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1.828 Aktuelle Fachpublikationen zum Thema temperature

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Controlling polymorphic structures and investigating electric properties of Ca-doped zirconia using solid state ceramic method

17.05.2015 | Author(s): W.I. Emam , Ahmed F. Mabied , H.M. Hashem , M.M. Selim , A.M. El-Shabiny , I.S. Ahmed Farag, Journal of Solid State Chemistry, 2015

Publication date: August 2015 Source:Journal of Solid State Chemistry, Volume 228 Author(s): W.I. Emam , Ahmed F. Mabied , H.M. Hashem , M.M. Selim , A.M. El-Shabiny , I.S. Ahmed Farag Structural study of Zr1−x Ca x O2−x samples with x=0.01–0.15 were prepared using solid state ...

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Long‐throw magnetron sputtering of amorphous Zn–Sn–O thin films at room temperature

15.05.2015 | Heiko Frenzel, Tobias Dörfler, Peter Schlupp, Holger von Wenckstern, Marius Grundmann, physica status solidi (a), 2015

We report on the fabrication of amorphous zinc tin oxide (ZTO) thin films by long‐throw magnetron sputtering on glass substrate. This method is especially appropriate for the growth of amorphous oxides at room temperature. ZTO films were deposited from single ceramic target and via ...

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Quantifying the Relationship between Rice Starch Gelatinization and Moisture‐Electrical Conductivity of Paddy during Soaking

14.05.2015 | Ebrahim Taghinezhad, Mohammad Hadi Khoshtaghaza, Toru Suzuki, Saeid Minaei, Tom Brenner, Journal of Food Process Engineering, 2015

Abstract This study formulates a mathematical relationship correlating the degree of starch gelatinization (DSG) of rice to the paddy moisture‐electrical conductivity (EC) of paddy water during the soaking portion of the parboiling process. DSG values of rice were measured using differential ...

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Effect of electrical properties on gas sensitivity of polypyrrole/cds nanocomposites

14.05.2015 | Bharati Yeole, Tanushree Sen, D. P. Hansora, Satyendra Mishra, Journal of Applied Polymer Science, 2015

ABSTRACT In the present work, polypyrrole (PPy) nanocomposites were synthesized using ferric chloride (FeCl3) as an oxidant by in situ polymerization at room temperature. Cadmium sulfide (CdS) nanoparticles were synthesized by ultrasonication technique with size ranging between 60 and 110 nm. ...

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Crystallization behavior and mechanical properties of an electrospun ethanol‐mediated poly(ethylene terephthalate) fibrous membrane

14.05.2015 | Li‐Na Wang, Yan‐Wei Wang, Wen‐Tao Liu, Xue‐Lian Xia, Su‐Qin He, Hao Liu, Cheng‐Shen Zhu, Journal of Applied Polymer Science, 2015

ABSTRACT A simple approach for preparing electrospun poly(ethylene terephthalate) (PET) fibrous membranes with excellent spinnability and mechanical properties is introduced in this article. To enhance the electrospinnability of PET, a small content of ethanol was incorporated into a 16 wt % ...

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Nanocomposite Foams of Polypropylene and Carbon Nanotubes: Preparation, Characterization, and Evaluation of their Performance as EMI Absorbers

14.05.2015 | Minh‐Phuong Tran, Jean‐Michel Thomassin, Michaël Alexandre, Christine Jerome, Isabelle Huynen, Christophe Detrembleur, Macromolecular Chemistry and Physics, 2015

Highly expanded nanocomposite foams of polypropylene and carbon nanotubes (PP/CNT) are formed using supercritical carbon dioxide (scCO2) technology. The foaming parameters (temperature, pressure) are investigated to establish their influence on the morphology of the resulting foams and their ...

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Analysis of the dielectric relaxation and ac conductivity behavior of polyvinyl alcohol‐cadmium selenide nanocomposite films

13.05.2015 | Subhojyoti Sinha, Sanat Kumar Chatterjee, Jiten Ghosh, Ajit Kumar Meikap, Polymer Composites, 2015

We adopt an analytical approach to study the dielectric relaxation and ac conductivity behavior of the polyvinyl alcohol (PVA) ‐ Cadmium Selenide (CdSe) nanocomposite films in the frequency range 100 Hz ≤ f ≤ 1 MHz and in the temperature range 298 K ≤ T ≤ 420 K. The CdSe nanoparticles are ...

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2H-CuScO2 Prepared by Low-Temperature Hydrothermal Methods and Post-Annealing Effects on Optical and Photoelectrochemical Properties

13.05.2015 | Thomas I. Draskovic; Mingzhe Yu; Yiying Wu, Inorganic Chemistry, 2015

The delafossite structured CuScO2 is a p-type, wide band gap oxide that has been shown to support significant oxygen intercalation, leading to darkened color and increased conductivity. Control of this oxidation proves difficult by the conventional high-temperature solid-state syntheses. In ...

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Insulator-to-Proton-Conductor Transition in a Dense Metal–Organic Framework

13.05.2015 | Satoshi Tominaka; François-Xavier Coudert; Thang D. Dao; Tadaaki Nagao; Anthony K. Cheetham, Journal of the American Chemical Society, 2015

Metal–organic frameworks (MOFs) are prone to exhibit phase transitions under stimuli such as changes in pressure, temperature, or gas sorption because of their flexible and responsive structures. Here we report that a dense MOF, ((CH3)2NH2)2[Li2Zr(C2O4)4], exhibits an abrupt increase in proton ...

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Structural Dependence of Protic Ionic Liquids on Surface, Optical, and Transport Properties

13.05.2015 | Pratap K. Chhotaray; Ramesh L. Gardas, Journal of Chemical & Engineering Data, 2015

We report a systematic study to understand the structural dependence of protic ionic liquids, having ammonium or hydroxylammonium as cation and carboxylate as anion, on surface, optical, and transport properties. Experimental measurements of surface tension, refractive index, and electrical ...

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