Results 131 to 140 of about 557 (225)

Quantum‐Chemical Calculations of Structure, Electronic Properties, and Spectra of PBDB‐T:ITIC Interfaces

open access: yesphysica status solidi (b), EarlyView.
Density functional theory (DFT) and time‐dependent‐DFT studies reveal that the electronic properties of poly[(2,6‐(4,8‐bis(5‐(2‐hexyl)thiophen‐2‐yl)benzo[1,2‐b:4,5‐b’]dithiophene))‐alt‐(5,5‐(1’,3’‐di‐2‐thienyl‐5’,7’‐bis(2‐ethylhexyl)benzo[1’,2’‐c:4’,5’‐c’]dithiophene‐4,8‐dione)]‐T:3,9‐bis(2‐methylene‐(3‐(1,1‐dicyanomethylene)‐indanone))‐5,5,11,11 ...
Montassar Chaabani   +2 more
wiley   +1 more source

Data‐Driven Sliding Mode Control for Partially Unknown Nonlinear Systems

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT This paper presents a novel data‐driven control framework for multi‐input multi‐output (MIMO) nonlinear systems with partially unknown dynamics and bounded disturbances. In practical scenarios, exact cancellation of system nonlinearities is often infeasible due to limited model information and unpredictable disturbances.
Jianglin Lan   +2 more
wiley   +1 more source

Higher resonance schemes and Koszul modules of simplicial complexes. [PDF]

open access: yesJ Algebr Comb (Dordr)
Aprodu M   +4 more
europepmc   +1 more source

Large‐Area Metallic Nanohelices for Engineering Optical Chirality

open access: yesSmall, EarlyView.
By exploiting the nanoscale engineering of residual stresses in metallic thin films, this method enables scalable fabrication of submicrometer metallic helices with tunable geometry and material versatility. The resulting structures exhibit pronounced chiroptical responses across the mid‐ to near‐infrared range, offering a robust platform for chiral ...
Thu Hac Huong Le   +3 more
wiley   +1 more source

Design, Fabrication, Mechanics, and Multifunctional Applications of Shell‐Based Nanoarchitected Materials

open access: yesSmall Structures, EarlyView.
Shell‐based nanoarchitected materials feature continuous surfaces, nanoscale feature sizes, and strong constituent materials, and exhibit high modulus/strength, remarkable recoverability, and substantial energy absorption capacity. This review provides an overview of recent progresses in shell‐based nanoarchitected materials from the perspectives of ...
Hanzheng Xing   +9 more
wiley   +1 more source

Perspectives on the incorporation of self‐healing in the design practice of reinforced concrete structures

open access: yesStructural Concrete, EarlyView.
Abstract Self‐healing concrete, with its ability to autonomously repair damages, holds promise in enhancing its structural durability and resilience. Research on self‐healing concrete in the past decade has advanced in understanding the mechanisms behind healing, exploring various healing agents, and assessing their effectiveness in concrete structures.
Shan He   +9 more
wiley   +1 more source

Shear transfer model for ultra‐high‐performance concrete incorporating fiber bridging mechanism

open access: yesStructural Concrete, EarlyView.
Abstract Ultra‐high‐performance concrete (UHPC) exhibits exceptional mechanical properties, including high shear strength, partly attributed to the fiber bridging mechanism. However, existing shear transfer models for normal‐strength concrete have not considered the significant contribution of fibers.
Kefiyalew Zerfu   +4 more
wiley   +1 more source

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