Materials Literature
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The author studied in \cite{shi} the covering map property of the local homeomorphism associating to the space of stability conditions over the $n$-Kronecker quiver. In this paper, we discuss the covering map property for stability conditions over the Dynkin quiver of type $A_3$. The local homeomorphism from a connect…
Efficient, on-chip optical nonlinear processes are of great interest for the development of compact, robust, low-power consuming systems for applications in spectroscopy, metrology, sensing and classical and quantum optical information processing. Diamond holds promise for these applications, owing to its exceptional…
Inelastic neutron scattering for temperatures below 30 K from a powder of LiZn2Mo3O8 demonstrates this triangular-lattice antiferromagnet hosts collective magnetic excitations from spin 1/2 Mo3O13 molecules. Apparently gapless (Δ< 0.2 meV) and extending at least up to 2.5 meV, the low energy magnetic scattering cross…
The effective electrical permittivity of a graphene monolayer is experimentally investigated in the 5-40 GHz range, which encompasses the microwave and the lower part of millimeterwave spectrum. The measurements were carried out using a coupled coplanar waveguide placed over a graphene monolayer flake, which is deposi…
The relatively new field known as fracture mechanics, based upon the work of Griffith and Irwin, is used to treat fracture problems involving cracks in a quantitative manner. This chapter presents the fundamentals of this field and discusses a number of conditions that must be met in order to make valid use of fractur…
From studies of exotic quantum many-body phenomena to applications in spintronics and quantum information processing, topological materials are poised to revolutionize the condensed matter frontier and the landscape of modern materials science. Accordingly, there is a broad effort to realize topologically non-trivial…
In this work, we present results about the preparation and characterization of stannous oxide (SnO) thin films. SnO thin films were obtained via thermal evaporation method from SnO2 powder as source material. These thin films were successfully deposited onto well cleaned glass substrates by thermal evaporation techniq…
The article totally discusses the influence of polytetrafluoroethylene (PTFE) to the property of room temperature vulcanization silicone rubber (RTV) pollution flashover coating, inclduding hydrophobic, corrosion resistance and heat resistance. It is turned out that the PTFE can effectively improve the corrosion resis…
Corn starch was irradiated by 60Coγ ray, and then the thermoplastic starch plastic (TPS) was prepared by adding glycerol. Microstructure, thermal and mechanical properties of the corn starch and starch plastic were studied in details by FTIR, DSC and SEM. Results showed that the starch macromolecular structure was dam…
Nanocrystalline TiO2 has been synthesized through non-aqueous sol-gel using acetic acid (HOAc) and hydrochloric acid (HCl) as a catalyst. Titanium isopropoxide (TTIP) as precursor was prepared by reaction between TiCl4 with isopropyl alcohol (IPA) in concentration of 0.3 M. The sol-gel process employed at around 60°C…
The corrosion rates in the presence of thoron as a steel corrosion inhibitor in 1M HCl and 1M H2SO4, were measured by the weight loss method, potentiodynamic polarization measurements and quantum chemical calculations. The weight loss method was studied in different times (1-4 hr) and in the range of temperatures from…
Volume is indexed by Thomson Reuters CPCI-S (WoS).The aims and contents of the ICAPMA 2013 special volume are to facilitate an exchange of information on best practices for Applied Physics and Material Applications, etc. It will provide a chance for physicists and scientists in academia, industry, and government to ad…
TiO2/Co2+ composite nanofibers were prepared by using the electrospun fibers of PVP/ Ti (OiPr)4/Co (NO3)2 composite as precursor, and through calcination treatment. The chemical components, structures and morphology were characterized by TGA, FT-IR, XRD, SEM, respectively. The photocatalytic activities of the catalyst…
Strontium titanate, SrTiO3 is one of the perovskite – type crystal that commonly used as a substrate for epitaxial growth of multifunctional oxide films and well-defined TiO2-terminated surface is crucial for the fabrication of oxide hetero-interfaces. Structural properties have a strong effect on thin films character…
Photodynamic therapy (PDT) is based on the concept that certain photosensitizers can be localized preferably in neoplastic tissue, and subsequently, these photosensitizers can be activated with the appropriate wavelength of light to generate active molecular species, such as free radicals and singlet oxygen (1O2), whi…
In order to understand the characteristics of ohmic hole-contacts for the inverted/conventional organic light emitting devices, a hole-only device with all ohmic contacts, which is composed of glass/ITO/MoOx/4,4,4-tris[2-naphthyl-phenyl-amino]triphenylamine (2-TNATA)/MoOx/Al, the elements of the electronic structures…
This paper reports the results of a numerical study on carrier injection and exciton transport in an organic light emitting diode (OLED) structure based on tris (8-hydroxyquinolinato) aluminum (Alq3). Because charge accumulation at the interfaces between the emission layer (EML) and transport layer are believed to inc…
X-ray powder diffraction data, unit-cell parameters, and space group for potassium erbium fluoride, K 0.5 Er 0.5 F 2 , are reported [ a = 5.6862(5) Å, unit-cell volume V = 183.85 Å 3 , Z = 4, and space group Fm-3m]. Potassium erbium fluoride is isostructural with a large family of fluorides represented by the mineral…
Red emitting nanofibers, KGdTa2O7:Eu3+ were synthesized by electrospinning technique followed by heat treatment. As-prepared uniform fiber precursor with diameter ranging from about 700 nm to about 900 nm were calcined after removing organic species by calcination. The fiber surface become rough and diameter decreased…
In this research, Co-doped SnO2 thin films were prepared by chemical spray pyrolysis technique using SnCl4.5H2O and CoCl2.6H2O, with impurity percentage are (0%-3%-6%-9%) on glass substrates preheated at (450oC) with spray rate 5sec./1min, and thickness (400nm). The investigation of (XRD) indicates that the (SnO2) fil…