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Related papers: The effect of Al doping on the structure and magne…

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We have studied the effect of Al doping on the structural, magnetic and electrical properties of La$_{1-x}$Ba$_x$Mn$_{1-x}$Al$_x$O$_3$ ($0\leq x \leq 0.25$) manganite, annealed in two 750$^oC$ and 1350$^oC$ temperatures. The XRD analysis…

Materials Science · Physics 2021-05-24 J. Ardashti Saleh , I. Abdolhosseini Sarsari , P. Kameli , H. Salamati

We have investigated the influence of B - site doping on the crystal and magnetic structure in $La_{0.5}Ca_{0.5}Mn_{1-x}B_{x}O_{3}$ (B= Fe, Ru, Al and Ga) compounds using neutron diffraction, SANS, magnetization and resistivity techniques.…

Materials Science · Physics 2015-05-28 Indu Dhiman , A. Das , A. K. Nigam , Urs Gasser

The structural and electronic properties of La$_{2-x}$Ba$_x$CuO$_4$ were investigated as a function of Ba-concentration $0 \leq x \leq 1.2$, within the virtual crystal approximation (VCA) by means of first-principles total-energy…

Strongly Correlated Electrons · Physics 2020-01-29 E. Y. Soto-Gómez , G. I. González-Pedreros , J. A. Camargo-Martínez

Resistivity and dc magnetization measurements were performed for the polycrystalline Pr$_{0.5}$Ca$_{0.5}$Co$_{1-x}$Fe$_{x}$O$_{3-\delta}$ ($x$ = 0, 0.05, 0.10 and 0.15) samples. The as-fabricated samples exhibit ferromagnetic (FM)…

Strongly Correlated Electrons · Physics 2009-11-11 X. G. Luo , X. Li , G. Y. Wang , G. Wu , X. H. Chen

The effect of Fe doping in the Mn site on the magnetic, transport and structural properties of polycrystalline La1/2Ca1/2MnO3 was studied. Doping with low Fe concentration (< 10%) strongly affects electrical transport and magnetization.…

Materials Science · Physics 2016-08-31 P. Levy , L. Granja , E. Indelicato , D. Vega , G. Polla , F. Parisi

The electronic structure and intrinsic magnetic properties of $\text{Fe}_2\text{AlB}_2$-related compounds and their alloys have been investigated using density functional theory. For $\text{Fe}_2\text{AlB}_2$, the crystallographic $a$ axis…

Materials Science · Physics 2017-03-22 Liqin Ke , Bruce N. Harmon , Matthew J. Kramer

We systematically studied the magnetic and transport properties for the polycrystalline samples of Fe-doped perovskite cobaltites: Pr$_{1-y}$Ca$_{y}$Co$_{1-x}$Fe$_x$O$_3$ ($y$=0.3, $x$=0-0.15; $y$=0.45, $x$=0-0.3) and…

Strongly Correlated Electrons · Physics 2007-05-23 Xigang Luo , Wendong Xing , Zhaofeng Li , Gang Wu , Xianhui Chen

The structural, magnetic and transport properties of the layered RBaCo$_2$O$_{5.5}$ cobaltites are sensitive to the oxygen stoichiometry. In this present study, we report the presence of a low-temperature magnetic glassy state in…

Strongly Correlated Electrons · Physics 2020-03-18 Archana Kumari , C. Dhanasekhar , A. K. Das

This study investigates the effects of Sb, Ge, and Ga doping in AlFe$_2$B$_2$ on magnetic and magneto-caloric properties. Samples of AlFe$_2$B$_2$ and AlFe$_{1.9}$M$_{0.1}$B$_2$ (M= Ge, Ga and Sb) with 20\% excess Al were synthesized by arc…

Materials Science · Physics 2025-06-30 R. Preyadarshini , S. Kavita , Ashutosh Kumar , D. Sivaprahasam

Using ambient pressure x-ray and high pressure neutron diffraction, we studied the pressure effect on structural and magnetic properties of multiferroic Mn$_{1-x}$Co$_x$WO$_4$ single crystals ($x=0, 0.05, 0.135$ and $0.17$), and compared it…

Strongly Correlated Electrons · Physics 2016-05-02 Jinchen Wang , Feng Ye , Songxue Chi , Jaime A. Fernandez-Baca , Huibo Cao , Wei Tian , M. Gooch , N. Poudel , Yaqi Wang , Bernd Lorenz , C. W. Chu

We report the effects of cobalt doping on the magnetic properties of two-dimensional van der Waals ferromagnet Fe3GeTe2. Single crystals of (Fe{1-x}Cox)3GeTe2 with x=0-0.78 were successfully synthesized and characterized with x-ray…

Materials Science · Physics 2020-03-06 Cong-Kuan Tian , Cong Wang , Wei Ji , Jin-Chen Wang , Tian-Long Xia , Le Wang , Juan-Juan Liu , Hong-Xia Zhang , Peng Cheng

We have studied the structural and electronic properties of Mg(1-x)Al(x)B2 within the Virtual Crystal Approximation (VCA) by means of first-principles total-energy calculations. Results for the lattice parameters, the electronic band…

Superconductivity · Physics 2009-11-07 O. de la Pena , A. Aguayo , R. de Coss

We investigate the effect of Al doping on the magnetic properties of the alloy CoFeB. Comparative measurements of the saturation magnetization, the Gilbert damping parameter $\alpha$ and the exchange constant as a function of the annealing…

Materials Science · Physics 2017-09-13 A. Conca , T. Nakano , T. Meyer , Y. Ando , B. Hillebrands

Abundant phenomena in CoCr2-xMnxO4 (x = 0 ~ 2) samples such as magnetic compensation, magnetostriction and exchange bias effect have been observed and investigated in this work. A structure transition from cubic to tetragonal symmetry has…

Materials Science · Physics 2013-10-21 H. G. Zhang , W. H. Wang , E. K. Liu , X. D. Tang , G. J. Li , J. L. Chen , H. W. Zhang , G. H. Wu

We have explored, computationally and experimentally, the magnetic properties of \fecob{} alloys. Calculations provide a good agreement with experiment in terms of the saturation magnetization and the magnetocrystalline anisotropy energy…

The d.c. magnetization and magnetic relaxation studies of the calcium doped samples, Y0.95Ca0.05BaCo2O5.5 and YBa0.95Ca0.05Co2O5.5, show the existence of a magnetic glass like behaviour in the family of cobaltites for the first time. Our…

Materials Science · Physics 2012-11-09 Tapati Sarkar , V. Pralong , B. Raveau

The structural, magnetic and transport properties have been studied of Li doped CoV2O4 and FeV2O4. Li doping increases the ferri-magnetic ordering temperature of both the samples but decreases the spin-glass transition temperature of…

Strongly Correlated Electrons · Physics 2014-11-11 Prashant Shahi , R. Singh , Shiv Kumar , D. K. Dubey , D. N. Singh , A. Tiwari , A. Tripathi , A. K. Ghosh , Sandip Chatterjee

The magnetic properties of the ferrimagnetic cobaltite CaBaCo$_4$O$_7$ are systematically investigated. We find that the susceptibility exhibits a downward deviation below $\sim$ 360 K, suggesting the occurrence of short range magnetic…

Strongly Correlated Electrons · Physics 2015-03-19 Zhe Qu , Langsheng Ling , Lei Zhang , Li Pi , Yuheng Zhang

Measurements of the specific heat on the system Ca$_{1-x}$La$_{x}$MnO$_{3}$ (% $x\leq 0.10$) are reported. Particular attention is paid to the effect that doping the parent compound with electrons by substitution of La for Ca has on the…

Strongly Correlated Electrons · Physics 2007-05-23 A. L. Cornelius , B. Light , J. J. Neumeier

An investigation of La and Ca doped Sr4Ru3O10, featuring a coexistence of interlayer ferromagnetism and intralayer metamagnetism, is presented. La doping readily changes magnetism between ferromagnetism and metamagnetism by tuning the…

Strongly Correlated Electrons · Physics 2009-11-11 S. Chikara , V. Durairaj , W. H. Song , Y. P. Sun , X. N. Lin , A. Douglass , G. Cao , P. Schlottmann
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