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

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We study correlation effects and temperature dependencies in the electronic structure of thin ferromagnetic local-moment films. In a first step the Kondo-lattice model is investigated as a candidate for a proper representation of…

Strongly Correlated Electrons · Physics 2015-06-24 W. Nolting , C. Santos

The electronic structure of diluted (Ga,Mn)As magnetic semiconductors in the presence of As-antisites and magnetic disorder is studied within the framework of the local spin density approximation. Both the chemical and magnetic disorders…

Materials Science · Physics 2007-05-23 J. Kudrnovsky , I. Turek , V. Drchal , J. Masek , F. Maca , P. Weinberger

We have investigated the low-energy electronic structure of the heavy fermion superconductor CeCoIn5 by angle-resolved photoemission and band structure calculations. We measured the Fermi surface and energy distribution maps along the…

We use angle-resolved photoemission spectroscopy to study heavy fermion superconductor Ce2RhIn8. The Fermi surface is rather complicated and consists of several hole and electron pock- ets. We do not observe kz dispersion of Fermi sheets,…

Strongly Correlated Electrons · Physics 2017-03-21 Rui Jiang , Daixiang Mou , Chang Liu , Xin Zhao , Yongxin Yao , Hyejin Ryu , C. Petrovic , Kai-Ming Ho , Adam Kaminski

Chromium tri-halides Cr$X_3$ ($X$ = Cl, Br, and I) have recently become a focal point of research due to their intriguing low-temperature,layer-dependent magnetism that can be manipulated by an electric field. This makes them essential…

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

We fully support the interpretation of Prof. F. Steglich, reported recently in Phys. Rev. Lett. 91 (2003)156401, that the observed \textit{below} Kondo temperature, Electron Spin Resonance (ESR) in a heavy fermion metal YbRh2Si2 is…

Strongly Correlated Electrons · Physics 2008-10-08 R. J. Radwanski , Z. Ropka

The properties of Pt-based materials can be intriguing due to the importance of spin-orbit coupling for Pt. Herein, we report four new phases with formulas M3Pt23Ge11 (M = Ca, Sr, Ba and Eu), which adopt the same structure type as…

Materials Science · Physics 2021-08-25 Xin Gui , Robert J. Cava

Electron-hole mixing-induced fine structure in alkaline earth hexaborides leads to lower energy (temperature) scales, and thus stronger tendency toward an excitonic instability, than in their doped counterparts (viz. Ca(1-x)La(x)B(6),…

Strongly Correlated Electrons · Physics 2009-10-31 C. O. Rodriguez , Ruben Weht , W. E. Pickett

We have investigated the electronic and magnetic properties of Co$_{1-{\rm x}}$Fe$_{\rm x}$Sb$_{3}$ skutterudites from density functional theory and Monte Carlo simulations. We find that above a certain threshold in the Fe concentration,…

Materials Science · Physics 2015-12-17 Mikael Råsander , Lars Bergqvist

Double perovskite-based magnets wherein frustration and competition between emergent degrees of freedom are at play can lead to novel electronic and magnetic phenomena. Herein, we report the electronic structure and magnetic properties of…

We report the variation of ferromagnetic order in the pseudo-ternary compounds URh_{1-x}Co_{x}Ge (0 \leq x \leq 1). Magnetization and transport data taken on polycrystalline samples show that the Curie temperature T_{C} gradually increases…

Strongly Correlated Electrons · Physics 2009-11-13 N. T. Huy , A. de Visser

By systematic first-principles calculations, we study the electronic structure and magnetic property of SrCrO$_3$. Our results suggest that SrCrO$_3$ is a weakly correlated antiferromagnetic (AF) metal, a very rare situation in…

Materials Science · Physics 2010-07-20 Guangtao Wang , Zhi Li , C. Q. Jin , Zhong Fang

The magnetic structure and phase diagram of the layered ferromagnetic compound Fe$_3$GeTe$_2$ has been investigated by a combination of synthesis, x-ray and neutron diffraction, high resolution microscopy, and magnetization measurements.…

Strongly Correlated Electrons · Physics 2016-01-13 Andrew F. May , Stuart Calder , Claudia Cantoni , Huibo Cao , Michael A. McGuire

Experiments on rare-earth filled skutterudites demonstrate an intriguing array of thermodynamic, transport and superconducting properties, and bring to fore theoretical challenges posed by f-electron systems. First principle calculations…

Strongly Correlated Electrons · Physics 2019-09-11 Gheorghe Lucian Pascut , Michael Widom , Kristjan Haule , Khandker F. Quader

We studied the electronic structure of high quality Cr(110) films grown on W(110) surface employing photoemission spectroscopy. Experiments on the differently aged samples revealed distinct signatures of the surface and bulk features in the…

Materials Science · Physics 2015-06-25 Khadiza Ali , Shyama R. Varier , Deepnarayan Biswas , Srinivas C. Kandukuri , Kalobaran Maiti

Two aspects of the ambient pressure magnetic structure of heavy fermion material CeRhIn$_5$ have remained under some debate since its discovery: whether the structure is indeed an incommensurate helix or a spin density wave, and what is the…

Strongly Correlated Electrons · Physics 2017-03-29 D M Fobes , E D Bauer , J D Thompson , A Sazonov , V Hutanu , S. Zhang , F Ronning , M Janoschek

Using high-resolution angle-resolved photoemission spectroscopy (ARPES) and ab-initio calculation, we systematically investigate the electronic structure of the chiral helimagnet Cr1/3NbS2 and its temperature evolution. The comparison with…

The magnetic excitation spectrum of the unconventional ferromagnet CeRh$_{3}$B$_{2}$ was measured by inelastic neutron scattering on single crystal sample in the magnetically ordered and paramagnetic phases. The spin-wave excitation…

Strongly Correlated Electrons · Physics 2012-02-29 S. Raymond , J. Panarin , F. Givord , A. P. Murani , J. X. Boucherle , P. Lejay

The ferrimagnetic insulator Mn3Si2Te6, which features a Curie temperature Tc at 78 K and a delicate yet consequential magnetic frustration, exhibits colossal magnetoresistance (CMR) when the magnetic field is applied along the magnetic hard…

Strongly Correlated Electrons · Physics 2022-11-02 Feng Ye , Masaaki Matsuda , Zachary Morgan , Todd Sherline , Yifei Ni , Hengdi Zhao , G. Cao