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1.796 Aktuelle Fachpublikationen zum Thema temperature

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Influence of selenization temperature on synthesis, morphology, and properties of nanostructured CoSe2 films

03.01.2015 | Jen‐Bin Shi, Po‐Feng Wu, Chia‐Tze Kao, Ming‐Way Lee, Chih‐Chieh Chan, Ping‐Chang Yang, Cheng‐Li Lin, Rui‐Yo Huang, Y ..., Crystal Research and Technology, 2015

Nanostructured cobalt selenide (CoSe2) thin films were deposited on a glass substrate using the selenization of Co films at different selenization temperatures (300 °C, 400 °C, and 500 °C) in a pure Se vapor for two hours. The morphology and structure of the as‐deposited films shows that the ...

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X‐ray Absorption Spectroscopy Studies of the Room‐Temperature Ferromagnetic Fe‐Doped 6H–BaTiO3

31.12.2014 | Iuliia Mikulska, Matjaz Valant, Iztok Arčon, Darja Lisjak, Journal of the American Ceramic Society, 2014

We investigated the effect of annealing temperature on magnetic properties of 2% and 10% Fe‐doped BaTiO3. To understand the possible structural differences between samples treated at different annealing temperatures, and to correlate them with the magnetic properties, several characterization ...

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Strong Electron Hybridization and Fermi-to-Non-Fermi Liquid Transition in LaCu3Ir4O12

30.12.2014 | Man-Rong Li; Maria Retuerto; Zheng Deng; Tapati Sarkar; Javier Sánchez-Benítez; Mark C. Croft; Tanusri Saha Dasgupta ..., Chemistry of Materials, 2014

The AA′3B4O12-type quadruple perovskite LaCu3Ir4O12 prepared at high pressure (9 GPa) and temperature (1523 K) crystallizes in cubic symmetry (Im3̅, a = 7.52418(3) Å) with square planar CuO4 and octahedral IrO6 coordination as established from synchrotron powder X-ray diffraction studies. Both ...

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Structural Studies of 1,1-Dimethyl-2-oxy-1-silacyclohexane by Means of Matrix Isolation Infrared Absorption Spectroscopy

30.12.2014 | Justinas Ceponkus; Mindaugas Jonusas; Colin P. Cotter; Milda Pucetaite; Valdemaras Aleksa; Gamil A. Guirgis; Valdas ..., Journal of Physical Chemistry A, 2014

Infrared spectra of gaseous, liquid, and matrix-isolated samples of newly synthesized 1,1-dimethyl-2-oxy-1-silacyclohexane were recorded. Raman spectra of 1,1-dimethyl-2-oxy-1-silacyclohexane in liquid and solid states were obtained in the temperature range from 170 to 340 K. Ab initio HF and DFT ...

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Evolution of Silver Nanoparticles in the Rat Lung Investigated by X-ray Absorption Spectroscopy

30.12.2014 | R. Andrew Davidson; Donald S. Anderson; Laura S. Van Winkle; Kent E. Pinkerton; T. Guo, Journal of Physical Chemistry A, 2014

Following a 6-h inhalation exposure to aerosolized 20 and 110 nm diameter silver nanoparticles, lung tissues from rats were investigated with X-ray absorption spectroscopy, which can identify the chemical state of silver species. Lung tissues were processed immediately after sacrifice of the ...

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The physical and adsorption properties of different modified corn starches

22.12.2014 | Li Guo, Rui Liu, Xueling Li, Yin Sun, Xianfeng Du, Starch - Stärke, 2014

Abstract In order to improve the physical and adsorption properties of native corn starch, porous starch was prepared. Furthermore, dual‐modification of starches ‐ enzyme hydrolyzed starch followed by cross‐linking as well as enzyme hydrolysis upon cross‐linking was explored. The results ...

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Crystalline Mixed Phase (Anatase/Rutile) Mesoporous Titanium Dioxides for Visible Light Photocatalytic Activity

22.12.2014 | Zhu Luo; Altug S. Poyraz; Chung-Hao Kuo; Ran Miao; Yongtao Meng; Sheng-Yu Chen; Ting Jiang; Chelsea Wenos; Steven L. ..., Chemistry of Materials, 2014

The high photocatalytic activity of mixed phase (80% anatase and 20% rutile) titanium dioxide (Degussa P25) has attracted a great deal of interest in recent years. However, its low efficiency in visible light and nonporous nature limits the potential use and capabilities. Here, we report a novel ...

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Dual-responsive polymer–drug nanoparticles for drug delivery

21.12.2014 | Author(s): Mong Liang , Tsung-Min Yang , Hui-Ping Chang , Yu-Min Wang, Reactive and Functional Polymers, 2014

Publication date: January 2015 Source:Reactive and Functional Polymers, Volume 86 Author(s): Mong Liang , Tsung-Min Yang , Hui-Ping Chang , Yu-Min Wang A well-defined, dual temperature- and pH-responsive drug carrier was synthesized through the radical copolymerization of methacrylic ...

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Electrochemical studies and spectroscopic investigations on the interaction of an anticancer drug flutamide with DNA and its analytical applications

21.12.2014 | Author(s): Yassien Temerk , Hossieny Ibrahim, Journal of Electroanalytical Chemistry, 2014

Publication date: 1 January 2015 Source:Journal of Electroanalytical Chemistry, Volume 736 Author(s): Yassien Temerk , Hossieny Ibrahim Flutamide (Flu) is a chemotherapeutic drug, used for the treatment of prostate cancer. It functions by interfering DNA in fast growing cells and ...

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Novel α-Fe2O3/polypyrrole nanocomposite with enhanced photocatalytic performance

21.12.2014 | Author(s): Farid A. Harraz , Adel A. Ismail , S.A. Al-Sayari , A. Al-Hajry, Journal of Photochemistry and Photobiology A: Chemistry, 2014

Publication date: 15 February 2015 Source:Journal of Photochemistry and Photobiology A: Chemistry, Volume 299 Author(s): Farid A. Harraz , Adel A. Ismail , S.A. Al-Sayari , A. Al-Hajry We developed a simple and mild one-step chemical method to produce novel and highly efficient ...

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