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Related papers: Electronic structure of cubic ScF$_3$ from first-p…

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In this paper, we have presented a comprehensive study of the physical properties of Kagome superconductor CsV3Sb5 using the density functional theory (DFT). The structural, mechanical, electronic, atomic bonding, hardness, thermodynamic,…

Materials Science · Physics 2023-04-18 M. I. Naher , M. A. Ali , M. M. Hossain , M. M. Uddin , S. H. Naqib

The structural, elastic, and electronic properties of the very recently discovered ternary silicide superconductor, Li2IrSi3, have been calculated using ab-initio technique. We have carried out the plane-wave pseudopotential approach within…

Superconductivity · Physics 2015-05-12 M. A. Hadi , M. A. Alam , M. Roknuzzaman , M. T. Nasir , A. K. M. A. Islam , S. H. Naqib

In the present paper, the electronic, structural, thermodynamic, and elastic properties of cubic $PbGeO_{3}$ perovskite oxide are presented and computed using the WIEN2K code. The structural properties have been evaluated and they are in…

Materials Science · Physics 2023-02-01 M. Agouri , A. Waqdim , A. Abbassi , M. Ouali , S. Taj , B. Manaut , M. Driouich

The similarity of the electronic structures of NaFeAs and other Fe pnictides has been demonstrated on the basis of first-principle calculations. The global double-degeneracy of electronic bands along X-M and R-A direction indicates the…

Superconductivity · Physics 2015-05-13 Shuiquan Deng , Jürgen Köhler , Arndt Simon

We study the electroacoustic properties of aluminum scandium nitride crystals Al$_{1-x}$Sc$_x$N with the metastable wurtzite structure by means of first-principles calculations based on density functional theory. We extract the material…

Materials Science · Physics 2021-03-17 Daniel F. Urban , Oliver Ambacher , Christian Elsässer

We study the atomic and electronic structures of ferroelectric perovskite oxides, BaTiO$_3$, LiNbO$_3$, and PbTiO$_3$ using ab initio extended Hubbard functionals in which the on-site and inter-site Hubbard interactions are determined…

Materials Science · Physics 2025-07-30 Min Chul Choi , Wooil Yang , Young-Woo Son , Se Young Park

Recently, replacing or mixing organic molecules in the hybrid halide perovskites with the inorganic Cs or Rb cations has been reported to increase the material stability with the comparable solar cell performance. In this work, we…

Materials Science · Physics 2018-09-19 Un-Gi Jong , Chol-Jun Yu , Yun-Sim Kim , Yun-Hyok Kye , Chol-Ho Kim

CsPbI3 has recently received tremendous attention as a possible absorber of perovskite solar cells (PSCs). However, CsPbI3-based PSCs have yet to achieve the high performance of the hybrid PSCs. In this work, we performed a density…

Double perovskite Bi$_2$FeCrO$_6$, related with BiFeO$_3$, is very interesting because strong ferroelectricity and high magnetic Curie temperature beyond room temperature are observed in it. However, existing density-functional-theory (DFT)…

Materials Science · Physics 2014-03-18 Zhe-Wen Song , Bang-Gui Liu

We have performed density functional calculations of the electronic structure and lattice dynamics of the binary skutterudite FeSb$_{3}$. We find that the ground state of FeSb$_{3}$ is a near semi-metallic ferromagnet with $T_{c}=175$~K.…

Materials Science · Physics 2015-01-26 Mikael Råsander , Lars Bergqvist , Anna Delin

We have performed an extensive test of the ability of density functional theory within several approximations for the exchange-correlation functional, local density approximation+Hubbard $U$ and local density approximation + dynamic mean…

Strongly Correlated Electrons · Physics 2014-10-28 Oscar Grånäs , Igor di Marco , Olle Eriksson , Lars Nordström , Corina Etz

We present calculated, electronic and related properties of wurtzite cadmium sulfide (w-CdS). Our ab-initio, non-relativistic calculations employed a local density functional approximation (LDA) potential and the linear combination of…

Materials Science · Physics 2015-03-17 E. C. Ekuma , L. Franklin , G. L. Zhao , J. T. Wang , D. Bagayoko

We have performed a first principles study of structural, mechanical, electronic, and optical properties of orthorhombic Sb2S3 and Sb2Se3 compounds using the density functional theory within the local density approximation. The lattice…

Materials Science · Physics 2012-05-19 H. Koc , Amirullah M. Mamedov , E. Deligoz , H. Ozisik

We present a comprehensive computational study on the properties of face-centered cubic and hexagonal chalcogenide Ge2Sb2Te5. We calculate the electronic structure using density functional theory (DFT); the obtained density of states (DOS)…

Materials Science · Physics 2015-03-17 Thierry Tsafack , Enrico Piccinini , Bong-Sub Lee , Eric Pop , Massimo Rudan

We investigated the electronic structures of the two-dimensional layered perovskite Sr$_{2}$\textit{M}O$_{4}$ (\textit{M}=4\textit{d} Ru, 4\textit{d} Rh, and 5\textit{d} Ir) using optical spectroscopy and polarization-dependent O…

Strongly Correlated Electrons · Physics 2009-11-11 S. J. Moon , M. W. Kim , K. W. Kim , Y. S. Lee , J. -Y. Kim , J. -H. Park , B. J. Kim , S. -J. Oh , S. Nakatsuji , Y. Maeno , I. Nagai , S. I. Ikeda , G. Cao , T. W. Noh

Pb-based perovskites are considered to be the most efficient materials for energy harvest. However, real-time application is limited because of their toxicity. As a result, lead-free perovskites that offer similar advantages are potential…

The electronic structure in the new transition metal carbide Ti4SiC3 has been investigated by bulk-sensitive soft x-ray emission spectroscopy and compared to the well-studied Ti3SiC2 and TiC systems. The measured high-resolution Ti L, C K…

The energetics and the electronic structure of methylammonium lead bromine (CH3NH3PbBr3) perovskite (001) surfaces are studied based on density functional theory. By examining the surface grand potential, we predict that the…

Materials Science · Physics 2016-11-30 Xin Huang , Tula R. Paudel , Peter A. Dowben , Shuai Dong , Evgeny Y. Tsymbal

Density functional theory calculations have been performed for the structural, electronic, magnetic and ferroelectric properties of a mixed-valence Fe(II)-Fe(III) formate framework [NH$_2$(CH$_3$)$_2$][Fe$^{\rm III}$Fe$^{\rm II}$(HCOO)$_6$]…

Materials Science · Physics 2019-10-15 Gang Tang , Wei Ren , Jiawang Hong , Alessandro Stroppa

The single-layered perovskite Ca$_2$RuO$_4$, characterized by a 4$d^4$ electron configuration, has been studied from first principles using density functional theory (DFT) using the generalized gradient approximation, with inclusion of…

Strongly Correlated Electrons · Physics 2025-11-26 D. A. Kukusta , L. V. Bekenov , P. F. Perndorfer , D. V. Vyalikh , P. A. Buczek , A. Ernst , V. N. Antonov