Results 101 to 110 of about 5,185,753 (366)

Phonons in Single‐Domain κ‐Ga2O3 Studied by Polarization Angle‐Resolved Raman Scattering

Advanced Electronic Materials, EarlyView.
Single‐domain κ‐Ga2O3 is systematically studied using advanced Raman spectroscopy, revealing over 100 Raman‐active phonon modes. These modes are compared with theoretical predictions and organized within a newly established nomenclature, offering a robust reference for future research.
Alwin Wüthrich, Benjamin M. Janzen, Roland Gillen, Hans Tornatzky, Andrea Ardenghi, Oliver Bierwagen, Anna Sacchi, Piero Mazzolini, Maximilian Ries, Temma Ogawa, Hiroyuki Nishinaka, Markus R. Wagner   +11 more
wiley   +1 more source

Policy opportunities [PDF]

Recommendations are given regarding National Science Foundation (NSF) astronomy programs and the NASA Space Astrophysics program. The role of ground based astronomy is reviewed.
Acton, Loren W., Bahcall, Neta A., Bless, Robert C., Brown, Robert A., Burbidge, Geoffrey, Burke, Bernard F., Clark, George W., Cordova, France A., Mccray, Richard, Ostriker, Jeremiah P.   +9 more
core   +1 more source

Emergent Spin Fluctuation and Structural Metastability in Self‐Intercalated Cr1+xTe2${\rm Cr}_{1+x}{\rm Te}_2$ Compounds

Advanced Electronic Materials, EarlyView.
Metastable superstructure and emergent spin fluctuation in self‐intercalated Cr1+xTe2${\rm Cr}_{1+x}{\rm Te}_2$ ABSTRACT Intercalated van der Waals (vdW) magnetic materials host unique magnetic properties due to the interplay of competing interlayer and intralayer exchange couplings, which depend on the intercalant concentration within the van der ...
Clayton Conner, Ali Sarikhani, Theo Volz, Mathew Pollard, Mitchel Vaninger, Xiaoqing He, Steven Kelley, Jacob Cook, Avinash Sah, John Clark, Hunter Lucker, Cheng Zhang, Paul Miceli, Yew San Hor, Xiaoqian Zhang, Guang Bian   +15 more
wiley   +1 more source

Santa and the moon [PDF]

, 2011
Happy end-of-the-year evening and night events provide good opportunities to explain the phases of the moon. The need for such moon phase education is once again demonstrated, through an investigation of illustrations on Santa Claus and Christmas gift ...
Barthel, Peter
core   +1 more source

Extrasolar Planets in the Classroom

, 2011
The field of extrasolar planets is still, in comparison with other astrophysical topics, in its infancy. There have been about 300 or so extrasolar planets detected and their detection has been accomplished by various different techniques.
Charbonneau D, Jones H, Latham D W, Lopresto M C, Samuel J George, Struve O   +5 more
core   +1 more source

Influence of Metal Species and Content of Fe‐Ni‐Poly(heptazine imides) on their Properties as Electrocatalysts for Zinc‐Air Batteries

Advanced Energy Materials, EarlyView.
Iron/nickel‐modified poly(heptazine imides) are efficient, low‐cost bifunctional electrocatalysts for the oxygen reduction and evolution reactions in aqueous zinc–air batteries. Iron enhances oxygen reduction, while nickel single‐atoms deliver oxygen evolution activity comparable to RuO2.
Franz Jacobi, Rudolf Frank Baumgart, Robert Leiter, Marius Hermesdorf, Sri Rezeki, Alexander Kemmesies, Christof Neumann, Andrey Turchanin, Christopher Schlesiger, Simon Fleischmann, Desirée Leistenschneider   +10 more
wiley   +1 more source

Pre-service astronomy education of teachers [PDF]

Highlights of Astronomy, 2005
There is little research on elementary/secondary teacher preparation. Few teachers are called upon to teach astronomy specifically, or their astronomy teaching is peripheral to their main interest (e.g., general science at lower levels or physics at higher levels).
openaire   +1 more source

PROPOSTA DE UMA SEQUÊNCIA DIDÁTICA PARA O ENSINO DO TEMA "ESTAÇÕES DO ANO" NO ENSINO FUNDAMENTAL

Ensaio Pesquisa em Educação em Ciências
Esta pesquisa objetivou desenvolver uma sequência didática para o ensino do tema "Estações do ano", capaz de proporcionar aos alunos uma visão global dos conteúdos envolvidos e as relações entre o saber científico e o cotidiano, na busca de se ...
Camila Linhares Taxini, Cintia Cristina Isicawa Puga, Caio Samuel Franciscati Silva, Rosemary Rodrigues Oliveira   +3 more
doaj   +1 more source

Real-World Oriented Smartphone AR Supported Learning System Based on Planetarium Contents for Seasonal Constellation Observation

Applied Sciences, 2019
A popular astronomical concept covered by projection learning programs in the planetarium is seasonal constellation. However, a planetarium’s learning environment is limited to virtual scenes, where learners can observe seasonal constellations, but there
Ke Tian, Mayu Urata, Mamoru Endo, Katsuhiro Mouri, Takami Yasuda, Jien Kato   +5 more
doaj   +1 more source

Deep Learning‐Assisted Coherent Raman Scattering Microscopy

Advanced Intelligent Discovery, EarlyView.
The analytical capabilities of coherent Raman scattering microscopy are augmented through deep learning integration. This synergistic paradigm improves fundamental performance via denoising, deconvolution, and hyperspectral unmixing. Concurrently, it enhances downstream image analysis including subcellular localization, virtual staining, and clinical ...
Jianlin Liu, Rujia Liu, Xinyan Zhang, Xun Chen, Shuhua Yue   +4 more
wiley   +1 more source