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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 ...


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 ...


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 ...


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 ...


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 ...


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 ...


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 ...


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 ...


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 ...


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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