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REBa$_{2}$Cu$_{3}$O$_{x}$ films can achieve remarkably high critical current density values by the incorporation of insulating nanoparticles. A particular interesting case concerns BaZrO$_{3}$ (BZO) nanorods, whose strongly correlated…

Superconductivity · Physics 2015-06-03 A. Xu , V. Braccini , J. Jaroszynski , Y. Xin , D. C. Larbalestier

We report on the magnetic properties of zinc ferrite thin film deposited on SrTiO$_3$ single crystal using pulsed laser deposition. X-ray diffraction result indicates the highly oriented single phase growth of the film along with the…

Materials Science · Physics 2017-02-21 Yogesh Kumar , Israel Lorite , Michael Lorenz , Pablo D. Esquinazi , Marius Grundmann

Mn$_2$VAl Heusler alloy films were epitaxially grown on MgO(100) single crystal substrates by means of ultra-high-vacuum magnetron sputtering. A2 and L2$_1$ type Mn$_2$VAl order was controlled by the deposition temperatures. A2-type…

Ta (100 nm) / NdFeB (5 $\mu$m) / Ta (100 nm) films have been deposited onto Si substrates using triode sputtering (deposition rate ~ 18 $\mu$m/h). A 2-step procedure was used : deposition at temperatures up to 400 C followed by ex-situ…

Materials Science · Physics 2009-11-13 Arnaud Walther , Kirill Khlopkov , Oliver Gutfleisch , Dominique Givord , Nora M. Dempsey

By means of photoemission and x-ray absorption spectroscopy, we have studied the electronic structure of (Ni,Zn,Fe,Ti)$_{3}$O$_{4}$ thin films, which exhibits a cluster glass behavior with a spin-freezing temperature $T_f$ of $\sim 230$ K…

Magnetic coupling between Ni_{81}Fe_{19} double thin films separated by an insulating SiO_{2} spacer layer is investigated with structural measurements, cross sectional imaging, magnetization measurements (BH loop) and transport under the…

Materials Science · Physics 2009-11-07 J. Gieraltowski , C. Tannous

Recent demonstrations of electrical detection and manipulation of antiferromagnets (AFMs) have opened new opportunities towards robust and ultrafast spintronics devices. However, it is difficult to establish the connection between the…

Nanocrystals of indium oxide (In$_2$O$_3$) with sizes below 10 nm were prepared in alumina matrixes by using a co-pulverization method. The used substrates such as borosilicate glasses or (100) silicon as well as the substrate temperatures…

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…

Materials Science · Physics 2016-11-24 A. S. Bhattacharyya , S. K. Mishra

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…

The advance of magnetic nanotechnologies relies on detailed understanding of nanoscale magnetic mechanisms in materials. Magnetic domain memory (MDM), i.e., the tendency for magnetic domains to repeat the same pattern during field-cycling,…

Mesoscale and Nanoscale Physics · Physics 2020-07-10 Karine Chesnel , Alex Safsten , Matthew Rytting , Eric E. Fullerton

We fabricated superconducting MgB2 thin films on (001) MgO substrates. The samples were prepared by magnetron rf and dc co-sputtering on heated substrates. They were annealed ex-situ for one hour at temperatures between 450{\deg}C and…

Superconductivity · Physics 2010-10-27 Savio Fabretti , Patrick Thomas , Markus Meinert , Andy Thomas

Two-dimensional (2D) nanoparticle films are a new class of materials with interesting physical properties and applications ranging from nanoelectronics to sensing and photonics. The importance of conducting nanoparticle films makes the…

Materials Science · Physics 2022-04-12 Lianhua Zhang , Jian Chen , Fei Liu , Zhengyang Du , Yilun Jiang , Min Han , Guanghou Wang

In this work, the results of fabricating ultra thin VO$_2$ films on the technologically relevant amorphous SiO$_2$ surface using reactive DC magnetron sputtering are presented. Results indicate that a post deposition anneal in low partial…

Materials Science · Physics 2016-08-16 Fangfang Song , B. E. White

Variable temperature scanning tunneling microscopy/spectroscopy studies on (110) oriented epitaxial thin films of La$_{0.350}$Pr$_{0.275}$Ca$_{0.375}$MnO$_3$ are reported in the temperature range of 77 to 340 K. The films, grown on lattice…

Strongly Correlated Electrons · Physics 2009-11-13 Udai Raj Singh , S. Chaudhuri , Shyam K. Choudhary , R. C. Budhani , Anjan K. Gupta

We present Nb thin films deposited in-situ on GaAs by combining molecular beam epitaxy and magnetron sputtering within an ultra-high vacuum cluster. Nb films deposited at varying power, and a reference film from a commercial system, are…

We fabricated NiFe2O thin films on MgAl2O4 (001) substrates by reactive dc magnetron co-sputtering in a pure oxygen atmosphere at different substrate temperatures. The film properties were investigated by various techniques with a focus on…

We report the direct observation of superconductivity in nitridized-aluminum thin films. The films are produced by sputtering deposition of aluminum in a controlled mixture of nitrogen diluted in argon. The concentration of applied nitrogen…

Thin films of Sm0.5Ca0.5MnO3 manganites with charge ordering (CO) properties and colossal magnetoresistance were synthesized by pulsed laser deposition technique on (100)-SrTiO3 and (100)-LaAlO3 substrates. We first compare the structural…

Materials Science · Physics 2015-06-25 E. Rauwel , W. Prellier , B. Mercey , S. de Brion , G. Chouteau

This investigation deals with the effect of annealing temperature on the structural, topographical and optical properties of Zinc Oxide thin films prepared by sol gel method. The structural properties were studied using X-ray diffraction…

Applied Physics · Physics 2019-08-19 Joydip Sengupta , R. K. Sahoo , K. K. Bardhan , C. D. Mukherjee
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