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Related papers: Anomalous Hall effect in NiPt thin films

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We measure the ordinary and the anomalous Hall effect in a set of yttrium iron garnet$|$platinum (YIG$|$Pt) bilayers via magnetization orientation dependent magnetoresistance experiments. Our data show that the presence of the ferrimagnetic…

Ferromagnetism above room temperature was observed in Cr-doped hydrogenated amorphous silicon films deposited by rf magnetron-sputtering. Structure analysis reveals that films are amorphous without any detectable precipitates up to the…

Materials Science · Physics 2009-11-13 Jia-Hsien Yao , Hsiu-Hau Lin , Tsung-Shune Chin

The electrical resistivity, anisotropic magnetoresistance (AMR), and anomalous Hall effect of ferromagnetic Mn5Ge3, Mn5Ge3C0.8, and Mn5Si3C0.8 thin films has been investigated. The data show a behavior characteristic for a ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2014-09-26 Christoph Sürgers , Gerda Fischer , Patrick Winkel , Hilbert v. Löhneysen

We investigated structural, magnetic and electrical properties of sputter deposited Mn-Fe-Ga compounds. The crystallinity of the Mn-Fe-Ga thin films was confirmed using x-ray diffraction. X-ray reflection and atomic force microscopy…

Materials Science · Physics 2016-08-02 Alessia Niesen , Christian Sterwerf , Manuel Glas , Jan-Michael Schmalhorst , Günter Reiss

The rare-earth nickelates (RNiO3) exhibit interesting phenomena such as unusual antiferromagnetic order at wavevector q = (1/2, 0, 1/2) and a tunable insulator-metal transition that are subjects of active research. Here we present…

We describe a detailed study of the structural, magnetic, and magneto-transport properties of single-crystal, n-type, Mn-doped Bi2Te3 thin films grown by molecular beam epitaxy. With increasing Mn concentration, the crystal structure…

Antiferromagnetic Mn$_{3}$Ge with a non-collinear Kagome structures present exciting prospects for exploring Berry curvature driven anomalous Hall effects (AHE). Despite substantial progress in bulk systems, the synthesis of crystalline…

Mesoscale and Nanoscale Physics · Physics 2025-02-05 Indraneel Sinha , Purba Dutta , Nazma Firdosh , Shreyashi Sinha , Nirmal Ganguli , Sujit Manna

Liquid phase epitaxy of an 18 nm thick Yttrium Iron garnet (YIG) film is achieved. Its magnetic properties are investigated in the 100 -- 400 K temperature range, as well as the influence of a 3 nm thick Pt overlayer on them. The saturation…

A single layer ferromagnetic film magnetized in the plane of an ac current flow, exhibits a characteristic Hall voltage with harmonic and second harmonic components, which is attributed to the presence of spin currents with polarization…

Mesoscale and Nanoscale Physics · Physics 2024-05-07 Soumik Aon , Harekrishna Bhunia , Pratap Kumar Pal , Abu Bakkar Miah , Dhananjaya Mahapatra , Anjan Barman , Partha Mitra

We report on non equilibrium field effect in insulating amorphous NbSi thin films having different Nb contents and thicknesses. The hallmark of an electron glass, namely the logarithmic growth of a memory dip in conductance versus gate…

Disordered Systems and Neural Networks · Physics 2020-04-15 J. Delahaye , T. Grenet , C. A Marrache-Kikuchi , V. Humbert , L. Bergé , L. Dumoulin

In order to probe the influence of the surface-induced anisotropy on the impurity spin magnetization, we measure the anomalous Hall effect in thin AuFe films at magnetic fields up to 15 T. The observed suppression of the anomalous Hall…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 E. Seynaeve , K. Temst , F. G. Aliev , C. Van Haesendonck , V. N. Gladilin , V. M. Fomin , J. T. Devreese

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,…

Superconducting compounds of the family Hg-Ba-Ca-Cu-O have been the subject of intense study since the current record-holder for the highest critical temperature of a superconductor belongs to this class of materials. Thin films of the…

Superconductivity · Physics 2009-11-11 H. Richter , I. Puica , W. Lang , M. Peruzzi , J. H. Durrell , H. Sturm , J. D. Pedarnig , D. Baeuerle

Despite a considerable effort aiming at elucidating the nature of ferromagnetism in ZnO-based magnetic semiconductor, its origin still remains debatable. Although the observation of above room temperature ferromagnetism has been reported…

Materials Science · Physics 2009-05-01 M. Tay , Y. H. Wu , G. C. Han , Y. B. Chen , X. P. Pan , S. J. Wang , P. Yang , Y. P. Feng

Non-monotonic dependence of anomalous Hall resistivity on temperature and magnetization, including a sign change, was observed in Fe/Gd bilayers. To understand the intriguing observations, we fabricated the Fe/Gd bilayers and single layers…

Materials Science · Physics 2011-06-01 W. J. Xu , B. Zhang , Z. X. Liu , Z. Wang , W. Li , Z. B. Wu , R. H. Yu , X. X. Zhang

The purpose of this study was to investigate the magnetotransport properties of the Ge(0.743)Pb(0.183)Mn(0.074)Te mixed crystal. The results of magnetization measurements indicated that the compound is a spin-glass-like diluted magnetic…

Magnetic and magnetotransport properties of oriented polycrystalline Pr0.58Ca0.42MnO3 thin films prepared in flowing oxygen and air ambient has been investigated. The magnetic ground state of both the films is a frozen cluster glass. In the…

Materials Science · Physics 2014-08-14 Vasudha Agarwal , P. K. Siwach , G. D. Varma , V. P. S. Awana , A. K. Srivastava , H. K. Singh

(111) NiO epitaxial layers embedded with crystallographically oriented Ni-clusters are grown on c-GaN/Sapphire templates using pulsed laser deposition technique. Structural and magnetic properties of the films are examined by a variety of…

Altermagnets are a promising class of materials for spintronic applications. However, compounds that simultaneously combine the symmetry required to support an anomalous Hall effect with good metallic conductivity and magnetic ordering…

A detailed study of the magnetic and transport properties of Si$_{1-x}$Mn$_x$ ($x\approx 0.35$) films is presented. We observe the anomalous Hall effect (AHE) in these films up to room temperature. The results of the magnetic measurements…