView.
Applied here for the first time to a 2D material, high‐resolution synchrotron x‐ray Fourier transform holography directly images topological spin textures in Fe3GeTe2. Combined with atomistic tight‐binding simulations including itinerant electrons and Rashba spin‐orbit coupling, the approach reveals labyrinth, skyrmion, and mixed phases, and uncovers ...
Sourav Chowdhury, Soumyaranjan Dash, Michael Schneider, Christopher Klose, Chithra H. Sharma, Lisa‐Marie Kern, Tim A. Butcher, Josefin Fuchs, Santanu Pakhira, Samik DuttaGupta, Takashi Taniguchi, Kenji Watanabe, Sujit Das, Sanjeev Kumar, Bastian Pfau, Amir‐Abbas Haghighirad, Moritz Hoesch   +16 more
wiley   +1 more source

Spectrally Programmable Spin‐Polarized Photocurrents in WSe2–NiPS3 Magnetic van der Waals Heterostructures

Advanced Materials, EarlyView.
Heterostructure photodiode devices of p‐type WSe2 with n‐type NiPS3 constructs spectrally protected spin‐polarized photocurrents. The energy of the excitation photon serves as an independent control parameter for spin‐selective photocurrent generation. ABSTRACT Efficient generation and control of spin‐polarized currents in semiconductors remain central
Rajesh Kumar Yadav, Michal Poplinger, Adi Levi, Adi Harchol, Nirman Chakraborty, Thomas Brumme, Thomas Heine, Efrat Lifshitz, Doron Naveh   +8 more
wiley   +1 more source

A new cyclohexyl-based chiral auxiliary: application in the total synthesis of (+)-linalool oxide

, 2010
Seven different racemic cyclohexyl-based chiral auxiliaries (2.4-2.10) were synthesised in moderate to good yields (38-85%) by nucleophilic opening of cyclohexene oxide using carbanions.
Al-Hazmi, Ali
core   +1 more source

Dynamically Encircling Multiple Exceptional Points in Waveguides System: Asymmetric–symmetric Multimode Switching

Advanced Physics Research
Dynamically encircling exceptional points in non‐Hermitian systems leads to counterintuitive chiral mode conversions, which provides a new platform for implementing information processing.
Xiaoxiao Wang, Huixin Qi, Yandong Li, Xiaoyong Hu, Xingyuan Wang, Qihuang Gong   +5 more
doaj   +1 more source

From chiral drugs to chiral metabolites: the NMR approach

, 2015
Quantification and identification of chiral drugs and their metabolites constitutes a significant issue for both the pharmaceutical industry and the regulatory authorities, which led to a continuous growth of research areas devoted to the development ...
Gloria Uccello-Barretta, Federica Aiello, AIELLO, FEDERICA, UCCELLO BARRETTA, GLORIA, BALZANO, FEDERICA, Settambolo, R., Federica Balzano, Roberta Settambolo   +7 more
core   +1 more source

Morphological Characterization of Spherulites in Silk‐Polycaprolactone Mixtures: Implications for Textured Materials

Advanced Materials Interfaces, EarlyView.
Blending silk fibroin with polycaprolactone alters crystalline organization and surface morphology. Low fibroin levels promote ring‐banded spherulites, while higher contents generate porous, pit‐like textures, though overall crystallinity remains unchanged. Solvent evaporation further modulates surface patterns.
Karolína Kocourková, David Jaška, Miroslav Mrlík, Markéta Kadlečková, Filip Mikulka, Roman Čermák, Lucie Kubíčková, Marek Joukal, Petr Smolka, Martin Humenik, Antonín Minařík   +10 more
wiley   +1 more source

Discriminatory resonance energy transfer mediated by a chiral environment

New Journal of Physics
In this study, we delve into the crucial influence of and enhancement by chiral environments on the discriminatory capabilities of resonance energy transfer.
Janine C Franz, Stefan Yoshi Buhmann, A Salam   +2 more
doaj   +1 more source

Turning Water Into a Tool: From Degradation Pathways to Functional Engineering in Halide Perovskites

Advanced Materials Technologies, EarlyView.
Water exhibits a threshold‐dependent dual role in lead halide perovskites, acting either as a degradation trigger or as a powerful tool for defect passivation, recrystallization, and structural engineering. This review discusses how controlled water‐mediated interactions govern stability, dimensionality, and optoelectronic performance, providing ...
Raphaella T. S. Gonçalves, Gabriela O. Gera, Aryane Tofanello, Jose A. Souza, Andre L. M. Freitas   +4 more
wiley   +1 more source