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Related papers: Nuclear spin-lattice relaxation time in UCoGe

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The low-temperature magnetic properties of LaCoGe with the tetragonal CeFeSi-type structure were investigated by ^{59}Co- and ^{139}La-nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) measurements. The nuclear…

Strongly Correlated Electrons · Physics 2015-06-16 Kosuke Karube , Taisuke Hattori , Kenji Ishida , Nobuyuki Tamura , Kazuhiko Deguchi , Noriaki K. Sato

Measurements of the magnetic irreversibility line and time-logarithmic decay of the magnetization are described for three $Fe_{2}O_{3}$ samples composed of regular amorphous, acicular amorphous and crystalline nanoparticles. The relaxation…

Condensed Matter · Physics 2009-10-31 R. Prozorov , Y. Yeshurun , T. Prozorov , A. Gedanken

7Li NMR measurements were performed in the metallic spinel LiV2O4. The temperature dependencies of the line width, the Knight shift and the spin-lattice relaxation rate were investigated in the temperature range 30 mK < T < 280 K. For…

Strongly Correlated Electrons · Physics 2016-08-15 H. Kaps , N. Büttgen , W. Trinkl , A. Loidl , M. Klemm , S. Horn

Nuclear quadrupole resonance measurements were performed on the heavy fermion superconductor Ce2PdIn8. Above the Kondo coherence temperature T_coh \simeq 30K, the spin-lattice relaxation rate 1/T_1 is temperature independent, whereas at…

Superconductivity · Physics 2012-09-14 H. Fukazawa , R. Nagashima , S. Shimatani , Y. Kohori , D. Kaczorowski

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

We consider the isotropic $S=1$ Heisenberg chain with a finite Haldane gap $\Delta$ and use state-of-the-art numerical techniques to investigate its dynamical properties at finite temperature, focusing on the nuclear spin-lattice relaxation…

Strongly Correlated Electrons · Physics 2019-09-19 Sylvain Capponi , Maxime Dupont , Anders W. Sandvik , Pinaki Sengupta

The high magnetic field behaviour of the triangular lattice antiferromagnet CuFeO_2 is studied using single crystal neutron diffraction measurements in a field of up to 14.5 T and also by magnetisation measurements in a field of up to 12 T.…

Strongly Correlated Electrons · Physics 2009-10-31 O. A. Petrenko , G. Balakrishnan , M. R. Lees , D. McK Paul , A. Hoser

The proton nuclear spin-lattice relaxation rate 1/T1 has been measured as a function of temperature and magnetic field (up to 15 T) in the molecular magnetic ring Fe10. Striking enhancement of 1/T1 is observed around magnetic field values…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 M. -H. Julien , Z. H. Jang , A. Lascialfari , F. Borsa , M. Horvatic , A. Caneschi , D. Gatteschi

We present a careful analysis of the temperature dependence of the nuclear spin-lattice relaxation rate $1/T_1$ in gapped quasi-1D Heisenberg antiferromagnets. It is found that in order to estimate the value of the gap correctly from…

Strongly Correlated Electrons · Physics 2007-05-23 R. Melzi , P. Carretta

We present a nuclear magnetic resonance (NMR) and electron spin resonance (ESR) study of rare-earth titanates derived from the spin-1/2 Mott insulator YTiO$_3$. Measurements of single-crystalline samples of (Y,Ca,La)TiO$_3$ in a wide range…

Strongly Correlated Electrons · Physics 2024-05-10 Ana Najev , Sajna Hameed , Alexey Alfonsov , Joseph Joe , Vladislav Kataev , Martin Greven , Miroslav Požek , Damjan Pelc

Magnetic skyrmions are nano-sized topologically protected spin textures with particle-like properties. They can form lattices perpendicular to the magnetic field and the orientation of these skyrmion lattices with respect to the…

Strongly Correlated Electrons · Physics 2017-11-22 L. J. Bannenberg , F. Qian , R. M. Dalgliesh , N. Martin , G. Chaboussant , M. Schmidt , D. L. Schlagel , T. A. Lograsso , H. Wilhelm , C. Pappas

Site-dependent NMR relaxation time $T_1({\bf r})$ is calculated in the vortex state using the Bogoliubov-de Gennes theory, taking account of possible "field-induced stripe'' states in which the magnetism arises locally around a vortex core…

Superconductivity · Physics 2009-11-07 Mitsuaki Takigawa , Masanori Ichioka , Kazushige Machida

The magnetic state of the single-component molecular compound, [Cu(tmdt)$_{2}$], is investigated by means of $^{1}$H-NMR. An abrupt spectral broadening below 13 K and a sharp peak in nuclear spin-lattice relaxation rate, $T_{1}^{-1}$, at 13…

Strongly Correlated Electrons · Physics 2012-05-31 Rina Takagi , Kazuya Miyagawa , Kazushi Kanoda , Biao Zhou , Akiko Kobayashi , Hayao Kobayashi

We present muon spin lattice relaxation measurements in the V15 spin 1/2 molecular nano-magnet. We find that the relaxation rate in low magnetic fields (<5 kG) is temperature independent below ~10 K, implying that the molecular spin is…

Mesoscale and Nanoscale Physics · Physics 2008-08-28 Z. Salman , R. F. Kiefl , K. H. Chow , W. A. MacFarlane , T. Keeler , T. Parolin , S. Tabbara , D. Wang

We present the temperature dependence of the uniform susceptibility of spin-half quantum antiferromagnets on spatially anisotropic triangular-lattices, using high temperature series expansions. We consider a model with two exchange…

Strongly Correlated Electrons · Physics 2009-11-10 Weihong Zheng , Rajiv R. P. Singh , Ross H. McKenzie , Radu Coldea

A $^{59}$Co nuclear quadrupole resonance (NQR) was performed on a single-crystalline ferromagnetic (FM) superconductor UCoGe under pressure. The FM phase vanished at a critical pressure $P_c$, and the NQR spectrum just below $P_c$ showed…

Strongly Correlated Electrons · Physics 2019-01-28 Masahiro Manago , Shunsaku Kitagawa , Kenji Ishida , Kazuhiko Deguchi , Noriaki K. Sato , Tomoo Yamamura

Detailed magnetization, specific heat, and $^7$Li nuclear magnetic resonance (NMR) measurements on single crystals of the hyperhoneycomb Kitaev magnet $\beta$-Li$_2$IrO$_3$ are reported. At high temperatures, {\cred anisotropy of the…

Strongly Correlated Electrons · Physics 2019-07-30 M. Majumder , F. Freund , T. Dey , M. Prinz-Zwick , N. Büttgen , Y. Skourski , A. Jesche , A. A. Tsirlin , P. Gegenwart

We measure the spin-lattice relaxation of donor bound electrons in ultrapure, isotopically enriched, phosphorus-doped $^{28}$Si:P. The optical pump-probe experiments reveal at low temperatures extremely long spin relaxation times which…

Mesoscale and Nanoscale Physics · Physics 2021-04-13 Eduard Sauter , Nikolay V. Abrosimov , Jens Hübner , Michael Oestreich

We report a magnetoresistance study of the superconducting ferromagnet UCoGe. The data, taken on single-crystalline samples, show a pronounced structure at $B^* = 8.5$~T for a field applied along the ordered moment $m_0$. Angle dependent…

Superconductivity · Physics 2014-11-05 T. V. Bay , A. M. Nikitin , T. Naka , A. McCollam , Y. K. Huang , A. de Visser

We report {\beta} detected nuclear magnetic resonance ({\beta}NMR) measurements of 8Li+ implanted into high purity Pt. The frequency of the 8Li {\beta}NMR resonance and the spin-lattice relaxation rates 1/T1 were measured at temperatures…

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