Materials Literature
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Picosecond time-resolved in situ X-ray absorption and X-ray photoelectron spectroscopy techniques for atomic site-specific real-time studies of interfacial photoelectrochemistry are developed. First experiments monitor electronic dynamics of dye-sensitized nanocrystals and at hematite-electrolyte interfaces.
For the purpose of ultra-thin layer MLCC application, a commercial BaTiO3 dielectric powder with an average particle size of 80 nm was used to apply additives, such as Dy, Mg, Mn, Si, Ba and Ca, by a coating method and the microstructure and dielectric properties of BaTiO3 sintered materials were investigated, as a fu…
This thesis presents a comprehensive investigation of unsteady friction modeling. The research falls into two areas: assess the necessity of unsteady friction modeling and improve on existing models. The importance of unsteady friction in two pipe systems connected in series is determined. A new index (re) measuring t…
A poly(erythrosine) chemical modified electrode (P-Ery/GCE/CME) was fabricated by electrochemical immobilization of erythrosine on a glassy carbon electrode through cyclic voltammetry. The modified electrode had good electrocatalytic oxidization function to catechol and it significantly increased the catechol oxidatio…
A particle can be trapped inside such a mirror field (electric and magnetic field) and its velocity, acceleration and all other type of kinematic movement can be controlled.
Terahertz-wave generation in organic ferroelectrics α-(ET)2I3 is over 70 times more efficient than prototypical ZnTe. Ultrafast (< 0.1 ps) and sensitive (~ 40 %) photoresponse of the terahertz wave results from strongly-correlated electrons therein.
Quantum properties of a monolayer graphene are studied in terms of the Clifford algebras. The simplest of algebras suitable for this purpose appears to be Cl3,0 algebra, the basis vectors of which represent 3D rather than 2D Euclidean space. If electron spin is included, higher dimensional algebras should be used. It…
Materials systems that undergo magnetostructural phase transitions (simultaneous magnetic and structural phase changes) have the capability of providing exceptional functional effects (example: colossal magnetoresistance effect (CMR), giant magnetocaloric (GMCE) and giant volume magnetostriction effects) in response t…
Thermoelectric Conversion Materials" have recently attracted the attention of many researchers, and also have been investigated very actively.The Thermoelectrics Society of Japan was established on April 1st, 2004.Since the predecessor group of the society started in 1994, research activity on thermoelectrics in Japan…
Protein encapsulated gold nanocluster (P-AuNC) synthesis was first demonstrated in 2009.[1]Initially these P-AuNCs were used as cellular imaging agents as the protein shell surrounding the AuNC made them highly biocompatible.However, recent studies have begun to show that these stabilizing proteins may also retain nat…
We explore ultrafast structural transformation in the Ge2Te2/Sb2Te3 superlattice, using pump-pump-probe spectroscopy. The coherent phonon spectra exhibit complex structural dynamics upon photo-excitation, being described as the mixing of two different Ge bonding configurations.
This year Smithers Rapra Technology Ltd is running a short course entitled ‘Introduction to Rubber Technology’ at its premises in Shawbury, Shropshire, UK, on 11–12 March. It will be repeated on 23–24 September.
Osteoconductive biomaterials such as calcium phosphate bioceramics have been widely used as scaffolds for bone tissue engineering. However, this kind of materials usually lacks osteoinductivity and is not able to stimulate osteogenic differentiation of stem cells. In addition, angiogenesis plays an important role in t…
e d u ltra -s u p e rc ritic a l (A -U S C ) p o w e r plants operate at steam tem peratures o f 7 0 0 °C and above are the d e v e lo p m e n t tre n d o f clean coal p o w e r g e n eratio n te c h n o lo g y.Haynes® 282® has g ained great a tte n tio n as one o f candidate m a te ria ls fo r A -U S C p o w e r u n…
Significance and Use 5.1 This practice was developed for the purpose of summarizing the various generic radiometric techniques, equipment, and practices that are used for the measurement of radioactivity. Scope 1.1 These practices cover a review of the ac
Quantum dots have attracted a lot of interest in the past decade due to their physical and chemical properties. Quantum dots offer exciting possibilities for third generation photovoltaic devices. Light emitting quantum dots are stronger emitters than conventional organic dyes and are more resistant to degradation. Th…
導電性バナジン酸塩ガラスの電気物性と局所構造の相関に関する最近の研究成果を紹介した。バナジン酸塩ガラスはVIV(あるいはVIII)―O―VV間の電子ホッピングにより10－7～10－5 S cm－1の導電率を有することで知られている。20BaO・70V2O5・10Fe2O3ガラスについて，DTA測定により判明した結晶化ピーク温度(Tc)近傍の500℃の熱処理で導電率が10－5から100 S cm－1へ上昇した。メスバウアースペクトルから，このときFeO4四面体の歪みを反映する四極分裂(Δ)の値は0.70から0.54mm s－1に減少することが判明した。バナジン酸塩ガラスは熱処理で構造緩和が起こり局所的な歪みが減少し，その結果電子ホッ…
The study of nanoimprint lithography (NIL) has attracted much attention for many industrial fields because it is a promising method to fabricate various nanostructures with a low cost and a high throughput. In the process of NIL, the mold is usually coated with an antisticking layer to avoid resist adhesion. As an ant…
Από το υλικό των σαράντα οκτώ 48 ταριχευμένων πτωμάτων, ανδρών και γυναικών που χρησιμοποιήθηκαν για την εκπαίδευση και άσκηση των φοιτητών της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών από το έτος 2011 έως το έτος 2014 μελετήθηκαν κατ’ αρχήν τα νεύρα, τα συμμετέχοντα στο σχηματισμό του βραχιονίου πλέγματος, καθώς και…
Twenty-First International Conference on Nuclear Engineering (ICONE21) was held in