Results 111 to 120 of about 1,991,396 (304)

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

Artful Citizenship Project- Year 3 [PDF]

open access: yes, 2006
Artful Citizenship is an arts-integrated social studies curriculum project designed to provide third- through fifth- grade students and teachers with the tools necessary to: * develop visual literacy skills; * implement social science content across ...

core  

X‐Functionality–Driven Photocatalytic Hydrogen Evolution in 2D 4‐X‐PEA2SnI4 Perovskites

open access: yesAdvanced Functional Materials, EarlyView.
We report a water‐based synthesis of 2D 4‐X‐PEA2SnI4 perovskite microcrystals with prominent photocatalytic (PC) activity for H2 production. The synergy between organic functionalization and HI‐derived iodide scavenges holes suppress octahedral distortion, and favor electron accumulation, enabling a PC H2 evolution ∼20 µmol·g−1 and long‐term stability ...
Taeyeon Kim   +21 more
wiley   +1 more source

ANALISIS HUBUNGAN SELF-EFFICACY DAN METAKOGNITIF TERHADAP HASIL BELAJAR SISWA SMA BERDASARKAN GENDER PADA KONSEP GENETIKA [PDF]

open access: yes, 2015
This study investigated the effect of self-efficacy beliefs and metacognitive on academic performance among high school students based on gender on Genetics concept.
Suherman, Dewi Purnamasari
core  

Selenium‐Incorporated Polymerized Nonfullerene Acceptors/SWCNT Composites with Polymer‐Assisted n‐Doping for High‐Performance Organic Thermoelectrics

open access: yesAdvanced Functional Materials, EarlyView.
Selenium‐incorporated polymerized nonfullerene acceptor PCB2Se forms a strong supramolecular complex with SWCNTs, enabling a record‐high zT of 0.29. Sequential N‐DMBI doping, mediated through a polymer‐assisted electron‐transfer pathway, successfully converts the PCB2Se/SWCNT composite into an efficient n‐type material with an impressive power factor ...
Chi‐Chun Tseng   +8 more
wiley   +1 more source

Effective Pre-school, Primary and Secondary Education 3-14 Project (EPPSE 3-14): influences on students’ dispositions in Key Stage 3: exploring enjoyment of school, popularity, anxiety, citizenship values and academic self-concept in Year 9 [PDF]

open access: yes, 2012
The Effective Pre-school, Primary and Secondary Education Project (EPPSE) has investigated the academic and social-behavioural development of approximately 3,000 children from the age of 3+ years since 1997.
Draghici, D.   +7 more
core   +3 more sources

The Impact of College Students’ Academic Self-Concept on English Learning Engagement: A Chain Mediation Effect of Self-Efficacy and Positive Academic Emotions

open access: yesSAGE Open
This study focused on English learning engagement, a core issue closely related to college students’ academic performance, and examined the association between academic self-concept and learning engagement while testing the chain mediating roles of self ...
Jun Song, Xin Wang
doaj   +1 more source

Hubungan antara Efikasi Diri dan Konsep Diri Akademik dengan Prestasi Belajar Mahasiswa Fkip Unbari [PDF]

open access: yes, 2014
This study was aimed to found out the relationship between academic self efficacy and academic self concept with learning achievement of English department students at Batanghari University Jambi.
Yurni, Y. (Yurni)
core  

Unlocking Multi‐Valley Energy Pockets and Interface‐Induced Phonon Filtering in InSb Thermoelectrics by Reaction‐Driven Interface Engineering

open access: yesAdvanced Functional Materials, EarlyView.
InSb, a narrow‐bandgap semiconductor with high carrier mobility, is promising for thermoelectric energy conversion but suffers from high lattice thermal conductivity and strong bipolar conduction. Here, in situ interface engineering using Co2O3 nanoprecursors forms hierarchical CoSbx/In2O3/CoSb3 heterostructures that enhance phonon scattering and ...
Jiwu Xin   +10 more
wiley   +1 more source

The prediction of academic self - efficacy based on self - concept and academic values considering the mediating role of achievement goals

open access: yesمجله علوم روانشناختی, 2019
Background: Previous studies have determined that academic self-efficacy is influenced by a variety of variables including self-concept and academic values, but the important point in these studies is that the process of influencing has not been shown ...
Zahra Barati   +3 more
doaj  

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