24 Result(s)

Article

Capillary condensation under atomic-scale confinement

Capillary condensation of water is ubiquitous in nature and technology. It routinely occurs in granular and porous media, can strongly alter such properties as adhesion, lubrication, friction and corrosion, an...

Qian Yang, P. Z. Sun, L. Fumagalli, Y. V. Stebunov, S. J. Haigh, Z. W. Zhou… in Nature (2020)

Article

Limits on gas impermeability of graphene

Despite being only one-atom thick, defect-free graphene is considered to be completely impermeable to all gases and liquids^1–10. This conclusion is based on theory^3–8 and supported by experiments^1,9,10 that could...

P. Z. Sun, Q. Yang, W. J. Kuang, Y. V. Stebunov, W. Q. **ong, J. Yu, R. R. Nair… in Nature (2020)

Article

Ballistic molecular transport through two-dimensional channels

Gas permeation through nanoscale pores is ubiquitous in nature and has an important role in many technologies^1,2. Because the pore size is typically smaller than the mean free path of gas molecules, the flow of t...

A. Keerthi, A. K. Geim, A. Janardanan, A. P. Rooney, A. Esfandiar, S. Hu… in Nature (2018)

Article

Ultrathin graphene-based membrane with precise molecular sieving and ultrafast solvent permeation

Highly laminar graphene oxide flakes (10 to 20 μm in diameter) are fabricated. Reducing flake thickness to 10 nm enables water and organic solvent permeation, enabling the flakes to act as a highly effective o...

Q. Yang, Y. Su, C. Chi, C. T. Cherian, K. Huang, V. G. Kravets… in Nature Materials (2017)

Article

Molecular transport through capillaries made with atomic-scale precision

Nanometre-scale graphitic capillaries with atomically flat walls are engineered and studied, revealing unexpectedly fast transport of liquid water through channels that accommodate only a few layers of water.

B. Radha, A. Esfandiar, F. C. Wang, A. P. Rooney, K. Gopinadhan, A. Keerthi… in Nature (2016)

Article

Symptômes neurologiques du bord latéral du pied et de la cheville

F. -C. Wang in Médecine et Chirurgie du Pied (2015)

Article

Square ice in graphene nanocapillaries

The structure of the low-dimensional water confined in hydrophobic pores is shown, using electron microscopy and supported by molecular dynamics simulations, to be ‘square ice’, which does not have the convent...

G. Algara-Siller, O. Lehtinen, F. C. Wang, R. R. Nair, U. Kaiser, H. A. Wu… in Nature (2015)

Article

Proton transport through one-atom-thick crystals

Measurements show that monolayers of graphene and hexagonal boron nitride are unexpectedly highly permeable to thermal protons and that their conductivity rapidly increases with temperature, but that no proton...

S. Hu, M. Lozada-Hidalgo, F. C. Wang, A. Mishchenko, F. Schedin, R. R. Nair… in Nature (2014)

Article

L’électroneuromyographie dans la pathologie de la face dorsale du pied

L’anatomie et l’électroneuromyographie (ENMG) sont intimement liées. Dans cette mise au point, consacrée à l’ENMG de la face dorsale du pied, nous envisagerons systématiquement l’anatomie, pour chaque tronc ne...

F. C. Wang in Médecine et Chirurgie du Pied (2014)

Article

Effect of Strain Rate on Plastic Flow in Zr-Based Metallic-Glass-Reinforced Porous Tungsten Matrix Composites

The rate-dependent deformation of Zr₃₈Ti₁₇Cu_10.5Co₁₂Be_22.5 bulk metallic-glass-reinforced porous tungsten matrix composites was investigated over a wide range of strain rates. The composites were examined in two ...

Y. F. Xue, L. Wang, H. N. Cai, F. C. Wang… in Metallurgical and Materials Transactions A (2011)

Article

Microstructure and Electrochemical Behavior of Fe-Based Amorphous Metallic Coatings Fabricated by Atmospheric Plasma Spraying

A Fe₄₈Cr₁₅Mo₁₄C₁₅B₆Y₂ alloy with high glass forming ability (GFA) was selected to prepare amorphous metallic coatings by atmospheric plasma spraying (APS). The as-deposited coatings present a dense layered struct...

Z. Zhou, L. Wang, D. Y. He, F. C. Wang, Y. B. Liu in Journal of Thermal Spray Technology (2011)

Article

Microstructure and Wear Resistance of Fe-Based Amorphous Metallic Coatings Prepared by HVOF Thermal Spraying

Amorphous metallic coatings with a composition of Fe₄₈Cr₁₅Mo₁₄C₁₅B₆Y₂ were fabricated by means of high velocity oxygen fuel (HVOF) thermal spraying process. The microstructure and wear performance of the coatings...

Z. Zhou, L. Wang, D. Y. He, F. C. Wang, Y. B. Liu in Journal of Thermal Spray Technology (2010)

Article

Thiocyanate-selective electrode based on N-salicylidene-benzylamineato copper(II) complex

Highly selective poly(vinyl chloride) (PVC) membrane electrode based on N-salicylidene-benzylamineato copper(II) complexes [Cu(SBA)₂] as new carriers towards thiocyanate-selective electrode was reported. The infl...

F. C. Wang, Y. Q. Chai, R. Yuan in Russian Journal of Electrochemistry (2008)

Article

Lift -Off Process to get Free-Standing High Quality Single Crystal Diamond Films and Suspended Single Crystal Diamond Devices

Freestanding and suspended single crystal diamond devices, micro disks and beam structures, have been fabricated on single crystal diamond substrates using a lift-off process employing ion implantation followe...

Jie Yang, F. C. Wang, L. E. Hu, E. Butler James in MRS Online Proceedings Library (2007)

Chapter and Conference Paper

Lubrication Modelling of Artificial Hip Joints

Lubrication modelling of artificial hip joints was considered. In particular, a mixed lubrication model was developed for artificial hip joints employing ultra high molecular weight polyethylene cups, and both...

F. C. Wang, Z. M. ** in IUTAM Symposium on Elastohydrodynamics and… (2006)

Article

Chemiluminescence flow system for the determination of Fe(II) and Fe(III) in water

A novel chemiluminescence (CL) flow system has been developed for the sequential determination of Fe(II) and Fe(III) in water. Fe(II) was detected by its catalytic effect on the CL reaction between luminol im...

W. Qin, Z. J. Zhang, F. C. Wang in Fresenius' Journal of Analytical Chemistry (1998)

Article

Dynamics of intertidal marshes near shallow estuaries in Louisiana

A three-year (1991–1993) field investigation was conducted to quantify the hydrodynamics of intertidal marshes adjacent to tidal channels and shallow bays within two Louisiana coastal regions: (1) the sediment...

F.C. Wang in Wetlands Ecology and Management (1997)