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Related papers: Magnetism of NiMn2O4-Fe3O4 Spinel Interfaces

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The Fe$_3$O$_4$/Si films are considered to be promising materials for THz spintronic applications due to their high temperature magnetic transition and semiconducting properties. In this article, we present the real part of the dielectric…

We have studied the influence of a magnetic field on the thermodynamic properties of Ca$_{2-x}$Sr$_{x}$RuO$_4$ in the intermediate metallic region with tilt and rotational distortions ($0.2\leq x \leq 0.5$). We find strong and anisotropic…

Strongly Correlated Electrons · Physics 2009-11-11 J. Baier , T. Zabel , M. Kriener , P. Steffens , O. Schumann , O. Friedt , A. Freimuth , A. Revcolevschi , S. Nakatsuji , Y. Maeno , T. Lorenz , M. Braden

We study the underlying chemical, electronic and magnetic properties of a number of magnetite based thin films. The main focus is placed onto NiO/Fe$_3$O$_4$(001) bilayers grown on MgO(001) and Nb-SrTiO$_3$(001) substrates. We compare the…

We have grown epitaxial thin-films of the orthorhombic phase of YMnO3 oxide on Nb:SrTiO3(001) substrates and their structure, magnetic and dielectric response have been measured. We have found that a substrate-induced strain produces an…

Strongly Correlated Electrons · Physics 2007-05-23 X. Marti , V. Skumryev , V. Laukhin , F. Sanchez , M. V. Garcia-Cuenca , C. Ferrater , M. Varela , J. Fontcuberta

We investigate in this paper properties of the spin resistivity in the magnetic semiconducting MnTe of NiAs structure. MnTe is a crossroad semiconductor with a large band gap. It is an antiferromagnet with the N\'eel temperature around…

Materials Science · Physics 2015-06-03 Yann Magnin , Hung The Diep

We report magnetic studies on gelatin coated NiO nanoparticles of average size 7 nm. Temperature and time dependence of dc magnetization, wait time dependence of magnetic relaxation (aging), memory effects in the dc magnetization and…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Vijay Bisht , K. P. Rajeev , Sangam Banerjee

The effect of sintering temperatures (Ts) on the structural and magnetic properties of Ni0.6Zn0.4Fe2O4 (NZFO) ferrites synthesized by conventional double sintering method has been reported. The samples are sintered at 1200, 1250 and 1300…

Materials Science · Physics 2016-04-13 M. A. Ali , M. N. I. Khan , F. -U. -Z. Chowdhury , D. K. Saha , S. M. Hoque , S. I. Liba , S. Akhter , M. M. Uddin

We present the results of a muon-spin relaxation study of GeNi2O4. We provide further clarification of the two transitions to the antiferromagnetic state and measure the magnetic field dependence of the heat capacity up to 14 T. Both…

Strongly Correlated Electrons · Physics 2007-11-14 T. Lancaster , S. J. Blundell , D. Prabhakaran , P. J. Baker , W. Hayes , F. L. Pratt

The optical properties of Nd$_{0.7}$Sr$_{0.3}$MnO$_3$ thin films have been studied from 5 meV to 25 meV and from 0.25 eV to 3 eV, at temperatures from 15 K to 300 K and magnetic fields up to 8.9 T. A large transfer of spectral weight from…

Condensed Matter · Physics 2007-05-23 S. G. Kaplan , M. Quijada , H. D. Drew , D. B. Tanner , G. C. Xiong , R. Ramesh , C. Kwon , T. Venkatesan

We report a correlation between structural phase stability and magnetic properties of Co2FeO4 spinel oxide. We employed mechanical alloying and subsequent annealing to obtain the desired samples. The particle size of the samples changes…

Materials Science · Physics 2008-10-03 I. Panneer Muthuselvam , R. N. Bhowmik

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

Proximity effects allow for the adjustment of magnetic properties in a physically elegant way. If two thin ferromagnetic (FM) films are brought into contact, electronic coupling alters their magnetic exchange interaction at their interface.…

Highly ordered Bi2FeMnO6 epitaxial thin films have been successfully grown on SrTiO3 substrate. Both synchrotron X-ray reciprocal space mapping and high resolution transmission electron microscopy confirmed the alternative alignment of Fe…

Realizing topological semimetal states with novel emergent fermions in magnetic materials is a focus of current research. Based on first-principle calculations and symmetry analysis, we reveal interesting magnetic emergent fermions in an…

Materials Science · Physics 2023-10-19 Yongheng Ge , Ziming Zhu , Zeying Zhang , Weikang Wu , Cong Xiao , Shengyuan A. Yang

In a number of current experiments in the field of spin-caloritronics a temperature gradient across a nanostructured interface is applied and spin-dependent transport phenomena are observed. However, a lack in the interpretation and…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 Jia Zhang , Michael Bachman , Michael Czerner , Christian Heiliger

In the present work, a thin film was deposited on quartz substrate by reactive RF magnetron sputtering of high purity (99.999%) aluminium target using ultra-high pure (Ar + N2) gas mixture. The percentage ratio of Ar and N2 in the gas…

Materials Science · Physics 2020-10-19 Deena Nath , U. P. Deshpande , N. V. Chandra Shekar , Sujay Chakravarty

The cubic Fe2-xMnxO3 is an intriguing material that has recently been investigated for various applications, including lithium-ion battery anodes, catalysts, energy storage media, humidity sensors, and photocatalysts. Despite its wide range…

The enhancement of Neel temperature ($T_N$) of low-$T_{N}$ antiferromagnets in antiferromagnetic bilayers AF1/AF2, where the $T_N$ of AF1 is larger than AF2 (for example enhancement of $T_{N}$ of CoO in CoO/NiO or FeO in FeO/CoO), is a…

Strongly Correlated Electrons · Physics 2024-12-20 Sandip Halder , Sudip Mandal , Kalpataru Pradhan

Spintronics, which is the basis of a low-power, beyond-CMOS technology for computational and memory devices, remains up to now entirely based on critical materials such as Co, heavy metals and rare-earths. Here, we show that Mn4N, a…

Materials Science · Physics 2019-03-05 T. Gushi , M. Jovičević Klug , J. Peña Garcia , H. Okuno , J. Vogel , J. P. Attané , T. Suemasu , S. Pizzini , L. Vila

The canting angles and fluctuation of the magnetic ion spins of spinel oxide MnCr${}_2$O${}_4$ were studied by nuclear magnetic resonance (NMR) at low temperatures, which has a collinear ferrimagnetic order below $T_C$ and a ferrimagnetic…

Strongly Correlated Electrons · Physics 2015-05-19 Dong Young Yoon , Soonchil Lee , Yoon Seok Oh , Kee Hoon Kim