Results 61 to 70 of about 37,913 (175)

Cr1/4NbSe2‐Single Crystal Growth and Evolution of Antiferromagnetic Correlated States

open access: yesAdvanced Science, EarlyView.
High‐quality single crystals Cr1/4NbSe2 were synthesized and comprehensively characterized for the first time. Advanced structural, electronic, and magnetic measurements uncover a correlated antiferromagnetic state, resolving longstanding inconsistencies regarding magnetic behavior derived from earlier polycrystal studies.
Nour Abdelrahman   +16 more
wiley   +1 more source

Spatially Confined/Ligand‐Directed Ultrabright NIR‐AIE Nanoprobe for In Vitro Rapid Detection and In Situ Imaging of Bacterial Septic Arthritis

open access: yesAdvanced Science, EarlyView.
Inorganic PbS quantum dots spatially confine AIEgens and enable cooperative luminescence within a ligand‐directed core–shell–shell nanoassembly, generating ultrabright NIR PPANPs with enhanced fluorescence and photothermal performance. The platform enables 10‐min S.
Yujian Li   +15 more
wiley   +1 more source

Sliding Ferroelectric Metals: An Emerging Frontier

open access: yesAdvanced Science, EarlyView.
This Perspective highlights recent advances in sliding ferroelectric metals, focusing on the coexistence of switchable polarization and metallicity. Representative nonmagnetic and magnetic systems are discussed, together with Berry‐curvature memory, superconducting switching, triply‐coupled switching, magnetoelectric coupling, and electrically ...
Ying Yang   +3 more
wiley   +1 more source

Dynamic Cyclic Fatigue Resistance and Bending Stiffness of Blue-Treated NiTi Rotary Instruments at Simulated Intracanal Temperature: A Comparative In Vitro Study

open access: yes
Background: To compare the dynamic cyclic fatigue resistance, bending stiffness and phase transformation characteristics of blue heat-treated instruments, VDW Rotate (VR) and Azur Blue (AzB), at a simulated intracanal temperature of 34 ± 1°C.
Amre R. Atmeh   +5 more
core   +1 more source

Accelerated Discovery of Earth‐Abundant Oxygen Evolution Catalysts Through Surface‐Informed Active Learning

open access: yesAdvanced Science, EarlyView.
A surface‐informed active learning framework integrated with density functional theory enables resource efficient screening of the NiCoFe ternary composition space. Experimental validation identifies Ni55Co10Fe35 as the optimal composition, exhibiting favorable oxygen evolution reaction kinetics.
Hayun Jeon   +5 more
wiley   +1 more source

"Metalurgia de los instrumentos Reciproc® y Reciproc Blue® VDW®" Una Revisión de sus propiedades físicas y características estructurales [PDF]

open access: yes
Facultad de Odontología. Especialidad en EndodonciaIntroduction: Proper root canal conformation depends on correct preparation, disinfection, and obturation.
María Fernanda Ayala Meneses
core  

GeC/GaN vdW Heterojunctions: A Promising Photocatalyst for Overall Water Splitting and Solar Energy Conversion

open access: yes, 2020
Two-dimensional van der Waals (vdW) heterojunctions have been regarded as promising candidates for photocatalytic water splitting and solar energy conversion. Here, we propose a two-dimensional GeC/GaN vdW heterostructure, where the GaN monolayer and the
Ping Lou (1841044)   +3 more
core   +1 more source

Advances in Josephson Junction Materials and Processes Toward Practical Quantum Computing

open access: yesAdvanced Science, EarlyView.
Emerging materials for quantum computing, including crystalline materials, two‐dimensional van der Waals materials, two‐dimensional electron gas systems, ferromagnets, and unconventional (e.g., d‐wave) superconductors, offer opportunities to engineer next‐generation Josephson junctions.
Hyunseong Kim   +11 more
wiley   +1 more source

Stability and electronic structure of hydrogen vacancies in ADP: hybrid DFT with vdW correction

open access: yes, 2018
Hybrid DFT calculations with vdW correction well explain the defect-induced conductivity break of ADP in the high-temperature region.
Xun Sun   +6 more
core   +1 more source

Surface‐State‐Driven Selectivity of Electrocatalytic Glucose Oxidation: Metallic Au, Au─OH, and CuO

open access: yesAdvanced Science, EarlyView.
In the electrochemical oxidation of glucose, whether the pyranose ring opens upon adsorption decides the reaction pathway: ring opening on metallic Au yields gluconic acid, gluconolactone formation on Au─OH leads to glucaric acid, and C─C cleavage on CuO gives formic acid. Surface state thus governs product selectivity.
Myeonghwan Oh   +9 more
wiley   +1 more source

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