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39.905 Aktuelle Fachpublikationen zum Thema temperature

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Electronic band structure and low-temperature transport properties of the type-I clathrate Ba8NixGe46-x-y[square]y

01.04.2015 | U. Aydemir; C. Candolfi; A. Ormeci; M. Baitinger; U. Burkhardt; N. Oeschler; F. Steglich; Yu. Grin, Dalton Transactions, 2015

We present the evolution of the low-temperature thermodynamic, galvanomagnetic and thermoelectric properties of the type-I clathrate Ba8NixGe46−x−y [[square]] y with the Ni concentration studied on polycrystalline samples with 0.0 ≤ x ≤ 6.0 by means of specific heat, Hall effect, electrical ...

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Temperature driven p–n–p type conduction switching materials: current trends and future directions

01.04.2015 | Satya N. Guin; Kanishka Biswas, Physical Chemistry Chemical Physics, 2015

Modern technological inventions have been going through a “renaissance” period. Development of new materials and understanding of fundamental structure–property correlations are the important steps to move further for advanced technologies. In modern technologies, inorganic semiconductors are the ...

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Self-assembly of luminescent N-annulated perylene tetraesters into fluid columnar phases

01.04.2015 | Ravindra Kumar Gupta; Suraj Kumar Pathak; Balaram Pradhan; D. S. Shankar Rao; S. Krishna Prasad; Ammathnadu S. Achal ..., Soft Matter, 2015

A new class of N-annulated perylene tetraesters and their N-alkylated derivatives has been synthesized. N-Annulated perylene tetraesters stabilize a hexagonal columnar phase over a broad temperature range. The hexagonal columnar phase exhibited by these compounds shows good homeotropic alignment ...

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Layered MoS2 nanoparticles on TiO2 nanotubes by a photocatalytic strategy for use as high-performance electrocatalysts in hydrogen evolution reactions

01.04.2015 | Chenhui Meng; Zhaoyue Liu; Tierui Zhang; Jin Zhai, Green Chemistry, 2015

An environmentally-friendly photocatalytic strategy carried out at room temperature and atmospheric pressure without using toxic precursors was used to develop high-performance MoS2 nanoparticulate electrodes consisting of layered MoS2 nanoparticles on anodized TiO2 nanotubes (TiO2-NTs). TiO2-NTs ...

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FD Electrolysis: Syngas Production by High Temperature Steam/CO2 Coelectrolysis Using Solid Oxide Electrolysis Cells

01.04.2015 | Xinbing Chen; Chengzhi Guan; Xiao Guoping; Xianlong Du; Jian-Qiang Wang, Faraday Discussions, 2015

High temperature (HT) steam/CO2 coelectrolysis with solid oxide electrolysis cells (SOECs) using the heat and power from clean energies is an important alternative for syngas production without fossil fuel consumptions and greenhouse gas emissions. Herein, reaction characteristics and outlet ...

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Introducing a new radical trifluoromethylation reagent

01.04.2015 | Azusa Sato; Jianlin Han; Taizo Ono; Alicja Wzorek; José Luis Aceña; Vadim A. Soloshonok, Chemical Communication, 2015

Perfluoro-3-ethyl-2,4-dimethyl-3-pentyl radical (PPFR) is a persistent radical stable at room temperature, but easily decomposes at 90 °C to produce a CF3 radical which is able to react with a variety of aromatic compounds to afford the corresponding trifluoromethyl derivatives, usually as ...

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An old workhorse for new applications: Fe(dpm)3 as a precursor for low-temperature PECVD of iron(III) oxide

01.04.2015 | G. Carraro; C. Maccato; A. Gasparotto; D. Barreca; M. Walter; L. Mayrhofer; M. Moseler; A. Venzo; R. Seraglia; C. Marega, Physical Chemistry Chemical Physics, 2015

An iron(iii) β-diketonate complex, Fe(dpm)3 (Hdpm = 2,2,6,6-tetramethyl-3,5-heptanedione), has been investigated as a potential precursor for plasma enhanced chemical vapor deposition (PECVD) of iron(iii) oxide nanomaterials. Thanks to the combined experimental–theoretical approach, spectroscopic ...

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Condensation of vapor species at the outlets in the high temperature chemical vapor deposition using tetramethylsilane as the precursor for SiC bulk growth

01.04.2015 | Byeong Geun Kim; Ji-Young Yoon; Chang-Hyoung Yoo; Deok-Hui Nam; Myung-Hyun Lee; Won-Seon Seo; Seong-Min Jeong, CrystEngComm, 2015

High temperature chemical vapor deposition (HTCVD), an alternate method for crystal growth of SiC, was recently deemed to be a safe method when tetramethylsilane (TMS) is used. In this study, we report on the characteristics of condensation of vapor species as a function of geometric location and ...

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Thiocarbanilide-derived nanoporous carbon materials by a simple template carbonization method: The comparison of Ca(OH)2 and Mg(OH)2 template effects upon pore structures and capacitive behaviors

29.03.2015 | Author(s): Yuan Yuan He , Zhong Jie Zhang , Xiang Ying Chen, Journal of Electroanalytical Chemistry, 2015

Publication date: 1 May 2015 Source:Journal of Electroanalytical Chemistry, Volume 744 Author(s): Yuan Yuan He , Zhong Jie Zhang , Xiang Ying Chen A valid and facile template carbonization route for producing nanoporous carbons with hierarchical porosities has been implemented by using ...

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A rapid method for simultaneously determining ethanol and methanol content in wines by full evaporation headspace gas chromatography

29.03.2015 | Author(s): Chun-Yun Zhang , Neng-Biao Lin , Xin-Sheng Chai , Zhong-Li , Donald G. Barnes, Food Chemistry, 2015

Publication date: 15 September 2015 Source:Food Chemistry, Volume 183 Author(s): Chun-Yun Zhang , Neng-Biao Lin , Xin-Sheng Chai , Zhong-Li , Donald G. Barnes This work reports on a full evaporation headspace gas chromatographic (FE HS-GC) method for simultaneously determining the ...

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