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Related papers: Electronic Structure of Sr_2FeMoO_6

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We investigate the electronic structure of Sr$_2$FeMoO$_6$ combining photoemission spectroscopy with a wide range of photon energies and electronic structure calculations based on first-principle as well as model Hamiltonian approaches to…

Strongly Correlated Electrons · Physics 2007-05-23 Sugata Ray , Priya Mahadevan , Ashwani Kumar , D. D. Sarma , R. Cimino , M. Pedio , L. Ferrari , A. Pesci

We have investigated the electronic and magnetic structures of Sr2FeMoO6 employing site-specific direct probes, namely x-ray absorption spectroscopy with linearly and circularly polarized photons. In contrast to some previous suggestions,…

Strongly Correlated Electrons · Physics 2009-11-07 Sugata Ray , Ashwani Kumar , D. D. Sarma , R. Cimino , S. Turchini , S. Zennaro , N. Zema , .

The electronic structure and magnetism of Sr$_2$CeIrO$_6$, an Ir-based double perovskite system has been investigated using first-principles calculations. We found that a strong spin-orbit coupling dictate the electronic and magnetic…

Strongly Correlated Electrons · Physics 2013-01-29 S. K. Panda , I. Dasgupta

We investigate the antiferromagnetic insulating state of the recently discovered double perovskites Sr$_2$XOsO$_6$ (X$=$Sc, Mg) by using ab-initio calculations (based on Density Functional Theory and Dynamical Mean-Field Theory) to…

Strongly Correlated Electrons · Physics 2016-11-22 Gianluca Giovannetti

We construct an effective Hamiltonian for the motion of electrons among the transition metal ions of ordered double perovskites like Sr2FeMoO6. in which strong intra-atomic Coulomb repulsion U is present in only one of the inequivalent…

Strongly Correlated Electrons · Physics 2009-11-07 A. A. Aligia , P. Petrone , J. O. Sofo , B. Alascio

Sr$_{2}$FeMoO$_6$ is a double perovskite compound, known for its high temperature behavior. Combining different magnetic and spectroscopic tools, we show that this compound can be driven to rare example of antiferromagnetic metallic state…

Being motivated by recent experimental studies, we investigate magnetic structures of the Mo pyrochlores $A_2$Mo$_2$O$_7$ ($A$= Y, Nd, and Gd) and their impact on the electronic properties. The latter are closely related with the behavior…

Strongly Correlated Electrons · Physics 2009-11-07 I. V. Solovyev

We have investigated the electronic structure of ordered and disordered Sr$_2$FeMoO$_6$ using {\it ab-initio} band structure methods. The effect of disorder was simulated within super-cell calculations to realize several configurations with…

Materials Science · Physics 2009-11-07 T. Saha-Dasgupta , D. D. Sarma

We present an interacting model for the electronic and magnetic behavior of a strained $(001)$ atomic layer of Sr$_2$FeMoO$_6,$ which shows room-temperature ferrimagnetism and magnetoresistance with potential spintronics application in the…

Strongly Correlated Electrons · Physics 2020-07-22 Masahiko G. Yamada , George Jackeli

We study experimentally and theoretically the electronic and magnetic properties of two insulating double perovskites that show similar atomic and electronic structure, but different magnetic properties. In magnetization measurements,…

The electronic structure of the heavy fermion compound CeB6 is probed by resonant inelastic soft X-ray scattering using photon energies across the Ce 3d and 4d absorption edges. The hybridization between the localized 4f orbitals and the…

Materials Science · Physics 2012-01-04 M. Magnuson , S. M. Butorin , J. -H. Guo , A. Agui , J. Nordgren , H. Ogasawara , A. Kotani , T. Takahashi , S. Kunii

Electronic structure and magnetic properties for iron deficient TlFe$_{2-x}$Se$_2$ compounds are studied by first-principles calculations. We find that for the case of $x=0.5$ with a Fe-vacancy ordered orthorhombic superstructure, the…

Superconductivity · Physics 2011-05-23 Chao Cao , Jianhui Dai

The Kondo insulator SmB6 has long been known to exhibit low temperature transport anomalies whose origin is of great interest. Here we uniquely access the surface electronic structure of the anomalous transport regime by combining…

The electronic structure of Sr0.35CoO2, structurally analogous to the layered NaxCoO2, has been evaluated using the local spin density approximation (LSDA). We find that evident c-dispersions appear in both the e'g and a1g Co-derived bands,…

Strongly Correlated Electrons · Physics 2007-05-23 R. J. Xiao , H. X. Yang , L. F. Xu , H. R. Zhang , Y. G. Shi , J. Q. Li

We have implemented a systematic LSDA and LSDA+U study of the double perovskites $A_{2}$FeReO$_{6}$ (A=Ba,Sr,Ca) and Sr$_{2}$$M$MoO$_{6}$ (M=Cr,Mn,Fe,Co) for understanding of their intriguing electronic and magnetic properties. The results…

Materials Science · Physics 2009-11-07 Hua Wu

A comprehensive investigation of the electronic and magnetic properties of NaOsO3 has been made using the first principle calculations, in order to understand the importance of Coulomb interaction, spin-orbit coupling and magnetic order in…

Strongly Correlated Electrons · Physics 2012-05-17 Yongping Du , Xiangang Wan , Li Sheng , Jinming Dong , Sergey Y. Savrasov

We have synthesized Sr$_6$Co$_5$O$_{15}$, a quasi-one-dimensional oxide, measured its magnetic properties and calculated its electronic structure by ab initio techniques. We have found strong evidence for its electronic and magnetic…

Strongly Correlated Electrons · Physics 2011-06-03 A. S. Botana , P. M. Botta , C. de la Calle , A. Piñeiro , V. Pardo , D. Baldomir , J. A. Alonso

Cr2Ge2Te6 is an intrinsic ferromagnetic semiconductor with van der Waals type layered structure, thus represents a promising material for novel electronic and spintronic devices. Here we combine scanning tunneling microscopy and…

Materials Science · Physics 2019-05-08 Zhenqi Hao , Haiwei Li , Shunhong Zhang , Xintong Li , Gaoting Lin , Xuan Luo , Yuping Sun , Zheng Liu , Yayu Wang

We have investigated the electronic structure of electron-doped Sr$_{2-x}$La$_x$FeMoO$_6$ ($x$=0.0 and 0.2) by photoemission spectroscopy and band-structure calculations within the local-density approximation+$U$ (LDA+$U$) scheme. A…

Strongly Correlated Electrons · Physics 2007-05-23 T. Saitoh , M. Nakatake , H. Nakajima , O. Morimoto , A. Kakizaki , Sh. Xu , Y. Moritomo , N. Hamada , Y. Aiura

The electronic structure and magnetism of LiFeO$_{2}$Fe$_{2}$Se$_{2}$ are investigated using the first-principle calculations. The ground state is N$\acute{e}$el antiferromagnetic (AFM) Mott insulating state for Fe1 with localized magnetism…

Superconductivity · Physics 2014-02-20 Da-Yong Liu , Xiang-Long Yu , Ya-Min Quan , Xiao-Jun Zheng , Liang-Jian Zou
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