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We report the results of {11}B nuclear magnetic resonance (NMR) measurements of SrB_{6} and Ca_{0.995}La_{0.05}B_{6} below room temperature. Although the electrical resistivities of these two materials differ substantially, their {11}B-NMR…

Strongly Correlated Electrons · Physics 2009-10-31 J. L. Gavilano , Sh. Mushkolaj , D. Rau , H. R. Ott , A. Bianchi , D. P. Young , Z. Fisk

Static and dynamic properties of the quasi-two-dimensional antiferromagnet K$_2$V$_3$O$_8$ have been investigated by $^{51}$V-NMR experiments on nonmagnetic V$^{5+}$ sites. Above the structural transition temperature $T_{\rm{S}}$ = 115 K,…

Strongly Correlated Electrons · Physics 2019-10-01 H. Takeda , H. Yasuoka , M. Yoshida , M. Takigawa , N. J. Ghimire , D. Mandrus , B. C. Sales

V-based Kagome metals exhibit a unique lattice geometry that can give rise to exotic electronic and magnetic phenomena, making them an ideal platform to study the interplay of topology and magnetism. We present a combined thermodynamic and…

Strongly Correlated Electrons · Physics 2026-01-15 Sheetal Devi , Yishui Zhou , Thomas J. Hicken , Zurab Guguchia , Hubertus Luetkens , Min-Kai Lee , Lieh-Jeng Chang , Yixi Su

We report through 17O NMR, an unambiguous local determination of the intrinsic kagome lattice spin susceptibility as well as that created around non-magnetic defects issued from natural Zn/ Cu exchange in the S=1/2 (Cu2+) herbertsmithite…

Strongly Correlated Electrons · Physics 2009-11-13 A. Olariu , P. Mendels , F. Bert , F. Duc , J. C. Trombe , M. A. de Vries , A. Harrisson

We report the results of magnetic susceptibility $\chi$ and $^1$H nuclear magnetic resonance (NMR) measurements on a three-dimensional hyper-honeycomb lattice compound [(C$_2$H$_5$)$_3$NH]$_2$Cu$_2$(C$_2$O$_4$)$_3$ (CCCO). The average value…

Strongly Correlated Electrons · Physics 2022-03-29 Q. -P. Ding , C. Dissanayake , Santanu Pakhira , W. J. Newsome , F. Uribe-Romo , D. C. Johnston , Y. Nakajima , Y. Furukawa

The structural and magnetic properties of the two-dimensional spin-$1/2$ depleted-kagome compound Cu$_7$(TeO$_3$)$_2$(SO$_4$)$_2$(OH)$_6$ are investigated using x-ray diffraction, magnetization, heat capacity, and $^1$H Nuclear Magnetic…

Materials Science · Physics 2025-12-04 K. U. Akshay , Sebin J. Sebastian , Q. -P. Ding , Y. Furukawa , R. Nath

$^{31}$P nuclear magnetic resonance (NMR) measurements have been carried out to investigate the magnetic properties and spin dynamics of Fe$^{3+}$ ($S$ = 5/2) spins in the two-dimensional triangular lattice (TL) compound…

Strongly Correlated Electrons · Physics 2022-11-23 Devi V. Ambika , Qing-Ping Ding , Sebin J. Sebastian , Ramesh Nath , Yuji Furukawa

The square-kagome lattice, composed of two-dimensional corner-sharing triangles, provides a novel platform for studying frustrated magnetism. However, material realizations of the square-kagome lattice remain scarce. Here, we report the…

Strongly Correlated Electrons · Physics 2026-05-04 Jingjing Jing , Andreas Eich , Yiqiu Liu , Lunhua He , Aifeng Wang , Yisheng Chai , Young Sun , Yi Cui , Weiqiang Yu , Xinrun Mi , Michael Merz , Mingquan He

We report a $^7$Li nuclear magnetic resonance (NMR) study of a frustrated three-dimensional \mbox{spin-$\frac12$} antiferromagnet Li$_{2}$CuW$_{2}$O$_{8}$ and also explore the effect of non-magnetic dilution. The magnetic long-range…

Materials Science · Physics 2015-07-08 K. M. Ranjith , M. Majumder , M. Baenitz , A. A. Tsirlin , R. Nath

Temperature- and field- dependent $^1$H-, $^{19}$F-, and $^{79,81}$Br- NMR measurements together with zero - field $^{79,81}$Br-NQR measurements on polycrystalline samples of barlowite, Cu$_4$(OH)$_6$FBr are conducted to study the magnetism…

Materials Science · Physics 2018-07-19 K. M. Ranjith , C. Klein , A. A. Tsirlin , H. Rosner , C. Krellner , M. Baenitz

We report an experimental study of the static magnetization $M(H,T)$ and high-field electron spin resonance (ESR) of polycrystalline \MgGd, a representative member of the newly discovered class of the so-called tripod-kagome…

Strongly Correlated Electrons · Physics 2021-01-04 C. Wellm , J. Zeisner , A. Alfonsov , M. -I. Sturza , G. Bastien , S. Gaß , S. Wurmehl , A. U. B. Wolter , B. Büchner , V. Kataev

We consider the low-temperature behavior of NMR relaxation rates $T_1$ and $T_{2G}$ in the spin-1/2 antiferromagnetic chain. We find that $T_1 \propto const$ and $T_{2G} \propto \sqrt{T}$, with logarithmic corrections. We determine both…

Strongly Correlated Electrons · Physics 2009-10-31 V. Barzykin

The magnetic properties of Na2CuP2O7 were investigated by means of 31P nuclear magnetic resonance (NMR), magnetic susceptibility, and heat capacity measurements. We report the 31P NMR shift, the spin-lattice 1/T1, and spin-spin 1/T2…

Strongly Correlated Electrons · Physics 2016-08-31 R. Nath , A. V. Mahajan , N. Buettgen , C. Kegler , J. Hemberger , A. Loidl

We use $^{79}$Br nuclear quadrupole resonance (NQR) to demonstrate that ultra slow lattice dynamics set in below the temperature scale set by the Cu-Cu super-exchange interaction $J$~($\simeq160$~K) in the kagome lattice Heisenberg…

Strongly Correlated Electrons · Physics 2022-04-27 Jiaming Wang , Weishi Yuan , Philip M. Singer , Rebecca W. Smaha , Wei He , Jiajia Wen , Young S. Lee , Takashi Imai

We present the results of neutron diffraction studies on polycrystals of a metallic kagome lattice, Tb3Ru4Al12, reported recently to undergo reentrant magnetism, with the onset of long range antiferromagnetic order below (TN=) 22 K and…

Strongly Correlated Electrons · Physics 2019-02-20 Sudhindra Rayaprol , Andreas Hoser , Kartik K Iyer , Sanjay K Upadhyay , E. V. Sampathkumaran

The structural and magnetic properties of a spin-$\frac{1}{2}$ averievite (CsBr)Cu$_5$V$_2$O$_{10}$ are investigated by means of temperature-dependent x-ray diffraction, magnetization, heat capacity, and $^{51}$V nuclear magnetic resonance…

Materials Science · Physics 2024-11-12 S. Guchhait , D. V. Ambika , S. Mohanty , Y. Furukawa , R. Nath

muSR experiments on the geometrically frustrated spinel oxide, Li2Mn2O4, show the development of spin correlations over a range of length scales with decreasing temperature. Increased relaxation below 150 K is consistent with the onset of…

Strongly Correlated Electrons · Physics 2009-11-11 C. R. Wiebe , P. L. Russo , A. T. Savici , Y. J. Uemura , G. J. MacDougall , G. M. Luke , S. Kuchta , J. E. Greedan

Low-energy degrees of freedom of a spin-1/2 kagome antiferromagnet in the vicinity of the saturation field are mapped to a hard-hexagon model on a triangular lattice. The latter model is exactly solvable. The presented mapping allows to…

Statistical Mechanics · Physics 2007-05-23 M. E. Zhitomirsky , Hirokazu Tsunetsugu

ZnCu$_{3}$(OH)$_{6}$Cl$_{2}$ ($S=1/2$) is a promising new candidate for an ideal Kagom\'e Heisenberg antiferromagnet, because there is no magnetic phase transition down to $\sim$50 mK. We investigated its local magnetic and lattice…

Strongly Correlated Electrons · Physics 2008-10-03 T. Imai , E. A. Nytko , B. M. Bartlett , M. P. Shores , D. G. Nocera

A site-selective $^{27}$Al nuclear magnetic resonance (NMR) study is carried out on the Kondo lattice compound CePtAl$_4$Ge$_2$, which crystallizes in a rhombohedral lattice with quasi-two-dimensional Ce layers forming a triangular lattice…

Strongly Correlated Electrons · Physics 2025-12-11 H. Sakai , S. Shin , S. Kambe , Y. Tokunaga , H. Harima , E. Pomjakushina , T. Park