Results 61 to 70 of about 19,757 (298)

Development of Sustainable MgO–C Refractories Using MgO–C Recyclates and a Novel Eco‐Friendly Fructose–Tannin Binder Crosslinked With Citric Acid

Advanced Engineering Materials, EarlyView.
This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional additives on mechanical and thermomechanical properties was examined. Characterization included strength tests, immersion trials, and microstructural and inclusion
Dinesh K. Gunasekar, Jana Hubálková, Steffen Dudczig, Gert Schmidt, Florian Kerber, Thomas Schemmel, Patrick Gehre, Christos G. Aneziris   +7 more
wiley   +1 more source

Electromagnon excitations in modulated multiferroics

, 2008
The phenomenological theory of ferroelectricity in spiral magnets presented in [M. Mostovoy, Phys. Rev. Lett. 96, 067601 (2006)] is generalized to describe consistently states with both uniform and modulated-in-space ferroelectric polarizations.
A. Cano, A. P. Levanyuk, B. A. Strukov, E. I. Kats, G. A. Smolenskiĭ, H. Schmid, I. E. Dzyaloshinskii, I. E. Dzyaloshinskii, I. E. Dzyaloshinskii, I. E. Dzyaloshinskii, L. D. Landau, P. G. de Gennes, V. G. Bar’yakhtar, V. G. Bar’yakhtar, V. G. Bar’yakhtar, Y. N. Venevtsev, Yu. A. Izyumov   +16 more
core   +1 more source

RX J0806+15: the shortest period binary? [PDF]

, 2002
The X-ray source RX J0806+15 was discovered using ROSAT , and shows an X-ray light curve with a prominent modulation on a period of 321.5 s. We present optical observations in which we report the detection of its optical counterpart.
Cropper, M, Hakala, P, Ramsay, G
core   +1 more source

Shape-programmable magnetic soft matter [PDF]

Proceedings of the National Academy of Sciences, 2016
Significance At small scales, shape-programmable magnetic materials have significant potential to achieve mechanical functionalities that are unattainable by traditional miniature machines. Unfortunately, these materials have only been programmed for a small number of specific applications, as previous work can only rely on human intuition to
Lum, Guo Zhan, Ye, Zhou, Dong, Xiaoguang, Marvi, Hamid, Erin, Onder, Hu, Wenqi, Sitti, Metin   +6 more
openaire   +4 more sources

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source

Properties of serendipitous X-ray flares discovered in XMM-Newton observations

, 2004
We present the results of a search of the XMM-Newton public data archive for stellar X-ray flares. We find eight flaring sources for which we identify 7 optical counterparts.
Allen, Barnes, Braes, Brown, Carl Foley, Chen, de Epstein, Dorman, Duncan Trenholme, Fuhrmeister, Gavin Ramsay, Glover, Golub, Jansen, Martres, Mewe, Micela, Moreton, Pallavicini, Panagi, Pearce, Perlman, Perryman, Pillitteri, Pillitteri, Priest, Prosser, Ramsay, Randich, Robichon, Serio, Shibata, Stern, Strüder, Tsikoudi, Wiramihardja, Švestka   +36 more
core   +1 more source

Advancing Electronic Application of Coordination Solids: Enhancing Electron Transport and Device Integration via Surface‐Mounted MOFs (SURMOFs)

Advanced Functional Materials, EarlyView.
The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu, Christof Wöll, Stefan Bräse   +2 more
wiley   +1 more source

Ab initio Evidence for Giant Magnetoelectric Responses Driven by Structural Softness

, 2010
We show that inducing structural softness in regular magnetoelectric (ME) multiferroics -- i.e., tuning the materials to make their structure strongly reactive to applied fields -- makes it possible to obtain very large ME effects.
A. S. Borovik-Romanov, Jacek C. Wojdeł, Jorge Íñiguez   +2 more
core   +1 more source

Dipole–dipole interaction in superparamagnetic nanocrystalline Fe63.5Cr10Si13.5B9Cu1Nb3 [PDF]

, 2001
Cr-substituted Finemet-type nanocrystalline alloy (Fe63.5Cr10Si13.5B9Cu1Nb3) has been studied by differential scanning calorimetry, x-ray diffraction, Mo¨ssbauer spectroscopy, and magnetic measurements.
Conde Amiano, Alejandro, Conde Amiano, Clara Francisca, Franco García, Victorino, Kaptás, D., Kemény, T., Kiss, L.F., Vincze, I.   +6 more
core   +1 more source

Magnetization loss of nanocrystalline soft magnets [PDF]

Journal of Physics: Conference Series, 2009
FeCuNbSiB-ribbons with optimized nanocrystalline microstructure possess a unique combination of near-zero magnetostriction, high saturation induction and low magnetization losses. Due to the absence of distinct intrinsic anisotropies, the magnetization curve can be adjusted by field-annealing to square or flat shape. It is well known that excess losses
Sybille Flohrer, Giselher Herzer
openaire   +1 more source