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44.072 Aktuelle Fachpublikationen zum Thema temperature

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Enhanced electron spin rotation in CdS quantum dots

02.09.2015 | Yasuaki Masumoto; Hikaru Umino; Jianhui Sun; Eri Suzumura, Physical Chemistry Chemical Physics, 2015

We studied the spin rotation of electrons in CdS quantum dots (QDs) and CdS QDs with charge acceptors by means of time-resolved Faraday rotation (TRFR) at room temperature. The electron spin rotation gave an oscillatory component in TRFR signal and the oscillation frequency proportional to ...

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Tri-chromatic white-light emission from a single-phase Ca9Sc(PO4)7: Eu2+, Tb3+, Mn2+ phosphor for LED applications

02.09.2015 | Lihong Jiang; Ran Pang; Da Li; Wenzhi Sun; Yonglei Jia; Haifeng Li; Jipeng Fu; Chengyu Li; Su Zhang, Dalton Transactions, 2015

A series of single-phase Ca9Sc(PO4)7: Eu2+, Tb3+, Mn2+ phosphors for UV excitations were synthesized by high-temperature solid-state reaction. Energy transfer from Eu2+→Tb3+ and Eu2+→Mn2+ in Ca9Sc(PO4)7 sample is a feasible route to realize color-tunable emission because Ca9Sc(PO4)7 single-doped ...

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Adsorption and interaction of CO2 on rutile TiO2(110) surfaces: a combined UHV-FTIRS and theoretical simulation study

02.09.2015 | Yunjun Cao; Shujun Hu; Min Yu; Shishen Yan; Mingchun Xu, Physical Chemistry Chemical Physics, 2015

CO2 adsorption and interaction on rutile TiO2(110) surfaces was studied by UHV-FTIRS combined with theoretical simulations. With increasing CO2 exposure, CO2 adsorbs in succession at the oxygen vacancy (Vo) sites, on the five-coordinated Ti cation (Ti5c) sites and the bridging oxygen (Obr) sites ...

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Anisotropic displacement parameters from dispersion-corrected DFT methods and their experimental validation by temperature-dependent X-ray diffraction

02.09.2015 | Janine George; Ai Wang; Volker L. Deringer; Ruimin Wang; Richard Dronskowski; Ulli Englert, CrystEngComm, 2015

In chemical crystallography, the thermal motion of scattering centers is commonly described by anisotropic displacement parameters (ADPs). Very recently, it has been shown that ADPs are not only accessible by diffraction experiments but also via theory: this emerging approach seems promising but ...

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Metallic Particle Assemblies on Graphene

02.09.2015 | Gkikas, Manos, Organic Chemistry, 2015

Abstract: Different approaches to obtain metallic particles on graphene are discussed in this Review article and their applications in catalysis, electrocatalysis and surface enhanced Raman spectroscopy (SERS) are highlighted. Synthetic methods for well-dispersed metallic particles (Au, Ag, ...

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A new approach for reconstructing Holocene temperatures from a multi-species long chain alkenone record from Lake Qinghai on the northeastern Tibetan Plateau

30.08.2015 | Author(s): Zheng Wang, Zhonghui Liu, Fan Zhang, Mingyi Fu, Zhisheng An, Organic Geochemistry, 2015

Publication date: Available online 24 August 2015 Source:Organic Geochemistry Author(s): Zheng Wang, Zhonghui Liu, Fan Zhang, Mingyi Fu, Zhisheng An The extent of unsaturation in long chain alkenones (LCKs) in lakes has potential for quantitatively indicating paleotemperature in ...

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Fatty acid composition in double and multilayered microcapsules of ω-3 as affected by storage conditions and type of emulsions

30.08.2015 | Author(s): Estefanía Jiménez-Martín, Teresa Antequera Rojas, Adem Gharsallaoui, Jorge Ruiz Carrascal, Trinid ..., Food Chemistry, 2015

Publication date: 1 March 2016 Source:Food Chemistry, Volume 194 Author(s): Estefanía Jiménez-Martín, Teresa Antequera Rojas, Adem Gharsallaoui, Jorge Ruiz Carrascal, Trinidad Pérez-Palacios Spray-dried microcapsules from double (DM) and multilayered (MM) fish oil emulsions were ...

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Quality and microbial safety evaluation of new isotonic beverages upon thermal treatments

30.08.2015 | Author(s): Amadeo Gironés-Vilaplana, Juan-Pablo Huertas, Diego A. Moreno, Paula M. Periago, Cristina Garcí ..., Food Chemistry, 2015

Publication date: 1 March 2016 Source:Food Chemistry, Volume 194 Author(s): Amadeo Gironés-Vilaplana, Juan-Pablo Huertas, Diego A. Moreno, Paula M. Periago, Cristina García-Viguera In the present study, it was evaluated how two different thermal treatments (Mild and Severe) may ...

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A novel Zn6Co3 cluster-based heterometallic coordination polymer with PMG3− linker formed via in situ decarboxylation from H4PMIDA

30.08.2015 | Author(s): Ai-Qin Zhang, Nan Liu, Zhi-Hong Liu, Inorganic Chemistry Communications, 2015

Publication date: October 2015 Source:Inorganic Chemistry Communications, Volume 60 Author(s): Ai-Qin Zhang, Nan Liu, Zhi-Hong Liu A novel Zn6Co3 cluster-based heterometallic coordination polymer, [Zn6Co3(PMG)6(H2O)4]·12H2O (1), has been hydrothermally synthesized, in which the PMG3− ...

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Ultrasound-assisted precipitation synthesis of PbMoO4 and PbMoO4:Eu3+ nanocrystals and photoluminescence properties

30.08.2015 | Author(s): Junjun Zhang, Tianqi Zhao, Lianchun Zou, Shucai Gan, Journal of Photochemistry and Photobiology A: Chemistry, 2015

Publication date: 1 January 2016 Source:Journal of Photochemistry and Photobiology A: Chemistry, Volume 314 Author(s): Junjun Zhang, Tianqi Zhao, Lianchun Zou, Shucai Gan Herein, PbMoO4 and PbMoO4:Eu3+ nanocrystals (NCs) with homogeneous grain size were successfully prepared via a ...

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