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We report on the structural properties of epitaxial FeO layers grown by molecular beam epitaxy on MgO(111). The successful stabilization of polar FeO films as thick as 16 monolayers (ML), obtained by deposition and subsequent oxidation of…

材料科学 · 物理学 2015-06-03 Jacek Gurgul , Ewa Młyńczak , Nika Spiridis , Józef Korecki

Ultrathin iron oxide films epitaxially grown on the (111)- and (0001)-oriented metal single crystal supports exhibit unique electronic, catalytic and magnetic properties not observed for the corresponding bulk oxides. These properties…

介观与纳米尺度物理 · 物理学 2021-05-05 M. Lewandowski , T. Pabisiak , N. Michalak , Z. Miłosz , V. Babačić , Y. Wang , M. Hermanowicz , K. Palotás , S. Jurga , A. Kiejna , R. Wiesendanger

CoFe2O4 thin films (5 nm and 20 nm thick) were grown by oxygen assisted molecular beam epitaxy on Pt(111) at 523~K and subsequently annealed at 773 K in vacuum or oxygen. They were characterized in-situ using Auger Electron Spectroscopy,…

High quality stoichiometric magnetite (Fe3O4) films grown by infrared pulsed laser deposition (IR-PLD) on different surfaces were investigated in order to study the influence of the substrate, orientation, and thickness on their magnetic…

The growth and characterization of epitaxial Co3O4(111) films grown by oxygen plasma-assisted molecular beam epitaxy on single crystalline a-Al2O3(0001) is reported. The Co3O4(111) grows single crystalline with the epitaxial relation…

材料科学 · 物理学 2010-03-09 C. A. F. Vaz , V. E. Henrich , C. H. Ahn , E. I. Altman

Self assembly on suitably chosen substrates is a well exploited root to control the structure and morphology, hence magnetization, of metal films. In particular, the Cu3Au(001) surface has been recently singled out as a good template to…

材料科学 · 物理学 2009-11-07 A. Verdini , L. Floreano , F. Bruno , D. Cvetko , A. Morgante , F. Bisio , S. Terreni , M. Canepa

Thin films of Fe(1+delta)Se(1-x)Te(x) (delta ~ 0.18 & x ~ 0.5) have been successfully grown on (100) oriented single crystalline SrTiO3 and LaAlO3 substrates by pulsed laser deposition. The crystal structure was characterized by x-ray…

Magnetite thin fims have been grown epitaxially on ZnO and MgO substrates using molecular beam epitaxy. The film quality was found to be strongly dependent on the oxygen partial pressure during growth. Structural, electronic, and magnetic…

NiFe$_2$O$_4$ thin films with varying thickness were grown on SrTiO$_3$(001) by reactive molecular beam epitaxy. Soft and hard x-ray photoelectron spectroscopy measurements reveal a homogeneous cation distribution throughout the whole film…

材料科学 · 物理学 2020-07-01 J. Rodewald , J. Thien , K. Ruwisch , F. Bertram , K. Kuepper , J. Wollschläger

The structural and magnetic properties of ultrathin FeO(111) films on Pt(111) with thicknesses from 1 to 16 monolayers (ML) were studied using the nuclear inelastic scattering (NIS) of synchrotron radiation. Distinct evolution of…

Epitaxial (001)-, (118)-, and (104)-oriented Nd-doped Bi4Ti3O12 films have been grown by pulsed-laser deposition from a Bi4-xNdxTi3O12 (x=0.85) target on SrRuO3 coated single-crystal (100)-, (110)-, and (111)-oriented SrTiO3 substrates,…

材料科学 · 物理学 2011-11-09 A. Garg , A. Snedden , P. Lightfoot , M. Dawber , J. F. Scott , Z. H. Barber

A growth diagram of Lu-Fe-O compounds on MgO (111) substrates using pulsed laser deposition is constructed based on extensive growth experiments. The LuFe$_2$O$_4$ phase can only be grown in a small range of temperature and O$_2$ pressure…

We report pulsed laser deposition synthesis and characterization of polycrystalline Fe1-xCox Si thin films on Si (111). X-ray diffraction, transmission electron, and atomic force microscopies reveal films to be dense, very smooth, and…

A cluster deposition method was used to produce films of loosely aggregated nanoclusters (NC) of Fe core-Fe3O4 shell or fully oxidized Fe3O4. Films of these NC on Si(100) or MgO(100)/Fe3O4(100) were irradiated to 10^16 Si2+/cm2 near room…

Nanostructured Pd-Fe thin films with varied Fe content were prepared by electrodeposition technique from organic electrolytes on Cu and brass substrates. The structure and the magnetic properties of the films were investigated prior to…

We report the growth of undoped and Fe (2 and 5 at. percentage) doped molybdenum oxide thin films on c-plane of sapphire substrate using pulsed laser ablation. X-ray diffraction results show that the films are oriented in (100) direction…

材料科学 · 物理学 2009-12-08 Ram Prakash , D. M. Phase , R. J. Choudhary , Ravi Kumar

We studied the ferroelectric and ferromagnetic properties of compressive strained and unstrained BiMnO3 thin films grown by rf-magnetron sputtering. BiMnO3 samples exhibit a 2D cube-on-cube growth mode and a pseudo-cubic struc-ture up to a…

材料科学 · 物理学 2013-06-06 G. M. De Luca , D. Preziosi , F. Chiarella , R. Di Capua , S. Gariglio , S. Lettieri , M. Salluzzo

MnGe has been grown as a thin film on Si(111) substrates by molecular beam epitaxy. A 10 \AA\ layer of MnSi was used as seedlayer in order to establish the B20 crystal structure. Films of a thickness between 45 and 135 \AA\ have been…

材料科学 · 物理学 2015-06-16 Josefin Engelke , Dirk Menzel , Vadim Dyadkin

Iron(II) monoxide (FeO) is thermodynamically stable in the halite (w\"ustite) structure only at elevated temperatures in a typically non-stoichiometric, Fe-deficient, Fe$_{1-z}$O form that tends to phase separate and/or transform into…

We studied the structural and magnetic properties of \textit{in-situ} grown iron mononitride (FeN) thin films. Initial stages of film growth were trapped utilizing synchrotron based soft x-ray absorption near edge spectroscopy (XANES) at…

材料科学 · 物理学 2019-02-12 Mukul Gupta , Nidhi Pandey , Niti , V. R. Reddy , D. M. Phase , Kai Schlage , Hans-Christian Wille , Ajay Gupta
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