Results 231 to 240 of about 2,698,771 (284)

Ferrocene‐Based Self‐Assembled Monolayers Enable Ultra‐High Specific Detectivity in Perovskite Photodetectors

open access: yesAdvanced Materials, EarlyView.
We report perovskite photodetectors with record specific detectivities exceeding 1013 Jones with a novel molecular design strategy to functionalize self‐assembled monolayers (SAMs) with ferrocene (Fc) derivatives. Fc‐SAM‐based devices also exhibit strong operational stability and enable data transmission rates exceeding 1 Mbps in a LiFi system ...
Edoardo Angela   +10 more
wiley   +1 more source

Seamless Mechanical Programming Through Hybrid Epoxy–Acrylate Printing for Soft–Rigid Robots

open access: yesAdvanced Materials, EarlyView.
Hybrid epoxy‐acrylate printing enables seamless fabrication of soft–rigid robotic systems with covalently integrated interfaces and functionally graded mechanics. Grayscale exposure expands the accessible material space, enabling spatially programmed actuation through patterned stiffness while revealing the mechanics and durability of continuously ...
David C. Bershadsky   +3 more
wiley   +1 more source
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Wave Equation of the Electron

Nature, 1951
For the description of an electron by a wave equation, the simplest equation available is the Dirac equation, which in the usual notation reads This corresponds to a point particle of charge e, spin ½ħ and magnetic moment eħ/2mc.
openaire   +2 more sources

On Relativistic Wave Equations

Physical Review, 1947
The problem of the relativistic invariance of a first-order wave equation with matrix coefficients ${\ensuremath{\beta}}_{k}$ is examined. It is found that it is intimately connected with the structure of the enveloping algebra of the $\ensuremath{\beta}$-matrices.
openaire   +2 more sources

Constrained Wave Equations and Wave Maps

Communications in Mathematical Physics, 2003
In this paper it is proved that wave maps can be obtained by a penalization method using certain regularity conditions on the initial data, otherwise the solutions of the penalized equation converge weakly to a solution of the system of coupled equations obtained by Keller and Rubinstein by a multi-scale formal analysis.
Shatah, Jalal, Zeng, Chongchun
openaire   +1 more source

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