Materials Literature
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A homogeneously aligned liquid crystal layer on a substrate film on which it is not necessary to form an alignment film can be fabricated by using a slit coater. The electro-optical performance of TN-LCDs was demonstrated. The surface azimuthal anchoring energy and the mechanism on the surface alignment are discussed.
福島第一原子力発電所の事故により環境中に放出されたセシウム等の除去，回収，および固定化に向けた材料が必要とされている。著者らの研究グループでは，トバモライトが主成分である軽量気泡コンクリートを基材としたセシウム吸着・固定化材料を開発してきた。トバモライトを水酸化ナトリウムで処理することで，高いセシウム除去性能が発現する。ここでは，この試料の粉末とバルク体でのセシウム・ストロンチウム除去性能，およびそれらを用いた海水中からのセシウム・ストロンチウムの除去性能について解説する。
Dye-sensitized solar cells (DSSCs) differ from traditional p-n junction photovoltaics in that the light absorption and charge transport steps occur separately. [1] This unique property makes the DSSC a cost-effective alternative since there is no requirement for high grade semiconductor material as in a silicon cell,…
We report the first experimental evidence for second harmonic generation at hard x-ray wavelengths. A second harmonic beam is produced in a diamond crystal using a 1.77 Å pump from the SACLA free-electron laser.
従量制有料指定袋を導入している福岡市南区A町の戸別収集地点の利用世帯を対象に，夏季における搬出ごみ袋の容量・搬出数の調査とばねばかりによる重量の実測調査をもとに，ごみ袋密度と世帯あたりごみ搬出量の解析を行い，春季の調査結果との比較により，ごみ搬出行動の季節による違いを明らかにした．その結果，1.2(kg/世帯・日)程度のごみ搬出量の世帯に限り，夏季において生ごみ等の腐敗による悪臭の発生を恐れ，30L入りごみ袋などのより容量の小さいごみ袋を使用し，搬出日によっては2袋以上搬出する世帯が確認された．ごみ袋密度の解析結果から，30L入りごみ袋では容量を十分に使い切れずに少なめの詰め込み具合で搬出されたものが多く，一部の住民に対し不公平感…
We report a series of fluorescence molecular switches including spiropyrans (SPs), dithienylethenes (DTEs) and hexaarylbiimidazoles (HABIs) and investigate their optical properties such as photochromism and photoswitchable aggregation-induced emission (condensed-state).
Представлены результаты исследования влияния поливинилпирролидона (ПВП) различной молекулярной массы и его количества на структурно-фазовые, морфологические и спектрально-люминесцентные свойства порошков YAG : Ce, получаемых с использованием коллоидно-химического подхода к синтезу: соосаждением из растворов соответств…
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Mask inspection and validation are key elements of the EUV lithography infrastructure. Requirements for the light sources to enable these tools will be introduced, and one source described in detail. As the field develops, enhanced sources will be required; two will be described. Article not available.
．著者らは，気相中に発生させた強い光の場を，化学 気相析出の反応場として利用し，結晶配向成長が顕著になる ことを見出した．さらに，従来の熱プロセスでは合成が難し いとされる複酸化物化合物や特異なナノ構造組織の生成を報 告している．
The nano-whisker of ITO deposited with oblique evaporation method has been investigated in nitride-based nano-pillars. This hybrid structure of ITO nano-whiskers above ZnO medium enhances the broadband and angle-independent anti-reflection in the range between 380 nm and 800 nm.
The adsorption measurement methods for porous inorganic membranes such as zeolite membranes were reviewed. The adsorption measurement methods were classified in 5 types (gravimetric methods, volumetric methods, concentration measurement methods, membrane permeation methods and simulation methods). Adsorption on zeolit…
本文采用密度泛函理论和非平衡格林函数方法研究了扶手椅型不同片层(单壁、双壁和三壁)碳纳米管的能带结构和电子输运性质，计算结果表明单壁碳纳米管的微分电导在[−1.0 V，1.0 V]偏压区间内是一定值，不随偏压的变化而变化。双壁碳纳米管CNT(3,3)@CNT(6,6)的带隙为0.55 eV，在偏压区间[−0.5 V，0.5 V]的微分电导为零，出现与二极管类似的截止状态，当偏压大于0.5 V时，微分电导也随之增大。三壁碳纳米管由于层间耦合作用以及体系增大所带来费米能级附近的电子态增多，三壁管的微分电导要比相同偏压下单壁和双壁管的微分电导大；同时由于相邻管间的快速振动，三壁碳纳米管的微分电导出现较大的震荡。单壁、双壁和三壁碳纳米管的…
NRL technology has produced transparent MgAl2O4 ceramics with hardness ~20 GPa and grain sizes less than 30nm; 50 % improvement in hardness and an order of magnitude reduction in grain size than present literature best.
For magnesium alloy ZK60 with different heat treatments, controlled plastic strain amplitude fatigue tests were conducted. Effects of twinning and aging treatments on fatigue process were investigated by analyzing the second derivative of hysteresis half-loop. It is found that during compression the convex peak appear…
Over the last decade, plasmonic metamaterials have been investigated as new artificial nanostructures to exhibit a variety of electromagnetic responses and light-matter interaction, which have not been found in any synthetic material produced in nature. To achieve novel optical properties not attainable so far, realiz…
Different contents of molybdenum-doped ZnO were prepared by hydrothermal method,using Zn(NO 3) 2 ·6H 2 O and NaOH as precursors,CTAB,SDS,PVP-K30,PEG400,EDTA as additive.SEM images show that various morphologies of molybdenum doped ZnO can be obtained by changing the types of additives.XRD results indicate that the dop…
Ceramic microspheres containing yttrium and/or phosphorus are useful for intra-arterial radiotherapy. Indeed, radioactive yttrium oxide (Y2O3) microspheres with high chemical durability can remarkably suppress growth of VX2 tumor. Hollow Y2O3 microspheres and yttrium phosphate (YPO4) microspheres have been also develo…
采用浆料浸渗法将ZrB2颗粒引入碳/酚醛复合材料,利用氧-乙炔烧蚀试验测试不同ZrB2含量的碳/酚醛复合材料的烧蚀及隔热性能。实验表明,碳/酚醛树脂基复合材料的线烧蚀率随ZrB2含量的增加而减小,在9%时达到最小值0.0052 mm/s。若继续增加ZrB2的含量,其线烧蚀率反而增加。ZrB2含量为9%时,碳/酚醛树脂基复合材料的隔热性能最优。将ZrB2引入碳/酚醛树脂基复合材料可以改善其烧蚀隔热性能,为碳/酚醛树脂基复合材料的结构及材料组分优化设计提供了重要参考。
In this study, selective catalytic oxidation (SCO) of NH3 using Ce/TiO2 catalyst was examined to control the slipped NH3 from various pollutants. It was found that the catalytic activity increased with increasing the Ce loadings till reaching 10 wt% Ce loading. However, when Ce loaded over 10 wt%, the activity of cata…