Materials Literature
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Metasurfaces with unparalleled controllability of light have shown great potential to revolutionize conventional optics. However, they mainly require external light excitation, which makes it difficult to fully integrate them on-chip. On the other hand, integrated photonics enables packing optical components densely o…
Three electrochemical double layer capacitor (EDLC) cells (Cell X, Y and Z) made from an electrode of 90 wt. % of the multiwalled commercial carbon nanotubes, 10 wt. % of poly (vinylidene fluoride-co-hexafluoropropylene) and three different samples of electrolytes polymer electrolyte made up of a compositions of 50:50…
This article reports on the role of potassium (K) as dopant in Cu2ZnSn (S,Se)4, CZTSSe thin film in context of optical properties. Thin film precursor solution is prepared in dimethyl sulfoxide (DMSO) solvent, and doped by K with six different concentrations. The prepared solution are deposited on heated soda lime gla…
Perovskite manganites have always been the research interest attributed to its intriguing colossal magnetoresistive (CMR) properties. Incorporation of an insulating secondary phase into the manganite composites has proven as an effective measure to enhance the low field magnetoresistance (LFMR). This paper reports the…
Ultra-high voltage electron microscopy is useful for research utilizing high-penetration thickness of electron beam, in situ observation, or irradiation effects by the particle characteristics of electrons. In this review, the importance of non-equilibrium materials science research by a combination with irradiation e…
Reaction of the tungsto‐antimonate [Sb8W36O132]24– polyoxometalate with late trivalent lanthanide cations (from Gd to Lu) gives rise to the formation of eight isostructural molecular compounds [{Sb3(µ3‐O)2Ln(H2O)Ln(H2O)2(SbW10O37)(SbW8O31)}2]22– (Ln = GdIII (1), TbIII (2), DyIII (3), HoIII (4), ErIII (5), TmIII (6), Y…
Abstract. Solid oxide fuel cell (SOFC) is an electrochemical conversion device that undergoes a thermal cycling at various operating temperature where lead to the degradation of its mechanical properties. Electrolyte among the main component in SOFC plays a crucial part in defined the overall performance which facing…
Objective: Indonesian metal casting industry is a labor-oriented industry which involves thermal application in the workplace. Thus, it is essential to protect the workers for any risks during their activity. Leather gloves, as personal protective equipment, need to be manufactured that can prevent the workers from bu…
The molecular recognition capability of naturally occurring biomolecules is generally expressed against biomolecules in the biological milieu. Recently, it was demonstrated that the specific interactions of biomolecules such as short peptides were applicable to artificial materials. We have developed peptides with spe…
Abstract We investigate the applicability of the Gibbs free energy landscape to the definition and understanding of transient negative capacitance in a ferroelectric capacitor. We find that the Gibbs free energy cannot define the transient negative capacitance. In order to define the negative capacitance, we suggest r…
Abstract In this letter, we propose, fabricate, and characterize both an enhancement mode (E-mode) and a depletion mode (D-mode) MOSFET on a standard LED epitaxial wafer based on silicon substrate for the first time. The devices are fabricated on the n-GaN layer or undoped-GaN layer of the LED epitaxial wafer by semic…
The purpose of this research was synthesis and electron beam modification of novel ester elastomers consisting of sugar alcohol–succinic acid block and butylene glycol–succinic acid block. Four different alditols were used in the synthesis—sorbitol, erythritol, xylitol, and glycerol. The materials were irradiated with…
This chapter discusses the molecular origins of toughness in polymeric systems. The mechanical properties of materials are of great importance in engineering applications. When a mechanical force is applied to a specimen, the deformation of the specimen is described in terms of its stress—strain behavior. The descript…
Crystallographic structural analysis is an essential method for the determination of protein structure. However, crystallization of a protein of interest is the most difficult process in the analysis. The process is often hampered during the sample preparation, including expression and purification. Even after a sampl…
The major part of solid-state transformations modeling has concentrated on transformations taking place from a homogeneous matrix. Nonetheless, there are situations in which one finds an inhomogeneous matrix. An example is the recrystallization of metals subjected to an inhomogeneous deformation. If the recrystallizat…
A Cu(I) coordination polymer, {[Cu4Br(ttpe)3]Br2·(OH)}n (1), was prepared and characterized by single crystal X-ray diffraction analysis, EA, IR, PXRD, luminescence, optical band gaps and VB XPS spectra (ttpe = 1,1,2,2-tetrakis[4-(1H-1,2,4-triazol-1-yl)phenyl]ethylene). 1 presents a two-fold interpenetrating (4,12)-co…
Two new homo-dinuclear zinc(II) complexes, bis(µ-pyrazolato-) bis[(formato)(pyrazole)zinc(II)], [{Zn(OCHO)(pzH)}2(µ-N2H3C3)2] (1) and bis(µ-3,5-dimethylpyrazolato)bis[(formato)(-3,5-dimethylpyrazole) zinc(II)], [{Zn(dmpzH)(OCHO)}2(µ-N2H7C5)2] (2), were synthesized through the reactions of zinc(II) formate dihydrate, Z…
In Taipei, over 45% of the energy used in buildings is for air-conditioning systems. In particular, multiple chiller systems consume about 70% of the energy in an air-conditioning system. Consequently, optimal chiller loading (OCL) or energy saving of a building is a vital issue. In this paper, we report a newly devel…
Abstract Due to its huge surface-to-volume ratio, graphene has become one of the most popular materials for sensors. However, H 2 O molecules in atmospheric environments can cause the instability of graphene devices, which greatly limits the practical applications of graphene devices. The charge transfer between graph…
Polarized neutron diffraction is used to study in depth the magnetic properties of the heterometallic compound [NH2(CH3)2][FeIIIFeII(HCOO)6] and give insight into its magnetic behaviour, addressing open questions that will contribute to a better understanding of this attention-grabbing material and other related ones.…