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Related papers: Magnetotransport in ferromagnetic Fe$_2$Ge semimet…

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SiO2/Fe/SiO2 sandwich structure films fabricated by sputtering were studied by varying the Fe layer thickness (t_Fe). The structural and microstructural studies on the samples showed that the Fe layer has grown in nanocrystalline form with…

Materials Science · Physics 2026-01-19 Sudhansu Sekhar Das , M. Senthil Kumar

We demonstrate room temperature ferroelectricity in the epitaxial thin films of magnetoelectric GaFeO3. Piezo-force measurements show a 180o phase shift of piezoresponse upon switching the electric field indicating nanoscale…

Materials Science · Physics 2015-06-15 Somdutta Mukherjee , Amritendu Roy , Sushil Auluck , Rajendra Prasad , Rajeev Gupta , Ashish Garg

The direct growth of semiconductors over metals by molecular beam epitaxy is a difficult task due to the large differences in crystallization energy between these types of materials. This aspect is problematic in the context of spintronics,…

Materials Science · Physics 2018-10-17 Samuel Gaucher , Bernd Jenichen , Jens Herfort

Polycrystalline La$_{2/3}$Sr$_{1/3}$MnO$_{3}$ (LSMO) thin films were synthesized by pulsed laser ablation on single crystal (100) yttria-stabilized zirconia (YSZ) substrates to investigate the mechanism of magneto-transport in a granular…

Strongly Correlated Electrons · Physics 2011-11-03 P. K. Muduli , Gyanendra Singh , R. Sharma , R. C. Budhani

The magnetic, transport, and structural properties of (Ga,Cr)As are reported. Zincblende Ga$_{1-x}$Cr$_{x}$As was grown by low-temperature molecular beam epitaxy (MBE). At low concentrations, x$\sim$0.1, the materials exhibit unusual…

Materials Science · Physics 2009-11-07 A. Dakhama , B. Lakshmi , D. Heiman

We report on magnetoresistance, Hall and magnetization measurements of Fe2VAl1-xSix Heusler compounds for x= 0.005, 0.015, 0.02. There is a systematic change in the temperature coefficient of resistance (TCR) from negative to positive as…

Materials Science · Physics 2015-10-30 E. P. Amaladass , A. T. Satya , Shilpam Sharma , K. Vinod , V. Srinivas , C. S. Sundar , A. Bharathi

The magnetotransport in phase-separated (Ga,Fe)N containing $\gamma$'-Ga$_y$Fe$_{4-y}$N (0\,$<$\,y\,$<$1) nanocrystals (NCs) is studied in the temperature range between 2\,K and 300\,K. The evolution of the resistivity and of the…

Materials Science · Physics 2020-01-08 A. Navarro-Quezada , M. Aiglinger , B. Faina , K. Gas , M. Matzer , Tian Li , R. Adhikari , M. Sawicki , A. Bonanni

In order to investigate the effects of in-plane strain on the superconductivity of FeSe, epitaxial thin films of FeSe were fabricated on CaF$_2$ substrates. The films are compressed along the a-axis and their superconducting transition…

Superconductivity · Physics 2013-10-30 Fuyuki Nabeshima , Yoshinori Imai , Masafumi Hanawa , Ichiro Tsukada , Atsutaka Maeda

We report on the evolution of the average and depth-dependent magnetic order in thin film samples of biaxially stressed and electron-doped EuTiO$_3$ for samples across a doping range $<$0.1 to 7.8 $\times 10^{20}$ cm$^{-3}$. Under an…

Strongly Correlated Electrons · Physics 2020-05-22 Zach Porter , Ryan F. Need , Kaveh Ahadi , Yang Zhao , Zhijun Xu , Brian J. Kirby , Jeffrey W. Lynn , Susanne Stemmer , Stephen D. Wilson

The magnetic and transport properties of Fe-deficient Fe5GeTe2 single crystals (Fe5-xGeTe2 with x~0.3) were studied and the impact of thermal processing was explored. Quenching crystals from the growth temperature has been previously shown…

Materials Science · Physics 2020-04-02 Andrew F. May , Craig A. Bridges , Michael A. McGuire

Fe3O4 (magnetite) is one of the most elusive quantum materials and at the same time one of the most studied transition metal oxide materials for thin film applications. The theoretically expected half-metallic behavior generates high…

Materials Science · Physics 2017-02-01 X. H. Liu , C. F. Chang , A. D. Rata , A. C. Komarek , L. H. Tjeng

We present evidence that electrical transport studies of epitaxial p-type GeMn thin films fabricated on high resistivity Ge substrates are severely influenced by parallel conduction through the substrate, related to the large intrinsic…

Other Condensed Matter · Physics 2011-03-30 N. Sircar , S. Ahlers , C. Majer , G. Abstreiter , D. Bougeard

Electronic transport in monolayer MoS2 is significantly constrained by several extrinsic factors despite showing good prospects as a transistor channel material. Our paper aims to unveil the underlying mechanisms of the electrical and…

Mesoscale and Nanoscale Physics · Physics 2023-12-04 Anup Kumar Mandia , Rohit Kumar , Seung-Cheol Lee , Satadeep Bhattacharjee , Bhaskaran Muralidharan

Fe3GeTe2 is a 2-dimensional van der Waals material exhibiting itinerant ferromagnetism upto 230 K. Here, we study aspects of scattering mechanism in Fe3Ge2Te2 single crystals via resistivity, magneto-transport and Hall effect measurements.…

Strongly Correlated Electrons · Physics 2022-09-09 P. Saha , M. Singh , V. Nagpal , P. Das , S. Patnaik

Among Transition-Metal Dichalcogenides, mono and few-layers thick VSe2 has gained much recent attention following claims of intrinsic room-temperature ferromagnetism in this system, which have nonetheless proved controversial. Here, we…

In this work we show the existence of closure domains in Fe$_{1-x}$Ga$_x$ thin films featuring a striped magnetic pattern and study the effect of the magnetic domain arrangement on the magnetotransport properties. By means of X-ray resonant…

Magnetic doping of topological quantum materials provides an attractive route for studying the effects of time-reversal symmetry breaking. Thus motivated, we explore the introduction of the transition metal Mn into thin films of the Dirac…

Materials Science · Physics 2022-04-28 Run Xiao , Jacob T Held , Jeffrey Rable , Supriya Ghosh , Ke Wang , K. Andre Mkhoyan , Nitin Samarth

Recent works aiming at understanding magnetotransport phenomena in ferromagnetic III-V and II-VI semiconductors are described. Theory of the anomalous Hall effect in p-type magnetic semiconductors is discussed, and the relative role of…

Materials Science · Physics 2007-05-23 Tomasz Dietl , Fumihiro Matsukura , Hideo Ohno , Joel Cibert , David Ferrand

B20 phase magnetic materials, such as FeGe, have been of significant interests in recent years because they enable magnetic skyrmions, which can potentially lead to low energy cost spintronic applications. One major effort in this emerging…

Materials Science · Physics 2017-01-18 J. C. Gallagher , K. Y. Meng , J. T. Brangham , H. L. Wang , B. D. Esser , D. W. McComb , F. Y. Yang

In the quest for two-dimensional conducting materials with high ferromagnetic ordering temperature the new family of the layered Fe$_{n}$GeTe$_{2}$ compounds, especially the near-room-temperature ferromagnet Fe$_{4}$GeTe$_{2}$, receives a…