English
Related papers

Related papers: Magnetic and Structural Studies of the Quasi-Two-D…

200 papers

We investigate magnetic, thermal, and dielectric properties of SrCuTe2O6, which is isostructural to PbCuTe2O6, a recently found, Cu-based 3D frustrated magnet with a corner sharing triangular spin network having dominant first and second…

Strongly Correlated Electrons · Physics 2016-03-16 B. Koteswararao , S. K. Panda , R. Kumar , Kyongjun Yoo , A. V. Mahajan , I. Dasgupta , B. H. Chen , Kee Hoon Kim , F. C. Chou

We present a comprehensive $^{31}$P and $^{65}$Cu nuclear magnetic resonance (NMR) study of the layered van der Waals magnet CuCrP$_2$S$_6$. The compound exhibits a sequence of structural and magnetic phase transitions: a high-temperature…

Strongly Correlated Electrons · Physics 2026-04-06 C. S. Saramgi , L. F. Prager , S. Selter , Y. Shemerliuk , S. Aswartham , B. Büchner , H. -J. Grafe , K. M. Ranjith

The three-dimensional $S = {\frac{1}{2}}$ system Y$_{3}$Cu$_{2}$Sb$_{3}$O$_{14}$ consists of two inequivalent Cu$^{2+}$ sites, each forming an edge shared triangular lattice. Our magnetic susceptibility $\chi(T)$, specific heat $C_p(T)$,…

The intricate interplay between frustration and spin chirality has the potential to give rise to unprecedented phases in frustrated quantum magnets. We examine the ground state phase diagram of the spin-1/2 square lattice J1-J2-Jx model by…

Strongly Correlated Electrons · Physics 2025-04-22 Jianwei Yang , Zhao Liu , Ling Wang

The atomic and magnetic structures of (Cu$X$)LaNb$_2$O$_7$ ($X$=Cl and Br) are investigated using the density-functional calculations. Among several dozens of examined structures, an orthorhombic distorted $2\times 2$ structure, in which…

Strongly Correlated Electrons · Physics 2015-05-14 Chung-Yuan Ren , Ching Cheng

Non-magnetic impurities break a quantum spin chain into finite segments and induce Friedel-like oscillations in the local susceptibility near the edges. The signature of these oscillations has been observed in Knight shift experiments on…

Strongly Correlated Electrons · Physics 2009-06-22 J. Sirker , N. Laflorencie

The proton hyperfine shift K and NMR relaxation rate $1/T_1$ have been measured as a function of temperature in the S=1/2 Heisenberg antiferromagnetic ladder Cu2(C5H12N2)2Cl4. The presence of a spin gap $\Delta \simeq J_\perp-J_\parallel$…

Strongly Correlated Electrons · Physics 2009-10-30 G. Chaboussant , M. -H. Julien , Y. Fagot-Revurat , L. P. Levy , C. Berthier , M. Horvatic , O. Piovesana

The magnetic field-induced 3D ordered phase of the two-leg spin-ladder Cu2(C5N2H12)2Cl4 has been probed through measurements of 1H NMR spectra and 1/T1 in the temperature range 70~mK - 1.2 K. The second order transition line Tc(H) has been…

Strongly Correlated Electrons · Physics 2007-05-23 H. Mayaffre , M. Horvatic , C. Berthier , M. -H. Julien , P. Segransan , L. Levy , O. Piovesana

Structural, electronic, and magnetic properties of modified cubic spinel compound LiNi$_{0.5}$Mn$_{1.5}$O$_{4}$ are studied via x-ray diffraction, resistivity, DC and AC magnetization, heat capacity, neutron diffraction, $^7$Li nuclear…

Materials Science · Physics 2020-12-02 S. S. Islam , Vikram Singh , K Somesh , Prashanta K Mukharjee , A. Jain , S. M. Yusuf , R. Nath

We report a neutron diffraction and muon spin relaxation muSR study of static and dynamical magnetic properties of BaCo2V2O8, a quasi-one-dimensional spin-chain system. A proposed model for the antiferromagnetic structure includes: a…

Single crystals of the lightly-doped spin-Peierls system Cu(1-x)Cd(x)GeO3 have been studied using bulk susceptibility, x-ray diffraction, and inelastic neutron scattering techniques. We investigate the triplet gap in the magnetic excitation…

Strongly Correlated Electrons · Physics 2009-11-13 S. Haravifard , K. C. Rule , H. A. Dabkowska , B. D. Gaulin , Z. Yamani , W. J. L. Buyers

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.…

We report Cd NMR and Re NQR studies on Cd2Re2O7, the first superconductor among pyrochlore oxides Tc=1 K. Re NQR spectrum at zero magnetic field below 100 K rules out any magnetic or charge order. The spin-lattice relaxation rate below Tc…

Superconductivity · Physics 2013-03-05 O. Vyaselev , K. Arai , K. Kobayashi , J. Yamazaki , K. Kodama , M. Takigaawa , M. Hanawa , Z. Hiroi

We present a computational study of the layered copper oxychloride [CuCl]LaNb(2)O(7) that has been recently proposed as a spin-1/2 frustrated square lattice compound. Our results evidence an orbitally degenerate ground state for the…

Strongly Correlated Electrons · Physics 2009-06-17 Alexander A. Tsirlin , Helge Rosner

The magnetic properties of the two isostructural molecule-based magnets, Ni(NCS)$_{2}$(thiourea)$_{2}$, $S$ = 1, [thiourea = SC(NH$_2$)$_2$] and Co(NCS)$_{2}$(thiourea)$_{2}$, $S$ = 3/2, are characterised using several techniques in order…

The superconducting state of the newly discovered superconductor K$_2$Cr$_3$As$_3$ with a quasi-one-dimensional crystal structure ($T_{\bf c}\sim$ 6 K) has been investigated by using magnetization and muon-spin relaxation or rotation…

In this work, we report nuclear magnetic resonance (NMR) combined with density functional theory (DFT) studies of the transition metal dichalcogenide ZrTe$_2$. The measured NMR shift anisotropy reveals a quasi-2D behavior connected to a…

Strongly Correlated Electrons · Physics 2020-10-28 Yefan Tian , Nader Ghassemi , Joseph H. Ross

We report nuclear magnetic resonance measurements of the spin-1/2 anisotropic triangular lattice antiferromagnet Cs$_2$CuCl$_4$ as a function of temperature and applied magnetic field. The observed temperature and magnetic field dependence…

Strongly Correlated Electrons · Physics 2015-06-04 M. -A. Vachon , G. Koutroulakis , V. F. Mitrović , Ookie Ma , J . B. Marston , A. P. Reyes , P. Kuhns , R. Coldea , Z. Tylczynski

We report synthesis and magnetic properties of quasi-one-dimensional spin-$\frac{1}{2}$ Heisenberg antiferromagnetic chain compound BaNa$_2$Cu(VO$_4$)$_2$. This orthovanadate has a centrosymmetric crystal structure, $C2/c$, where the…

We investigate the magnetic ground state and phase transitions in the frustrated three-dimensional system CaMn2P2 using first-principles calculations combined with spin-dynamics simulations. Our DFT+U calculations reveal that CaMn2P2…

Strongly Correlated Electrons · Physics 2025-06-13 Bidyut Mallick , Sk. Soyeb Ali , S. K. Panda
‹ Prev 1 3 4 5 6 7 10 Next ›