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We report the preparation of sodium alanate, a promising hydrogen storage material, in a thin film form using co-sputtering in a reactive atmosphere of atomic hydrogen. We study the phase formation and distribution, and the hydrogen…

材料科学 · 物理学 2009-10-14 M. Filippi , J. H. Rector , R. Gremaud , M. J van Setten , B. Dam

This work reports a pulsed laser-assisted synthesis, detailed structural characterization, and study of plasmonic properties of three sets of TiN/TiNO thin films with high electron density. The first two sets of TiN films were grown at 600C…

Controlled synthesis of metastable materials away from equilibrium is of interest in materials chemistry. Thin film deposition methods with rapid condensation of vapor precursors can readily synthesize metastable phases, but often struggle…

In this work, the results of fabricating ultra thin VO$_2$ films on the technologically relevant amorphous SiO$_2$ surface using reactive DC magnetron sputtering are presented. Results indicate that a post deposition anneal in low partial…

材料科学 · 物理学 2016-08-16 Fangfang Song , B. E. White

We report on the influence of the chemical composition on the electronic properties of molybdenum oxynitrides thin films grown by reactive sputtering on Si (100) substrates at room temperature. The partial pressure of Ar was fixed at 90 %,…

材料科学 · 物理学 2020-07-07 J. A. Hofer , S. Bengio , G. Rozas , P. D. Pérez , M. Sirena , S. Suárez , N. Haberkorn

We have successfully fabricated the nitrogen-doped cuprous oxide thin films on the amorphous standard soda-lime glass by reactive high-power impulse magnetron sputtering. The energy of film-forming particles was controlled by the value of…

Vanadium dioxide, a well-known Mott insulator, is a highly studied electronic material with promising applications in information processing and storage. While fully crystalline layers exhibit exceptional properties, such as a sharp and…

Beryllium nitride thin films were grown on silicon substrates by laser ablating a beryllium foil in molecular nitrogen ambient. The composition and chemical state were determined with Auger (AES), X-Ray photoelectron (XPS) and energy loss…

材料科学 · 物理学 2007-05-23 G. Soto , J. A. Diaz , R. Machorro , A. Reyes-Serrato , W. de la Cruz

Terbium doped silicon oxynitride host matrix is suitable for various applications such as light emitters compatible with CMOS technology or frequency converter systems for photovoltaic cells. In this study, amorphous Tb3+ ion doped…

Gas permeation through nanoscale pores is ubiquitous in nature and plays an important role in a plethora of technologies. Because the pore size is typically smaller than the mean free path of gas molecules, their flow is conventionally…

介观与纳米尺度物理 · 物理学 2018-06-25 A. Keerthi , A. K. Geim , A. Janardanan , A. P. Rooney , A. Esfandiar , S. Hu , S. A. Dar , I. V. Grigorieva , S. J. Haigh , F. C. Wang , B. Radha

Zinc nitride films were synthesized by reactive radio frequency (rf) magnetron sputtering of a zinc target using an Ar+N2 mixture. The as-deposited films were annealed in the air and O2 at 300 {\deg}C for 1 hr. The XRD measurements…

材料科学 · 物理学 2023-01-18 Ting Wen , Ahalapitiya H Jayatissa

We fabricated NiFe2O thin films on MgAl2O4 (001) substrates by reactive dc magnetron co-sputtering in a pure oxygen atmosphere at different substrate temperatures. The film properties were investigated by various techniques with a focus on…

Titanium nitride is a material of interest for many superconducting devices such as nanowire microwave resonators and photon detectors. Thus, controlling the growth of TiN thin films with desirable properties is of high importance. In…

Aiming to improve fabrication protocols for boron nitride and graphene (h-BNG) lateral heterostructures, we studied the growth of h-BNG thin films on platinum and their behavior in an oxygen environment. We employed a surface science…

Two-dimensional (2D) transition metal nitrides (TMNs) are new members in the 2D materials family with a wide range of applications. Particularly, highly crystalline and large area thin films of TMNs are potentially promising for…

材料科学 · 物理学 2019-10-07 Jun Cao , Tianshu Li , Hongze Gao , Yuxuan Lin , Xingzhi Wang , Haozhe Wang , Tomás Palacios , Xi Ling

The oxidation of the Ni(111) surface is studied experimentally with low energy electron microscopy and theoretically by calculating the electron reflectivity for realistic models of the NiO/Ni(111) surface with an ab-initio scattering…

介观与纳米尺度物理 · 物理学 2012-03-08 J. Ingo Flege , Axel Meyer , Jens Falta , Eugene E. Krasovskii

In the nitrogen-doped lutetium hydride (Lu-H-N) system, the presence of Lu-N chemical bonds plays a key role in the emergence of possible room-temperature superconductivity at near ambient pressure. However, due to the synthesis of…

MgGeN2 films were synthesized using metal-organic chemical vapor deposition on GaN/c-sapphire templates and c-plane sapphire substrates. Energy-dispersive X-ray spectroscopy was used to estimate the cation composition ratios. To mitigate…

Aluminum nitride (AlN) is an emerging material for integrated quantum photonics with its excellent linear and nonlinear optical properties. In particular, its second-order nonlinear susceptibility $\chi^{(2)}$ allows single-photon…

材料科学 · 物理学 2021-06-29 G. Terrasanta , M. Müller , T. Sommer , S. Geprägs , R. Gross , M. Althammer , M. Poot

Superconducting NbTiN thin films have garnered extensive interest due to their use in Superconducting Nanowire Single-Photon Detectors (SNSPDs) and other low-temperature applications for potential use in quantum computing and…

超导电性 · 物理学 2023-11-27 Siddhesh Sanjay Yeram , Sonam Bhakat , Subhashree S. Dash , Avradeep Pal