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Related papers: Electronic structure of Gd pnictides

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This study presents a refined approach to computing the electronic structure of indium antimonide (InSb) using advanced \textit{ab initio} techniques with the In and Sb $4d^{10}$ semicore electrons included in the valence states. These…

Materials Science · Physics 2025-08-04 Ritwik Das , Anne-Sophie Grimault-Jacquin , Frédéric Aniel

In this research paper, we investigated the structural, electronic, and magnetic features of titanium atom substituting calciumatom in rock salt structure of CaS to explore the new dilute magnetic semiconductor compounds. The calculations…

Materials Science · Physics 2022-02-16 Meryem Ziati , Hamid Ez-Zahraouy

Accurate computational predictions of band gaps are of practical importance to the modeling and development of semiconductor technologies, such as (opto)electronic devices and photoelectrochemical cells. Among available electronic-structure…

Materials Science · Physics 2021-03-16 Nicole E. Kirchner-Hall , Wayne Zhao , Yihuang Xiong , Iurii Timrov , Ismaila Dabo

The results of first-principles electronic structure calculations for the nitrogen-rich nickel nitrides $ {\rm NiN} $ and $ {\rm Ni_2N} $ are presented. The calculations are based on density functional theory and used the generalized…

Strongly Correlated Electrons · Physics 2018-11-27 Abdesalem Houari , Samir F. Matar , Volker Eyert

Hubbard-corrected density functional theory, denoted by DFT+U method, was developed to enable correct prediction of insulating properties for strongly-correlated electron systems. UO$_2$ is an example having O-$2p$, U-$6d$, and U-$5f$…

Strongly Correlated Electrons · Physics 2023-02-28 Mahmoud Payami

Magnetization, resistivity and specific heat measurements were performed on the solution-grown, single crystals of six GdT$_2$Zn$_{20}$ (T = Fe, Ru, Os, Co, Rh and Ir) compounds, as well as their Y analogues. For the Gd compounds, the Fe…

Strongly Correlated Electrons · Physics 2009-11-13 Shuang Jia , Ni Ni , G. D. Samolyuk , A. Safa-Sefat , K. Dennis , Hyunjin Ko , G. J. Miller , S. L. Bud'ko , P. C. Canfield

A microscopic magnetic model for the spin-1/2 Heisenberg chain compound CuSe2O5 is developed based on the results of a joint experimental and theoretical study. Magnetic susceptibility and specific heat data give evidence for quasi-1D…

Strongly Correlated Electrons · Physics 2009-11-20 O. Janson , W. Schnelle , M. Schmidt , Yu. Prots , S. -L. Drechsler , S. K. Filatov , H. Rosner

We have investigated electronic and magnetic properties of the pyrite-type CoS_2 using the linearized muffin-tin orbital (LMTO) band method. We have obtained the ferromagnetic ground state with nearly half-metallic nature. The half-metallic…

Strongly Correlated Electrons · Physics 2009-10-31 S. K. Kwon , S. J. Youn , B. I. Min

We calculate the properties of the 4$d$ ferromagnet SrRuO$_3$ in bulk and thin film form with the aim of understanding the experimentally observed metal to insulator transition at reduced thickness. Although the spatial extent of the 4$d$…

Materials Science · Physics 2008-10-08 James M. Rondinelli , Nuala M. Caffrey , Stefano Sanvito , Nicola A. Spaldin

We complete our earlier (Phys. Rev. B, {\bf 66}, 134435 (2002)) study of the electronic structure, exchange interactions and Curie temperature in (GaMn)As and extend the study to two other diluted magnetic semiconductors (GaCr)As and…

Materials Science · Physics 2009-11-10 L. M. Sandratskii , P. Bruno

A novel approach to investigation of correlation effects in the electronic structure of magnetic crystals which takes into account a frequency dependence of the self energy (so called ``LDA++ approach'') is developed. The fluctuation…

Strongly Correlated Electrons · Physics 2009-10-31 M. I. Katsnelson , A. I. Lichtenstein

A detailed microscopic and quantitative description of the electronic and magnetic properties of Gd$^{3+}$-doped YCo$_{2}$Zn$_{20}$ single crystals (Y$_{1-x}$Gd$_{x}$Co$_{2}$Zn$_{20}$: (0.002 $\lesssim x \leq $ 1.00) is reported through a…

Strongly Correlated Electrons · Physics 2016-06-23 M. Cabrera-Baez , A. Naranjo-Uribe , J. M. Osorio-Guillén , C. Rettori , M. A. Avila

GaSb:N displays promise towards realization of optoelectronic devices accessing the mid-infrared wavelength regime. Theoretical and experimental results on its electronic and optical properties are however few. To address this, we present a…

Materials Science · Physics 2014-03-06 Priyamvada Jadaun , Hari P. Nair , Vincenzo Lordi , Seth R. Bank , Sanjay K. Banerjee

Based on density functional calculations, we present a detailed theoretical study of the electronic structure and the magnetic properties of the quasi-one dimensional chain cuprate Li_2ZrCuO_4 (Li_2CuZrO_4). For the relevant ratio of the…

Strongly Correlated Electrons · Physics 2015-05-14 M. Schmitt , J. Malek , S. -L. Drechsler , H. Rosner

We discuss the Hubbard model in an applied magnetic field and analyze the properties of neutral spin-1/2 fermions within the so-called statistically consistent Gutzwiller approximation (SGA). The magnetization curve reproduces in a…

Strongly Correlated Electrons · Physics 2014-07-28 Marcin M. Wysokinski , Jozef Spalek

We present first-principles electronic structure calculations of Mn doped III-V semiconductors based on the local spin-density approximation (LSDA) as well as the self-interaction corrected local spin density method (SIC-LSD). We find that…

Materials Science · Physics 2015-06-25 T. C. Schulthess , W. M. Temmerman , Z. Szotek , A. Svane , L. Petit

Employing {\it ab initio} electronic structure calculations we extensively study ternary Heusler compounds having the chemical formula X$_2$X$^\prime$Z, where X = Mn, Fe or Co; Z = Al or Si; and X$^\prime$ changes along the row of 4$d$…

Materials Science · Physics 2020-01-08 Srikrishna Ghosh , Subhradip Ghosh

By use of the spectral density approach the influence of the lattice structure on the possibility of ferromagnetism in the single band Hubbard model is investigated. The d=\infty hypercubic lattice does not show magnetic phase transitions…

Strongly Correlated Electrons · Physics 2016-08-31 T. Herrmann , W. Nolting

A fully self-consistent density-functional theory (DFT) with improved functionals is used to provide a comprehensive account of structural, electronic, and optical properties of C$_{3}$N$_{4}$ polymorphs. Using our recently developed van…

The interface electronic structure of correlated LaTiO$_3$/SrTiO$_3$ superlattices is investigated by means of the charge self-consistent combination of the local density approximation (LDA) to density functional theory (DFT) with dynamical…

Strongly Correlated Electrons · Physics 2013-06-07 Frank Lechermann , Lewin Boehnke , Daniel Grieger