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Electronic structure, electrical transport, dc and ac magnetization properties of the hole substituted (Sr2+) partially B-site disordered double perovskite Pr2-xSrxCoMnO6 system have been investigated. Electronic structure was probed by…

The electronic structure of doped Mn in (Ga,Mn)As is studied by resonant inelastic X-ray scattering (RIXS). From configuration-interaction cluster-model calculations, the line shapes of the Mn $L_3$ RIXS spectra can be explained by $d$-$d$…

Materials Science · Physics 2015-08-06 M. Kobayashi , H. Niwa , Y. Takeda , A. Fujimori , Y. Senba , H. Ohashi , A. Tanaka , S. Ohya , P. N. Hai , M. Tanaka , Y. Harada , M. Oshima

Electronic structures of superconducting Re24Nb5 and Re24Ti5 have been calculated employing the full-potential local-orbital method within the density functional theory. The investigations were focused on the influence of the antisymmetric…

Superconductivity · Physics 2014-08-01 M. J. Winiarski

The spin-dependent electronic structures of aluminum-(Al) doped zigzag silicene nanoribbons (ZSiNRs) are investigated by first-principles calculations. When ZSiNRs are substitutionally doped by a single Al atom on different sites in every…

Materials Science · Physics 2014-09-01 Y. J. Dong , X. F. Wang , P. Vasilopoulos , M. X. Zhai , X. M. Wu

We present a theoretical and experimental study on electronic and magneto-optical properties of p-type paramagnetic InMnAs dilute magnetic semiconductor alloys and ferromagnetic p-type InMnAs/(Al,Ga)Sb thin films in ultrahigh (> 100 T)…

Statistical Mechanics · Physics 2007-05-23 Y. Sun , F. V. Kyrychenko , G. D. Sanders , C. J. Stanton , G. A. Khodaparast , J. Kono , Y. H. Matsuda , H. Munekata

The structural, electronic and magnetic properties of half-Heusler compounds XVSb (X $=$ Fe, Co and Ni) are investigated by using the density functional theory with generalized gradient approximation (GGA), and Tran-Blaha modified…

Materials Science · Physics 2018-12-21 M. Mokhtari , F. Dahmane , G. Benabdellah , L. Zekri , S. Benalia , N. Zekri

Fe-doped III-V ferromagnetic semiconductor (FMS) (In,Fe)Sb is a promising material for spintronic device applications because of the n-type carrier conduction and the ferromagnetism with high Curie temperature (TC > 300 K). To clarify the…

Ge$_{1-x}$Fe$_{x}$ (Ge:Fe) shows ferromagnetic behavior up to a relatively high temperature of 210 K, and hence is a promising material for spintronic applications compatible with Si technology. We have studied its electronic structure by…

We describe a systematic study of the synthesis, microstructure and magnetization of hybrid ferromagnet-semiconductor nanomaterials comprised of MnAs nanoclusters embedded in a p-doped GaAs matrix. These samples are created during the in…

Materials Science · Physics 2015-03-19 D. W. Rench , P. Schiffer , N. Samarth

The mechanisms underlying the enhancement of magnetic anisotropies (MAs) of Sm ions, owing to valence electrons at the Sm site and the screened nuclear charges of ligands, are clarified using a detailed analysis of crystal fields (CF). In…

Materials Science · Physics 2022-01-12 Takuya Yoshioka , Hiroki Tsuchiura , Pavel Novák

On the basis of the Hubbard model, we present the formulation of antiferromagnetism in electron-doped cuprates using the fluctuation-exchange approach. Taking into account the spin fluctuations in combination with the impurity scattering…

Strongly Correlated Electrons · Physics 2011-11-09 Xin-Zhong Yan , Qingshan Yuan , C. S. Ting

We report on the study of the Fermi surface of the electron-doped cuprate superconductor Nd$_{2-x}$Ce$_x$CuO$_{4}$ by measuring the interlayer magnetoresistance as a function of the strength and orientation of the applied magnetic field. We…

We predict atomic, electronic, and magnetic structures of a hypothetical compound LaOFeSb by first-principles density-functional calculations. It is shown that LaOFeSb prefers a stripe-type antiferromagnetic phase (i.e., spin density wave…

Superconductivity · Physics 2009-11-13 Chang-Youn Moon , Se Young Park , Hyoung Joon Choi

We study energetic, magnetic, and electronic properties of diluted substitutional Mn-pairs on the reconstructed $(001)$ GaAs surfaces. The studies are based on first-principles calculations in the framework of the density functional theory.…

Materials Science · Physics 2017-03-29 M. Birowska , C. Śliwa , J. A. Majewski

Two-dimensional ferromagnets with strong perpendicular magnetic anisotropy exhibit magnetic order down to the monolayer thickness, beneficial for energy-efficient spintronic devices. In this work, molecular beam epitaxy has been employed to…

The structure, magnetic and martensitic properties of Fe doped Ni-Mn-In magnetic shape memory alloys have been studied by differential scanning calorimetry, magnetization, resistivity, X-ray diffraction (XRD) and EXAFS. While…

Materials Science · Physics 2015-06-23 D. N. Lobo , K. R. Priolkar , S. Emura , A. K. Nigam

First principles total-energy pseudopotential calculations have been performed to investigate STM images of the (110) cross-sectional surface of Mn-doped GaAs. We have considered configurations with Mn in interstitial positions in the…

Materials Science · Physics 2007-05-23 A. Stroppa

Moir\'e heterostructures of transition metal dichalcogenides exhibit Mott-insulating behaviour both at half-filling as well as at fractional fillings, where electronic degrees of freedom form self-organized Wigner crystal states. An open…

Strongly Correlated Electrons · Physics 2024-01-31 Urban F. P. Seifert , Leon Balents

Half-metallic ferromagnets like the full Heusler compounds with formula X$_2$YZ are supposed to show an integer value of the spin magnetic moment. Calculations reveal in certain cases of X = Co based compounds non-integer values, in…

Materials Science · Physics 2009-11-11 Hem Chandra Kandpal , Gerhard H. Fecher , Claudia Felser , Gerd Schönhense

The electronic structure of Me[N(CN)$_2$]$_2$ (Me=Mn, Fe, Co, Ni, Cu) molecular magnets has been investigated using x-ray emission spectroscopy (XES) and x-ray photoelectron spectroscopy (XPS) as well as theoretical density-functional-based…