Results 241 to 250 of about 8,115,379 (305)
In Situ Amine Formation to Modulate MOF‐Derived PdIn N‐Doped Carbon Catalysts
Advanced Materials, EarlyView.An amine‐assisted approach converts PdIn‐MOF into PdIn intermetallic nanoparticles embedded in N‐doped carbon. In situ‐generated amines trigger early Pd nucleation, producing smaller PdIn domains than direct pyrolysis. Amine sterics and basicity tune composition and particle size, while solvent and amine co‐determine textural features.
Gonzalo Egea +9 more
wiley +1 more source
Advanced Materials, EarlyView.Drawing inspiration from the layered hard‐soft architecture found in sea sponges, this work establishes a new framework for architected cementitious composites (ACC) through multi‐material additive manufacturing (MMAM) process. The integration of mortar and elastomer phases into layered architectures enables synergistic toughening mechanisms, including
Aimane Najmeddine +5 more
wiley +1 more source
Evidence for Itinerant Ferromagnetic Flat Bands Producing Large Transverse Responses
Advanced Materials, EarlyView.Itinerant ferromagnetic flat bands are demonstrated in GdCo5 with a high Curie temperature of 940K, a stacked honeycomb–kagome lattice, through angle‐resolved photoemission spectroscopy and magneto‐thermoelectric measurements. These topological flat bands generate large Berry curvaturte, producing gigantic anomalous Nernst effect with record‐high ...
Susumu Minami +15 more
wiley +1 more source
Role of the Recombination Zone in Organic Light‐Emitting Devices
Advanced Materials, EarlyView.This review summarizes the critical role of the recombination zone in organic light‐emitting diodes (OLEDs). We highlight that broadening the recombination zone in OLEDs based on emissive layers with balanced charge transport and high photoluminescence quantum yields provides a promising route toward achieving both long operational lifetime and high ...
Yungui Li, Karl Leo
wiley +1 more source
Correction: An integrative review of barriers to actionable intersectionality in cancer research
Discover Public HealthChee-Yeong Yap, Hang-Kuen Chua
doaj +1 more source
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An analysis of flexible learning and flexibility over the last 40 years of Distance Education
Distance Education, 2019In this paper, we report the major themes we identified in the literature surrounding flexible learning that has been published in Distance Education over the last 40 years.
George Veletsianos, Shandell Houlden
exaly +2 more sources
Intellectual roots of distance education: a progressive knowledge domain analysis
Distance Education, 2019Distance education (DE) is a constantly evolving and advancing field, and as such, its intellectual network and dynamics need to be investigated and explored.
Aras Bozkurt
exaly +2 more sources
British Journal of Educational Technology, 2004
Distance education is being hailed as the next best thing to sliced bread. But is it really? Many problems exist with distance-delivered courses. Everything from course development and management to the student not being adequately prepared are problematic and result in high attrition rates in distance-delivered courses.
James O. Wear, Alan Levenson
+4 more sources
Distance education is being hailed as the next best thing to sliced bread. But is it really? Many problems exist with distance-delivered courses. Everything from course development and management to the student not being adequately prepared are problematic and result in high attrition rates in distance-delivered courses.
James O. Wear, Alan Levenson
+4 more sources
Intrinsic and Extrinsic Motivation in Distance Education: A Self-Determination Perspective
American Journal of Distance Education, 2023Motivation activates and sustains one’s behaviors toward a goal, and it is one of the most important factors affecting students’ learning outcomes, especially for online learning.
Zikai Zhou, Yuanyuan Zhang
semanticscholar +1 more source