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We report on the optimization process to synthesize epitaxial thin films of GdTiO3 on SrLaGaO4 substrates by pulsed laser deposition. Optimized films are free of impurity phases and are fully strained. They possess a magnetic Curie…

Strongly Correlated Electrons · Physics 2017-08-30 M. N. Grisolia , F. Y. Bruno , D. Sando , H. J. Zhao , E. Jacquet , X. M. Chen , L. Bellaiche , A. Barthelemy , M. Bibes

Future spintronics requires the realization of thin film of half-metallic ferromagnets having high Curie temperature and 100\% spin polarization at the Fermi level for potential spintronics applications. In this paper, we report the…

Materials Science · Physics 2018-02-08 Varun K. Kushwaha , Jyoti Rani , C. V. Tomy , Ashwin Tulapurkar

Achieving robust ferromagnetism and high conductivity in atomically thin oxide materials is critical for advancing spintronic technologies. Here, we report the growth of a highly conductive and ferromagnetic single monolayer SrRuO3 having a…

Pure rutile Co-doped TiO$_2$ films were fabricated successfully by the conventional pulsed laser deposition technique on silicon substrates from a ceramic target. Under the right fabrication conditions, Co concentration in the films could…

Materials Science · Physics 2009-11-10 Nguyen Hoa Hong , Joe Sakai , W. Prellier , Awatef Hassini

Electronic transport has been investigated for strong spin-orbit coupled perovskite SrIrO3 thin films grown at various substrate temperatures. The electronic transport of the SrIrO3 films is found to be very sensitive to the growth…

Strongly Correlated Electrons · Physics 2015-03-17 Abhijit Biswas , Yoon Hee Jeong

Alternating layers of granular Iron (Fe) and Titanium dioxide (TiO$_{2-\delta}$) were deposited on (100) Lanthanum aluminate (LaAlO$_3$) substrates in low oxygen chamber pressure using a controlled pulsed laser ablation deposition…

Materials Science · Physics 2007-05-23 Soack Dae Yoon , Carmine Vittoria , Vincent G. Harris , Allan Widom

A variety of novel phenomena and functionalities emerge from lowering the dimensionality of materials and enriching the degrees of freedom in modulation. In this work, it is found that the saturation magnetization of LaMnO3 (LMO) films is…

Magnetic skyrmions are topologically-protected spin textures that exhibit fascinating physical behaviors and large potential in highly energy efficient spintronic device applications. The main obstacles so far are that skyrmions have been…

Ferromagnetic properties of In1-xMnxAs thin films were investigated. Room temperature ferromagnetic order was observed in nominally single-phase films with x = 0.01-0.10. Magnetization measurements indicated that these In1-xMnxAs samples…

Materials Science · Physics 2009-11-10 A. J. Blattner , B. W. Wessels

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}…

Materials Science · Physics 2015-07-28 Wei Yuan , Yuelei Zhao , Chi Tang , Tang Su , Qi Song , Jing Shi , Wei Han

Clear evidence of ferromagnetic behavior at temperatures >400 K as well as spin polarization of the charge carriers have been observed in ZnMnO thin films grown on Al2O3 and MgO substrates. The magnetic properties depended on the exact Mn…

In this article, an overview of the fabrication and properties of high quality La0.67Sr0.33MnO3 (LSMO) thin films is given. A high quality LSMO film combines a smooth surface morphology with a large magnetization and a small residual…

Thin films of Ti1-xCoxO2 (x=0 and 0.03) have been prepared on sapphire substrates by spin-on technique starting from metalorganic precursors. When heat treated in air at 550 and 700 C respectively, these films present pure anatase and…

Materials Science · Physics 2009-11-10 R. Suryanarayanan , Vaman Naik , Parasuram Kharel , Punya Talgala , Ratna Naik

We observe remarkably strong room temperature ferromagnetism (~1.5 Bohr Magneton/Mn) in optically transparent Mn(II)-doped indium tin oxide (ITO) films. The nanocrystalline films with average grain size 10-22 nm and thickness 150-350 nm are…

Materials Science · Physics 2009-11-13 Susmita Kundu , Dipten Bhattacharya , Jiten Ghosh , Pintu Das , Prasanta K. Biswas

The ferromagnetic properties of epitaxial La$_{0.5}$Sr$_{0.5}$CoO$_3$ thin films have been studied. The magnetic transition is affected by both strain and finite thickness. We have used a series of films of different thickness and on…

Materials Science · Physics 2009-11-13 Changkun Xie , J. I. Budnick , B. O. Wells , J. C. Woicik

Ferromagnetism is observed at and above room temperature in pulsed laser deposited epitaxial films of Co-doped Ti-based oxide perovskite (La1-xSrxTiO3-d). The system has the characteristics of an intrinsic diluted magnetic semiconductor…

We have investigated the electronic and magnetic properties of perovskite SrRu1-xIrxO3 thin films grown by pulsed laser deposition on atomically-flat (001) SrTiO3 substrates. SrRuO3 has the properties of a ferromagnetic metal with Curie…

Strongly Correlated Electrons · Physics 2015-09-11 Abhijit Biswas , Yong Woo Lee , Yoon Hee Jeong

The Nd0.6Sr0.4MnO3 manganite system exhibits a phase transition from paramagnetic insulating (PMI) to ferromagnetic metallic (FMM) state around its Curie temperature TC = 270 K (bulk). The morphology-driven changes in the kinetically…

Materials Science · Physics 2023-12-25 R S Mrinaleni , E P Amaladass , A T Sathyanarayana , Jegadeesan P , S Amirthapandian , Awadhesh Mani

Thin films of ferrimagnetic Mn$_4$N are candidate materials to host magnetic skyrmions that have demonstrated thermal stability up to 450$^\circ$C. However, there are no experimental reports observing skyrmions in this system. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Chung T. Ma , Timothy Q. Hartnett , Wei Zhou , Prasanna V. Balachandran , S. Joseph Poon

The double perovskite La2NiMnO6 (LNMO) exhibits complex magnetism due to the competition of magnetic interactions that are strongly affected by structural and magnetic inhomogeneities. In this work, we study the effect of oxygen annealing…

Materials Science · Physics 2022-03-15 Jasnamol P. Palakkal , Thorsten Schneider , Lambert Alff