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48.639 Aktuelle Fachpublikationen zum Thema temperature

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From N‐Nitro to N‐Nitroamino: Preparation of High‐Performance Energetic Materials by Introducing Nitrogen‐Containing Ions

08.10.2015 | Ping Yin, Jean'ne M. Shreeve, Angewandte Chemie International Edition, 2015

Abstract In the design of energetic materials, high energetic performance and good molecular stability are two main goals. Energetic functionalization which strives for maximum energy often results in unstable chemical bonds and causes safety problems in practical production and storage ...


Lithium Disilicate Glass‐Ceramics by Heat Treatment of Lithium Metasilicate Glass‐Ceramics Obtained by Hot Pressing

08.10.2015 | Hui Zhang, Zhilong He, Yaming Zhang, Wenjia Jing, Bo Wang, Jianfeng Yang, Journal of the American Ceramic Society, 2015

Lithium disilicate glass‐ceramics are widely used as dental ceramics due to their machinability and translucency. In this study, lithium disilicate glass‐ceramic was fabricated through heat treatment of lithium metasilicate glass‐ceramics obtained by hot pressing of glass powder composed of ...


The Band Gap of BaPrO3 Studied by Optical and Electrical Methods

08.10.2015 | Matthias Schrade, Anna Magrasó, Augustinas Galeckas, Terje G. Finstad, Truls Norby, Journal of the American Ceramic Society, 2015

We report on measurements of the electrical and optical properties of BaPrO3. The temperature dependences of the electrical conductivity σ and the Seebeck coefficient α of polycrystalline samples were studied over a wide temperature range (300°C–1050°C). At lower temperatures, the observed ...


Diffusion Across M/Pb(Zr,Ti)O3 Interfaces (M=Pt3Pb or Pt) Under Different System Conditions

08.10.2015 | Fang‐Yin Lin, Aleksandr Chernatynskiy, Jason Nikkel, Ralph Bulanadi, Jacob L. Jones, Juan C. Nino, Susan B. Sinnott, Journal of the American Ceramic Society, 2015

Interfaces between functional ceramics, such as Pb(Zr0.5Ti0.5)O3 or PZT, and metal electrodes, such as Pt, are important for many devices. Maintaining an interface that is free of secondary phases is necessary for the efficient transfer of electrons and device function. However, there are ...


Circular membrane for nano thin film micro solid oxide fuel cells with enhanced mechanical stability

08.10.2015 | Jong Dae Baek; Yong-Jin Yoon; Wonyoung Lee; Pei-Chen Su, Energy & Environmental Science, 2015

We demonstrate a new architecture for a low temperature solid oxide fuel cell to enlarge the lateral dimension of the fragile nano thin film electrolyte from micrometer to millimeter scale with greatly enhanced mechanical stability. The new structure was achieved by simple silicon micromachining ...


The spontaneous formation and plasmonic properties of ultrathin gold–silver nanorods and nanowires stabilized in oleic acid

08.10.2015 | Julian Crespo; José M. López-de-Luzuriaga; Miguel Monge; M. Elena Olmos; María Rodríguez-Castillo; Benoît Cormary; K ..., Chemical Communication, 2015

Ultrathin Au–Ag alloy nanorods and nanowires of different lengths and ca. 1.9 nm diameter are prepared through a low-temperature decomposition of the precursor [Au2Ag2(C6F5)4(OEt2)2]n in oleic acid. This nanostructure formation has been studied through TEM, HRTEM, EDS, HS-SPME-GC-MS and 19F NMR ...


Polymorphic phase stability and lattice dynamics of Ammonium Azide under hydrostatic compression

08.10.2015 | N Yedukondalu; Ganapathy Vaitheeswaran; P Anees; M. C. Valsakumar, Physical Chemistry Chemical Physics, 2015

We have investigated the effect of hydrostatic pressure and temperature on phase stability of N4H4 polymorphs using dispersion corrected Density Functional Theory calculations. From our total energy calculations, Ammonium Azide (AA) is found to be the thermodynamic ground state of N4H4 when ...


Time-resolved laser fluorescence spectroscopy of UO2(CO3)34-

07.10.2015 | E. C. Jung; H. -R. Cho; M. H. Baik; H. Kim; Wansik Cha, Dalton Transactions, 2015

The objective of the present study is to examine the luminescence characteristics of UO2(CO3)34- in detail using time-resolved laser fluorescence spectroscopy. The peak wavelengths and lifetime of UO2(CO3)34- were determined at room temperature using the two excitation laser wavelengths of 266 ...


Surface vs Solution Hybridization: Effects of Salt, Temperature, and Probe Type

07.10.2015 | Wanqiong Qiao; Hao-Chun Chiang; Hui Xie; Rastislav Levicky, Chemical Communication, 2015

Hybridization thermodynamics on solid supports are compared with those in solution for two types of hybridization probe, DNA and uncharged morpholino oligonucleotides of identical sequences. Trends in hybridization affinity are discussed with respect to ionic strength, temperature, and surface ...


Thermoresponsive release of viable microfiltrated Circulating Tumor Cells (CTCs) for precision medicine applications

07.10.2015 | Zheng Ao; Erika Parasido; Siddarth Rawal; Anthony Williams; Richard Schlegel; Stephen Liu; Chris Albanese; Richard J ..., Lab on a Chip, 2015

Stimulus responsive release of Circulating Tumor Cells (CTCs), with high recovery rates from their capture platform, is highly desirable for off-chip analyses. Here, we present a temperature responsive polymer coating method to achieve both release as well as culture of viable CTCs captured from ...


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