Results 101 to 110 of about 265,473 (286)

Ultrafast Bragg coherent diffraction imaging of epitaxial thin films using deep complex-valued neural networks

npj Computational Materials
Domain wall structures form spontaneously due to epitaxial misfit during thin film growth. Imaging the dynamics of domains and domain walls at ultrafast timescales can provide fundamental clues to features that impact electrical transport in electronic ...
Xi Yu, Longlong Wu, Yuewei Lin, Jiecheng Diao, Jialun Liu, Jörg Hallmann, Ulrike Boesenberg, Wei Lu, Johannes Möller, Markus Scholz, Alexey Zozulya, Anders Madsen, Tadesse Assefa, Emil S. Bozin, Yue Cao, Hoydoo You, Dina Sheyfer, Stephan Rosenkranz, Samuel D. Marks, Paul G. Evans, David A. Keen, Xi He, Ivan Božović, Mark P. M. Dean, Shinjae Yoo, Ian K. Robinson   +25 more
doaj   +1 more source

Light diffraction by a strong standing electromagnetic wave

, 2006
The nonlinear quantum interaction of a linearly polarized x-ray probe beam with a focused intense standing laser wave is studied theoretically. Because of the tight focusing of the standing laser pulse, diffraction effects arise for the probe beam as ...
A. Di Piazza, C. H. Keitel, E. B. Aleksandrov, I. A. Batalin, I. M. Ryzhik, K. Z. Hatsagortsyan, N. B. Narozhnyǐ, V. N. Baier, W. Dittrich   +8 more
core   +1 more source

Interaction of MgO Recyclate‐Based Cermet Anode With KF‐AlF3‐Al2O3 at 800°C During Laboratory Scale Aluminum Molten Salt Electrolysis

Advanced Engineering Materials, EarlyView.
A carbon‐free, as‐sintered MgO–steel cermet anode, fabricated via cold isostatic pressing using MgO–C refractory recyclate, was evaluated under laboratory‐scale K‐cryolite electrolysis at 800°C. Operation at this reduced temperature, combined with the electrolyte's limited electrical conductivity, led to an increase in cell voltage.
Farhan Hossain, Alexander Adamczyk, Felipe Alejandro Garcia Paz, Serhii Yaroshevskyi, Felix Drechsler, Daniel Vogt, Christos G. Aneziris, Alexandros Charitos   +7 more
wiley   +1 more source

X-ray free-electron lasers fire up [PDF]

Nature, 2009
California's project has the lead as its facility goes live, but Europe aims for its own rapid-fire device.
openaire   +1 more source

Dielectric Barrier Discharge Plasma Deoxidation of Natively Oxide Layer of Copper Powders in a Fluidized Bed

Advanced Engineering Materials, EarlyView.
This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang, Annett Wollmann, Thomas Gimpel, Alfred P. Weber   +3 more
wiley   +1 more source

Surface Tension Measurement of Ti‐6Al‐4V by Falling Droplet Method in Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
In this article, the temperature‐dependent surface tension of free falling, oscillating Ti‐6Al‐4V droplets is investigated in both argon and monosilane doped, oxygen‐free atmosphere. Droplet temperature and oscillation are captured with one single high‐speed camera, and the surface tension is calculated with Rayleigh's formula.
Johannes May, Finn‐Lennard Janthur, Lena Kreie, Michael Müller, Sarah Seffer, Nick Schwarz, Jörg Hermsdorf, Thomas Hassel, Stefan Kaierle, Ludger Overmeyer   +9 more
wiley   +1 more source

Creating Ti–Fe α/β Alloys by Diffusion‐Driven Solid‐State Processing

Advanced Engineering Materials, EarlyView.
This study proposes making alloys containing fast diffusing elements that are difficult to produce by ingot metallurgy, by diffusion‐driven solid‐state HIP processing of elemental powders and low‐temperature homogenisation. Here, novel Fe‐Ti α–β alloys are formed having fine α–β lamellae, a small β prior grain size without significant intermetallics ...
Jiaqi Xu, Xun Zhang, Jack M. Donoghue, Albert D. Smith, Rahul Unnikrishnan, Rhys Thomas, Vahid Nekouie, Jie Luo, Dongchen Hu, Michael Preuss, Philip J. Withers   +10 more
wiley   +1 more source

Megahertz serial crystallography [PDF]

, 2018
The new European X-ray Free-Electron Laser is the first X-ray free-electron laser capable of delivering X-ray pulses with a megahertz inter-pulse spacing, more than four orders of magnitude higher than previously possible.
Bean, Richard, Cruz-Mazo, Francisco, Gañán-Calvo, Alfonso M., Oberthür, Dominik, Wiedorn, Max O.   +4 more
core  

High-resolution ab initio three-dimensional X-ray diffraction microscopy

, 2005
Coherent X-ray diffraction microscopy is a method of imaging non-periodic isolated objects at resolutions only limited, in principle, by the largest scattering angles recorded.
Aleksandr Noy, Anton Barty, Beetz, Bertero, Choi, Chris Jacobsen, Congwu Cui, Crimmins, Crowther, David Shapiro, Devaney, Elser, Fienup, Fienup, Fienup, Fienup, Frigo, Haddad, Haifeng He, Hau-Riege, He, He, Henry N. Chapman, John C. H. Spence, Kirz, Ladd, Larabell, Luke, Malcolm R. Howells, Marchesini, Marchesini, Miao, Miao, Miao, Miao, Natterer, Neutze, Nishino, Pan, Rachel Rosen, Robinson, Salerno, Sato, Sayre, Sayre, Shapiro, Spence, Spence, Spence, Stefan P. Hau-Riege, Stefano Marchesini, Streibl, Szoke, Tobias Beetz, Uwe Weierstall, Weiss, Williams, Wolf   +57 more
core   +3 more sources

Impact of Pre‐Oxidation Treatments on a Recycled MgO/Steel‐Composite as Carbon Free Anode in Aluminum‐Electrolysis Environments

Advanced Engineering Materials, EarlyView.
Cermets (60 vol.% AISI 316L stainless steel, 40 vol.% recycled MgO), intended for use in aluminum electrolysis, were pre‐oxidized in three furnaces with different heating technologies and subjected to a cryolite corrosion test. The different atmospheres influenced the formation of oxide layers, which in turn affected corrosion resistance and ...
Patricia Kaiser, Felix Drechsler, Nora Brachhold, Florian Kerber, Christos G. Aneziris   +4 more
wiley   +1 more source