Results 201 to 210 of about 17,732 (260)

Built‐In Interfacial Electric Field in Hydroxyl‐Terminated MXene/COF Heterostructures for Enhanced Solid‐State Supercapacitors

open access: yesAdvanced Functional Materials, EarlyView.
Hydroxyl‐terminated MXene is integrated with a redox‐active covalent organic framework through electrostatic self‐assembly followed by hydrothermal treatment to construct MXene/COF heterostructures with a built‐in interfacial electric field. Termination‐controlled interfacial electronic modulation induces charge redistribution and favorable band ...
Cheru Fekadu Molla   +4 more
wiley   +1 more source

Record Energy Storage Performance Metrics in Ferroelectric Hafnia‐Based Films through Heterostructure Design

open access: yesAdvanced Functional Materials, EarlyView.
Dielectric capacitors typically struggle to achieve both high energy storage density and high efficiency at applied voltages below 10 V. Here, we address this challenge by introducing a novel hybrid fluorite/perovskite heterostructure design that combines ultra‐high recoverable energy storage density with efficient energy release (Uf ≈ 1016 J/cm3), at ...
Ampattu R. Jayakrishnan   +10 more
wiley   +1 more source

Design Strategies and Emerging Applications of High‐Performance Flexible Piezoresistive Pressure Sensors

open access: yesAdvanced Functional Materials, EarlyView.
Flexible piezoresistive pressure sensors underpin wearable and soft electronics. This review links sensing physics, including contact resistance modulation, quantum tunneling and percolation, to unified materials/structure design. We highlight composite and graded architectures, interfacial/porous engineering, and microstructured 3D conductive networks
Feng Luo   +2 more
wiley   +1 more source
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The negative secular trend

Journal of Human Evolution, 1985
In the following paper the concept of secular trend is discussed. It is argued that secular processes should always be specified as to their direction. Such specification is not given in any of the current publications in which the term has been applied to changes in stature.
openaire   +3 more sources

Secular trends in growth

Annales d'Endocrinologie, 2017
Human adult height has been increasing world-wide for a century and a half. The rate of increase depends on time and place of measurement. Final height appears to have reached a plateau in Northern European countries but it is still increasing in southern European countries as well as Japan.
FUDVOYE, Julie, Parent, Anne-Simone
openaire   +3 more sources

SECULAR TRENDS IN RISK PREMIUMS

The Journal of Finance, 1972
THIS PAPER CONSIDERS how risk premiums on investments are likely to change over time. The analysis is based upon results derived by Sharpe, Lintner and others [2, 5, 6, 9, 11] for equilibrium in the market for risk assets. To simplify the analysis it is assumed all physical assets are owned by firms.
Litzenberger, Robert H, Budd, A P
openaire   +1 more source

Secular Trends in demographic Parameters

Anthropologischer Anzeiger, 2004
The aim of this paper is to describe the secular changes of selected demographic parameters and to investigate the possible causes for such changes as well as the biological relevance. We took into account the following parameters: population density, mean live expectancy, average age at marriage of until then unmarried persons, rate of live births ...
Uwe, Jaeger   +2 more
openaire   +2 more sources

Secular trend of adhesive capsulitis

Arthritis Care & Research, 2011
AbstractObjectiveAdhesive capsulitis (AC) is a painful shoulder disorder resulting in restrictions of daily activities. Given the recent increase in risk factors for AC, such as diabetes mellitus, research is needed to examine if the incidence of AC has also increased.
D, White   +4 more
openaire   +2 more sources

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