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Showing 51-60 of 128

The dual role of coherent twin boundaries in hydrogen embrittlement

Publication

Nature Communications

Seita, M.; Hanson, J. P.; Gradečak, S.; Demkowicz, M. J.

Hydrogen embrittlement (HE) causes engineering alloys to fracture unexpectedly, often at considerable economic or environmental cost. Inaccurate predictions of component lifetimes arise from inadequate understanding of how alloy microstructure affects HE.
Development of a monochromator for aberration-corrected scanning transmission electron microscopy

Publication

Microscopy

Mukai, M.; Okunishi, E.; Ashino, M.; Omoto, K.; Fukuda, T.; Ikeda, A.; Somehara, K.; Kaneyama, T.; Saitoh, T.; Hirayama, T.; Ikuhara, Y.

In this article, we report the development of a new 200-kV analytical electron microscope equipped with a monochromator with an integrated double Wien-filter system.
Quantification of ordering at a solid-liquid interface using plasmon electron energy loss spectroscopy

Publication

Applied Physics Letters

Gandman, M.; Kauffmann, Y.; Kaplan, W. D.
Nanoscale temperature mapping in operating microelectronic devices

Publication

Science

Mecklenburg, M.; Hubbard, W. H.; White, E. R.; Dhall, R.; Cronin, S. B.; Aloni, S.; Regan, B. C.

Modern microelectronic devices have nanoscale features that dissipate power nonuniformly, but fundamental physical limits frustrate efforts to detect the resulting temperature gradients.
On the origin of nano-chessboard super-lattices in A-site deficient Ca-stabilized Nd2/3TiO3

Publication

Chemistry of Materials

Azough, F.; Kepaptsoglou, D. M.; Ramasse, Q. M.; Schaffer, B.; Freer, R.

A-site deficient Nd2/3TiO3 ceramics stabilized with CaTiO3, with an overall composition of 0.9Nd2/3TiO3 – 0.1CaTiO3, were synthesized by the mixed oxide route. Synchrotron X-ray diffraction was used to identify the basic perovskite structure and revealed cross-type super-lattice reflections.
Simultaneous in-situ synthesis and characterization of Co@Cu core-shell nanoparticle arrays

Publication

Advanced Materials

McKeown, J. T.; Wu, Y.; Fowlkes, J. D.; Rack, P. D.; Campbell, G. H.

Core-shell particle ensembles are fabricated by pulsed-laser-induced dewetting of initially continuous, ultrathin alloy films through a combination of morphological and chemical instability.
Synthesis of chiral, crystalline Au-nanoflower catalyst As-sisting conversion of rhodamine-B to rhodamine-110 and a single step, one pot, eco-friendly reduction of nitroarenes

Publication

Journal of Physical Chemistry

Basak, S.

Chiral, multipetal gold nanoflowers (AuNFs) with crystalline tips were synthesized in high yield through the reduction of HAuCl4 in water in presence of preformed core-satellite Ag nanoparticle (AgNPs) seeds.
Continuous-mode laser ablation at the solid-liquid interface of pelletized low-cost materials for the production of luminescent silicon carbide nanocrystals

Publication

Journal of Physical Chemistry

Hueso, J. L.

We report on the fabrication of silicon carbide (SiC) nanocrystals using a continuous scanning mode laser for the ablation of pelletized SiC microparticles (NPs).
Investigation of ion induced bending mechanism for nanostructures

Publication

Materials Research Express

Rajput, N. S.; Tong, Z.; Luo, X.

Ion induced bending is a promising controlled technique for manipulating nanoscale structures. However, the underlying mechanism of the process is not well understood. In this letter, we report a detailed study of the bending mechanism of Si nanowires (NWs) under Ga+ irradiation.
The effect of surface conditions on the elevated temperature sliding contact deformation of AA5083 alloy

Publication

Wear

Gali, O. A.; Riahi, A. R.; Alpas, A. T.

Elevated temperature sliding contact experiments were carried out on an Al-Mg alloy AA5083 to study the formation of oxide fibres on their surface. Deformation and friction tests were conducted at a constant strain rate of 4×10−2 s−1 at temperatures 350 °C, 450 °C and 545 °C.

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