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相关论文: Magnetostructural study of the (Mn,Fe)3(P,Si) syst…

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We present temperature-, magnetic-field-, and pressure-dependent Raman scattering studies of single crystal Mn3O4, combined with temperature- and field-dependent x-ray diffraction studies, revealing the novel magnetostructural phases in…

强关联电子 · 物理学 2015-05-28 M. Kim , X. M. Chen , X. Wang , C. S. Nelson , R. Budakian , P. Abbamonte , S. L. Cooper

The magnetic interactions in La{0.70}Ca{0.30}Mn{1-x}Cr{x}O{3} (x = 0.15, 0.50 and 0.70) are investigated by x-ray absorption spectroscopy (XAS), x-ray magnetic circular dichroism (XMCD), high-resolution x-ray powder diffraction, and bulk…

材料科学 · 物理学 2012-04-27 H. Terashita , J. C. Cezar , F. M. Ardito , L. F. Bufaical , E. Granado

On the basis of density functional theory electronic band structure calculations using the augmented spherical wave method, the electronic and magnetic properties of the orthorhombic and tetragonal phases of Ca3Mn2O7 were investigated and…

材料科学 · 物理学 2007-08-02 S. F. Matar , V. Eyert , A. Villesuzanne , M. -H. Whangbo

Two-dimensional (2D) magnetic materials have attracted considerable interest owing to their potential applications in spintronics and fundamental investigations into low-dimensional magnetism. Cr2Te3, a quasi 2D non van der Waals magnet,…

The development of ferromagnetism in Mn-doped Bi2Te3 is characterized through measurements on a series of single crystals with different Mn content. Scanning tunneling microscopy analysis shows that the Mn substitutes on the Bi sites,…

Muon spin relaxation (MuSR) measurements in iron oxy-pnictide systems have revealed: (1) commensurate long-range order in undoped LaOFeAs; (2) Bessel function line shape in La(O0.97F0.03)FeAs which indicates possible incommensurate or…

Within the frameworks of the model using ab initio calculation data on d-band filling and on the shape of density of d-electron states in Fe2-xMnxAs, the mechanisms of stabilization of non-collinear magnetic ordered phases observed within…

材料科学 · 物理学 2012-11-13 V. I. Val`kov , A. V. Golovchan , D. V. Varyukhin , H. Szymczak , V. P. Dyakonov

An antiferromagnetic ordering in Pb3TeCo3V2O14 takes place through formation of short range correlation regime with T* ~ 10.5 K and succession of second order phase transition at TN1 = 8.9 K and first order phase transition at TN2 = 6.3 K.…

强关联电子 · 物理学 2014-04-01 M. M. Markina , B. V. Mill , E. A. Zvereva , A. V. Ushakov , S. V. Streltsov , A. N. Vasiliev

We have synthesized Cr1.4Fe0.6O3 compound through mechanical alloying of Cr2O3 and Fe2O3 powders and subsequent thermal annealing. The XRD spectrum, SEM picture and microanalysis of EDAX spectrum have been used to understand the structural…

材料科学 · 物理学 2015-05-13 R. N. Bhowmik , Nrisimha Murty. M , Sekhar Srinadhu. E

X-ray diffraction, resistivity, ac susceptibility and magnetization studies on La0.67Ca0.33Mn1-xRuxO3 (0 x < 0.1) were carried out. A significant increase in the lattice parameters indicated the presence of mixed valance state of Ru: Ru3+…

We report the coexistence of ferromagnetic and antiferromagnetic phases in the single crystal of Mn$_3$ single-molecule magnet. The coexistent state appears within a certain period of time in the progress of either oxidation or reduction…

介观与纳米尺度物理 · 物理学 2015-01-23 Yan Cui , Yan-Rong Li , Rui-Yuan Liu , Zhen-Yu Mi , Yun-Ping Wang

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 present work reports on the new soft ferromagnetic Heusler phases Fe2NiGe, Fe2CuGa, and Fe2CuAl, which in previous theoretical studies have been predicted to exist in a tetragonal regular Heusler structure. Together with the known…

We report the evolution of structural and magnetic properties in La2O3(Fe1-xMnx)2Se2. Heat capacity and bulk magnetization indicate an increased ferromagnetic component of the long-range magnetic order and possible increased degree of…

强关联电子 · 物理学 2012-10-10 Hechang Lei , Emil S. Bozin , A. Llobet , V. Ivanovski , V. Koteski , J. Belosevic Cavor , B. Cekic , C. Petrovic

The electronic structure and magnetic properties of La_{1-x}A_{x}MnO_3 are investigated. It is assumed that, at the outermost layer, the environment of the Mn ions does not have cubic symmetry. The e_g orbitals are split and the double…

强关联电子 · 物理学 2009-10-31 M. J. Calderon , L. Brey , F. Guinea

The magnetic structure and phase diagram of the layered ferromagnetic compound Fe$_3$GeTe$_2$ has been investigated by a combination of synthesis, x-ray and neutron diffraction, high resolution microscopy, and magnetization measurements.…

强关联电子 · 物理学 2016-01-13 Andrew F. May , Stuart Calder , Claudia Cantoni , Huibo Cao , Michael A. McGuire

We have made an extensive study of the magnetic and electrical properties of double-hexagonal closepacked NpPd3 and a range of U(1-x)Np(x)Pd3 compounds with x=0.01, 0.02, 0.05, and 0.50 using magnetization, magnetic susceptibility,…

强关联电子 · 物理学 2009-05-20 H. C. Walker , K. A. McEwen , P. Boulet , E. Colineau , J. -C. Griveau , J. Rebizant , F. Wastin

We report the results of our detailed magnetotransport studies on single crystals of the antiferromagnetic heavy-fermion superconductor Ce$_3$PdIn$_{11}$. Electrical resistivity measurements, carried out in different magnetic field…

超导电性 · 物理学 2019-02-26 Debarchan Das , Daniel Gnida , Dariusz Kaczorowski

Magnetic 2D materials enable novel tuning options of magnetism. As an example, the van der Waals material FePS3, a zigzag-type intralayer antiferromagnet, exhibits very strong magnetoelastic coupling due to the different bond lengths along…

The controversy regarding the ferroelectric behavior of hexagonal InMnO$_3$ is resolved by using a combination of x-ray diffraction (XRD), piezoresponse force microscopy (PFM), second harmonic generation (SHG), and density functional theory…