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1.931 Aktuelle Fachpublikationen zum Thema temperature

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NH3 gas sensor based on Pd/SnO2/RGO ternary composite operated at room-temperature

04.10.2015 | Author(s): Pi-Guey Su, Ling-Yu Yang, Sensors and Actuators B: Chemical, 2015

Publication date: February 2016 Source:Sensors and Actuators B: Chemical, Volume 223 Author(s): Pi-Guey Su, Ling-Yu Yang Novel room-temperature NH3 gas sensors based on Pd, tin oxide (SnO2) and reduced graphene oxide (RGO) ternary nanocomposite (Pd/SnO2/RGO) film were fabricated by the ...


Effects of Y2O3–RE2O3 (RE = Sm, Gd, Lu) Additives on Electrical and Thermal Properties of Silicon Carbide Ceramics

03.10.2015 | Seung Hoon Jang, Young‐Wook Kim, Kwang Joo Kim, Seoung‐Jae Lee, Kwang‐Young Lim, Journal of the American Ceramic Society, 2015

In this study, we investigated the electrical and thermal properties of SiC ceramics with 2 vol% equimolar Y2O3–RE2O3 (RE = Sm, Gd, Lu) additives. The three SiC ceramics with 2 vol% equimolar Y2O3–RE2O3 additives showed electrical conductivities on the order of ~103 (Ω·m)−1, which is one order ...


Thermally Driven Large N‐Type Voltage Responses from Hybrids of Carbon Nanotubes and Poly(3,4‐ethylenedioxythiophene) with Tetrakis(dimethylamino)ethylene

02.10.2015 | Hong Wang, Jui‐Hung Hsu, Su‐In Yi, Suk Lae Kim, Kyungwho Choi, Gang Yang, Choongho Yu, Advanced Materials, 2015

Hybrids of carbon nanotubes (CNTs) and poly(3,4‐ethylenedioxythiophene) (PEDOT) treated by tetrakis(dimethylamino)ethylene (TDAE) have large n‐type voltages in response to temperature differences. The reduced carrier concentration by TDAE reduction and partially percolated CNT networks embedded ...


Hierarchical Nanostructured WO3 with Biomimetic Proton Channels and Mixed Ionic-Electronic Conductivity for Electrochemical Energy Storage

30.09.2015 | Zheng Chen; Yiting Peng; Fang Liu; Zaiyuan Le; Jian Zhu; Gurong Shen; Dieqing Zhang; Meicheng Wen; Shuning Xiao; Chi ..., Nano Letters, 2015

Protein channels in biologic systems can effectively transport ions such as proton (H+), sodium (Na+), and calcium (Ca+) ions. However, none of such channels is able to conduct electrons. Inspired by the biologic proton channels, we report a novel hierarchical nanostructured hydrous hexagonal WO3 ...


Toward Understanding the Lithium Transport Mechanism in Garnet-type Solid Electrolytes: Li+ Ion Exchanges and Their Mobility at Octahedral/Tetrahedral Sites

30.09.2015 | Dawei Wang; Guiming Zhong; Wei Kong Pang; Zaiping Guo; Yixiao Li; Matthew J. McDonald; Riqiang Fu; Jin-Xiao Mi; Yong ..., Chemistry of Materials, 2015

The cubic garnet-type solid electrolyte Li7La3Zr2O12 with aliovalent doping exhibits a high ionic conductivity, reaching up to ∼10–3 S/cm at room temperature. Fully understanding the Li+ transport mechanism including Li+ mobility at different sites is a key topic in this field, and ...


High Thermoelectric Figure of Merit Values of Germanium Antimony Tellurides with Kinetically Stable Cobalt Germanide Precipitates

25.09.2015 | Felix Fahrnbauer; Daniel Souchay; Gerald Wagner; Oliver Oeckler, Journal of the American Chemical Society, 2015

Heterostructures that consist of a germanium antimony telluride matrix and cobalt germanide precipitates can be obtained by straightforward solid-state synthesis including simple annealing and quenching procedures. The microscale precipitates are homogeneously distributed in a matrix with ...


Phase Relationship and Ionic Conductivity in Na–SrSiO3 Ionic Conductor

24.09.2015 | Youngseok Jee, Xuan Zhao, Xueling Lei, Kevin Huang, Journal of the American Ceramic Society, 2015

The Na–SrSiO3 as a potential high‐conductivity ionic conductor for intermediate temperature solid oxide electrochemical cells (SOECs) has drawn much attention recently. Some of these studies questioned the feasibility of Na doping and therefore the creation of oxygen vacancies, while others ...


Potential Barrier of (Zn,Nb)SnO2‐Films Induced by Microwave Thermal Diffusion of Cr3+ for Low‐Voltage Varistor

24.09.2015 | Glauco M. M. M. Lustosa, João Paulo de Campos Costa, Leinig A. Perazolli, Biljana D. Stojanovic, Maria Aparecida Zaghete, Journal of the American Ceramic Society, 2015

The effect of Cr3+ on the electrical properties of SnO2‐based films deposited by electrophoresis on Si/Pt substrate was considered. The films were sintered in a microwave oven at 1000°C/40min and then the surface was modified with deposition of Cr3+ ions by electrophoresis. The diffusion of ...


Enhanced thermoelectric performance of carbon nanotube at elevated temperature

24.09.2015 | P.H. Jiang; Huijun Liu; D.D. Fan; L. Cheng; J. Wei; J. Zhang; J.H. Liang; Jing Shi, Physical Chemistry Chemical Physics, 2015

The electronic and transport properties of (10, 0) single-walled carbon nanotube are studied by performing first-principles calculations and semi-classical Boltzmann theory. It is found that the (10, 0) tube exhibits considerably large Seebeck coefficient and electrical conductivity which are ...


Mullite: Crystal Structure and Related Properties

21.09.2015 | Hartmut Schneider, Reinhard X. Fischer, Jürgen Schreuer, Journal of the American Ceramic Society, 2015

Mullite is certainly one of the most important oxide materials for both conventional and advanced ceramics. Mullite belongs to the compositional series of orthorhombic aluminosilicates with the general composition Al2(Al2+2xSi2‐2x)O10‐x. Main members are sillimanite (x = 0), stoichiometric ...


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