Materials Literature
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An infrastructure of new and existing pipelines and systems will be required to carry and to deliver hydrogen as an alternative energy source to meet the energy demands of the future. Carbon and low alloy steels of moderate strength are currently used in hydrogen delivery systems as well as in the existing natural gas…
The synthesis, X-ray crystal and electronic band structures as well as magnetotransport and magnetic properties of the α-(BEDT-TTF)2[Mn2Cl5(H2O)5] radical cation salt with a new type of magnetic polymeric complex anion, [Mn2Cl5(H2O)5]−∞, are reported. The crystal structure is characterized by radical cation layers alt…
Abstract The electrical ( σ ) and thermal conductivity ( λ ) of Al 76 Co 22 Ni 2 decagonal approximant has been measured along three orthogonal directions a * , b and c of the Al 76 Co 22 Ni 2 unit cell, where ( a , c ) monoclinic atomic planes are stacked along the perpendicular b direction. Electrical conductivity i…
Wettability tests were performed for Cu, Ag, Au liquid drops on diamond substrates as well as measurements of mechanical contact strength (MCS) between solidified metal drops and diamond. The work of adhesion was calculated using data for metal surface tension and observed contact angles. Cu, Ag, Au (metals of the gro…
A novel apatite-type compound, (Na2.5Bi2.5)(PO4)3(F,OH), NBPF, in the form of single-crystal microtubes with well-faceted, hexagonal morphologies in both exterior and interior surfaces, has been synthesized under hydrothermal conditions without addition of any template, surfactant or metal catalyst. Single crystal X-r…
To reduce the iron losses of reactors under inverter power supply, the loss was calculated by using magnetic field analysis, which models a laminated core by combining a 3D solid-core model with a 1D steel plate model, using the finite element method (FEM). In this method, the structure of the laminations and the eddy…
結晶性のアイソタクチックポリスチレンに対して，融点より十分高い温度においてせん断を印加すると配向構造が観測される．この配向構造に着目し，偏光顕微鏡測定・偏光光散乱測定，小角・広角 X 線散乱測定を行った．通常の融点(223℃)より高温においてせん断を印加したときに観測されるミクロンスケールの配向構造は 250℃ にて，一日以上アニールしても融解せずにそのまま存在していた．しかし，昇温すると 270℃ 付近で融解した．また，この配向構造を通常の融点以下に冷却した場合，配向構造を中心にいわゆるシシケバブ構造が成長していた．さらに，アイソタクチックポリスチレンで観測される融点以上での配向構造の形成過程を明らかにするために，配向構造のせん…
Doped polyaniline (PANI) in its emeraldine salt form with different quantities of oxidised multi-walled carbon nanotubes (OxMWCNTs) via in situ electro-polymerisation on the stainless steel (SS) has been performed. Presence of OxMWNTs in the composite was confirmed by thermal gravimetric analysis (TGA) and scanning el…
The structural changes due to post-ash and post-ash treatments on chemical vapor deposited ultra-low-κ (ULK) SiOCH dielectric films were studied by Auger electron spectroscopy (AES) and Fourier transform infrared spectroscopy (FTIR). Changes in the ULK layer with respect to the carbon content were analyzed. For the ap…
Mesoporous organosilicas were synthesized by sol-gel co-condensation of tetraethoxysilane and appropriate alkoxysilanes in the presence of Pluronic P123 surfactant. Hexyl, dodecyl, and octadecyl alkyl chains have been incorporated into mesopores by such co-condensation. Obtained materials were characterized by X-ray d…
The existence of two polytypes at room temperatures, C-TlInS2 and 2C-TlInS2, with different monoclinic cell parameters, c and 2c, has been revealed. Significant differences in crystal lattice dynamics of these polytypes have been found. In particular, two phase transitions (PTs) have been detected for the polytype C-T…
The behavior of the W-O 2 system has been investigated at 2400 K in the pressure range from 1 to 1 × 10 −5 bar. The chemical composition of the solid and vapor phases for the ratio W: O 2 = 1: 1 was calculated by minimizing the Gibbs free energy. It is shown that the only solid phase in the system is metallic tungsten…
The literature data on the thermodynamic properties and phase equilibria in the copper-gadolinium system were generalized. A set of thermodynamic model parameters for system phases that best described these data were obtained. The phase diagram of the system over the temperature range 300–2000 K at a pressure of 1 bar…
This paper introduces an array of single crystal silicon micro hotplates for differential scanning calorimetry. Based on heat transfer analysis considering tradeoffs between response time, temperature uniformity, and measurement sensitivity, suspended membrane micro hotplates with full backside release were found to b…
Amide- and triazine-containing diamines were incorporated by copolymerization into a siloxane-containing ultra-low-modulus polyimide (PI) as a novel cover layer material to solve some serious problems in the plating process such as interpenetration of an acidic plating solution into the interface between the S-side of…
In this study, the compatibility of "HF-Based" cleaning with porous low-k integration, and “pore-sealing” approach was investigated, and specific attention was paid to ultra low-k porosity evolution. We also tried to demonstrate if "k-recovery" could be achieved by thinning the modified surface layer in the pattern tr…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation G. Urbicain, D. Olvera, L. N. López de Lacalle, I. Zamakona, P. Rodal; New Strategies For Hole Ma…
Despite their potential application, the wetting properties of aqueous surfactant solutions on superhydrophobic (SH) solid surfaces have been rarely investigated. In this work single surfactant solutions and binary mixtures of non-ionic and ionic surfactants have been studied in contact with textured and non-textured…
Nonstoichiometric REE Al 2.07 (B 4 O 10 )O 0.60 ( REE = (La, Ce); Ce; Nd) dimetaborates have been crystallized and analyzed by means of single crystal X-ray diffraction. The compounds resulted to be isostructural within hexagonal space group P -62 m (n. 189), with the following unit cell parameters: a = 4.6060(6) Å, c…
FeMn based alloys are a low cost alternative to traditional SMAs due to their convenient one-way shape memory effect. While alloy systems containing several elements have received considerable attention along the last few years, namely FeMnSiCr, FeMnSiCrNi and modifications of these two containing precipitates, there…