Results 211 to 220 of about 1,086,626 (358)

Discussion on the Painful Shoulder

open access: bronze, 1959
G O STOREY   +2 more
openalex   +1 more source

Unique Impacts of Scandium Doping on Electrode Performance of P’2‐ and P2‐type Na2/3MnO2

open access: yesAdvanced Materials, EarlyView.
The structural stability during electrochemical cycling for P’2‐Na2/3MnO2 as a positive electrode for of Na‐ion battery is investigated by modulating the materials via metal substitution and varying the degree of Jahn‐Teller distortion. The cycle stability is maximized when combining Sc doping and the lattice distortion, demonstrating > 300 cycles in ...
Kodai Moriya   +6 more
wiley   +1 more source

Challenges of II‐VI and III‐V Blue Quantum Dot Light‐Emitting Diodes

open access: yesAdvanced Materials, EarlyView.
Blue‐emitting electroluminescent quantum dot light‐emitting diodes (QD‐LEDs) face critical challenges that limit their practical application, including short operational lifetimes, low color purity, broad spectral linewidths, and unpredictable transient effects like blinking and positive aging.
Shaun Tan   +3 more
wiley   +1 more source

Quadruple Helix Inversions of Liquid Crystals Orchestrated by Direct Chirality Transmission of an Intrinsically Chiral Light‐Driven Molecular Machine

open access: yesAdvanced Materials, EarlyView.
A molecular motor with four‐state dynamic chirality is integrated into liquid crystals, enabling quadruple sequential helix inversions and high helical twisting power. Due to high motor efficiency, the supramolecular helicity can be controlled by near‐infrared light via upconversion nanoparticles, resulting in a robust, multistate, photoresponsive soft
Jinyu Sheng   +3 more
wiley   +1 more source

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