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Related papers: Itinerant G-type antiferromagnetic order in SrCr$_…

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Single crystals of AlFe$_{2}$B$_{2}$ have been grown using the self flux growth method and then measured the structural properties, temperature and field dependent magnetization, and temperature dependent electrical resistivity at ambient…

Neutron diffraction has been used to study the magnetic order in RuSr{2}GdCu2O8. The Ru moments order antiferromagnetically at T{N}=136(2)K, coincident with the previously reported onset of ferromagnetism. Neighboring spins are antiparallel…

Superconductivity · Physics 2009-10-31 J. W. Lynn , B. Keimer , C. Ulrich , C. Bernhard , J. L. Tallon

Magnetism of the $S$ = 1 Heisenberg antiferromagnets on the spatially anisotropic square lattice has been scarcely explored. Here we report a study of the magnetism, specific heat, and thermal conductivity on Ni[SC(NH$_2$)$_2$]$_6$Br$_2$…

Materials Science · Physics 2019-03-15 X. Zhao , Z. Y. Zhao , L. M. Chen , X. Rao , H. L. Che , L. G. Chu , H. D. Zhou , L. S. Ling , J. F. Wang , X. F. Sun

We report elastic neutron diffraction and muon spin relaxation (muSR) measurements of the quasi one-dimensional antiferromagnets Sr2CuO3 and Ca2CuO3, which have extraordinarily reduced TN/J ratios. We observe almost resolution-limited…

We present magnetic and transport properties of PrRh$_{2}$Si$_{2}$ single crystals which exhibit antiferromagnetic order below T$_{N}$ = 68 K. Well defined anomalies due to magnetic phase transition are observed in magnetic susceptibility,…

Strongly Correlated Electrons · Physics 2009-08-28 V K Anand , Z Hossain , G Behr , G Chen , M Nicklas , C Geibel

139La nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) measurements have been performed to investigate the magnetic properties of the itinerant magnet La2Ni7 which shows a series of antiferromagnetic (AFM) phase…

Strongly Correlated Electrons · Physics 2023-08-11 Q. -P. Ding , J. Babu , K. Rana , Y. Lee , S. L. Bud'ko , R. A. Ribeiro , P. C. Canfield , Y. Furukawa

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 the magnetic susceptibility and the low-temperature specific heat of a double perovskite compound, Sr2CuTeO6, which is expected as the spin-1/2 square-lattice Heisenberg antiferromagnet with nearest-neighbor J1 and…

Strongly Correlated Electrons · Physics 2015-06-23 Tomoyuki Koga , Nobuyuki Kurita , Hidekazu Tanaka

A detailed study of poly- and single crystalline samples of the normal spinel HgCr2S4 is reported. The structural refinement reveals enhanced values of the atomic displacements suggesting closeness to a structural instability.…

Materials Science · Physics 2009-11-11 V. Tsurkan , J. Hemberger , A. Krimmel , H. -A. Krug von Nidda , P. Lunkenheimer , S. Weber , V. Zestrea , A. Loidl

We report neutron scattering and transport measurements on semiconducting Rb$_{0.8}$Fe$_{1.5}$S$_2$, a compound isostructural and isoelectronic to the well-studied $A_{0.8}$Fe$_{y}$Se$_2 (A=$ K, Rb, Cs, Tl/K) superconducting systems. Both…

Superconductivity · Physics 2014-09-30 Meng Wang , Wei Tian , P. Valdivia , Songxue Chi , E. Bourret-Courchesne , Pengcheng Dai , R. J. Birgeneau

La2Ni7 is an intermetallic compound that is thought to have itinerant magnetism with a small moment ordering below 65 K. A recent study of single crystal samples by Ribeiro et. al. [Phys. Rev. B 105, 014412 (2022)] determined detailed…

Strongly Correlated Electrons · Physics 2023-07-04 John M. Wilde , Aashish Sapkota , Wei Tian , Sergey L. Budko , Raquel A. Ribeiro , Andreas Kreyssig , Paul C. Canfield

Sr_2Cu_3O_4Cl_2 is an antiferromagnet consisting of weakly coupled CuO planes which comprise two weakly interacting antiferromagnetic subsystems, I and II, which order at respective temperatures T_I \approx 390K and T_{II} \approx 40K.…

Strongly Correlated Electrons · Physics 2009-10-31 A. B. Harris , A. Aharony , O. Entin-Wohlman , I. Ya. Korenblit , R. J. Birgeneau , Y. J. Kim

The magnetic state of the noncentrosymmetric antiferromagnet CeNiC$_2$ has been studied by magnetic susceptibility, heat capacity, muon spin relaxation ($\mu$SR) and inelastic neutron scattering (INS) measurements. CeNiC$_2$ exhibits three…

The Eu{+2} spins-7/2 in EuNi2As2 with the body-centered tetragonal ThCr2Si2 structure order antiferromagnetically below the Neel temperature TN =15 K into a helical antiferromagnetic (AFM) structure with the helix axis aligned along the…

Strongly Correlated Electrons · Physics 2019-10-02 N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. JOhnston

The interplay between itinerant electrons and local magnetic moments in quantum materials brings about rich and fascinating phenomena and stimulates various developments in the theoretical framework. In this work, thermodynamic, electric…

Based on experimental 59Co-NMR data in the temperature range between 0.1 and 300 K, we address the problem of the character of the Co 3d-electron based magnetism in Na0.7CoO2. Temperature dependent 59Co-NMR spectra reveal different Co…

Materials Science · Physics 2009-11-11 J. L. Gavilano , B. Pedrini , K. Magishi , J. Hinderer , M. Weller , H. R. Ott , S. M. Kazakov , J. Karpinski

$^{139}$La nuclear magnetic resonance (NMR) measurements under pressure ($p = 0-2.64$ GPa) have been carried out to investigate the static and dynamic magnetic properties of the itinerant ferromagnet LaCrGe$_3$. $^{139}$La-NMR spectra for…

Strongly Correlated Electrons · Physics 2021-06-02 K. Rana , H. Kotegawa , R. R. Ullah , E. Gati , S. L. Bud'ko , P. C. Canfield , H. Tou , V. Taufour , Y. Furukawa

Ag2CrO2 is an S=3/2 frustrated triangular lattice antiferromagnet without orbital degree of freedom. With decreasing temperature, a 4-sublatice spin state develops. However, a long-range partially disordered state with 5 sublattices…

Strongly Correlated Electrons · Physics 2012-04-13 M. Matsuda , H. Yoshida , M. Isobe , C. de la Cruz , R. S. Fishman

$^{59}$Co and $^{31}$P nuclear magnetic resonance (NMR) measurements in external magnetic and zero magnetic fields have been performed to investigate the magnetic properties of the A-type antiferromagnetic (AFM) CaCo$_2$P$_2$. NMR data,…

Strongly Correlated Electrons · Physics 2018-12-26 N. Higa , Q. -P. Ding , A. Teruya , M. Yogi , M. Hedo , T. Nakama , Y. Ōnuki , Y. Furukawa

Considering certain interesting features in the previously reported 166Er Moessbauer effect and neutron diffraction data on the polycrystalline form of ErPd2Si2 crystallizing in ThCr2Si2-type tetragonal structure, we have carried out…

Strongly Correlated Electrons · Physics 2009-11-13 E. V. Sampathkumaran , Niharika Mohapatra , Kartik K Iyer , C. D. Cao , W. Loeser , G. Behr