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Related papers: Pentacene islands grown on ultra-thin SiO2

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We grew 20-100 nm thick films of B20 FeGe by molecular beam epitaxy and investigated the surface structures via scanning tunneling microscopy. We observed the atomic resolution of each of the four possible chemical layers in FeGe(-1-1-1).…

Mesoscale and Nanoscale Physics · Physics 2018-07-03 J. P. Corbett , T. Zhu , A. S. Ahmed , S. J. Tjung , J. J. Repicky , T. Takeuchi , R. K. Kawakami , J. A. Gupta

Poly- and single-crystal thin films of U-Mo alloys have been grown both on glass and sapphire substrates by UHV magnetron sputtering. X-ray and Electron Backscatter Diffraction data indicate that for single-crystal U1-xMox alloys, the pure…

Materials Science · Physics 2013-11-07 A M Adamska , R Springell , T B Scott

We report in situ characterized TiO2 thin-films deposited on optical fiber, having thicknesses in the 20-100nm range, and having enhanced conductivity values of 700S/cm upon interacting with hydrogen. This conductivity was achieved in pure…

Materials Science · Physics 2020-10-01 Jacob L. Poole , Paul R. Ohodnicki , Yang Yu , Jian Liu , Bret Howard , Sittichai Natesakhawat

Crystalline Fe3O4/NiO bilayers were grown on MgO(001) substrates using reactive molecular beam epitaxy to investigate their structural properties and their morphology. The film thickness either of the Fe3O4 film or of the NiO film has been…

Materials Science · Physics 2023-07-19 Tobias Schemme , Olga Kuschel , Florian Bertram , Karsten Kuepper , Joachim Wollschäger

This paper reports on the structural and optical properties of Co-doped TiO2 thin films grown onto (0001) Al2O3 substrates by non-reactive pulsed laser deposition (PLD) using argon as buffer gas. It is shown that by keeping constant the…

Materials Science · Physics 2013-07-09 S. Rout , N. Popovici , S. Dalui , M. L. Paramês , R. C. Silva , A. J. Silvestre , O. CondE

A detailed nanoscale structural characterization was performed on high-quality La0.66Sr0.33MnO3 (LSMO) thin films of different thicknesses and deposited by pulsed laser deposition onto buffered Si (100) substrates. A multilayered structure…

Materials Science · Physics 2020-09-16 Aneely Carrero , Augusto Roman , Myriam Aguirre , Laura B. Steren

We investigate the atomic and electronic structure of a single layer of pentacene on the Au(111) surface using density functional theory. To find the candidate structures we strain match the pentacene crystal geometry with the Au(111)…

Materials Science · Physics 2013-08-06 Kurt Stokbro , Søren Smidstrup

Single layer graphene islands with a typical diameter of several nanometers were grown on a Pt (111) substrate. Scanning tunneling microscopy (STM) analysis showed most of islands are hexagonally shaped and the zigzag-type edge predominates…

Mesoscale and Nanoscale Physics · Physics 2011-01-21 Mayu Yamamoto , Seiji Obata , Koichiro Saiki

This paper reports the nanoscale texture and microstructure of a high-performance NdFeAs(O,F) superconducting thin film grown by molecular beam epitaxy on a textured MgO/Y$_2$O$_3$/Hastelloy substrate. The NdFeAs(O,F) film forms a highly…

Growth and strain behavior of thin Ag films on Si substrate have been investigated by scanning tunneling microscopy, cross-sectional transmission electron microscopy and high resolution x-ray diffraction studies. Ag islands formed on Si at…

Materials Science · Physics 2007-05-23 D. K. Goswami , K. Bhattacharjee , B. Satpati , S. Roy , G. Kuri , P. V. Satyam , B. N. Dev

Layered perovskite La2CuO4+delta(LCO) thin films were epitaxially grown on SrTiO3 (STO) and LaSrAlO4 (LSAO) substrates by atomic-layer-by-layer molecular beam epitaxy. The lattice de-fects and residual strain in these films were…

Materials Science · Physics 2007-05-23 Jiaqing He , Robert F. Klie , Gennady Logvenov , Ivan Bozovic , Yimei Zhu

The film thickness dependence of crystal growth is investigated for isotactic polystyrene (it-PS) in thin films, the thickness of which is from 20nm down to 4nm. The single crystals of it-PS grown at 180 in the ultrathin films show the…

Soft Condensed Matter · Physics 2007-05-23 Ken Taguchi , Hideki Miyaji , Kunihide Izumi , Akitaka Hoshino , Yoshihisa Miyamoto , Ryohei Kokawa

The local epitaxial growth of pulsed laser deposited Ca$_2$MnO$_4$ films on polycrystalline spark plasma sintered Sr$_2$TiO$_4$ substrates was investigated to determine phase formation and preferred epitaxial orientation relationships…

Materials Science · Physics 2014-12-24 M. Lacotte , A. David , D. Pravarthana , C. grygiel , G. S rohrer , PA. Salvador , M. Velasquez , K. de Kloe , W. Prellier

This work reports the peculiar properties of a graphene film prepared by the chemical vapor deposition (CVD) of ethylene in high vacuum on a well oriented and carefully cleaned Pt(111) crystal surface maintained at high temperature. In-situ…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 E. Cazzanelli , T. Caruso , M. Castriota , A. R. Marino , A. Politano , G. Chiarello , M. Giarola , G. Mariotto

We studied the low temperature (T<130K) growth of Ag on Si(001) and Si(111) flat surfaces prepared by Si homo epitaxy with the aim to achieve thin metallic films. The band structure and morphology of the Ag overlayers have been investigated…

Materials Science · Physics 2009-11-13 V. A. Gasparov , M. Riehl-Chudoba

We demonstrate the epitaxial growth of EuO on GaAs by reactive molecular beam epitaxy. Thin films are grown in an adsorption-controlled regime with the aid of an MgO diffusion barrier. Despite the large lattice mismatch, it is shown that…

Materials Science · Physics 2010-09-22 A. G. Swartz , J. Ciraldo , J. J. I. Wong , Yan Li , Wei Han , Tao Lin , S. Mack , J. Shi , D. D. Awschalom , R. K. Kawakami

We demonstrate the possibility of growing textured La$_{2/3}$Sr$_{1/3}$MnO$_3$ (LSMO) thin films on silicon substrates with magneto-optical and optical properties comparable to high-quality epitaxial layers grown on bulk SrTiO$_3$ (STO).…

The morphology of epitaxial structures formed in solidification of liquid Au films on the Au(110) surface was studied by molecular dynamics simulation based on a many--body interatomic potential. The (1x2) reconstructed and smooth phase at…

mtrl-th · Physics 2009-10-28 G. Bilalbegovic

Polycrystalline {\alpha}-tantalum (110) films deposited on c-plane sapphire substrate by sputtering are used in superconducting qubits nowadays. However, these films always occasionally form other structures, such as {\alpha}-tantalum (111)…

Applied Physics · Physics 2024-05-08 Haolin Jia , Boyi Zhou , Tao Wang , Yanfu Wu , lina Yang , Zengqian Ding , Shuming Li , Kanglin Xiong , Jiagui Feng

Here we systematically explore the use of pulsed laser deposition technique (PLD) to grow three basic oxides that have rocksalt structure but different chemical stability in the ambient atmosphere: NiO (stable), MnO (metastable) and EuO…

Materials Science · Physics 2020-01-08 Alireza Kashir , Hyeon-Woo Jeong , Gil-ho Lee , Pavlo Mikheenko , Yoon Hee Jeong