Materials Literature
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Aberration corrected electron microscopy has revealed various aspects of materials and their functions, i.e., interfacial, ionic, chemical, photonic, plasmonic, magnetic and electronic aspects. A 50 pm resolution microscopy, particularly, enabled us to observe lithium ions in LiMn2O4, a material used as lithium ion ba…
Silica has been widely used as HPLC column packing material. However, the fact that base can attack the silanol and dissolve the silica embarrasses the utilization of silica stationary phase in high pH mobile phases (pH >8). In our previous research, the use of porous spherical silicon oxynitride (sph-SiON) material f…
環状イミノ化合物をイミド基形成の窒素原子源として利用することにより重付加でポリイミド類を得る新規な合成法を開発した．テトラカルボン酸二無水物とビス(2-イミダゾリン)との反応ではポリアミドイミド(PAI)ができ，ビス(2-オキサゾリン)との反応ではポリエステルイミド(PEI)が生成する．低分子のモデル反応を用いたメカニズムの解析の結果，重合反応の経路には二種類あることがわかった．2,2′-(1,3-フェニレン)ビス(1-メチル-2-イミダゾリン) (1Me13PBI)や2,2′-(1,3-フェニレン)ビス(2-オキサゾリン) (13PBO)のように1位に活性水素をもたない環状イミノ化合物の場合は反応の中間体としてベンゾ[1,3]オ…
As a part of the nuclear fuel cycle in Japan, the mixed oxide (MOX) fuels are produced through the microwave heating of the Pu/U mixed nitrate solution obtained from spent fuels. In this work, we investigate the effect of a spacer between the bottom of cavity and solution dish in microwave oven cavity to heat uniforml…
An explicit Bargmann symmetry constraint is computed and its associated binary nonlinearization of Lax pairs is carried out for the super Guo hierarchy.Under the obtained symmetry constraint, the n-th flow of the super Guo hierarchy is decomposed into two super finite -dimensional integrable Hamiltonian systems, which…
Directed self-assembly (DSA) lithography are recently getting in the spotlight as one of the most promising new generation lithography (NGL) candidates, which have a potential to fabricate semiconductor device patterns down to sub-30nm. In this report, latest experimental and simulation results of contact hole shrink…
TiO2/C tube in tube nanocomposite was fabricated by anodic oxidization, hydrothermal reaction and successive annealing. This top open nanotube arrays with a conductive carbon layer and order pore structure offer a large effective surface area and a facility channel for electrolyte, which ensures the high capacitance a…
Polypropylene (PP, Homo polymer type, Block copolymer type) and calcium carbonate (CaCO3) were mixed on a two-roll mill and thin films were prepared by compressing the mixed compound in a hot press.Mean while, in order to improve the affinity at interface between PP and CaCO3, various phosphate esters, such as mono al…
Metal nanostructures possess strong absorptions in the visible spectrum as surface plasmon (SP) resonances are arisen. It has been shown that the absorbed plasmonic energy transfers to an adjacent semiconductor either through resonant energy transfer or directly through hot-electron injection. Therefore, the photoacti…
通过Cu（I）催化的点击化学合成一种放射性碘标记化合物，建立一套新的放射性碘标记的方法，该方法温和、快速、高效。结果显示在有机相反应中，通过点击化学反应5-碘（-125/131I）-1,2,3-三唑化合物在24 h内合成，放射化学产率达到13%。但是在水相中，点击化学标记生物分子RGD的放射化学产率为0。原因是在水相中，Cu（I）催化作用使得氢离子和碘离子发生了交换反应，没有足够的放射性碘配体与RGD发生偶联。本文还提出了在反应溶剂为有机相和水相的条件下Cu（I）催化该环加成反应的不同反应机制。
Представлены результаты исследований структурных особенностей соединений СuСrS2, АgСrS2 и фазовых соотношений в их сплавах CuxAg1 - xCrS2 в интервале составов от х = 0 до х = 1 и температур от 293 до 773 K. Показано, что в разупорядоченных фазах существует неограниченная растворимость СuСrS2 в АgСrS2. Для всех составо…
Rheological properties like linear viscoelasiticity, temperature dependence, shear rate dependence of viscosity and extensional viscosity are closely related to processability of polymer processing. In this article, relationship between rheological properties of polymer melt and their flow behavior in polymer processi…
Herein, a further investigation about the effect of imidazolium cations on electron transport and recombination behavior in dye-sensitized solar cells (DSCs) is developed in this paper. MPII is synthesized and used as iodide sources and TBAI is applied as a reference. The adsorption amount of MPI+ and TBA+ onto TiO2,…
Рентгеноструктурное исследование кристаллических продуктов взаимодействия тетраиодомеркурата(II) калия, -капролактама и нитрата лантана(III) в соотношении 3 : 16 : 2 в водном растворе показало наличие трех видов кристаллов новых соединений состава [LaCpl8]2[HgI4]3 (I), [LaCpl8][HgI4]I3 (II) и [LaCpl7(H2O)]2[HgI4]2[Hg2…
Most research in the field of organic electronics has focused on π-conjugated molecules with a closed-shell configuration, which accommodate their π-electrons in only bonding orbitals and are consequently quite stable. In general, closed-shell molecules have wide energy gaps, and they have significantly weaker intermo…
近年，省資源化とコスト削減の要求はますます重要となっている。本報告では，板紙のコスト低減の取り組みについて，主にウェットエンド薬品の観点から，特に，（1）汚れ・断紙の防止，（2）サイズ剤の定着，（3）硫酸バンド（Alum）の低減対策，（4）紙力剤・濾水・歩留剤の効率的使用について報告する。汚れや断紙の原因の主なものに古紙等由来のピッチがある。カチオン性有機凝結剤のFR―801，FR―701H，MT―910等は，カチオン密度だけでなく，分子量や構造に特徴を持たせることでより優れたピッチコントロール効果を発揮し，汚れ，断紙の防止に効果がある。また，これらの凝結剤はサイズ剤の定着にも優れた効果を持ち，サイズ剤の添加量削減が見込まれる。さ…
In this paper, we show theoretically that the reflectance spectra of one dimensional multilayer metalorganic periodic structure (1D MOPS) can be enhanced due to the addition of the organic constituents. We have used simple transfer matrix method to calculate the absorption, transmittance and reflectance of the 1D MOPS…
A. Einstein first applied Riemannian geometry to develop the general theory of relativity almost one hundred years ago and succeeded in understanding astronomical-scale phenomena such as the straining of time-space by a gravitational field. It is of great interest to reveal whether or not Riemannian geometry affects t…
By mixing with polymer and inorganic substances in a molecular level, organic-inorganic hybrids which have both functions derived from each component can be obtained. We can also tune the properties of the materials by changing the contents or types of organic components. In this review, we survey the series of studie…
The reduction of Europium (Eu + ) in aqueous solution and doping Eu + obtained into the host lattice Ca(SCN) 2 2H 2 O solution using a Modified Jones reductor is described here . The major goal is to dope Eu 2+ into compounds that are difficult to dope through the melt method. Ca(SCN) 2 2H 2 O was obtained by the reac…