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4,333 Newest Publications about the topic doping


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Large spin-filtering effect in Ti-doped defective zigzag graphene nanoribbon

31-May-2016 | Sherif Abdulkader Tawfik; Xiangyuan Cui; Simon Ringer; Catherine Stampfl, Physical Chemistry Chemical Physics, 2016

Through first-principles calculations using the nonequilibrium Green's function formalism together with density functional theory, we study the conductance of double-vacancy zigzag graphene nanoribbons doped with four transition metal atoms Ti, V, Cr and Fe. We show that Ti doping induces large ...


Synthesis and processing of silicon nitride and related materials using preceramic polymer and non-oxide sol-gel approaches

29-May-2016 | Author(s): Andrew L. Hector, Coordination Chemistry Reviews, 2016

Publication date: Available online 24 May 2016 Source:Coordination Chemistry Reviews Author(s): Andrew L. Hector The use of preceramic polymer and sol-gel processing methods in the production of silicon nitride and a number of related materials is reviewed. Amorphous ceramics in this ...


From oxide to proton conduction: A quantum‐chemical perspective on the versatility of Sr2Fe1.5Mo0.5O6−δ‐based materials

27-May-2016 | Ana B. Muñoz‐García, Michele Pavone, International Journal of Quantum Chemistry, 2016

Sr2Fe1.5Mo0.5O6−δ (SFMO) is a promising electrode material for solid oxide electrochemical cells. This perspective highlights the role of first‐principles investigations in unveiling SFMO structural, electronic, and defect properties. In particular, DFT + U provides a reliable and convenient ...


Raman spectral probe on increased local vibrational modes and phonon lifetimes in Ho3+‐doped Bi2O3 micro‐rods

27-May-2016 | Neena Prasad, Karthikeyan Balasubramanian, Journal of Raman Spectroscopy, 2016

We report the appearance and enhancement in intensity of impurity related local vibrational modes in Bi2O3 : Ho micro‐rods along with normal modes. Pure and Ho‐doped Bi2O3 micro‐rods were synthesized by conventional co‐precipitation method at 60 °C. The structural and morphological studies were ...


Strong and Tunable Spin–Orbit Coupling in a Two-Dimensional Hole Gas in Ionic-Liquid Gated Diamond Devices

26-May-2016 | Golrokh Akhgar; Oleh Klochan; Laurens H. Willems van Beveren; Mark T. Edmonds; Florian Maier; Benjamin J. Spencer; J ..., Nano Letters, 2016

Hydrogen-terminated diamond possesses due to transfer doping a quasi-two-dimensional (2D) hole accumulation layer at the surface with a strong, Rashba-type spin–orbit coupling that arises from the highly asymmetric confinement potential. By modulating the hole concentration and thus the potential ...


Effects of Ga doping on Pt/CeO2‐Al2O3 catalysts for propane dehydrogenation

25-May-2016 | Tuo Wang, Feng Jiang, Gang Liu, Liang Zeng, Zhijian Zhao, Jinlong Gong, AIChE Journal, 2016

Abstract This paper describes catalytic consequences of Pt/CeO2‐Al2O3 catalysts promoted with Ga species for propane dehydrogenation (PDH). A series of PtGa/CeO2‐Al2O3 catalysts were prepared by a sequent impregnation method. The as‐prepared catalysts were characterized employing N2 ...


Electron dominated thermoelectric response in MNiSn (M: Ti, Zr, Hf) half-Heusler alloys

25-May-2016 | Appala Naidu Gandi; Udo Schwingenschlögl, Physical Chemistry Chemical Physics, 2016

We solve the transport equations of the electrons and phonons to understand the thermoelectric behaviour of the technologically important half-Heusler alloys MNiSn (M: Ti, Zr, Hf). Doping is simulated within the rigid band approximation. We clarify the origin of the electron dominated ...


Hierarchically‐Porous Carbon Derived from a Large‐Scale Iron‐based Organometallic Complex for Versatile Energy Storage

24-May-2016 | Chao‐Ying Fan, Huan‐Huan Li, Hai‐Feng Wang, Hai‐Zhu Sun, Xing‐Long Wu, Jing‐Ping Zhang, ChemSusChem, 2016

Abstract Inspired by the preparation of the hierarchically‐porous carbon (HPC) derived from metal organic frameworks (MOFs) for energy storage, in this work, a simple iron‐based metal– organic complex (MOC), which was simpler and cheaper compared with the MOF, was selected to achieve versatile ...


Structure and Sodium Ion Dynamics in Sodium Strontium Silicate Investigated by Multinuclear Solid-State NMR

24-May-2016 | Kenneth K. Inglis; John P. Corley; Pierre Florian; Jordi Cabana; Ryan D. Bayliss; Frédéric Blanc, Chemistry of Materials, 2016

The high oxide ion conductivity of the proposed sodium strontium silicate ion conductors Sr0.55Na0.45SiO2.775 (>10–2 S·cm–1 at 525 °C) and its unusual alkali metal substitution strategy have been extensively questioned in the literature. Here, we present a comprehensive understanding of the ...


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