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Pulsed-laser deposition has been used to grow epitaxial thin films of the giant-dielectric-constant material CaCu_3Ti_4O_{12} on LaAlO_3 and SrTiO_3 substrates with or without various conducting buffer layers. The latter include…

材料科学 · 物理学 2009-11-07 W. Si , E. M. Cruz , P. D. Johnson , P. W. Barnes , P. Woodward , A. P. Ramirez

Non-centrosymmetric magnetic materials are a promising platform for stabilizing chiral spin textures, such as skyrmions and cycloidal magnetic states. This is particularly true in epitaxial thin film geometries, where strain and interface…

Atomically flat, epitaxial, and stoichiometric thin films of the electronically phase separated compound (La$_{0.5}$Pr$_{0.5}$)$_{0.67}$Ca$_{0.33}$MnO$_{3}$ were grown on as-received and treated NdGaO$_{3}$ substrates by fine tuning of…

材料科学 · 物理学 2011-09-16 Hyoungjeen Jeen , Rafiya Javed , Amlan Biswas

We grow epitaxial Sm-Co thin films by sputter deposition from an alloy target with a nominal SmCo5 composition on Cr(100)-buffered MgO(100) single-crystal substrates. By varying the Ar gas pressure, we can change the composition of the film…

材料科学 · 物理学 2015-04-23 T. G. A. Verhagen , D. B. Boltje , J. M. van Ruitenbeek , J. Aarts

We present a study of the synthesis of epitaxial V$_2$O$_3$ films on $c$-plane Al$_2$O$_3$ substrates by reactive dc-magnetron sputtering. The results reveal a temperature window, at substantially lower values than previously reported,…

We report on the synthesis of high quality La$_{1/3}$Sr$_{2/3}$FeO$_3$ (LSFO) thin films using the pulsed laser deposition technique on both SrTiO$_3$ (STO) and LaAlO$_3$ (LAO) substrates (100)-oriented. From X-Ray diffraction (XRD)…

材料科学 · 物理学 2009-11-07 W. Prellier , B. Mercey

An experimental study was conducted on controlling the growth mode of La0.7Sr0.3MnO3 thin films on SrTiO3 substrates using pulsed laser deposition (PLD) by tuning growth temperature, pressure and laser fluence. Different thin film…

La0.7Sr0.3MnO3 (LSMO) films with extraordinarily wide atomic terraces are epitaxially grown on SrTiO3 (100) substrates by pulsed laser deposition. Atomic force microscopy measurements on the LSMO films show that the atomic step is ~ 4 {\AA}…

材料科学 · 物理学 2015-07-28 Wei Yuan , Yuelei Zhao , Chi Tang , Tang Su , Qi Song , Jing Shi , Wei Han

We report on epitaxial growth in thin-film synthesis of a polar magnetic semiconductor AgCrSe2 on lattice-matched yttria-stabilized zirconia (111) substrate by pulsed-layer deposition (PLD). By using Ag-rich PLD target to compensate for Ag…

Raman studies of nanocomposite SiCN thin film by sputtering showed that with an increase of substrate temperature from room temperature to 500oC, a transition from mostly sp2 graphitic phase to sp3 carbon took place which was observed from…

材料科学 · 物理学 2016-11-24 A. S. Bhattacharyya , S. K. Mishra

We grew thin films of a heavy fermion chiral magnet YbNi$_3$Al$_9$ by using molecular beam epitaxy. They were grown on $c$-plane sapphire substrates under ultra-high vacuum while maintaining a deposition rate at a stoichiometric ratio among…

We report the physical properties of Co$_2$CrAl Heusler alloy epitaxial thin films grown on single crystalline MgO(001) substrate using pulsed laser deposition technique. The x-ray diffraction pattern in $\theta$-2$\theta$ mode showed the…

材料科学 · 物理学 2022-08-10 Guru Dutt Gupt , Rajendra S. Dhaka

Thin films of Co2MnSi have been grown on a-plane sapphire substrates from three elemental targets by dc magnetron co-sputtering. These films are single phase, have a strong (110) texture and a saturation magnetization of 4.95 uB/formula…

材料科学 · 物理学 2009-11-10 L. J. Singh , Z. H. Barber , Y. Miyoshi , Y. Bugoslavsky , W. R. Branford , L. F. Cohen

Non-collinear antiferromagnet Weyl semimetal $Mn_3Sn$ have attracted great research interest recently. Although large anomalous Hall effect, anomalous Nernst effect and magneto-optical effect have been observed in $Mn_3Sn$, most studies are…

50nm thick nanogranular polycrystalline dysprosium thin films have been prepared via ultra-high vacuum DC sputtering on SiO2 and Si wafers. The maximum in-plane spontaneous magnetization at T = 4K was found to be MS4K = 3.28T for samples…

材料科学 · 物理学 2015-06-12 G. Scheunert , W. R. Hendren , A. A. Lapicki , R. Hardeman , M. Gubbins , R. M. Bowman

In order to analyse the effect of strain on the magnetic properties of narrow-band manganites, the temperature and field dependent susceptibilities of about 8.5 nm thick epitaxial Pr0.7Ca0.3MnO3 films, respectively grown on (001) and (110)…

Thin films of polycrystalline $\beta$-Mn structure CoZn have been grown on thermally oxidized Si substrates by co-sputtering from elemental targets followed by annealing. A range of films grown with variable Co deposition power and fixed Zn…

材料科学 · 物理学 2023-11-20 M. Dearg , G. Burnell , S. Langridge , C. H. Marrows

We investigate the structure and magnetic properties of thin films of the LaCoO$_{3}$ compound. Thin films are deposited by pulsed laser deposition on various substrates in order to tune the strain from compressive to tensile. Single-phase…

强关联电子 · 物理学 2015-05-18 A. D. Rata , A. Herklotz , L. Schultz , K. Doerr

During the growth of metal thin films on dielectric substrates at a given deposition temperature T, the film's morphology is conditioned by the magnitude and asymmetry of up- and downhill diffusion. Any severe change of this mechanism leads…

介观与纳米尺度物理 · 物理学 2013-04-17 Henning Galinski , Thomas Ryll , Philipp Reibisch , Lukas Schlagenhauf , Iwan Schenker , Ludwig J. Gauckler

Room temperature ferromagnetic semiconductor rutile Ti1-xCoxO2-\delta (101) epitaxial thin films were grown on r-sapphire substrates by a dc sputtering method. Ferromagnetic magnetization, magnetic circular dichroism, and anomalous Hall…

材料科学 · 物理学 2008-11-04 Takashi Yamasaki , Tomoteru Fukumura , Masaki Nakano , Kazunori Ueno , Masashi Kawasaki