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This paper concerns the study of zirconium oxidation under irradiation with high energetic Xe ions. The irradiations were performed on the IRRSUD beam line at GANIL (Caen). The oxygen partial pressure was fixed at 10$^{-3}$ Pa and two…

Chemical Physics · Physics 2007-05-23 N. Bererd , A. Chevarier , N. Moncoffre , H. Jaffrezic , E. Balanzat , H. Catalette

We demonstrate the extensive study on how film density and crystallinity of molybdenum carbide ($MoC_{x}$) can be tailored during plasma-enhanced ALD (PEALD) by controlling either the plasma exposure time or the ion energy. We investigated…

Applied Physics · Physics 2019-11-13 Eldad Grady , Marcel Verheijen , Tahsin Faraz , Saurabh Karwal , W. M. M. Kessels , Ageeth A. Bol

We demonstrate spatial modification of the optical properties of thin-film metal oxides, zinc oxide and vanadium dioxide as representatives, using a commercial focused ion beam (FIB) system. Using a Ga+ FIB and thermal annealing, we…

Iron-based oxypnictides substituted with yttrium have been prepared via a conventional solid state reaction. The product after first 50 hours of reaction showed diamagnetic-like transition at around 10 K but was not superconducting, while…

Superconductivity · Physics 2009-11-13 S V Chong , T Mochiji , K Kadowaki

We have developed a method to quantify reaction product ratios using high resolution microwave spectroscopy in a cryogenic buffer gas cell. We demonstrate the power of this method with the study of the ozonolysis of isoprene,…

Chemical Physics · Physics 2018-09-11 Jessica P. Porterfield , Sandra Eibenberger , Dave Patterson , Michael C. McCarthy

The growth of wafer-scale and uniform monoclinic VO2 film was a challenge if considering the multivalent vanadium atom and the various phase structures of VO2 compound. Directly oxidizing metallic vanadium film in oxygen gas seemed to be an…

Materials Science · Physics 2020-05-20 H. Ren , B. Li , X. Zhou , S. Chen , Y. Li , C. Hu , J. Tian , G. Zhang , Y. Pan , C. Zou

Vanadium Dioxide (VO2) is a strongly correlated material, which exhibits insulator to metal transition at ~68 C along with large resistivity and infrared optical reflectance modulation. In this work, we use atmospheric pressure thermal…

Applied Physics · Physics 2021-06-29 Ashok P , Yogesh Singh Chauhan , Amit Verma

Epitaxial thin films of La0.7Ba0.3MnO3 manganite, deposited using Chemical Solution Deposition technique, were irradiated by 200 MeV Ag+15 ions with a maximum ion dose up to 1x10^12 ions/cm2. Temperature- and magnetic field-dependent…

Materials Science · Physics 2009-11-11 R. N. Parmar , J. H. Markna , D. G. Kuberkar , Ravi Kumar , D. S. Rana , Vivas C. Bagve , S. K. Malik

The influence of nitrogen on the oxidation behavior of hot-pressed zirconium carbide was investigated using a flow-tube furnace at temperatures ranging from 1000 to 1600 {\deg}C. Mass gain, oxide formation characteristics, and oxide…

Several calorimetric measurements have shown that 1-ethyl-3-methylimidazolium dicyanamide, [C2C1im][N(CN)2], is a glass-forming liquid, even though it is a low-viscous liquid at room temperature. Here we found slow crystallization during…

Chemical Physics · Physics 2021-07-28 Kalil Bernardino , Thamires A. Lima , Mauro C. C. Ribeiro

The paper presents a model for liquid uranium dioxide, obtained by improving a simplified ionic model, previously adopted to describe the equation of state of this substance [1]. A "chemical picture" is used for liquid UO2 of stoichiometric…

We have determined the temperature dependence of the solvation behavior of a large collection of light gases in imidazolium-based Ionic Liquids (ILs) with the help of extensive molecular dynamics simulations. The solubility of molecular…

Pristine vanadium dioxide (VO2), an insulator-to-metal transition (IMT) material, is grown via furnace oxidation followed by rapid thermal annealing with forming gas (5%H2/95%N2) which reduces surface over-oxides such as V2O5 formed during…

Materials Science · Physics 2025-12-25 Ken Araki , Vishwa Krishna Rajan , Liping Wang

The hydrodeoxygenation (HDO) of lignin-derived feedstocks into value-added chemicals with high efficiency and selectivity is desirable for the utilization of biomass resource. The complex oxygen-containing groups of lignin-derived substance…

Chemical Physics · Physics 2024-03-26 Yongjian Zeng , Lu Lin , Di Hu , Zhiwei Jiang , Shaimaa Saeed , Ruichao Guo , Ibrahim Ashour , Kai Yan

In line with the study presented in the part I of this paper, the structure of a laminar rich premixed methane flame doped with 1,3-butadiene has been investigated. The flame contains 20.7% (molar) of methane, 31.4% of oxygen and 3.3% of…

Vanadium dioxide undergoes a metal-insulator transition (MIT) from an insulating (monoclinic) to a metallic (tetragonal) phase close to room temperature, which makes it a promising functional material for many applications, e.g. as chemical…

We present experimental constraints on the insertion of oxygen atoms into methane to form methanol in astrophysical ice analogs. In gas-phase and theoretical studies this process has previously been demonstrated to have a very low or…

Earth and Planetary Astrophysics · Physics 2017-08-23 Jennifer B. Bergner , Karin I. Oberg , Mahesh Rajappan

Hypothesis: Ionic liquids have various applications in catalytic reaction environments. In those systems, their interaction with interfaces is key to their performance as a liquid phase. We hypothesize that the way a monolayer ionic liquid…

Soft Condensed Matter · Physics 2024-03-14 Kevin Höllring , Nataša Vučemilović-Alagić , David M. Smith , Ana-Sunčana Smith

Nanostructured Zinc oxide (ZnO) was synthesized via a ball milling for 10 hours using high energy planetary ball mill. Phase purity and homogeneity of all the samples have been investigated by X-ray diffraction (XRD) and Field Emission…

Materials Science · Physics 2015-06-11 Pawan Kumar , M. Kar , Anup V. Sanchela , C. V. Tomy , Ajay D. Thakur

This paper offers a study of oxygen dissolution into a solid, and its consequences on the mechanical behaviour of the material. In fact, mechanical strains strongly influence the oxidation processes and may be, in some materials,…

Materials Science · Physics 2009-09-17 Nicolas Creton , Virgil Optasanu , Tony Montesin , Sébastien Garruchet