Results 131 to 140 of about 6,663 (226)

Optical Responses From Zero Optical‐Path‐Length Object

open access: yesNanophotonics, Volume 15, Issue 15, 13 August 2026.
This work address a fundamental question—what is the ultimately minimal embodiment of optical objects that produce useful optical effects? In fact, such an object does not require nonzero physical and optical‐path‐length volume as opposed to the conventional perception.
Da Yong Lee   +3 more
wiley   +1 more source

Supramolecular Host‐Guest Complexation Dynamics by Cost‐Efficient Electronic Structure Methods

open access: yesChemistry – A European Journal, Volume 32, Issue 29, 7 August 2026.
We present a cost‐effective multilevel workflow for the kinetic profiling of host–guest systems, illustrated with cucurbit[6]uril and alkylammonium cations. The method combines rapid docking and reaction path searches at the semi‐empirical level, with refinement of the results using modern density functional theory, accurately reproducing experiment ...
Thomas Gasevic   +6 more
wiley   +1 more source

Molecular Interactions of Pyridine With Water: A Combined DFT Benchmarking and QTAIM Analysis

open access: yesJournal of Computational Chemistry, Volume 47, Issue 21, August 5, 2026.
Microsolvation of pyridine by up to ten water molecules was explored using benchmarked DFT and QTAIM analyses, revealing a transition from a single OH…N hydrogen bond to cooperative three‐dimensional hydrogen‐bond networks. Increasing hydration promotes cage‐like water structures and diverse non‐covalent interactions, governing conformational stability
Juda Baikété   +3 more
wiley   +1 more source

Isotope Effects on H2O, OH, and H Adsorption on Pd(111): Insights From Combined Plane Wave and Localized Basis Set Calculations

open access: yesInternational Journal of Quantum Chemistry, Volume 126, Issue 15, August 5, 2026.
Elucidating hydrogen/deuterium isotope effects on metal surfaces is important for catalyst design and isotope labelling. We study H2O, OH, and H adsorption on Pd(111) using a combined plane wave and localized basis set scheme that incorporates nuclear quantum effects within density functional theory.
Ren Yamaoka   +3 more
wiley   +1 more source

Robust Interlayer Exciton Interplay in a Twisted van der Waals Heterotrilayer on a Broadband Bragg Reflector up to Room Temperature

open access: yesAdvanced Functional Materials, Volume 36, Issue 62, 3 August 2026.
In this work, we highlight a unique material platform capable of producing three distinct room temperature (RT) photoluminescence (PL) resonances from spatially separated regions composed of a heterobilayer (HBL), a homobilayer (HoBL), and an heterotrilayer (HTL) transition metal dichalcogenide (TMD) heterostructures configuration on a highly ...
Bhabani Sankar Sahoo   +8 more
wiley   +1 more source

Lead‐Free Chiral Hybrid Metal Halides for Circularly Polarized Light‐Emitting Diodes

open access: yesAdvanced Optical Materials, Volume 14, Issue 30, 14 August 2026.
Lead‐free chiral hybrid metal halides provide a versatile platform for realizing chiroptical responses through chiral modulation of metal–halide frameworks with diverse dimensionalities, induces inversion‐symmetry breaking and enables dissymmetric excited‐state transitions toward efficient circularly polarized luminescence and electroluminescence. This
Kun Zhu, Li Wan
wiley   +1 more source

Shear‐Induced Emergence of Aromatic Superlow‐Friction Interfaces in Amorphous Carbon: Triggering Chemical Impurities and Atomic‐Scale Mechanisms

open access: yesAdvanced Science, Volume 13, Issue 43, 3 August 2026.
High‐throughput quantum‐mechanical simulations reveal that amorphous carbon undergoes shear‐driven structural transformation into aromatic, graphene‐like interfaces. This mechanochemical process is governed by dopant chemistry: dopants with valency less than four promote the emergence of superlow‐friction amorphous graphene, whereas tetra‐valent ...
Takuya Kuwahara   +4 more
wiley   +1 more source

Observation of Excitonic Instability in a Monolayer Ta2NiSe5 With Strain Disorder

open access: yesAdvanced Science, Volume 13, Issue 43, 3 August 2026.
Monolayer Ta2${\rm Ta}_2$NiSe5${\rm NiSe}_5$ sustains an excitonic insulating phase up to 190 K, with Raman signatures of gap opening and critical excitonic fluctuations. Thickness‐independent large gap ratios highlight strong exciton‐phonon coupling, while substrate‐induced strain disorder depresses Tc, establishing monolayer Ta2${\rm Ta}_2$NiSe5${\rm
So Young Kim   +13 more
wiley   +1 more source

ParamNet: A Physics‐Guided Deep Learning Framework for Intelligent Self‐Inversion of Vacuum Optical Levitation Systems

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 8, August 2026.
A physics‐guided deep learning framework, ParamNet, is introduced for the intelligent self‐inversion of vacuum optical tweezers. By fuzing dual‐branch time–frequency features with physical dynamical constraints, it achieves high‐accuracy calibration of trap parameters from short‐window, low‐frequency trajectories, outperforming traditional methods ...
Qi Zheng   +4 more
wiley   +1 more source

Squeezing, trisqueezing and quadsqueezing in a hybrid oscillator-spin system. [PDF]

open access: yesNat Phys
Băzăvan O   +9 more
europepmc   +1 more source

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