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Related papers: Electronic structure of Gd pnictides

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We report the electronic structure of monoclinic CuO as obtained from first principles calculations utilizing density functional theory plus effective Coulomb interaction (DFT + U) method. In contrast to standard DFT calculations taking…

Strongly Correlated Electrons · Physics 2014-02-19 C. E. Ekuma , V. I. Anisimov , J. Moreno , M. Jarrell

Due to the low dimensionality in the quantization of the electronic states and degree of freedom for device modulation, two-dimensional (2D) ferromagnetism plays a critical role in lots of fields. In this study, we perform first-principles…

Materials Science · Physics 2024-01-26 Fazle Subhan , Chuanhao Gao , Luqman Ali , Yanguang Zhou , Zhenzhen Qin , Guangzhao Qin

Density-functional-theory-based electronic structure calculations are made to consider the novel electronic states of Ru-pnictides RuP and RuAs where the intriguing phase transitions and superconductivity under doping of Rh have been…

Strongly Correlated Electrons · Physics 2016-01-25 H. Goto , T. Toriyama , T. Konishi , Y. Ohta

The electronic structures of the ferromagnetic superconductors $\mathrm{UGe}_2$ and $\mathrm{UCoGe}$ in the paramagnetic phase were studied by angle-resolved photoelectron spectroscopy using soft X-rays ($h\nu =400-500$). The quasi-particle…

The self-consistent charge density functional tight-binding (DFTB) theory is a useful tool for realizing the electronic structures of large molecular complex systems. In this study, we analyze the electronic structure of C61, formed by…

Materials Science · Physics 2016-06-14 Jia Wang , Xing Dai , Wanrun Jiang , Tianrong Yu , Zhigang Wang

We present a study of the structural phase transition, mechanical and thermodynamic properties of UO$_{2}$ by means of the local density approximation (LDA)$+U$ approach. A phase transition pressure of 40 GPa, which agrees well with the…

Strongly Correlated Electrons · Physics 2013-09-25 Bao-Tian Wang , Ping Zhang , Raquel Lizárraga , Igor Di Marco , Olle Eriksson

We investigate the wave functions, spectrum, and g-factor anisotropy of low-energy electrons confined to self-assembled, pyramidal InAs quantum dots (QDs) subject to external magnetic and electric fields. We present the construction of…

Mesoscale and Nanoscale Physics · Physics 2014-04-02 Robert Zielke , Franziska Maier , Daniel Loss

The structural and magnetic properties of Ge0.5Mn0.5Co2O4 (GMCO) have been investigated in detail utilizing neutron powder diffraction (NPD), x-ray diffraction (XRD), DC magnetometry, and heat capacity analysis and compared with GeCo2O4.…

Strongly Correlated Electrons · Physics 2024-07-02 Pooja Jain , Benny Schundelmier , Chin-Wei Wang , Poonam Yadav , Kaya Wei , N. P. Lalla , Shivani Sharma

Transition-metal-based Heusler semiconductors are promising materials for a variety of applications ranging from spintronics to thermoelectricity. Employing the $GW$ approximation within the framework of the FLAPW method, we study the…

Materials Science · Physics 2016-06-01 M. Tas , E. Sasioglu , I. Galanakis , C. Friedrich , S. Blugel

We report on very low temperature (27 mK) Mossbauer absorption spectra on Gd 155 in the Heisenberg frustrated antiferromagnets Gd2 Sn2 O7 (GdSn) and Gd2 Ti2 O7. We show that electronic fluctuations of correlated Gd3+ moments are present…

Condensed Matter · Physics 2009-11-07 E. Bertin , J. A. Hodges , J. -P. Bouchaud , P. Bonville , J. P. Sanchez , P. Vuillet

Lanthanide (Ln) based LnSbTe materials have garnered significant attention due to rich interplay of long range magnetic ordering and topological properties, driven by unique crystalline symmetry, 4f electron interactions, and pronounced…

We report a comprehensive electronic structure investigation of the paramagnetic (PM), the large moment antiferromagnetic (LMAF), and the hidden order (HO) phases of URu$_2$Si$_2$. We have performed relativistic full-potential calculations…

Strongly Correlated Electrons · Physics 2015-05-19 P. M. Oppeneer , J. Rusz , S. Elgazzar , M. -T. Suzuki , T. Durakiewicz , J. A. Mydosh

GdCo$_5$ may be considered as two sublattices - one of Gd and one of Co - whose magnetizations are in antiparallel alignment, forming a ferrimagnet. Substitution of nickel in the cobalt sublattice of GdCo$_5$ has been investigated to gain…

We investigate the electronic structure of Sr$_3$NiRhO$_6$, a quasi-one-dimensional spin chain system using \emph{ab initio} band structure calculations. Spin polarized calculations within GGA reveal that Ni and Rh have finite moments and…

Strongly Correlated Electrons · Physics 2009-11-13 S. K. Pandey , Kalobaran Maiti

Material specific electronic band structure of the electron-doped high-Tc cuprate Nd(1.85)Ce(0.15)CuO(4) (NCCO) is calculated within the pseudo gap regime, using the recently developed generalized LDA+DMFT+Sigma_k scheme. LDA/DFT (density…

Strongly Correlated Electrons · Physics 2008-12-27 E. E. Kokorina , E. Z. Kuchinskii , I. A. Nekrasov , Z. V. Pchelkina , M. V. Sadovskii , A. Sekiyama , S. Suga , M. Tsunekawa

The LnSbTe family is well known for hosting a plethora of intriguing characteristics stemming from its crystalline symmetry, magnetic structure, 4f electronic correlations and spin orbit coupling (SOC) phenomena. In this paper, we have…

Using the strong coupling diagram technique, magnetic and spectral properties of the two-dimensional repulsive Hubbard model are investigated in the ranges of repulsions $t\leq U\leq 10t$, temperatures $0.1t\lesssim T\lesssim 4t$ and…

Strongly Correlated Electrons · Physics 2019-05-21 A Sherman

We have investigated the crystal, electronic, and magnetic structure of Mn5O8 by means of state of-the-art density functional theory calculations and neutron powder diffraction (NPD) measurements. This compound stabilizes in the monoclinic…

Materials Science · Physics 2016-09-12 M. R. Ashwin Kishore , H. Okamoto , Lokanath Patra , R. Vidya , Anja O. Sjastad , H. Fjellvag , P. Ravindran

The effects of including the Hubbard on-site Coulombic correction to the structural parameters and valence energy states of wurtzite ZnO was explored. Due to the changes in the structural parameters caused by correction of hybridization…

Materials Science · Physics 2017-03-08 E. S. Goh , J. W. Mah , T. L. Yoon

We investigate the magnetic and electronic properties of the Gd$T_2$Zn$_{20}$ ($T$ = Fe and Co) compounds using X-ray resonant magnetic scattering (XRMS), X-ray absorption near-edge structure (XANES) and X-ray magnetic circular dichroism…

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