Results 31 to 40 of about 47,910 (262)

Energy Budget in Rayleigh-Bénard Convection [PDF]

open access: yesPhysical Review Letters, 2001
5 pages, 3 figures, new version 13 Mar ...
openaire   +3 more sources

Oxygen‐Tunnel Indium Tin Oxide Vertical Channel Transistors with Enhanced Current Density and Reliability for Monolithic 3D Compute‐In‐Memory Systems

open access: yesAdvanced Functional Materials, EarlyView.
Oxygen‐tunnel (OT) indium tin oxide (ITO) vertical channel transistors (VCTs) enable reliable, high‐density gain‐cell memory for monolithic 3D integration. A sandwiched SiN/SiO2/SiN OT stack selectively regulates oxygen transport, suppressing parasitic electrode oxidation while stabilizing channel oxygen vacancies, thereby suppressing carrier injection
Hyeonho Gu   +17 more
wiley   +1 more source

Effects of Dynamical and Diabatic Processes on Stationary and Transient Kelvin Waves

open access: yesJournal of Advances in Modeling Earth Systems
Atmospheric Kelvin waves (KWs) are influenced by both tropical convective heating and dry dynamical processes, but the relative contributions of these mechanisms remain uncertain.
K. M. Holube   +3 more
doaj   +1 more source

Reducing Energy Consumption in CubeSat Missions: The Integrated Antenna Approach

open access: yesEngineered Science
One of the future challenges of increasing the harnessed solar power is efficiently using the CubeSat sides. One of the approaches is using integrated antenna systems with solar panels or payloads.
Gulama-Garip Alisher E. Ibrayev   +7 more
doaj   +1 more source

Evaluating a Coupled Phenology‐Surface Energy Balance Model to Understand Stream‐Subsurface Temperature Dynamics in a Mixed‐Use Farmland Catchment

open access: yesWater Resources Research, 2019
Stream temperature is a key variable that controls both physical and biogeochemical processes in aquatic ecosystems. Complex physical interactions between land surface and subsurface processes make accurate simulations of stream temperature dynamics at ...
Han Qiu   +5 more
doaj   +1 more source

Research Progress on Climate Effect and Influence Mechanism of Photovoltaic Systems

open access: yesGaoyuan qixiang, 2022
Due to the global environmental crisis, energy crisis and the urgent need to deal with climate change, governments around the world have increased the use of renewable energy.The progress of photovoltaic technology and the support of government policies ...
Junxia JIANG, Xiaoqing GAO
doaj   +1 more source

Chiral Phase Change Nanomaterials

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates reversible, non‐volatile phase transitions in chiral Ge2${\rm Ge}_2$Sb2${\rm Sb}_2$Te5${\rm Te}_5$ (GST) nanohelices for high‐speed optical modulation of chirality and dynamic control of the state of polarization (SOP). The chiral nanostructures are fabricated using a highly directional, wafer‐scale physical vapor deposition ...
Joshua A. Burrow   +11 more
wiley   +1 more source

How Volcanic Aerosols Globally Inhibit Precipitation

open access: yesGeophysical Research Letters
Volcanic aerosols reduce global mean precipitation in the years after major eruptions, yet the mechanisms that produce this response have not been rigorously identified.
Zachary McGraw, Lorenzo M. Polvani
doaj   +1 more source

Sustainable Agriculture through Reduced Emission and Energy Efficiency: Estimation of Input–Output Energy and GHG Emission under Tunnel Cultivation of Tomato

open access: yesAgronomy, 2022
Tomato production under tunnel structures has shown promising returns in recent years in Pakistan. However, the energy use and GHGs dynamics remain largely unknown for tomato production under controlled conditions.
Qamar Ali   +6 more
doaj   +1 more source

Mimicking Silent Synapse Recruitment: A SiOx/Cu‐Pancake Memristive Device For Analog Neuromorphic Computing

open access: yesAdvanced Functional Materials, EarlyView.
Electroforming‐free TiN/SiOx/Cu/SiOx/TiN memristive devices exploit pancake‐like Cu nanoparticles embedded in a SiOx double layer to create a heterogeneous Schottky‐barrier landscape. Under bias, oxygen‐vacancy redistribution progressively lowers local barriers and recruits initially inactive Cu‐PC pathways into a parallel conduction ensemble, enabling
Rouven Lamprecht   +10 more
wiley   +1 more source

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