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Related papers: Spin-lattice relaxation in bismuth chalcogenides

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The quasiparticle density of states in correlated and quantum-critical metals directly probes the effect of electronic correlations on the Fermi surface. Measurements of the nuclear spin-lattice relaxation rate provide one such experimental…

Strongly Correlated Electrons · Physics 2023-05-25 A. Khansili , A. Bangura , R. D. McDonald , B. J. Ramshaw , A. Rydh , A. Shekhter

We examine the nuclear spin-lattice relaxation rates $1/T_1$ of PuRhGa$_5$ and PuCoGa$_5$, both in the superconducting and normal states, as well as their Knight shifts. Results for both compounds are consistent with a superconducting gap…

Strongly Correlated Electrons · Physics 2013-05-29 Yunkyu Bang , M. J. Graf , N. J. Curro , A. V. Balatsky

In this Rapid Communication, a set of $^{209}$Bi-nuclear magnetic resonance (NMR)/nuclear quadrupole resonance (NQR) measurements has been performed to investigate the physical properties of superconducting (SC) BaTi$_2$Bi$_2$O from a…

Superconductivity · Physics 2018-12-21 Shunsaku Kitagawa , Kenji Ishida , Wataru Ishii , Takeshi Yajima , Zenji Hiroi

The ternary semiconductor AgInTe$_2$ is a thermoelectric material with chalcopyrite-type structure that transforms reversibly into a rocksalt-type structure under high pressure. Nuclear magnetic resonance (NMR) is considered to provide…

Materials Science · Physics 2024-10-01 Robin Guehne , Carsten Kattinger , Marko Bertmer , Simon Welzmiller , Oliver Oeckler , Jürgen Haase

We study the nuclear spin-lattice relaxation rate $1/T_1$ in the two-leg antiferromagnetic spin-1/2 Heisenberg ladder. More specifically, we consider the contribution to $1/T_1$ from the processes with momentum transfer $(\pi,\pi)$. In the…

Condensed Matter · Physics 2009-10-31 D. A. Ivanov , Patrick A. Lee

We report $^{75}$As nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) studies on the superconductor Rb$_{2}$Cr$_{3}$As$_{3}$ with a quasi one-dimensional crystal structure. Below $T\sim$ 100 K, the spin-lattice…

Superconductivity · Physics 2015-10-07 J. Yang , Z. T. Tang , G. H. Cao , Guo-qing Zheng

Multirate characterization of spin responses in nuclear magnetic resonance (NMR) is a promising approach to fingerprinting complex molecules in the presence of multiple relaxation mechanisms. Here we present experimental and theoretical…

Quantum Physics · Physics 2026-05-01 Georgiy Baroncha , Alexander Perepukhov , Boris V. Fine

Quasi-one-dimensional electron systems display intrinsic instability towards long-range ordered phases at sufficiently low temperatures. The superconducting orders are of particular interest as they can possess either singlet or triplet…

Optically active defects in solids with accessible spin states are promising candidates for solid state quantum information and sensing applications. To employ these defects as quantum building blocks, coherent manipulation of their spin…

The effect of isoelectronic substitutions on the microscopic properties of LaFe1-xRuxAsO, for 0< x< 0.8, has been investigated by means of muSR and 139La NMR. It was found that Ru substitution causes a progressive reduction of the N\`eel…

We report the $^{11}$B nuclear magnetic resonance (NMR) measurements on non-centrosymmetric superconductors NbRh$_2$B$_2$ (superconducting transition temperature $T_c$ = 7.8 K) and TaRh$_2$B$_2$ ($T_c$ = 5.9 K) with a chiral crystal…

Superconductivity · Physics 2021-12-22 Kazuaki Matano , Ryo Ogura , Mateo Fountainea , Harald O. Jeschke , Shinji Kawasaki , Guo-qing Zheng

We have investigated a gap structure in a newly-discovered superconductor, MgB2 through the measurement of 11B nuclear spin-lattice relaxation rate, ^{11}(1/T_1). ^{11}(1/T_1) is proportional to the temperature (T) in the normal state, and…

Superconductivity · Physics 2009-11-07 H. Kotegawa , K. Ishida , Y. Kitaoka , T. Muranaka , J. Akimitsu

NMR spectra and nuclear spin-lattice relaxation rate $T_1^{-1}$ of $^{11}$B have been measured in superconducting polycrystalline MgB$_{2}$ with $T_C^{ons}\cong 39.5K$. It is shown that $(T_{1}T)^{-1}$ and the Knight shift $K_{s}$ are…

Superconductivity · Physics 2007-05-23 A. Gerashenko , K. Mikhalev , S. Verkhovskii , T. D'yachkova , A. Tyutyunnik , V. Zubkov

We report a $^{139}$La-NMR study of polycrystalline samples of multi($n$)-layered nickelates, La$_3$Ni$_2$O$_{7-\delta}$ ($n=2$) and La$_4$Ni$_3$O$_{10-\delta}$ ($n=3$), at ambient pressure. Measurements of the nuclear magnetic resonance…

While each atom species in PbSe corresponds to a single crystallographic site and transport measurements reveal a single carrier density, $^{207}$Pb NMR reveals a more complicated picture than previously thought comprising three discrete…

Materials Science · Physics 2015-06-23 Dimitrios Koumoulis , Robert E. Taylor , Danny King , Louis-S. Bouchard

We present a systematic study of the variations of the ^{7}Li NMR properties versus magnetic defect concentration up to 0.83 mol% within the spinel structure of polycrystalline powder samples and a collection of small single crystals of…

Strongly Correlated Electrons · Physics 2010-11-12 X. Zong , S. Das , F. Borsa , M. D. Vannette , R. Prozorov , J. Schmalian , D. C. Johnston

Competition with magnetism is at the heart of high temperature superconductivity, most intensely felt near a vortex core. To investigate vortex magnetism we have developed a spatially resolved probe using nuclear magnetic resonance. Our…

Superconductivity · Physics 2010-11-09 A. M. Mounce , S. Oh , S. Mukhopadhyay , W. P. Halperin , A. P. Reyes , P. L. Kuhns , K. Fujita , M. Ishikado , S. Uchida

Based on a model Hamiltonian with a d-wave pairing interaction and a competing antiferromagnetic interaction, we numerically study the site dependence of the nuclear spin resonance (NMR) relaxation rate T_1^{-1} as a function of temperature…

Superconductivity · Physics 2007-05-23 Yan Chen , Jian-Xin Zhu , C. S. Ting

The negatively charged boron vacancy $V_B^-$ defect in hexagonal boron nitride (hBN) has recently emerged as a promising spin qubit for sensing due to its high-temperature spin control and versatile integration into van der Waals…

Quantum Physics · Physics 2025-11-24 Chanaprom Cholsuk , Tobias Vogl , Viktor Ivády

The ZrSiS-class of layered materials offer interesting topological and magnetic characteristics suitable for spintronics applications. In this work, we have synthesized a polycrystalline NdBiTe using solid-state reaction technique and have…

Strongly Correlated Electrons · Physics 2024-10-02 Prabuddha Kant Mishra , Shivani Kumawat , Soumyakanta Panda , Niharika Mohapatra , B K Mani , Ashok Kumar Ganguli