English
Related papers

Related papers: Crack-free caustic magnesia-bonded refractory cast…

200 papers

Mg batteries utilizing a Mg metal anode with a high-voltage intercalation cathode define a potential pathway toward energy storage with high energy density. However, the realization of Mg batteries is plagued by the instability of existing…

Materials Science · Physics 2019-02-07 Tina Chen , Gerbrand Ceder , Sai Gautam Gopalakrishnan , Pieremanuele Canepa

Although spectrally selective materials play a key role in existing and emerging solar thermal technologies, temperature-related degradation currently limits their use to below 700C in vacuum, and even lower temperatures in air. Here we…

Mesoscale and Nanoscale Physics · Physics 2021-08-18 Zachary J. Berquist , Andrew J. Gayle , Neil P. Dasgupta , Andrej Lenert

Mg-Li alloys have attracted much attention due to their superior properties. However, it is a great challenge to improve their inferior oxidation and corrosion resistance. We report a novel Si-B-N ceramic film deposited on the Mg-9.6Li…

Applied Physics · Physics 2020-07-29 Y. Chen , J. K. Gao , X. D. Zhu

Coherent topologically close-packed nanoplates in magnesium alloys can effectively improve strength and creep resistance.However, the formation mechanisms of several metastable TCP nanoplates remain unclear, and the traditional…

Materials Science · Physics 2025-04-03 Junyuan Bai , Xueyong Pang , Gaowu Qin

Metalorganic chemical vapor deposition (MOCVD) of GaN layers doped with Mg atoms to the recognized optimum level of [Mg] $\sim2 \times 10^{19}$ cm$^{-3}$ has been performed. In a sequence of MOCVD runs, operational conditions, including…

Composites comprising Poly(Methyl Methacrylate) (PMMA) and CaCu3Ti4O12 (CCTO) via melt mixing followed by hot pressing were fabricated. These were characterized using X-ray diffraction (XRD), thermo gravimetric (TGA), scanning electron…

Materials Science · Physics 2013-01-18 P. Thomas , R. S. Ernest Ravindran , K. B. R. Varma

By magnetron co-sputtering, thin films of a nominal Cr2CoGa compound were deposited on MgO and MgAl2O4. To achieve crystallisation in the inverse Heusler structure, different heat treatments were tested. Instead of the inverse Heusler…

Materials Science · Physics 2014-06-25 Manuel P. Geisler , Markus Meinert , Jan Schmalhorst , Günter Reiss , Elke Arenholz

Magnetic properties of polycrystalline Sm0.1Ca0.84Sr0.06MnO3 in pristine and metastable states have been investigated in wide range of temperatures and magnetic fields. It was found that below Curie temperature TC = 105 K the pristine state…

Strongly Correlated Electrons · Physics 2007-05-23 V. Markovich , I. Fita , R. Puzniak , C. Martin , K. Kikoin , A. Wisniewski , S. Hebert , A. Maignan , G. Gorodetsky

Magnesium alloys are emerging as promising alternatives to traditional orthopedic implant materials thanks to their biodegradability, biocompatibility, and impressive mechanical characteristics. However, their rapid in-vivo degradation…

We report simultaneous measurements of the magnetization and the ac susceptibility across the magnetic phase diagram of single-crystal MnSi. In our study we explore the importance of the excitation frequency, excitation amplitude, sample…

Strongly Correlated Electrons · Physics 2012-06-26 A. Bauer , C. Pfleiderer

Alkaline earth silicate glasses $xCaO-(1-x)SiO_2$ exhibit a well marked threshold in Raman lineshapes which can be related to the onset of network rigidity as the concentration of calcium oxide $x$ is decreased. The present results are…

Materials Science · Physics 2007-05-23 M. Micoulaut , M. Malki , P. Simon , A. Canizares

Finding a suitable material for hydrogen storage at ambient atmospheric conditions is challenging for material scientists and chemists. In this work, using a first principles based cluster expansion approach, the hydrogen storage capacity…

Materials Science · Physics 2023-02-22 Pritam Das , Krishnamohan Thekkepat , Young-Su Lee , Seung-Cheol Lee , Satadeep Bhattacharjee

Due to their versatile composition and customizable properties, A$_2$BC Heusler alloys have found applications in magnetic refrigeration, magnetic shape memory effects, permanent magnets, and spintronic devices. The discovery of…

Mg-based alloys are industrially used for structural applications, both as solid solutions alloys and as composites containing intermetallic compounds. However, a further development in terms of mechanical properties requires the…

In this investigation, force field-based molecular dynamics (MD) simulations have been employed to generate detailed structural representations for a range of amorphous quaternary CaO-MgO-Al2O3-SiO2 (CMAS) and ternary CaO-Al2O3-SiO2 (CAS)…

Materials Science · Physics 2021-02-02 Kai Gong , Claire E. White

Reactive single-step hot-pressing at 1473 K and 35 MPa for 4 h produces dense, bulk, near single-phase, low-cost and low-criticality Fe$_2$Al$_{1.15}$B$_2$ and Fe$_2$Al$_{1.1}$B$_2$Ge$_{0.05}$Ga$_{0.05}$ MAB samples, showing a second-order…

We investigate a series of manganese oxides, the La0.225Pr0.4(Ca1-xSrx)0.375MnO3 system. The x = 0 sample is a prototype compound for the study of phase separation in manganites, where ferromagnetic and charge ordered antiferromagnetic…

Strongly Correlated Electrons · Physics 2016-09-14 G. G. Eslava , F. Parisi , P. L. Bernardo , M. Quintero , G. Leyva , L. F. Cohen , L. Ghivelder

In this study, a 6 nm layer of Magnesium Silicate (Mg-Silicate) was deposited on AlGaN/GaN heterostructure by sputtering of multiple stacks of MgO and SiO$_{2}$, followed by rapid thermal annealing in a nitrogen (N$_{2}$) environment. The…

We show that Pr${_{0.5}}$Ca$_{0.5}$MnO${_3}$ with 2.5% Al substitution and La${_{0.5}}$Ca$_{0.5}$MnO${_3}$ (LCMO) exhibit qualitatively similar and visibly anomalous M-H curves at low temperature. Magnetic field causes a broad first-order…

Strongly Correlated Electrons · Physics 2009-02-02 A. Banerjee , Kranti Kumar , P. Chaddah