Results 211 to 220 of about 401,182 (321)

Shape‐Determined Kinetic Pathways in 2D Solid–Solid Phase Transitions

open access: yesAdvanced Science, EarlyView.
By simulating 2D ball‐stick pentagon, hexagon, and octagon systems, the kinetics of solid–solid phase transition is investigated, which is characterized by the loss of body‐orientation order. During which, the local defects of body‐orientation self‐organize into three different patterns, originated from the shape‐determined kinetic pathways, which may ...
Ruijian Zhu, Yi Peng, Yanting Wang
wiley   +1 more source

Triplet-harvesting materials. [PDF]

open access: yesCommun Chem
Shi H, You Y, Zhao Y.
europepmc   +1 more source

Acceptor‐Bridged Engineering Enables Highly Efficient Solution‐Processed Pure‐Green MR‐TADF OLEDs With External Quantum Efficiency of 29% and Small Roll‐Off

open access: yesAdvanced Science, EarlyView.
Solution‐processible pure green multi‐resonance thermally activated delayed fluorescence (MR‐TADF) emitters are developed through a strategic acceptor‐bridging engineering approach that integrates MR‐building blocks with pyrimidine‐derived frameworks.
Xuming Zhuang   +8 more
wiley   +1 more source

Analysis of monomer ratios in a dimethacrylate mixture using positron annihilation spectroscopy. [PDF]

open access: yesSci Rep
Cifraničová K   +4 more
europepmc   +1 more source

Study of Hydrogen-Defect Interaction in Thin Nb Film on Si Substrate Using Positron Annihilation

open access: green, 2006
Jakub Čı́žek   +8 more
openalex   +1 more source

Atomic‐Level Structural Characteristics of β‐Relaxation in Metallic Glasses

open access: yesAdvanced Science, EarlyView.
Using in situ synchrotron radiation X‐ray techniques, this study experimentally characterizes β‐relaxation at the atomic scale, linking it explicitly to tricapped trigonal prism (TTP)‐like atomic structures and fast atomic motions. Cyclic heating reveals β‐relaxation as irreversible yet reactivatable through rejuvenation, offering unprecedented insight
Tianding Xu   +7 more
wiley   +1 more source

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