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Related papers: Electronic Structure Calculations of CeRh$_{3}$B$_…

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We use a recently developed version of the configuration method for open shells to study electronic structure of erbium and fermium atoms. We calculate excitation energies of odd states connected to the even ground state by electric dipole…

Atomic Physics · Physics 2020-07-15 Saleh O. Allehabi , Jiguang Li , V. A. Dzuba , V. V. Flambaum

We investigate the temperature evolution of the electronic structure of ferromagnetic CaB$_6$ using ultra-high resolution photoemission spectroscopy; electronic structure of paramagnetic LaB$_6$ is used as a reference. High resolution…

Materials Science · Physics 2009-11-13 Kalobaran Maiti , V. R. R. Medicherla , Swapnil Patil , Ravi Shankar Singh

Low dimensional magnetism has been powerfully boosted as a promising candidate for numerous applications. The stability of the long-range magnetic order is directly dependent on the electronic structure and the relative strength of the…

Materials Science · Physics 2020-04-27 Adolfo O. Fumega , S. Blanco-Canosa , H. Babu-Vasili , Jian-Shi Zhou , F. Rivadulla , Victor Pardo

We report the synthesis, structure and physical properties of a new quaternary nitride LaCr$_2$Ge$_2$N. The compound crystallizes in the CeCr$_2$Si$_2$C-type structure (P4/mmm), featuring distinctive Cr$_2$N square sheets within…

We investigate the antiferromagnetic insulating nature of Ca3FeRhO6 both experimentally and theoretically. Susceptibility measurements reveal a Neel temperature T_N = 20 K, and a magnetic moment of 5.3 muB/f. u., while Moessbauer…

Strongly Correlated Electrons · Physics 2007-05-23 V. Eyert , U. Schwingenschloegl , R. Fresard , A. Maignan , C. Martin , N. Nguyen , C. Hackenberger , T. Kopp

We report the experimental and theoretical study on magnetic nature of Bi3Ni system. The structure is found to be orthorhombic (Pnma) with lattice parameters a = 8.879{\AA} b = 4.0998{\AA} and c = 4.099{\AA}. The title compound is…

To unravel the interplay between the strong electronic correlation and itinerant-localized dual nature in atypical f electron systems, we employed the density functional theory in combination with the single-site dynamical mean-field theory…

Strongly Correlated Electrons · Physics 2021-02-08 Haiyan Lu , Qin Liu

The compound FeMnP$_{0.50}$Si$_{0.50}$ has been studied by magnetic measurements, M\"ossbauer spectroscopy and electronic structure and total energy calculations. An unexpected high magnetic hyperfine field for Fe atoms located at the…

We present a detailed analysis of the results of our numerical study of the crystal and electronic structure of the room temperature organometallic ferrimagnet of general composition V(TCNE)$_{x}$ with $% x\approx 2$. The results of the…

Strongly Correlated Electrons · Physics 2010-02-02 Andrei L. Tchougréeff , Richard Dronskowski

We present electronic structure calculations together with resistivity, susceptibility, and specific heat measurements for TaB$_2$ to search for the recently contradictorily reported superconductivity and to study related normal state…

Superconductivity · Physics 2009-11-07 H. Rosner , W. E. Pickett , S. -L. Drechsler , A. Handstein , G. Behr , G. Fuchs , K. Nenkov , K. -H. Müller , H. Eschrig

Quadruple perovskites ACu$_3$Fe$_2$Re$_2$O$_{12}$ attract considerable interest due to their high Curie temperatures (up to $710$K), which strongly depend on the A-site cation. In this work, we employ first-principles calculations to…

Linear-scaling electronic structure methods based on the calculation of moments of the underlying electronic Hamiltonian offer a computationally efficient and numerically robust scheme to drive large-scale atomistic simulations, in which…

Materials Science · Physics 2017-01-09 Eunan J. McEniry , Ralf Drautz

A density functional theory of ferromagnetism in heterostructures of compound semiconductors doped with magnetic impurities is presented. The variable functions in the density functional theory are the charge and spin densities of the…

Condensed Matter · Physics 2009-11-07 J. Fernandez-Rossier , L. J. Sham

Single crystals of a new ternary aluminide ErV$_2$Al$_{20}$ were grown using a self-flux method. The crystal structure was determined by powder X-ray diffraction measurements and Rietveld refinement, and physical properties were studied by…

Materials Science · Physics 2016-10-11 Michał J. Winiarski , Tomasz Klimczuk

We have grown the single crystals of CeMg$_3$ and its non-magnetic analogue LaMg$_3$, which crystallize in the cubic crystal structure with the space group \textit{Fm\rm{\={3}}m}, and studied their magnetic properties on well oriented…

Strongly Correlated Electrons · Physics 2012-07-18 Pranab Kumar Das , Neeraj Kumar , R. Kulkarni , A. Thamizhavel

The interplay between linearly dispersing or Dirac-like, and flat electronic bands, for instance, in the kagome ferromagnets, has attracted attention due to a possible interplay between topology and electronic correlations. Here, we report…

We report ac susceptibility and high-frequency electron spin resonance (ESR) measurements on the geometrically frustrated compound Ba$_3$NbFe$_3$Si$_2$O$_{14}$ with the N\'{e}el temperature $T_N=27 K$. An unusually large…

Strongly Correlated Electrons · Physics 2011-08-10 K. -Y. Choi , Z. -X. Wang , A. Ozarowski , J. van Tol , H. D. Zhou , C. R. Wiebe , N. S. Dalal

The temperature ($T$) dependence of the optical conductivity spectra $\sigma(\omega)$ of a single crystal SrRuO$_3$ thin film is studied over a $T$ range from 5 to 450 K. We observed significant $T$ dependence of the spectral weights of the…

The magnetic structure of the heavy fermion antiferromagnet CePt$_2$In$_7$ is determined using neutron diffraction. We find a magnetic wave vector $\mathbf{q}_M = (1/2,1/2,1/2)$, which is temperature independent up to $T_N =$ 5.5 K. A…

Strongly Correlated Electrons · Physics 2017-04-06 M. Raba , E. Ressouche , N. Qureshi , C. V. Colin , V. Nassif , S. Ota , Y. Hirose , R. Settai , P. Rodière , I. Sheikin

Ferromagnetism in Cr-based double perovskites is analyzed using effective model as well as simulation approach. Starting from a microscopic model proposed recently for this class of double perovskites, an effective spin-only model is…

Strongly Correlated Electrons · Physics 2014-04-02 Prabuddha Sanyal