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Related papers: 27Al-NMR Study on a square-Kagome lattice antiferr…

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Quantum spin liquid (QSL) represents a new class of condensed matter states characterized by the long-range many-body entanglement of topological orders. The most prominent feature of the elusive QSL state is the existence of fractionalized…

Magnetic properties in the quasi-one-dimensional organic salt (TMTTF)2SbF6 are investigated by 13C NMR under pressures. Antiferromagnetic phase transition at ambient pressure (AFI) is confirmed. Charge-ordering is suppressed by pressure and…

Strongly Correlated Electrons · Physics 2015-05-30 F. Iwase , K. Sugiura , K. Furukawa , T. Nakamura

We investigated the rare-earth triangular-lattice antiferromagnet NdMgAl$_{11}$O$_{19}$ using single-crystal magnetization (1.8~K $\leq T \leq$ 300~K, $\mu_0 H \leq 7$~T) and specific-heat measurements down to 45~mK. The dc susceptibility…

The possibility of the emergence of some kind of long-range ordering (LRO) due to the increase of multiplicity of the local degrees of freedom (spin value $S$) is studied in an Ising antiferromagnet on a kagome lattice (IAKL) by Monte Carlo…

Statistical Mechanics · Physics 2020-07-08 M. Semjan , M. Žukovič

For the spin-$\frac{1}{2}$ Heisenberg antiferromagnet on the Kagom\'e lattice we calculate the high temperature series for the specific heat and the structure factor. A comparison of the series with exact diagonalisation studies shows that…

Condensed Matter · Physics 2009-10-22 N. Elstner , A. P. Young

The Kagome lattice has attracted extensive attention due to the diverse magnetic properties and non-trivial electronic states generated by its unique atomic arrangement, which provides an excellent system for exploring macroscopic quantum…

Strongly Correlated Electrons · Physics 2025-11-10 Yifan Deng , Ming Cheng , Lanxin Liu , Nan Zhou , Yu Zhao , Ruihuan Lan , Yongqiang Pan , Wenhai Song , Yuyan Han , Xiaoguang Zhu , Xuan Luo , Yuping Sun

We present the results of a ^{1}H NMR study of the single-component molecular conductor, [Au(tmdt)_{2}]. A steep increase in the NMR line width and a peak formation of the nuclear spin-lattice relaxation rate, 1/T_{1}, were observed at…

Strongly Correlated Electrons · Physics 2009-11-13 Y. Hara , K. Miyagawa , K. Kanoda , M. Shimamura , A. Kobayashi , H. Kobayashi

A novel cuprate Volborthite, Cu3V2O7(OH)2-2H2O, containing an S-1/2 (Cu 2+ spin) kagome-like lattice is studied by magnetic susceptibility, specific heat, and 51 V NMR measurements. Signs for neither long-range order nor spin-gapped singlet…

Strongly Correlated Electrons · Physics 2009-11-07 Z. Hiroi , M. Hanawa , N. Kobayashi , M. Nohara , H. Takagi , Y. Kato , M. Takigawa

The nuclear spin-lattice relaxation time ($T_1$) of lanthanum and aluminum nuclei in a single crystal of lanthanum aluminate doped with neodymium ions is studied to estimate the feasibility of the dynamically polarized lanthanum target…

Instrumentation and Detectors · Physics 2021-10-27 K. Ishizaki , H. Hotta , I. Ide , M. Iinuma , T. Iwata , M. Kitaguchi , H. Kohri , D. Miura , Y. Miyachi , T. Ohta , H. M. Shimizu , H. Yoshikawa , M. Yosoi

We report $^{7}$Li pulsed NMR measurements in polycrystalline and single crystal samples of the quasi one-dimensional S=1 antiferromagnet LiVGe$_2$O$_6$, whose AF transition temperature is $T_{\text{N}}\simeq 24.5$ K. The field ($B_0$) and…

Thermodynamic quantities and correlation functions (CFs) of the classical antiferromagnet on the kagom\'e lattice are studied for the exactly solvable infinite-component spin-vector model, D \to \infty. In this limit, the critical coupling…

Statistical Mechanics · Physics 2009-10-31 D. A. Garanin , Benjamin Canals

We present thermodynamic studies of a new spin-1/2 antiferromagnet containing undistorted kagome lattices---barlowite Cu$_{4}$(OH)$_{6}$FBr. Magnetic susceptibility gives $\theta_{CW}$ = $-$136 K, while long-range order does not happen…

Strongly Correlated Electrons · Physics 2014-12-05 Tian-Heng Han , John Singleton , John A. Schlueter

We have carried out muon spin relaxation (muSR), neutron diffraction and inelastic neutron scattering (INS) investigations on polycrystalline samples of Ce(Ru1-xFex)2Al10 (x=0, 0.3, 0.5, 0.8 and 1) to investigate the nature of the ground…

We present an extensive gallium NMR study of the geometrically frustrated kagome bi-layer compound SrCr_(9p)Ga_(12-9p)O_(19) (Cr^3+, S=3/2) over a broad Cr-concentration range (.72<p<.95). This allows us to probe locally the kagome bi-layer…

Strongly Correlated Electrons · Physics 2009-11-07 L. Limot , P. Mendels , G. Collin , C. Mondelli , B. Ouladdiaf , H. Mutka , N. Blanchard , M. Mekata

^25Mg NMR spectra and nuclear spin-lattice relaxation time, T_1, have been measured in polycrystalline ^25MgB_2 with a superconducting transition temperature T_c = 39.0 K in zero magnetic field. From the first order and second order…

Superconductivity · Physics 2009-11-07 M. Mali , J. Roos , A. Shengelaya , H. Keller , K. Conder

Neutron spectroscopy and diffuse neutron scattering on herbertsmithite [ZnCu3 (OH)6Cl2], a near-ideal realisation of the s = 1/2 kagome antiferromagnet, reveal the hallmark property of a quantum spin liquid; instantaneous short-ranged…

Strongly Correlated Electrons · Physics 2009-12-21 M. A. de Vries , J. R. Stewart , P. P. Deen , J. O. Piatek , G. J. Nilsen , H. M. Ronnow , A. Harrison

Volborthite compound is one of the very few realizations of S=1/2 quantum spins on a highly frustrated kagome-like lattice. Low-T SQUID measurements reveal a broad magnetic transition below 2K which is further confirmed by a peak in the 51V…

Strongly Correlated Electrons · Physics 2009-11-11 F. Bert , D. Bono , P. Mendels , F. Ladieu , F. Duc , J. -C Trombe , P. Millet

An $^{17}$O NMR measurement was performed on nonoriented polycrystalline Na$_{0.35}$CoO$_2 \cdot y$H$_2$O with superconducting (SC) transition temperature $T_\text{c} = 4.6$ K. A weak temperature dependence was observed in the Knight shift…

We have studied the Heisenberg antiferromagnets on two-dimensional frustrated lattices, triangular and kagome lattices using linear spin-wave theory. A collinear ground state ordering is possible if one of the three bonds in each triangular…

Strongly Correlated Electrons · Physics 2009-11-11 Uma Bhaumik , A. Taraphder

In order to assess the magnetic ordering process in Fe2VAl and the related material Fe2VGa, we have carried out nuclear magnetic resonance (NMR) and Mossbauer studies. 27Al NMR relaxation measurements covered the temperature range 4 -- 500…

Materials Science · Physics 2009-11-07 C. S. Lue , Yang Li , Joseph H. Ross , George M. Irwin
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