Results 91 to 100 of about 132,013 (294)

Subsurface State Bilayer in Tetragonal Ferroelectric BaTiO3

open access: yesAdvanced Materials Interfaces, EarlyView.
The subsurface Ba2+disorder, reveals the pairs of O vacancies (VO++$V_O^{ + + }$ s) and small polarons (SPe‐SPe−$SP_e^ - $ s) (Figure a–b), with the charge balance, as the following: Ti3++[VO+++SPe−]pair↔Ti4+${{T}_i}^{3 + } + {{[V_O^{ + + } + SP_e^ - ]}_{pair}} \leftrightarrow T_i^{4 + }$ which is consistent with observed low‐energy electron ...
Junhao Chen   +12 more
wiley   +1 more source

Pressure distributions on a 0.04-scale model of the Space Shuttle Orbiter's forward fuselage in the Langley unitary plan wind tunnel [PDF]

open access: yes
Pressure distribution tests on a 0.04-scale model of the forward fuselage of the Space Shuttle Orbiter are presented without analysis. The tests were completed in the Langley Unitary Plan Wind Tunnel (UPWT).
Bradley, P. F.   +3 more
core   +1 more source

Tuning the Crystalline Phase Transition Temperature of 1T‐TaS2 via Surface Oxidation

open access: yesAdvanced Materials Interfaces, EarlyView.
The critical temperature of the 1T‐ to 2H‐TaS2 phase transition can be tuned via the surface oxidation process, which originates from the sulfur surface sublimation and its induced doping. This work provides a facile and effective method to tune the phase of the TMDs, toward the fabrication of the nanostructure based on the phase engineering for future
Lilin Yang   +13 more
wiley   +1 more source

Design and calibration of the mixing layer and wind tunnel [PDF]

open access: yes
A detailed account of the design, assembly and calibration of a wind tunnel specifically designed for free-shear layer research is contained. The construction of this new facility was motivated by a strong interest in the study of plane mixing layers ...
Bell, James H., Mehta, Rabindra D.
core   +1 more source

Wind-Tunnel Tests of a Bridge Model with Active Vibration Control [PDF]

open access: green, 2000
Henriette I. Hansen   +3 more
openalex   +1 more source

Supramolecular Nanoarchitectonics of PNIPAAM‐co‐MA and Imogolite to Obtain Thermoresponsive Clay Nanotubes Through Complexation Mechanism

open access: yesAdvanced Materials Interfaces, EarlyView.
The selective adsorption of anionic poly(N‐isopropylacrylamide)‐co‐methacrylic (PNIPAAM‐co‐MA) onto the external surface of imogolite nanotubes is driven by electrostatic attractions. The copolymer coating affects the surface charge, aqueous diffusion and self‐assembling of imogolite.
Claire Hotton   +5 more
wiley   +1 more source

Aeroelastic instability stoppers for wind tunnel models [PDF]

open access: yes, 1981
A mechanism for diverting the flow in a wind tunnel from the wing of a tested model is described. The wing is mounted on the wall of a tunnel. A diverter plate is pivotally mounted on the tunnel wall ahead of the model. An actuator fixed to the tunnel is
Doggett, R. V., Jr., Ricketts, R. H.
core   +2 more sources

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