Results 131 to 140 of about 511,200 (304)

Spectral Selectivity Enhancement in Solar Absorber Multilayers through Titanium Oxynitride Thin Film Modulation

open access: yesAdvanced Optical Materials, EarlyView.
Optical and plasmonic properties of TiN and Ti(O)N thin films were tuned at the synthesis stage by modulating the oxygen pressure during room‐temperature pulsed laser deposition. Ti(O)N thin films exhibiting a highly metallic and peculiar double‐epsilon‐near‐zero (DENZ) behavior were produced.
Claudia P. Hallqvist   +9 more
wiley   +1 more source

The impact of institutional investors on risk and stock return autocorrelation in the context of the polish pension reform [PDF]

open access: yes
The main aim of this paper is to examine the relationship between the increasing share of institutional investors resulting from the pension reform in Poland and stock return autocorrelation as well as risk level on the Warsaw Stock Exchange. The problem
Henryk Gurgul, Pawel Majdosz
core  

Order flow dynamics around extreme price changes on an emerging stock market

open access: yes, 2010
We study the dynamics of order flows around large intraday price changes using ultra-high-frequency data from the Shenzhen Stock Exchange. We find a significant reversal of price for both intraday price decreases and increases with a permanent price ...
Chen, Wei   +3 more
core   +1 more source

Controlling Ultrafast Photonic‐Plasmonic Coupling in a Hybrid Platform for Biosensing Applications

open access: yesAdvanced Optical Materials, EarlyView.
A metal–dielectric hybrid composed of gold nanocaps on opal exhibits a broad near‐infrared plasmonic resonance interacting with the photonic bandgap under ultrafast transient conditions. This coupling can be controlled by varying the excitation wavelength and is responsive to bacterial deposition, opening new opportunities for ultrafast biosensing ...
Diego Florio   +6 more
wiley   +1 more source

Auto‐Routing Fluidic Printed Circuit Boards

open access: yesAdvanced Robotics Research, EarlyView.
This work introduces (STREAM) software tool for routing efficiently advanced macrofluidics, an open‐source software tool for automating the design of 3D‐printable fluidic circuit boards. STREAM streamlines tube routing and layout, enabling the rapid fabrication of fluidic networks for soft robotics, lab‐on‐a‐chip devices, microfluidics, and biohybrid ...
Savita V. Kendre   +3 more
wiley   +1 more source

TreeSpider: In‐Canopy Exploration With Tether‐Based Aerial Modular Arms

open access: yesAdvanced Robotics Research, EarlyView.
A tethered drone with perching arms and a 360° ring enables unprecedented maneuverability within dense forest canopies. By dynamically adjusting tether length and decoupling pitch from the frame, it navigates between branches, senses multiple trees, and interacts physically with foliage.
Luca Romanello   +7 more
wiley   +1 more source

Conflicting Intuitions about Ethical Investment: A Survey among Individual Investors [PDF]

open access: yes
This present paper relates the results of an exploratory survey distributed among individuals invested in so-called ethical (or socially responsible) mutual funds, and attempts to develop a better understanding of these individuals’ ethical beliefs ...
Nilsson, Jonas, Sandberg, Joakim
core  

Liquid Crystalline Elastomers in Soft Robotics: Assessing Promise and Limitations

open access: yesAdvanced Robotics Research, EarlyView.
Liquid crystalline elastomers (LCEs) are programmable soft materials that undergo large, anisotropic deformation in response to external stimuli. Their molecular alignment encodes directional actuation in a monolithic structure, making them long‐standing candidates for soft robotic systems.
Justin M. Speregen, Timothy J. White
wiley   +1 more source

Evaluating Bicarbonate Electrolyzer Configurations for Energy‐Efficient Formate Production

open access: yesAdvanced Sustainable Systems, EarlyView.
Reactive carbon capture (RCC) with bicarbonate electrolyzers (BEs) offers an efficient alternative to gas‐fed CO2 electrolyzers by eliminating regeneration and pressurization steps. This study optimizes BE configurations and compares RCC chains to gas‐fed carbon chains for formate production.
Alessio Mezza   +5 more
wiley   +1 more source

Comparative Venture Capital Governance. Private versus Labour Sponsored Venture Capital Funds [PDF]

open access: yes
Private independent limited partnership venture capital funds receive capital from institutional investors, without tax incentives. Limited partnership investment activities are governed by restrictive covenants that are determined by negotiated contract
Douglas J. Cumming, Jeffrey G. MacIntosh
core  

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