Results 161 to 170 of about 1,084,527 (331)

A chip-integrated comb-based microwave oscillator

open access: yesLight: Science & Applications
Low-noise microwave oscillators are cornerstones for wireless communication, radar and clocks. The employment and optimization of optical frequency combs have enabled photonic microwave synthesizers with unrivalled noise performance and bandwidth ...
Wei Sun   +16 more
doaj   +1 more source

Investigation of the Effects of Strain and Electric Field on the Spin‐State Energetics of Co‐Doped BaTiO3 and PbTiO3

open access: yesAdvanced Functional Materials, EarlyView.
Ab initio calculations using the r2SCAN functional show that biaxial strain does not alter the high spin preference of cobalt‐doped BaTiO3 and PbTiO3; a small compressive uniaxial strain however results in an equally favorable low spin state for BaTiO3 and thus bistable magnetism.
Oliver J. Conquest   +3 more
wiley   +1 more source

Marker pen writing of perovskite solar modules

open access: yesNature Communications
Solution-processed perovskite photovoltaics promise low-cost, lightweight, and wearable power sources. Processing techniques play a crucial role in this field.
Yuhao Song   +13 more
doaj   +1 more source

Quantum Information Entropy of Hyperbolic Potentials in Fractional Schrödinger Equation. [PDF]

open access: yesEntropy (Basel), 2022
Santana-Carrillo R   +5 more
europepmc   +1 more source

Excited State Modulation in Carbene‐Metal‐Amides to Design Fast and Bright Blue Delayed Fluorescence

open access: yesAdvanced Functional Materials, EarlyView.
Gold‐centered carbene‐metal amide (CMA) materials with carbonyl‐group substitution on the amide donor ligand. Molecular design ensures that the charge transfer (CT) state is lower in energy than the locally excited (3LE) states. The energy difference between CT and LE states controls the rate of the delayed fluorescence.
Charlotte Riley   +3 more
wiley   +1 more source

Quantum coordinates, localisation of events, and the quantum hole argument

open access: yesCommunications Physics
The study of quantum reference frames (QRFs) is motivated by the idea of taking into account the quantum properties of the reference frames used, explicitly or implicitly, in our description of physical systems.
Viktoria Kabel   +6 more
doaj   +1 more source

Nanowire-based integrated photonics for quantum information and quantum sensing. [PDF]

open access: yesNanophotonics, 2023
Chang J   +4 more
europepmc   +1 more source

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