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Related papers: Magnetism and Correlated Electrons in LaCr$_2$Ge$_…

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Single crystal x-ray diffraction, magnetic susceptibility, heat capacity, and electrical resistivity measurements are reported for the new tetragonal compound Ce$_{2}$PdGe$_{3}$, which forms in the space group $P4_{2}/mmc$ (\#131) $-$ a…

Strongly Correlated Electrons · Physics 2015-06-22 R. E. Baumbach , A. Gallagher , T. Besara , J. Sun , T. Siegrist , D. J. Singh , J. D. Thompson , F. Ronning , E. D. Bauer

The electronic and magnetic structures of A2CrN3 (A = Ce, U) ternary compounds calculated based on band magnetism within DFT exhibit different behaviors of the nf elements (n = 4, 5 resp.). Charge analysis allows to formally express the two…

Materials Science · Physics 2018-08-30 Samir F. Matar , Charbel N. Kfoury

Strongly correlated electrons at the verge of quantum criticality give rise to unconventional phases of matter and behaviors, with the discovery of new quantum critical materials driving synergistic advances in both experiments and theory.…

Strongly Correlated Electrons · Physics 2025-01-15 Jiawen Zhang , Jinyu Wu , Ye Chen , Rui Li , Michael Smidman , Yu Liu , Yu Song , Huiqiu Yuan

We report a study of the structural, magnetic, transport, and thermodynamic properties of polycrystalline samples of CeRhC$_2$. CeRhC$_2$ crystallizes in a tetragonal structure with space group $P4_1$ and it orders antiferromagnetically…

Strongly Correlated Electrons · Physics 2023-10-17 Yu Liu , M. O. Ajeesh , A. O. Scheie , C. R. dela Cruz , P. F. S. Rosa , S. M. Thomas , J. D. Thompson , F. Ronning , E. D. Bauer

We investigate the electronic structure of Chromium Nitride (CrN) across the first-order magneto-structural transition at T_N ~ 286 K. Resonant photoemission spectroscopy shows a gap in the 3d partial density of states at the Fermi level…

The complex magnetism and transport properties of tetragonal Ce$_3$Cu$_4$As$_4$O$_2$ were examined through neutron scattering and physical properties measurements on polycrystalline samples. The lamellar structure consists of alternating…

Strongly Correlated Electrons · Physics 2016-09-07 Jiakui K. Wang , Shan Wu , Yiming Qiu , Jose A. Rodriguez-Rivera , Qingzhen Huang , C. Broholm , E. Morosan

We have investigated the magnetic ground state of the antiferromagnetic Kondo-lattice compounds CeMAl$_{4}$Si$_{2}$ (M = Rh, Ir) using neutron powder diffraction. Although both of these compounds show two magnetic transitions $T_{N1}$ and…

Strongly Correlated Electrons · Physics 2015-06-03 N. J. Ghimire , S. Calder , M. Janoschek , E. D. Bauer

We report the synthesis, crystal structure and characterization by means of single crystal x-ray diffraction, neutron powder diffraction, magnetic, thermal and transport measurements of the new heavy fermion compounds…

Neutron scattering experiments have been performed on the ternary rare-earth diborocarbide Ce$^{11}$B$_2$C$_2$. The powder diffraction experiment confirms formation of a long-range magnetic order at $T_{\rm N} = 7.3$ K, where a sinusoidally…

Strongly Correlated Electrons · Physics 2009-11-13 Isao Nakanowatari , Rei Morinaga , Takahiro Onimaru , Taku J. Sato

The magnetic behavior of the quaternary compounds, RCr2Si2C (R = La, Ce), has been investigated by magnetization (M) and heat-capacity (C) measurements (1.8-300 K) in the bulk polycrystals and nano forms (<1 {\mu}m) obtained by high-energy…

Strongly Correlated Electrons · Physics 2011-11-29 K. Mukherjee , Kartik K. Iyer , E. V. Sampathkumaran

We report density functional calculations of electronic structure and magnetic properties of ternary iron chalcogenide TlFe$_{2}$Se$_{2}$, which occurs in the ThCr$_{2}$Si$_{2}$ structure and discuss the results in relation to the…

Superconductivity · Physics 2009-04-01 Lijun Zhang , D. J. Singh

The compounds $Ln$AuAl$_4$Ge$_2$ ($Ln$ $=$ lanthanide) form in a structure that features two-dimensional triangular lattices of $Ln$ ions that are stacked along the crystalline $c$ axis. Together with crystal electric field effects,…

Strongly Correlated Electrons · Physics 2024-01-03 Keke Feng , Caleb Bush , Olatunde Oladehin , Minhyea Lee , Ryan Baumbach

We report the physical properties and electronic structure calculations of a layered chromium oxypnictide, Sr$_2$Cr$_3$As$_2$O$_2$, which crystallizes in a Sr$_2$Mn$_3$As$_2$O$_2$-type structure containing both CrO$_2$ planes and…

Strongly Correlated Electrons · Physics 2016-01-06 Hao Jiang , Jin-Ke Bao , Hui-Fei Zhai , Zhang-Tu Tang , Yun-Lei Sun , Yi Liu , Zhi-Cheng Wang , Hua Bai , Zhu-An Xu , Guang-Han Cao

MCrS2 compounds (M=Li, Na, K, Cu, Ag, and Au) with triangular Cr layers show large variety of magnetic ground states ranging from 120-degree antiferromagnetic order of Cr spins in LiCrS2 to double stripes in AgCrS2, helimagnetic order in…

Materials Science · Physics 2013-01-16 A. V. Ushakov , D. A. Kukusta , A. N. Yaresko , D. I. Khomskii

Li$_2$Sr[MnN]$_2$ single crystals were successfully grown out of Li rich flux. The crystal structure was determined by single crystal X-ray diffraction and revealed almost linear $-$N$-$Mn$-$N$-$Mn$-$ chains as central structural motif.…

Materials Science · Physics 2021-08-25 F. Hirschberger , T. J. Ballé , C. Haas , W. Scherer , A. A. Tsirlin , Yu. Prots , P. Höhn , A. Jesche

We present the results of electronic structure calculations for the two-dimensional ferromagnet Rb_2CrCl_4. They are obtained by the augmented spherical wave method as based on density functional theory and the local density approximation.…

Strongly Correlated Electrons · Physics 2007-05-23 Udo Schwingenschloegl , Volker Eyert

By the first-principles electronic structure calculations, we find that the ground state of ternary iron selenides AFe$_2$Se$_2$ (A=K, Cs, or Tl) is in a bi-collinear antiferromagnetic order, in which the Fe local moments ($\sim2.8\mu_B$)…

Materials Science · Physics 2011-08-11 Xun-Wang Yan , Miao Gao , Zhong-Yi LU , Tao Xiang

We report our results on two new ternary intermetallic compounds Pr$_{2}$Pd$_{3}$Ge$_{5}$ and Pr$_{2}$Rh$_{3}$Ge$_{5}$ based on magnetic susceptibility, magnetization, specific heat, resistivity and magnetoresistance data. These compounds…

Strongly Correlated Electrons · Physics 2009-11-13 V. K. Anand , Z. Hossain , C. Geibel

The crystal structures of Ni$X_2$(pyz)$_2$ ($X$ = Cl (\textbf{1}), Br (\textbf{2}), I (\textbf{3}) and NCS (\textbf{4})) were determined at 298~K by synchrotron X-ray powder diffraction. All four compounds consist of two-dimensional (2D)…

The chromium arsenides BaCr2As2 and BaCrFeAs2 with ThCr2Si2 type structure (space group I4/mmm; also adopted by '122' iron arsenide superconductors) have been suggested as mother compounds for possible new superconductors. DFT-based…

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