Results 71 to 80 of about 155,194 (319)

Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai   +8 more
wiley   +1 more source

Effect of the liquid temperature on strong compression of a cavitation bubble

open access: yesУчёные записки Казанского университета: Серия Физико-математические науки, 2019
The influence of the liquid temperature in the range of 273.15–419 K on the vapor compression inside a collapsing cavitation bubble in acetone has been studied. The liquid pressure is 50 bar.
A.A. Aganin, T.F. Khalitova
doaj   +1 more source

Cu‐Based MOF/TiO2 Composite Nanomaterials for Photocatalytic Hydrogen Generation and the Role of Copper

open access: yesAdvanced Functional Materials, EarlyView.
HKUST‐1/TiO2 composite materials show a very high photocatalytic hydrogen evolution rate which increases as a function of the irradiation time until reaching a plateau and even surpasses the performance of the 1%Pt/TiO2 material after three photocatalytic cycles.
Alisha Khan   +9 more
wiley   +1 more source

The dynamics of a gas bubble in liquid near a rigid surface

open access: yesУчёные записки Казанского университета: Серия Физико-математические науки, 2018
The axisymmetric dynamics of a gas bubble in liquid near a plane rigid surface (wall) during its expansion and subsequent compression with the transition to the toroidal phase of motion has been studied.
A.A. Aganin   +2 more
doaj  

Observations of Cavitating Flow [PDF]

open access: yes, 1994
This paper will present a review of some of the recent advances in our understanding of the dynamics and acoustics of cavitating flows. We focus first on the individual events which evolve from a single travelling nucleus and describe observations of the
Brennen, Christopher E.
core  

Atomic Size Misfit for Electrocatalytic Small Molecule Activation

open access: yesAdvanced Functional Materials, EarlyView.
This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong   +3 more
wiley   +1 more source

Numerical and experimental study on cyclotrimethylenetrinitramine/aluminum explosives in underwater explosions

open access: yesAdvances in Mechanical Engineering, 2016
Underwater explosion experiments were conducted to determine the optimal performance of cyclotrimethylenetrinitramine (RDX)-based aluminized explosives with an aluminum content of 0%, 15%, and 30%.
Qian Zhao   +4 more
doaj   +1 more source

Modifications of the SURDAT database of the physicochemical properties of metals and alloys [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2012
Experimental studies of the surface tension and the density were carried out by means of the maximum bubble pressure method and the dilatometric technique and next, they were compiled with the results of over 12 years of research of the liquid pure ...
Gasior W., Debski A.
doaj   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

Stability of multi-electron bubbles in liquid helium

open access: yes, 2008
The stability of multi-electron bubbles in liquid helium is investigated theoretically. We find that multi-electron bubbles are unstable against fission whenever the pressure is positive.
A. P. Volodin   +10 more
core   +1 more source

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