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We have studied the magnetic properties of the non-superconducting RuSr2Ln1.5Ce0.5Cu2O10 (Ln=Y, Dy and Ho, Ru-1222) compounds synthesized under high pressure (6 Gpa) at elevated temperature. The materials become magnetically ordered at TM…

Strongly Correlated Electrons · Physics 2016-08-31 I. Felner , V. P. S. Awana , E. Takayama-Muromachi

75As NMR spin-lattice relaxation (1/T1) and spin-echo decay (1/T2) rate measurements were performed in a single crystal of Ba(Fe0.93Rh0.07)2As2 superconductor. Below the superconducting transition temperature Tc, when the magnetic field H…

Superconductivity · Physics 2013-09-10 L. Bossoni , P. Carretta , A. Thaler , P. C. Canfield

Nuclear magnetic resonance (NMR) study of the high magnetic field (H) part of the Bose-Einstein condensed (BEC) phase of the quasi-onedimensional (quasi-1D) antiferromagnetic quantum spin-chain compound NiCl2-4SC(NH2)2 (DTN) was performed.…

The chiral helimagnet Cr1/3NbS2 has been investigated by magnetic, transport and thermal properties measurements on single crystals and by first principles electronic structure calculations. From the measured field and temperature…

Strongly Correlated Electrons · Physics 2015-03-25 N. J. Ghimire , M. A. McGuire , D. S. Parker , B. Sipos , S. Tang , J. -Q. Yan , B. C. Sales , D. Mandrus

Transport, magnetic and thermal properties at high magnetic fields (H) and low temperatures (T) of the heavy fermion compound CeAuSb_2 are reported. At H=0 this layered system exhibits antiferromagnetic order below T_N = 6 K. Applying B…

Strongly Correlated Electrons · Physics 2009-11-10 L. Balicas , S. Nakatsuji , H. Lee , P. Schlottmann , T. P. Murphy , Z. Fisk

In copper-oxide and iron-based high temperature (high-$T_{\rm c}$) superconductors, many physical properties exhibit in-plane anisotropy, which is believed to be caused by a rotational symmetry-breaking nematic order, whose origin and its…

Superconductivity · Physics 2016-03-23 R. Zhou , L. Y. Xing , X. C. Wang , C. Q. Jin , Guo-qing Zheng

The temperature dependences of spin-lattice relaxation time $T_1$ of $^{133}$Cs in CsFeCl$_3$ and $^{87}$Rb in RbFeCl$_3$ were measured in the temperature range between 1.5 K and 22 K, at various fields up to 7 T applied parallel (or…

Materials Science · Physics 2009-11-07 Mitsuru Toda , Takao Goto , Meiro Chiba , Naoshi Suzuki

In response to recent nuclear-magnetic-resonance measurements on a ferrimagnetic chain compound NiCu(C_7H_6N_2O_6)(H_2O)_3 2H_2O [Solid State Commun. {\bf 113} (2000) 433], we calculate the nuclear spin-lattice relaxation rate 1/T_1 in…

Strongly Correlated Electrons · Physics 2009-10-31 Shoji Yamamoto

We present a systematic ^{115}In NQR study on the heavy fermion compounds CeRh_{1-x}Ir_xIn_5 (x=0.25, 0.35, 0.45, 0.5, 0.55 and 0.75). The results provide strong evidence for the microscopic coexistence of antiferromagnetic (AF) order and…

Superconductivity · Physics 2009-11-10 G. -Q. Zheng , N. Yamaguchi , H. Kan , Y. Kitaoka , J. L. Sarrao , P. G. Pagliuso , N. O. Moreno , J. D. Thompson

We report results of NMR experiments on a single crystal of the quasi one-dimensional frustrated magnet LiCuVO_4. The NMR spectra of ^7Li and ^{51}V nuclei indicate a helical spin order in a magnetic field of 4 T with the helical spin plane…

Strongly Correlated Electrons · Physics 2013-08-08 Kazuhiro Nawa , Masashi Takigawa , Makoto Yoshida , Kazuyoshi Yoshimura

An unusual successive phase transition from superconducting (SC) to antiferromagnetic (AF) phases was discovered via ^{75}As and ^{27}Al nuclear magnetic resonance (NMR) in (Fe_2As_2)(Ca_6(Al, Ti)_4O_y) with four (Al, Ti)O layers…

Superconductivity · Physics 2011-08-12 T. Nakano , N. Fujiwara , S. Tsutsumi , H. Ogino , K. Kishio , J. Shimoyama

The structural and magnetic properties of the geometrically frustrated spin-$1/2$ capped-kagome antiferromagnet (RbCl)Cu$_{5}$P$_{2}$O$_{10}$ are investigated via temperature dependent x-ray diffraction, magnetization, heat capacity, and…

Materials Science · Physics 2023-09-25 S. Mohanty , J. Babu , Y. Furukawa , R. Nath

Resistively detected nuclear magnetic resonance (NMR) is observed inside the ring-like structure, with a quantized Hall conductance of 6e^2/h, in the phase diagram of a two subband electron system. The NMR signal persists up to 400 mK and…

Disordered Systems and Neural Networks · Physics 2009-11-11 X. C. Zhang , G. Scott , H. W. Jiang

The spin-liquid candidate $\kappa$-(ET)$_2$Cu$_2$(CN)$_3$ [ET: bis(ethylenedithio)tetrathiafulvalene] does not exhibit magnetic ordering down to a very low temperature, but shows a mysterious anomaly at 6 K. The origin of the so-called 6 K…

Strongly Correlated Electrons · Physics 2020-11-17 T. Kobayashi , Q. -P. Ding , H. Taniguchi , K. Satoh , A. Kawamoto , Y. Furukawa

We performed $^{13}$C-NMR experiment and measured spin-lattice relaxation rate divided by temperature $1/T_{1}T$ near the superconducting (SC) transition temperature $T_{c}$ in $\kappa$-(BEDT-TTF)$_{2}$Cu[N(CN)$_{2}$]Br ($\kappa$-Br salt),…

Superconductivity · Physics 2015-06-19 T. Kobayashi , Y. Ihara , Y. Saito , A. Kawamoto

Low-dimensional quantum magnets are a versatile materials platform for studying the emergent many-body physics and collective excitations that can arise even in systems with only short-range interactions. Understanding their low-temperature…

We report 75As-NMR measurements of the ternary iron arsenide BaFe2As2. 75As-NMR spectra clearly revealed that magnetic transition occurs at around 131 K in our samples, which corresponds to the emergence of spin density wave. Temperature…

Superconductivity · Physics 2009-11-13 H. Fukazawa , K. Hirayama , K. Kondo , T. Yamazaki , Y. Kohori , N. Takeshita , K. Miyazawa , H. Kito , H. Eisaki , A. Iyo

SmS, a prototypical intermediate valence compound, has been studied by performing high-pressure nuclear magnetic resonance measurements on a $^{33}$S-enriched sample. The observation of an additional signal below 15-20 K above a…

Strongly Correlated Electrons · Physics 2021-11-25 S. Yoshida , T. Koyama , H. Yamada , Y. Nakai , K. Ueda , T. Mito , K. Kitagawa , Y. Haga

We present the magnetic properties of three recently synthesized binuclear molecular complexes [NiNd], [NiGd] and [ZnGd] investigated by dc magnetization and proton nuclear magnetic resonance (NMR) measurements. The high-temperature…

Mesoscale and Nanoscale Physics · Physics 2011-12-01 P. Khuntia , M. Mariani , A. V. Mahajan , A. Lascialfari , F. Borsa , T. D. Pasatoiu , M. Andruh

We report the low-temperature properties of phase-pure single crystals of the half-Heusler compound CuMnSb grown by means of optical float-zoning. The magnetization, specific heat, electrical resistivity, and Hall effect of our single…

Strongly Correlated Electrons · Physics 2018-05-30 A. Regnat , A. Bauer , A. Senyshyn , M. Meven , K. Hradil , P. Jorba , K. Nemkovski , B. Pedersen , R. Georgii , S. Gottlieb-Schönmeyer , C. Pfleiderer
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