Materials Literature
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Radiation patterns of linear chains of metallic nano-particles (nano-antennae) in the proximity of a hetero-interface of two media with different refractive indices are studied theoretically. We propose to excite the system by evanescent waves in which case the excitation does not interfere with the radiated signal. W…
Summary We present evidence that the relative abundance of glauconite in the Sverdrup Basin during the Middle Permian was due to the progressive encroachment of the sea and associated shoreface erosion of older ironrich red beds and paleosols at a time of passive subsidence. In this context, dissolved iron was supply…
This paper presents simulation results of polymer based microheater operating in the temperature range of 200- 250 ⁰ C which could be operated at low voltage. In the present study Poyimide (PI) is used as heater material. The designed heater will be useful for application such as MEMS based gas sensor using inorganic…
The article considers the operation of a special tool designed at the BMSTU for CNC machining of complex shape threaded holes. The tool combines the functions of a drill and a thread mill. The dependence of the kinematics and such machining parameters as thread diameter and pitch, and a tool-hole diameter ratio on the…
Secondary nucleation is a general term describing generation of new nuclei due to the presence of solute crystals and is the dominant mechanism of nucleation in many commercial crystallizers. Most of the studies on this phenomenon have produced empirical relationships unique to the system investigated. This study take…
The effect of temperature on the strength of strained graphene is studied by means of molecular dynamics simulations. Initially strained graphene is heated with constant temperature increase rate from 0 K up to the mechanical instability and fracture. Strong influence of the temperature increase rate on the critical t…
Aerosol Jet Printing of LSCF-CGO Cathode for Solid Oxide Fuel Cells.Solid oxide fuel cell (SOFC) technology has attracted great attention due to advantages such as low emissions and high efficiency.In this work, solid oxide fuel cells were fabricated by incorporating functional layers deposited by a novel aerosol jet®…
Microstructure and mechanical properties of ultrafine grained (UFG) Cu processed by multiple isothermal forging (MIF) are studied and compared to those after processing by equal channel angular pressing (ECAP). It is shown that when the final temperature of MIF and the temperature of ECAP are the same, similar microst…
Deliverable 4.3 : Final report containing case-by case detailed description and analysis of 12 good practices
Rice husk ash was used as the silica source to synthesize MCM-41 with microwave heating. The effect of pH on the prepared MCM-41 was investigated. X-ray diffraction (XRD) and transmission electron microscopy (TEM) analysis indicated that ordered structure MCM-41 can be synthesized in shorter time by microwave heating…
Rewetting of heated surfaces is important in many physical processes and has important technological applications. Understanding of this phenomenon is required in many engineering and scientific fields. It is one of the most crucial phenomena to be considered for the safety analysis of the design basis Loss‐of‐Coolant…
edition: Abstract Book
SCK•CEN has a long standing history with the testing of uranium-plutonium MOX fuel, both for Light Water Reactor (LWR) and Fast Reactor (FR) applications. ITU is renowned for its highly advanced lab-scale fuel fabrication expertise where novel ideas on improving technology or production of dedicated “exotic” fuels can…
ラングミュア-ブロジェット法を用いて成膜されたポリアニリンナノ薄膜を有機 EL 素子の正孔注入層に適用した．その膜はクロロホルムなどの有機溶媒に可溶でかつ両親媒性高分子であるポリアニリン/ドデシルベンゼンスルホン酸ポリイオン複合体からなる水面上単分子膜を ITO 陽極上に移し取った単分子 LB 膜である．ポリアニリンナノ薄膜の正孔注入能を調べるため，電子輸送性および発光材料であるアルミニウムキノリン錯体と正孔輸送材料であるトリフェニルジアミン誘導体からなる代表的な有機 EL 素子構造を用いて素子特性を評価した．ポリアニリンナノ薄膜の導入により発光開始電圧は 7.0 V から 6.0 V へ低電圧化し，注入電流，発光輝度は約一桁増加…
Combinatorial sputter coating system has been developed for optimizing crystal preferred orientation of coating films. It can synthesize various kinds of coatings under precisely controlled conditions such as sputter-gas, gas pressure, gas partial pressure, r.f. power, substrate temperature, distance between substrate…
In this paper, GaN-based power transistors for a switching application were reported. In order to realize low loss and high power devices, GaN HFET structure on a Si substrate is a significant configuration as well as one of the cost-effective solutions. Furthermore, attempts for normally-off GaN-FETs were examined. A…
Sulfur-Iodine (SI) cycle, which thermochemically splits water to hydrogen and oxygen through three stages of Bunsen reaction, HI decomposition, and H2SO4 decomposition, seems a promising process to produce hydrogen massively. Among them, the decomposition of H2SO4 (H2SO4 = H2O + SO2 + 1/2 O2) requires high temperature…
This study examined surface modification of a solder resist and dry film resist by 60 Hz nonequilibrium atmospheric pressure plasma using O2/N2 gas. Surface modification is extremely important for fine-pitch printed wiring board (PWB) manufacturing processes. Results show that the 0.1% of O2/N2 mixing ratio was the be…
In this paper, tunneling magnetoresistance (TMR) of FeCo/MgO/FeCo magnetic tunnel junction (MTJ) is calculated theoretically using transfer matrix method. Band structure calculations are performed using ab initio Linearized Augmented Plane Wave (LAPW) method implemented in Wien2k program package. Fixed-spin moment (FS…
We have achieved a thick AlGaN/GaN HEMT on Si substrate using GaN/AlN multilayer. The multilayer is effective in relaxing the stress in the upper GaN layer. The vertical and horizontal breakdown voltages increased with the increase of the epitaxial layer thickness. A breakdown field of 1.8×106 V/cm was estimated from…