Results 211 to 220 of about 276,545 (338)

Exponential stability of one-dimensional hyperbolic systems [PDF]

open access: hybrid, 2006
Farid Khodja Ammar   +1 more
openalex   +1 more source

Synthetic Control of Water‐Stable Hybrid Perovskitoid Semiconductors

open access: yesAdvanced Materials, EarlyView.
Hybrid metal‐halide perovskites are promising semiconductors for optoelectronics, yet their water stability is problematic. A new synthesis method is developed using lead iodide and cysteamine under various pH conditions, forming stable perovskitoid structures.
Jiyoon Kim   +8 more
wiley   +1 more source

Enhancing Ultrasound Power Transfer: Efficiency, Acoustics, and Future Directions

open access: yesAdvanced Materials, EarlyView.
Implantable devices significantly enhance healthcare but are limited by battery life. Ultrasound power transfer technology offers a promising solution for sustainable operation. This review addresses gaps in current research, particularly in sound field analysis and energy efficiency optimization.
Yi Zheng   +6 more
wiley   +1 more source

Optoelectronic Devices for In‐Sensor Computing

open access: yesAdvanced Materials, EarlyView.
The raw data obtained directly from sensors in the noisy analogue domain is often unstructured, which lacks a predefined format or organization and does not conform to a specific data model. Optoelectronic devices for in‐sensor visual processing can integrate perception, memory, and processing functions in the same physical units, which can compress ...
Qinqi Ren   +7 more
wiley   +1 more source

Thin Film Stoichiometry and Defects Management for Low Threshold and Air Stable Near‐Infrared Perovskite Laser

open access: yesAdvanced Materials, EarlyView.
As defect density in 3D perovskites is controlled by adjusting excess formamidinium iodide concentration, shallow defects acts as a carrier sink for amplified spontaneous emission (ASE). A comprehensive charge carrier dynamic model is presented to understand the critical factor of the reduction of ASE threshold.
Chun‐Sheng Jack Wu   +4 more
wiley   +1 more source

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