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4.067 Aktuelle Fachpublikationen zum Thema temperature

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Rare-earth manganese germanides RE2+xMnGe2+y (RE=La, Ce) built from four-membered rings and stellae quadrangulae of Mn-centred tetrahedra

26.08.2013 | Author(s): Anton O. Oliynyk , Arthur Mar, Journal of Solid State Chemistry, 2013

Publication date: October 2013 Source:Journal of Solid State Chemistry, Volume 206 Author(s): Anton O. Oliynyk , Arthur Mar Reactions of the elements through arc-melting and annealing at 800°C have led to the ternary rare-earth manganese germanides RE 2+x MnGe2+y (RE=La, Ce). The ...

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Polymorphs of 1,1-diamino-2,2-dinitroethene (FOX-7): Isothermal compression versus isobaric heating

26.08.2013 | Author(s): Z.A. Dreger , Y. Tao , Y.M. Gupta, Chemical Physics Letters, 2013

Publication date: Available online 23 August 2013 Source:Chemical Physics Letters Author(s): Z.A. Dreger , Y. Tao , Y.M. Gupta Raman spectroscopy was used to examine polymorphic changes in 1,1-diamino-2,2-dinitroethene (FOX-7) single crystals under: isothermal compression to 15 GPa and ...

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A series of bimetallic chain coordination polymers bearing [Ag(PPh3)2] chromophores: Synthesis, structure and luminescence

26.08.2013 | Author(s): Mohamed Ghazzali , Mohammed H. Jaafar , Sebastiaan Akerboom , Ali Alsalme , Khalid Al-Farhan , Jan ..., Inorganic Chemistry Communications, 2013

Publication date: October 2013 Source:Inorganic Chemistry Communications, Volume 36 Author(s): Mohamed Ghazzali , Mohammed H. Jaafar , Sebastiaan Akerboom , Ali Alsalme , Khalid Al-Farhan , Jan Reedijk A series of three cyanide-bridged chain coordination compounds with the formulae ...

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Synthesis, structure and luminescent property of a new Zn(II) coordination polymer with isolated tetrahedral {Zn4O} clusters as building subunits

26.08.2013 | Author(s): Chang-wei Lv , Jing Li , Zheng Hou , Ming-kai Li, Inorganic Chemistry Communications, 2013

Publication date: October 2013 Source:Inorganic Chemistry Communications, Volume 36 Author(s): Chang-wei Lv , Jing Li , Zheng Hou , Ming-kai Li A new luminescent Zn(II) coordination polymer, namely [Zn4(L)2(μ 4-O)(H2O)2(DMF)]n (1 H3L=biphenyl-3,4,5-tricarboxylic acid, DMF=N,N′-dimethyl ...

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Synthesis of highly graphitic mesoporous carbon using Ni-Fe double-layered hydroxide as both template and catalyst precursor

26.08.2013 | Author(s): Fu-long ZENG , Xiao-li YUAN , Wu-jun ZOU , Xiang-jin HUANG , Shan-shan MO , Ding-sheng YUAN, New Carbon Materials, 2013

Publication date: February 2013 Source:New Carbon Materials, Volume 28, Issue 2 Author(s): Fu-long ZENG , Xiao-li YUAN , Wu-jun ZOU , Xiang-jin HUANG , Shan-shan MO , Ding-sheng YUAN A graphitic mesoporous carbon was prepared using sucrose as carbon precursor and Ni-Fe (Ni/Fe=2) ...

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Ultra‐Low Temperature Sintering and Dielectric Properties of SiO2‐Filled Glass Composites

24.08.2013 | Kui Ju, Hongtao Yu, Lin Ye, Guangliang Xu, Journal of the American Ceramic Society, 2013

Ultra low temperature co‐fired ceramics system based on zinc borate 3ZnO–2B2O3 (3Z2B) glass matrix and SiO2 filler was investigated with regard to the phase composition, the microstructure and the dielectric properties as functions of the filler content and sintering temperature. The softening ...

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The effect of multisubstitution on the thermoelectric properties of chalcogenide‐based Cu2.1Zn0.9Sn1−xInxSe4 (0 ≤ x ≤ 0.1)

23.08.2013 | Raju Chetty, Matthias Falmbigl, Peter Rogl, Patrick Heinrich, Esmaeil Royanian, Ernst Bauer, Satyam Suwas, Ramesh Ch ..., physica status solidi (a), 2013

Quinary chalcogenide compounds Cu2.1Zn0.9Sn1−xInxSe4 (0 ≤ x ≤ 0.1) were prepared by melting (1170 K) followed by annealing (773 K) for 172 h. Powder X‐ray diffraction (XRD) data accompanied by electron probe microanalysis (EPMA) and Raman spectra of all the samples confirmed the formation of a ...

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Formation and Dynamic Behavior of Mono and Bimetallic Cadmium(II) Porphyrin Complexes: Allosteric Control of Coupled Intraligand Metal Migrations

23.08.2013 | Stéphane Le Gac, Luca Fusaro, Vincent Dorcet, Bernard Boitrel, Chemistry - A European Journal, 2013

Abstract The complexation behavior of a bis‐strapped porphyrin ligand (1) towards CdII has been investigated by 1H and 113Cd NMR spectroscopy with the help of X‐ray diffraction structures. The presence of an overhanging carboxylic acid group on each side of the macrocycle is responsible for ...

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Size Dependent Effects in Nucleation of Ru and Ru Oxide Thin Films by Atomic Layer Deposition Measured by Synchrotron Radiation X-ray Diffraction

23.08.2013 | Rungthiwa Methaapanon; Scott M. Geyer; Sean Brennan; Stacey F. Bent, Chemistry of Materials, 2013

The crystal structure and growth behavior of Ru and RuO2 on amorphous SiO2 are measured during atomic layer deposition (ALD) by ex situ and in situ high-resolution synchrotron radiation X-ray diffraction (XRD). In situ XRD studies suggest that RuO2 films grown by ...

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Sorbent‐Enhanced Steam Methane Reforming Reaction Studied over a Ca‐Based CO2 Sorbent and Ni Catalyst

22.08.2013 | M. Broda, A. M. Kierzkowska, C. R. Müller, Chemical Engineering & Technology, 2013

Abstract The sorption‐enhanced steam methane reforming (SE‐SMR) reaction using a mixture of a Ni‐hydrotalcite‐derived catalyst synthesized via coprecipitation and Ca‐based sorbents synthesized by the sol‐gel technique was investigated. The materials were characterized by X‐ray diffraction, N2 ...

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