Results 111 to 120 of about 890,794 (377)

Low‐Symmetry Weyl Semimetals: A Path to Ideal Topological States

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a theoretical framework for realizing ideal Weyl semimetals, where Weyl nodes are well‐isolated at the Fermi level. The approach is exemplified in the low‐symmetry material Cu2SnSe3, which exhibits tunable topological phases, current‐induced orbital magnetization, and a strong circular photogalvanic effect, making it a promising ...
Darius‐Alexandru Deaconu   +3 more
wiley   +1 more source

Formation of 2D Electron Gas at a Non‐Polar Perovskite Oxide Interface: SrHfO3/BaSnO3

open access: yesAdvanced Functional Materials, EarlyView.
Through experiments and Poisson‐Schrödinger simulations, 2D electron gas formed at the non‐polar SrHfO3/BaSnO3 interface is observed. A large conduction band offset enables modulation doping by the intrinsic deep donors in SrHfO3, resulting in carrier confinement in BaSnO3 without relying on interfacial polarization or termination‐layer engineering ...
Jongkyoung Ko   +5 more
wiley   +1 more source

ASTRONOMY IN UKRAINE [PDF]

open access: yes, 2007
Paper to be published in ``Organizations and Strategies in Astronomy'' -- Vol. 7, Ed. A.
I. B. Vavilova   +2 more
openaire   +4 more sources

Chemo‐Mechanical Coupling in Hydrogels: Dynamics in the Diffusion‐Limited Regime

open access: yesAdvanced Functional Materials, EarlyView.
A time‐dependent continuum model is developed to capture the transient swelling dynamics of chemo‐mechanical hydrogels. By coupling chemical reactions, solvent transport, and polymer deformation, volume phase transitions, reaction kinetics, and transient mechanical instabilities are analyzed.
Yao Xiong   +2 more
wiley   +1 more source

SEMANTIC CHARACTERISTIC OF THE TERMS OF ASTRONOMY, FUNCTIONING IN THE TEXTS OF SCIENTIFIC MONOGRAPHS [PDF]

open access: yesАктуальные проблемы филологии и педагогической лингвистики, 2017
The article is devoted to a comprehensive semantic characterization of astronomy terms, functioning in the Russian and English texts of scientific monographs.
Alikaev Rashid S.   +3 more
doaj  

Ferroelectricity in Single‐Crystalline BaTiO3 Nanodisks on Silicon

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectricity is studied in 20 nm thick single crystalline BaTiO3 nanodisks when scaling their diameter from ≈ 400 down to 100 nm. For 100 nm diameter, the vertical polarization component adopts three distinct patterns, and the lateral one shows a rotational invariance in‐plane, suggesting a combination of center‐type and flux‐closure domains.
Ibukun Olaniyan   +9 more
wiley   +1 more source

Relativistic Binaries in Globular Clusters

open access: yesLiving Reviews in Relativity, 2006
The galactic population of globular clusters are old, dense star systems, with a typical cluster containing 10^4 - 10^7 stars. As an old population of stars, globular clusters contain many collapsed and degenerate objects. As a dense population of stars,
Benacquista Matthew J.
doaj  

Unproceedings of the Fourth .Astronomy Conference (.Astronomy 4), Heidelberg, Germany, July 9-11 2012

open access: yes, 2013
The goal of the .Astronomy conference series is to bring together astronomers, educators, developers and others interested in using the Internet as a medium for astronomy.
Bauer, Amanda   +11 more
core  

Nitrogen‐Vacancy Magnetometry of Edge Magnetism in WS2 Flakes

open access: yesAdvanced Functional Materials, EarlyView.
Using nitrogen‐vacancy magnetometry, the authors visualize room‐temperature stray magnetic fields localized at the edges of WS2 flakes. Their measurements reveal edge‐specific magnetization consistent with spin canting in antiferromagnetically coupled edge states.
Ilja Fescenko   +17 more
wiley   +1 more source

Application of Wavelet Transform for Image Denoising of Spatially and Time Variable Astronomical Imaging Systems

open access: yesActa Polytechnica, 2011
We report on our efforts to formulate algorithms for image signal processing with the spatially and time variant Point-Spread Function (PSF) and inhomogeneous noise of real imaging systems.
M. Blažek, E. Anisimova, P. Páta
doaj  

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