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We report a comprehensive study of magneto-transport properties in MoSi$_2$ bulk and thin films. Textured MoSi$_2$ thin films of around 70 nm were deposited on silicon substrates with different orientations. Giant magnetoresistance of 1000%…

Materials Science · Physics 2023-07-22 W. Afzal , F. Yun , Z. Li , Z. Yue , W. Zhao , L. Sang , G. Yang , Y. He , G. Peleckis , M. Fuhrer , X. Wang

Systems with flat bands are ideal for studying strongly correlated electronic states and related phenomena. Among them, kagome-structured metals such as CoSn have been recognized as promising candidates due to the proximity between the flat…

The breaking of spatial inversion symmetry in condensed matter gives rise to intriguing physical properties, such as ferroelectricity, piezoelectricity, spin-momentum locking, and nonreciprocal responses. Here we propose that a…

We report on electrical transport properties of epitaxial Ba(Fe1-xNix)2As2 thin films grown by pulsed laser deposition in static magnetic fields up to 35 T. The thin film shows a critical temperature of 17.2 K and a critical current density…

Susceptibility measurements of patterned thin films at sub-K temperatures were carried out using a scanning SQUID microscope that can resolve signals corresponding to a few hundred Bohr magnetons. Several metallic and insulating thin films,…

Mesoscale and Nanoscale Physics · Physics 2009-07-28 Hendrik Bluhm , Julie A. Bert , Nicholas C. Koshnick , Martin E. Huber , Kathryn A. Moler

Ferroelectric (Fe) materials-based devices show great promise for non-volatile memory applications, yet few demonstrate reliable operation at elevated temperatures. In this work, we demonstrate Ni/Al0.68Sc0.32N/4H-SiC…

A major challenge for the next generation of spintronics devices is the implementation of ferromagnetic-semiconductor thin films as spin injectors and detectors. Spin-polarised carrier injection cannot be accomplished efficiently from…

Materials Science · Physics 2010-05-03 F. Natali , N. O. V. Plank , B. J. Ruck , H. J. Trodahl , F. Semond , S. Sorieul , L. Hirsch

Based on high throughput density functional theory calculations, we performed systematic screening for spin-gapless semiconductors (SGSs) in quaternary Heusler alloys XX 0 YZ (X, X 0 , and Y are transition metal elements without Tc, and Z…

Materials Science · Physics 2019-03-06 Qiang Gao , Ingo Opahle , Hongbin Zhang

Tuning functional properties of thin caloric films by mechanical stress is currently of high interest. In particular, a controllable magnetisation or transition temperature is desired for improved usability in magnetocaloric devices. Here,…

Electronic transport and magnetic properties of Ge1-xMnx/Ge(100) films are investigated as a function of Mn dilution. Depending on x, characteristic temperatures separate different regimes in both properties. Resistivity exhibits an…

Materials Science · Physics 2007-05-23 N. Pinto , L. Morresi , M. Ficcadenti , R. Murri , F. D'Orazio , F. Lucari , L. Boarino , G. Amato

Biaxially textured LuNi2BC thin films with Tc up to 15.8 K and a residual resistivity ratio up to 15 have been prepared. The films were deposited on MgO(110) substrates using pulsed laser deposition from a stoichiometric target. Via the…

Superconductivity · Physics 2016-09-08 T. Niemeier , R. Hühne , A. Köhler , G. Behr , L. Schultz , B. Holzapfel

We have grown (InyGa1-y)1-xMnxAs ferromagnetic semiconductor layers with Mn composition x up to 0.13 on InP substrates by molecular beam epitaxy. Near the lattice-matched composition, i.e., y ~ 0.53, the Curie temperature increases linearly…

Materials Science · Physics 2009-11-07 T. Slupinski , H. Munekata , A. Oiwa

Two-dimensional (2D) ferromagnetic materials have been exhibiting promising potential in applications, such as spintronics devices. To grow epitaxial magnetic films on silicon substrate, in the single-layer limit, is practically important…

Materials Science · Physics 2020-08-26 Qian-Qian Yuan , Zhaopeng Guo , Zhi-Qiang Shi , Hui Zhao , Zhen-Yu Jia , Qianjin Wang , Jian Sun , Di Wu , Shao-Chun Li

Cobalt ferrite ultrathin films with inverse spinel structure are among the best candidates for spin-filtering at room temperature. We have fabricated high-quality epitaxial ultrathin CoFe2O4 layers on Ag(001) following a three-step method:…

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

FeSe$_{1-x}$Te$_{x}$ thin films with PbO-type structure are successfully grown on MgO(100) and LaSrAlO$_{4}$(001) substrates from FeSe$_{1-x}$Te$_{x+d}$ polycrystalline targets by pulsed-laser deposition. The film deposited on the MgO…

Superconductivity · Physics 2009-08-11 Yoshinori Imai , Ryo Tanaka , Takanori Akiike , Masafumi Hanawa , Ichiro Tsukada , Atsutaka Maeda

Half-Heusler alloys have emerged as promising candidates for novel spintronic applications due to their exceptional properties including the high Curie temperature (TC) above room temperature and large anomalous Hall conductivity (AHC). In…

Materials Science · Physics 2025-08-28 Hong-Xue Jiang , Jia-wan Li , Shi-Bo Zhao , Jie Wang , Yusheng Hou

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

Thin films of magnetite (Fe3O4) are grown on single crystal GaAs (100) substrate by pulsed laser deposition. X ray diffraction (XRD) result shows the (111) preferred orientation of the Fe3O4 film and x-ray photoelectron spectroscopy confirm…

Materials Science · Physics 2009-12-08 Ram Prakash , R. J. Choudhary , L. S. Sharath Chandra , N. Lakshmi , D. M. Phase

IV-VI diluted magnetic semiconductor Ge1-xCrxTe layers up to x=0.1 were grown on SrF2 substrates by molecular beam epitaxy. In site reflection high-energy electron diffraction shows a streaky pattern with sixfold symmetry in the plane for…

Materials Science · Physics 2016-03-01 Y. Fukuma , H. Asada , S. Senba , T. Koyanagi