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3.432 Aktuelle Fachpublikationen zum Thema temperature

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Vibrational properties and specific heat of core–shell Ag–Au icosahedral nanoparticles

25.02.2015 | Huziel E. Sauceda; Ignacio L. Garzón, Physical Chemistry Chemical Physics, 2015

The vibrational density of states (VDOS) of metal nanoparticles can be a fingerprint of their geometrical structure and determine their low-temperature thermal properties. Theoretical and experimental methods are available nowadays to calculate and measure it over a size range of 1–4 nm. In this ...

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1,3,5-Triazine-Pentaethylenehexamine Polymer for the Adsorption of Palladium (II) from chloride-containing solutions

22.02.2015 | Author(s): Merve Sayın , Mustafa Can , Mustafa İmamoğlu , Mustafa Arslan, Reactive and Functional Polymers, 2015

Publication date: Available online 17 February 2015 Source:Reactive and Functional Polymers Author(s): Merve Sayın , Mustafa Can , Mustafa İmamoğlu , Mustafa Arslan A triazine-hexamine (TAPEHA) polymer demonstratıng high acid-resistance, good affinity to noble metals, and a high density ...

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New Ruthenium Nitrosyl Pincer Complexes Bearing an O2 Ligand. Mono-Oxygen Transfer

19.02.2015 | Eran Fogler; Irena Efremenko; Moti Gargir; Gregory Leitus; Yael Diskin-Posner; Yehoshoa Ben-David; Jan M. L. Martin; ..., Inorganic Chemistry, 2015

We report on Ru(II)(μ2-O2) nitrosyl pincer complexes that can return to their original Ru(0) state by reaction with mono-oxygen scavengers. Potential intermediates were calculated by density functional theory (DFT) and a mechanism is proposed, revealing a new type of metal–ligand cooperation ...

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Electronic Structure of Low‐Temperature Solution‐Processed Amorphous Metal Oxide Semiconductors for Thin‐Film Transistor Applications

18.02.2015 | Josephine Socratous, Kulbinder K. Banger, Yana Vaynzof, Aditya Sadhanala, Adam D. Brown, Alessandro Sepe, Ullrich St ..., Advanced Functional Materials, 2015

The electronic structure of low temperature, solution‐processed indium–zinc oxide thin‐film transistors is complex and remains insufficiently understood. As commonly observed, high device performance with mobility >1 cm2 V−1 s−1 is achievable after annealing in air above typically 250 °C but ...

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Titanium-Defected Undoped Anatase TiO2 with p-Type Conductivity, Room-Temperature Ferromagnetism, and Remarkable Photocatalytic Performance

18.02.2015 | Songbo Wang; Lun Pan; Jia-Jia Song; Wenbo Mi; Ji-Jun Zou; Li Wang; Xiangwen Zhang, Journal of the American Chemical Society, 2015

Defects are critically important for metal oxides in chemical and physical applications. Compared with the often studied oxygen vacancies, engineering metal vacancies in n-type undoped metal oxides is still a great challenge, and the effect of metal vacancies on the physiochemical properties is ...

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A review on vermicomposting of organic wastes

17.02.2015 | Usman Ali, Nida Sajid, Azeem Khalid, Luqman Riaz, Muhammad Muaz Rabbani, Jabir Hussain Syed, Riffat Naseem Malik, Environmental Progress, 2015

Generation of the huge amount of solid waste around the globe is a major ecological and technical problem. Vermicomposting may be the viable option to handle solid waste in an environmentally friendly way. This review provides a general overview of viability of vermicomposting processes as an ...

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[Report] Nanoscale temperature mapping in operating microelectronic devices

06.02.2015 | Matthew Mecklenburg; William A. Hubbard; E. R. White; Rohan Dhall; Stephen B. Cronin; Shaul Aloni; B. C. Regan, Science , 2015

Modern microelectronic devices have nanoscale features that dissipate power nonuniformly, but fundamental physical limits frustrate efforts to detect the resulting temperature gradients. Contact thermometers disturb the temperature of a small system, while radiation thermometers struggle to beat ...

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σ‐Aromaticity in an Unsaturated Ring: Osmapentalene Derivatives Containing a Metallacyclopropene Unit

04.02.2015 | Congqing Zhu, Xiaoxi Zhou, Hongjie Xing, Ke An, Jun Zhu, Haiping Xia, Angewandte Chemie International Edition, 2015

Abstract In general, aromaticity can be clarified as π‐ and σ‐aromaticity according to the type of electrons with major contributions. The traditional π‐aromaticity generally describes the π‐conjugation in fully unsaturated rings whereas σ‐aromaticity may stabilize fully saturated rings with ...

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Hydrothermal Continuous Flow Synthesis and Exfoliation of NiCo Layered Double Hydroxide Nanosheets for Enhanced Oxygen Evolution Catalysis

02.02.2015 | Hanfeng Liang; Fei Meng; Miguel Cabán-Acevedo; Linsen Li; Audrey Forticaux; Lichen Xiu; Zhoucheng Wang; Song Jin, Nano Letters, 2015

We report the controlled synthesis of NiCo layered double hydroxide (LDH) nanoplates using a newly developed high temperature high pressure hydrothermal continuous flow reactor (HCFR), which enables direct growth onto conductive substrates in high yield and, most importantly, better control of ...

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Electrical conductivity of metal (hydr)oxide–activated carbon composites under compression. A comparison study

04.01.2015 | Author(s): A. Barroso-Bogeat , M. Alexandre-Franco , C. Fernández-González , J. Sánchez-González , V. Gómez-Serrano, Materials Chemistry and Physics, 2015

Publication date: 15 February 2015 Source:Materials Chemistry and Physics, Volume 152 Author(s): A. Barroso-Bogeat , M. Alexandre-Franco , C. Fernández-González , J. Sánchez-González , V. Gómez-Serrano From a granular commercial activated carbon (AC) and six metal (hydr)oxide ...

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