Results 291 to 300 of about 249,882 (332)

HD 152667, A Spectroscopic Binary P Cygni Star [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1971
openaire   +2 more sources

Gate‐Tunable Dual‐Mode Optoelectronic Device for Self‐Powered Photodetector and Optoelectronic Synapse

open access: yesAdvanced Science, EarlyView.
A gate‐tunable MoTe₂/MoS₂ heterostructure‐based dual‐mode optoelectronic device functions as both a self‐powered photodetector and an optoelectronic synapse. It leverages the photovoltaic effect for photodetection and trapping states for synaptic behavior. Gate modulation enables seamless switching, paving the way for integrating neuromorphic computing
Yi Ouyang   +5 more
wiley   +1 more source

An Earth-sized exoplanet ripe for emission spectroscopy with JWST in orbit around a nearby ultracool dwarf star

open access: yes, 2023
Gillon M   +64 more
europepmc   +1 more source

Multifunctional Conductive Nanofibers for Self‐Powered Glucose Biosensors

open access: yesAdvanced Science, EarlyView.
This work develops a novel self‐powered glucose biosensor using polycaprolactone/polypyrrole/graphene oxide (PCL/PPy/GO) nanofibers integrated with a triboelectric nanogenerator. The system achieves high glucose detection sensitivity and generates 63 V from motion, combining robust mechanical strength with eco‐friendly energy harvesting.
Seda Gungordu Er   +7 more
wiley   +1 more source

Fifth catalogue of the orbital elements of spectroscopic binary stars

open access: yesLick Observatory Bulletins, 1948
J. H. Moore, Ferdinand John Neubauer
openaire   +3 more sources

A Rapid Cortical Learning Process Supporting Students’ Knowledge Construction During Real Classroom Teaching

open access: yesAdvanced Science, EarlyView.
There is growing interest in understanding how classroom teaching works, but previous theories and studies leave a gap in the neurocognitive mechanisms involved in real classroom teaching. Here we show that during real classroom teaching, students' middle frontal cortex serves as a hub of a rapid cortical learning process, supporting their knowledge ...
Xiaodan Feng   +6 more
wiley   +1 more source

Molecular Regulation and Intermolecular Chemistry in Gel Polymer Electrolytes for High‐Voltage Lithium Batteries

open access: yesAdvanced Science, EarlyView.
In this review, from the perspective of molecular design and intermolecular interactions, polymer matrices, solvents, and Li salts used in high‐voltage gel polymer electrolytes (GPEs) are discussed to explore approaches for improving high‐voltage stability.
Qingjie Zhou   +8 more
wiley   +1 more source

Strong Gravitational Lensing and Microlensing of Supernovae. [PDF]

open access: yesSpace Sci Rev
Suyu SH   +4 more
europepmc   +1 more source

Electrical Manipulation of Field‐Free Magnetization Switching Driven by Spin‐Orbit Torque in Amorphous Gradient‐Mn3Sn

open access: yesAdvanced Science, EarlyView.
A highly efficient spin current with z‐polarization is achieved in amorphous Mn3Sn with a spontaneous composition gradient, which allows field‐free magnetization switching. Spin current efficiency and magnetization switching polarity are reversibly manipulated by ionic liquid gating, enabling logic functions by pure electrical methods. This work offers
Mingfang Zhang   +13 more
wiley   +1 more source

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