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It is investigated the formation of the phase composition and structure in the nanoscaled CoSbx (30 nm) films deposited by the method of molecular-beam epitaxy on the substrates of the oxidated monocrystalline silicon at 200 C and following…

Materials Science · Physics 2017-01-10 R. A. Shkarban , Ya. S. Peresunko , E. P. Pavlova , S. I. Sidorenko , A. Csik , Yu. N. Makogon

We introduce a simple method of an MgB2 film preparation using sequential electron-beam evaporation of B-Mg two-layer (followed by in-situ annealing) on the NbN buffered Si(100) substrate. The Transmission Electron Microscopy analyses…

This paper reports an effective method of stabilizing ultrathin Silver (Ag) films on substrates using a filler metal (Zn). Ag films with a thickness < 15 nm were deposited by DC magnetron sputtering above a Zn filler metal on glass, quartz,…

Superconducting thin films have been prepared on Si-substrates, using pulsed laser deposition from a target composed of a mixture of Mg and MgB2 powders. The films were deposited at room temperature and post-annealed at 600 degrees C. The…

Hydrogenated amorphous silicon alloy films are generally deposited by radio frequency plasma enhanced chemical vapor deposition (RF PECVD) technique on various types of substrates. Generally it is assumed that film quality remains unchanged…

Materials Science · Physics 2024-05-13 S. M. Iftiquar , S. N. Riaz , S. Mahapatra

Exploring new topological materials with large topological nontrivial bandgaps and simple composition is attractive for both theoretical investigation and experimental realization. Recently alpha tin ({\alpha}-Sn) has been predicted to be…

Materials Science · Physics 2019-12-10 Huanhuan Song , Jinshan Yao , Yuanfeng Ding , Yu Gu , Yu Deng , Ming-Hui Lu , Hong Lu , Yan-Feng Chen

We have developed an approach to grow high quality ultrathin films of La$_{2-x}$Sr$_x$CuO$_{4}$ with molecular beam epitaxy, by adding a homoepitaxial buffer layer in order to minimize the degradation of the film structure at the interface.…

Superconductivity · Physics 2015-06-24 A. Rufenacht , P. Chappatte , S. Gariglio , Ch. Leemann , J. Fompeyrine , J. -P. Locquet , P. Martinoli

Optical interference is used to enhance light-matter interaction and harvest broadband light in ultrathin semiconductor absorber films on specular back-reflectors. However, the high-temperature processing in oxygen atmosphere required for…

Thin films of superconducting V$_3$Si were prepared by means of RF sputtering from a compound V$_3$Si target at room temperature onto sapphire and oxide-coated silicon wafers, followed by rapid thermal processing under secondary vacuum. The…

We analyze the influence of the surface passivation produced by oxides on the superconducting properties of $\gamma$-Mo$_2$N ultra-thin films. The superconducting critical temperature of thin films grown directly on Si (100) with those…

Superconductivity · Physics 2021-06-22 J. A. Hofer , M. Ginzburg , S. Bengio , N. Haberkorn

Synthesis of rationally designed nanostructured materials with optimized mechanical properties, e.g., high strength with considerable ductility, requires rigorous control of diverse microstructural parameters including the mean size, size…

Materials Science · Physics 2017-01-27 Rohit Sarkar , Jagannathan Rajagopalan

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…

Materials Science · Physics 2007-05-23 G. Soto , J. A. Diaz , R. Machorro , A. Reyes-Serrato , W. de la Cruz

This fluid dynamics video demonstrates an experiment on superfast thinning of a freestanding thin aqueous film. The production of such films is of fundamental interest for interfacial sciences and the applications in nanoscience. The stable…

Fluid Dynamics · Physics 2018-04-16 Michael Winkler , Guggi Kofod , Rumen Krastev , Markus Abel

V$_3$Si thin films are known to be superconducting with transition temperatures up to 15 K, depending on the annealing temperature and the properties of the substrate underneath. Here we investigate the film structural properties with the…

Bi$_2$Se$_3$ is a widely studied 3D topological insulator having potential applications in optics, electronics, and spintronics. When the thickness of these films decrease to less than approximately 6 nm, the top and bottom surface states…

Materials Science · Physics 2024-06-19 Saadia Nasir , Walter J. Smith , Thomas E. Beechem , Stephanie Law

We report the growth and properties of epitaxial MgB2 thin films on (0001) Al2O3 substrates. The MgB2 thin films were prepared by depositing boron films via RF magnetron sputtering, followed by a post-deposition anneal at 850C in magnesium…

We report the growth of atomically smooth, single crystalline Bi2Se3 thin films on Si(111) by using molecular beam epitaxy. Scanning tunneling microscopy, low-energy electron diffraction, X-ray photoelectron emission spectroscopy and Raman…

Mesoscale and Nanoscale Physics · Physics 2010-05-03 Guanhua Zhang , Huajun Qin , Jing Teng , Jiandong Guo , Qinlin Guo , Xi Dai , Zhong Fang , Kehui Wu

This paper reports the synthesis and detailed characterization of graphite thin films produced by thermal decomposition of the (0001) face of a 6H-SiC wafer, demonstrating the successful growth of single crystalline films down to…

Ultrathin microscale resistive thermometers are of key value to many applications. Here we have fabricated a laser machined 50 ${\mu}$m wide and 50 nm thick serpentine Pt thin film sensor capable of sensing temperatures up to 650 ${^\circ}$…

Instrumentation and Detectors · Physics 2019-11-12 Letian Wang , Zeqing Jin , Dongwoo Paeng , Yoonsoo Rho , Jiangyou Long , Matthew Eliceiri , YS. Kim , Costas P. Grigoropoulos

While the optical properties of thin metal films are well understood in the visible and near-infrared range, little has been done in the mid- and far-infrared region. Here we investigate ultra-thin gold films prepared on Si(111)(7 x 7) in…

Materials Science · Physics 2008-11-10 Tobby Brandt , Martin Hövel , Bruno Gompf , Martin Dressel