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Related papers: LaCrO3 heteroepitaxy on SrTiO3(001) by molecular b…

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The functional properties of devices based on perovskite oxides depend strongly on the growth modes that dramatically affect surface morphology and microstructure of the hetero-structured thin films. To achieve atomically flat surface…

Materials Science · Physics 2017-10-10 Bora Kim , Sang A Lee , Daehee Seol , Woo Seok Choi , Yunseok Kim

The growth of atomically-flat thin films of ferroelectric PbTiO3 on SrTiO3 substrates, using molecular beam epitaxy, is reported. The main issue in the growth of these materials is the high volatility of lead. This can be largely overcome…

Materials Science · Physics 2007-05-23 Gijsbert Rispens , Beatriz Noheda

While structure refinement is routinely achieved for simple bulk materials, the accurate structural determination still poses challenges for thin films due on the one hand to the small amount of material deposited on the thicker substrate…

Chromia (Cr2O3) has been extensively explored for the purpose of developing widespread industrial applications, owing to the convergence of a variety of mechanical, physical and chemical properties in one single oxide material. Various…

Materials Science · Physics 2012-12-06 P. M. Sousa , A. J. Silvestre , O. Conde

Homogeneous highly epitaxial LaSrMnO3 (LSMO) thin films have been grown on Yttria-stabilized-Zirconia (YsZ) / CeO2 buffer layers on technological relevant 4" silicon wafers using a Twente Solid State Technology B.V. (TSST) developed large…

We report the successful growth of tetragonal FeS film with one or two unit-cell (UC) thickness on SrTiO3(001) substrate by molecular beam epitaxy. Large lattice constant mismatch with the substrate leads to high density of defects in…

Superconductivity · Physics 2017-09-27 Kun Zhao , Haicheng Lin , Wantong Huang , Xiaopeng Hu , Xi Chen , Qi-Kun Xue , Shuai-Hua Ji

BiFeO3 thin films with various thicknesses were grown epitaxially on (001) LaSrAlO4 single crystal substrates using pulsed laser deposition. High resolution x-ray diffraction measurements revealed that a tetragonal-like phase with c-lattice…

Materials Science · Physics 2011-01-10 Zuhuang Chen , Lu You , Chuanwei Huang , Yajun Qi , Junling Wang , Thirumany Sritharan , Lang Chen

We report the growth of ultrathin VO$_{2}$ films on rutile TiO$_{2}$ (001) substrates via reactive molecular-beam epitaxy. The films were formed by the cyclical deposition of amorphous vanadium and its subsequent oxidation and…

We demonstrate that SrRuO3 and CaRuO3 thin films undergo a room temperature structural phase transition driven by the substrate imposed epitaxial biaxial strain. As tensile strain increases, ARuO3 (A=Ca, Sr) films transform from the…

Materials Science · Physics 2009-11-13 Arturas Vailionis , Wolter Siemons , Gertjan Koster

We report the successful growth of high-quality SrO films on highly-ordered pyrolytic graphite (HOPG) and single-layer graphene by molecular beam epitaxy. The SrO layers have (001) orientation as confirmed by x-ray diffraction (XRD) while…

Materials Science · Physics 2016-06-22 Adam Ahmed , Hua Wen , Taisuke Ohta , Igor Pinchuk , Tiancong Zhu , Thomas Beechem , Roland Kawakami

We investigate the complex relationship between the growth conditions and the structural and transport properties of $\mathrm{Ti_xO_y}$ thin films grown by molecular beam epitaxy. Transport properties ranging from metallicity to…

A uniform one-unit-cell-high step on the SrTiO3 substrate is a prerequisite for growing high-quality epitaxial oxide heterostructures. However, it is inevitable that defects induced by mixed substrate surface termination exist at the…

Orientation, structure and morphology in the early growth stages of CuO films on strontium titanate were studied by synchrotron radiation X-ray diffraction. Nanostructured CuO films were obtained by ex situ heat treatment at 970 K in oxygen…

Oxygen loss is one of the common defect types in perovskite oxides whose formation can be caused by a low oxygen background pressure during growth or by straining the thin film. Crystalline BaBiO3-{\delta} thin films are grown by molecular…

Thin films of optimally-doped (001)-oriented YBa2Cu3O7-{\delta} are epitaxially integrated on silicon (001) through growth on a single crystalline SrTiO3 buffer. The former is grown using pulsed-laser deposition and the latter is grown on…

Superconductivity · Physics 2017-10-25 K. Ahmadi-Majlan , H. Zhang , X. Shen , M. J. Moghadam , M. Chrysler , P. Conlin , R. Hensley , D. Su , J. Y. T. Wei , J. H. Ngai

Hybrid oxide molecular beam epitaxy (hMBE), a thin-film deposition technique in which transition metal cations are delivered using a metal-organic precursor, has emerged as the state-of-the-art approach to the synthesis of electronic-grade…

We report on the growth of epitaxial Sr2RuO4 films using a hybrid molecular beam epitaxy approach in which a volatile precursor containing RuO4 is used to supply ruthenium and oxygen. The use of the precursor overcomes a number of issues…

Materials Science · Physics 2017-10-05 Patrick B. Marshall , Honggyu Kim , Kaveh Ahadi , Susanne Stemmer

We investigated the effects of annealing on LaMnO$_3$ epitaxial thin films grown by pulsed laser deposition and propose an efficient method of characterizing their stoichiometry. Structural, magnetic, and optical properties coherently…

Strongly Correlated Electrons · Physics 2010-03-29 W S Choi , Z Marton , S Y Jang , S J Moon , B C Jeon , J H Shin , S S A Seo , T W Noh , K Myung-Whun , H N Lee , Y S Lee

The stoichiometric "111" iron-based superconductor, LiFeAs, has attacted great research interest in recent years. For the first time, we have successfully grown LiFeAs thin film by molecular beam epitaxy (MBE) on SrTiO3(001) substrate, and…

Materials Science · Physics 2015-03-12 Kai Chang , Peng Deng , Teng Zhang , Hai-Cheng Lin , Kun Zhao , Shuai-Hua Ji , Lili Wang , Ke He , Xu-Cun Ma , Xi Chen , Qi-Kun Xue

High-index Bi2Se3(221) film has been grown on In2Se3-buffered GaAs(001), in which a much retarded strain relaxation dynamics is recorded. The slow strain-relaxation process of in epitaxial Bi2Se3(221) can be attributed to the layered…

Materials Science · Physics 2017-01-04 B. Li , W. G. Chen , X. Guo , W. K. Ho , X. Q. Dai , J. F. Jia , M. H. Xie