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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

We review pitfalls in recent efforts to make a conventional semiconductor, namely ZnO, ferromagnetic by means of doping with transition metal ions. Since the solubility of those elements is rather low, formation of secondary phases and the…

Materials Science · Physics 2009-08-06 Kay Potzger , Shengqiang Zhou

We have investigated the magnetic-field-induced phase transition of charge-ordered (CO) Pr$_{0.5}$Ca$_{0.5}$MnO$_3$ thin films, deposited onto (100)-oriented LaAlO$_3$ and (100)-oriented SrTiO$_3$ substrates using the pulsed laser…

Materials Science · Physics 2009-11-07 W. Prellier , E. Rauwel Buzin , S. de Brion , G. Chouteau , Ch. Simon , B. Mercey nd M. Hervieu

Room temperature ferromagnetism was observed in n-type Fe-doped In2O3 thin films deposited on c-cut sapphire substrates by pulsed laser deposition. Structure, magnetism, composition, and transport studies indicated that Fe occupied the In…

Materials Science · Physics 2015-05-13 Xiao-Hong Xu , Feng-Xian Jiang , Jun Zhang , Xiao-Chen Fan , Hai-Shun Wu , G. A. Gehring

Varying the substrate temperature changes structural and magnetic properties of spinel ferrite NZFO thin films. XRD of films grown at different temperature display only 004 reflections, without any secondary peaks, showing growth…

Materials Science · Physics 2018-07-02 Dhiren K. Pradhan , Shalini Kumari , Dillip K. Pradhan , Ashok Kumar , Ram S. Katiyar , R. E. Cohen

In this study we explore, both from theoretical and experimental side, the effect of Fe doping in ZrO2 (ZrO2:Fe). By means of first principles simulation we study the magnetization density and the magnetic interaction between Fe atoms. We…

Electric and magnetic properties of a high temperature ferromagnetic oxide semiconductor, cobalt-doped rutile TiO2, are summarized. The cobalt-doped rutile TiO2 epitaxial thin films with different electron densities and cobalt contents were…

Materials Science · Physics 2009-11-13 T Fukumura , H Toyosaki , K Ueno , M Nakano , M Kawasaki

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)…

Materials Science · Physics 2015-05-19 A. Geddo Lehmann , F. Congiu , N. Lampis , F. Miletto Granozio , P. Perna , M. Radovic , U. Scotti di Uccio

We report the deposition of thin Co$_2$FeSi films by RF magnetron sputtering. Epitaxial (100)-oriented and L2$_1$ ordered growth is observed for films grown on MgO(100) substrates. (110)-oriented films on Al$_2$O$_3$(110) show several…

Materials Science · Physics 2007-05-23 H. Schneider , Ch. Herbort , G. Jakob , H. Adrian , S. Wurmehl , C. Felser

Using the first-principles density-functional theory plan-wave pseudopotential method, we investigate the structure and magnetism in 25% Mn substitutive and interstitial doped monoclinic, tetragonal and cubic ZrO2 systematically. Our…

Materials Science · Physics 2015-05-13 Xingtao Jia , Wei Yang , Minghui Qin , Jianping Li

Ferromagnetic insulator Pr0.8Ca0.2Mn1-yCoyO3 (0 <= y <= 0.7) thin films were epitaxially grown on (LaAlO3)0.3-(SrAl0.5Ta0.5O3)0.7 (100) substrates by pulsed laser deposition. To probe the ferromagnetic insulator state of hole-doped…

Materials Science · Physics 2015-05-19 T. Harada , I. Ohkubo , M. Lippmaa , Y. Matsumoto , M. Sumiya , H. Koinuma , M. Oshima

Pulsed laser deposited films of Co doped anatase TiO2 are examined for Co substitutionality, ferromagnetism, transport, magnetotransport and optical properties. Our results show limited solubility (up to ~ 2 %) of Co in the as-grown films…

We report the crystal structure and magnetic properties of Zn1-xCoxO nanoparticles synthesized by heating metal acetates in organic solvent. The nanoparticles were crystallized in wurtzite ZnO structure after annealing in air and in a…

Materials Science · Physics 2007-05-23 M. Naeem , S. K. Hasanain , M. Kobayashi , Y. Ishida , A. Fujimori , Scott Buzby , S. Ismat Shah

The structural and magnetic properties of Zn/Al doped nickel ferrite thin films can be adjusted by changing the Zn and Al content. The films are epitaxially grown by reactive magnetron sputtering using a triple cluster system to sputter…

Materials Science · Physics 2022-04-27 Julia Lumetzberger , Verena Ney , Anna Zhakarova , Daniel Primetzhofer , Kilian Lenz , Andreas Ney

Antiperovskite nitrides with the general formula M$_3$N have attracted significant attention due to their tunable electronic and magnetic properties. Among them are many cobalt-based compounds predicted to exhibit high thermodynamic…

Growth of Co film on SiO2 substrates with the surface roughness of 0.5 nm and 1.6 nm has been studied in situ using the magneto-optical Kerr effect (MOKE) and four probe resistivity measurements. In-situ measurements jointly suggest the…

Materials Science · Physics 2023-02-02 Anup Kumar Bera , Pooja Gupta , Debi Garai , Ajay Gupta Dileep Kumar

We demonstrate that room temperature ferromagnetic response (RT FR) of ZnCoO films grown at low temperature by the Atomic layer Deposition (ALD) method is due to Co metal accumulations at the ZnCoO/substrate interface region. The…

Controlling magnetism by using electric fields is a goal of research towards novel spintronic devices and future nano-electronics. For this reason, multiferroic heterostructures attract much interest. Here we provide experimental evidence,…

Bulk magnetization in Pr_{0.6}Ca_{0.4}MnO_3 thin films with tensile (SrTiO_3) and compressive (LaAlO_3) substrate-induced strain is compared to the magnetooptical Kerr effect (MOKE) measurements. In the absence of an external magnetic…

Strongly Correlated Electrons · Physics 2009-11-13 T. Mertelj , R. Yusupov , M. Filippi , W. Prellier , D. Mihailovic

Co2FeAl (CFA) thin films with thickness varying from 10 nm to 115 nm have been deposited on MgO(001) substrates by magnetron sputtering and then capped by Ta or Cr layer. X-rays diffraction (XRD) revealed that the cubic $[001]$ CFA axis is…

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