Results 11 to 20 of about 34,688 (257)

Accelerated design of lead-free high-performance piezoelectric ceramics with high accuracy via machine learning

open access: yesJournal of Advanced Ceramics, 2023
The piezoelectric performance serves as the basis for the applications of piezoelectric ceramics. The ability to rapidly and accurately predict the piezoelectric coefficient (d33) is of much practical importance for exploring high-performance ...
Wei Gu   +5 more
doaj   +1 more source

The Impact of Family and Child-Allowances on Income Inequality in Poland. Gini Decomposition by Income Sources

open access: yesFolia Oeconomica Stetinensia, 2021
Research background: This paper analyses how different income sources affect the level of inequality in Poland, with focus on the role of family and children related allowances in decreasing income inequalities in 2015–2017.
Wędrowska Ewa, Muszyńska Joanna
doaj   +1 more source

Temperature Dependent Piezoelectric Properties of Lead-Free (1-x)K0.6Na0.4NbO3–xBiFeO3 Ceramics [PDF]

open access: yes, 2020
(1-x)K0.4Na0.6NbO3–xBiFeO3 lead-free piezoelectric ceramics were successfully prepared in a single perovskite phase using the conventional solid-state synthesis.
Feteira, Antonio   +6 more
core   +3 more sources

Income Inequalities in EU Countries: Gini Indicator Analysis

open access: yesECONOMICS, 2021
Franklin Delano Roosevelt said that “the test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.” According to the World Economic Forum (2021), income ...
Kolluru Mythili, Semenenko Tetiana
doaj   +1 more source

Thickness-Dependent Piezoelectric Property from Quasi-Two-Dimensional Zinc Oxide Nanosheets with Unit Cell Resolution

open access: yesResearch, 2021
A quantitative understanding of the nanoscale piezoelectric property will unlock many application potentials of the electromechanical coupling phenomenon under quantum confinement.
Corey Carlos   +4 more
doaj   +1 more source

Enhanced Electrical Properties of Lead-Free Piezoelectric KNLN-BZ-BNT Ceramics With the Modification of Sm3+ Ions

open access: yesFrontiers in Materials, 2021
Environment-friendly lead-free piezoelectric ceramics with great properties and high thermal stability are desired in the industry. In this work, the Sm3+-modified lead-free 0.915(K0.45Na0.5Li0.05)NbO3–0.075BaZrO3–0.01(Bi0.5Na0.5)TiO3 (KNLN-BZ-BNT ...
Yi Quan   +9 more
doaj   +1 more source

Shocks exógenos y endeudamiento externo. Impacto sobre el crecimiento y la distribución en economías emergentes y en desarrollo

open access: yesEl Trimestre Económico, 2020
Antecedentes: Diversos modelos kaleckianos han planteado la interacción entre crecimiento económico y distribución funcional del ingreso en economías abiertas. Esta clase de modelos suele omitir los efectos ejercidos por el nivel de endeudamiento externo
Pablo G. Bortz   +2 more
doaj   +1 more source

Derivations and Centroids of Four Dimensional Associative Algebras [PDF]

open access: yes, 2016
In this paper, we focus on derivations and centroids of four dimensional associative algebras. Using an existing classification result of low dimensional associative algebras, we describe the derivations and centroids of four dimensional associative ...
Abdulkareem, A. O.   +2 more
core   +1 more source

Nanotexture influence of BaTiO3 particles on piezoelectric behaviour of PA 11/BaTiO3 nanocomposites [PDF]

open access: yes, 2010
The piezoelectric activity of a hybrid ferroelectric nanocomposite, i.e. polyamide 11/barium titanate (BT), has been investigated for different loadings of BT particles.
Capsal, J.-F.   +5 more
core   +1 more source

Synthesis of high density sub-10 µm (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3-xCeO2 lead-free ceramics using a two-step sintering technique

open access: yesJournal of Asian Ceramic Societies, 2019
(Ba0.85Ca0.15)(Zr0.1Ti0.9)O3-xCeO2, (BCZTCe) lead-free piezoelectric ceramics were processed conventionally using a two-step sintering technique.
Vijay Bijalwan, Pavel Tofel
doaj   +1 more source

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