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Spin correlations and fluctuations in the 3d-transition-metal-based icosahedral quasicrystal Zn-Fe-Sc have been investigated by neutron scattering using polycrystalline samples. Magnetic diffuse scattering has been observed in the elastic…

A gradual spin-state transition occurs in LaCoO3 around T~80-120 K, whose detailed nature remains controversial. We studied this transition by means of inelastic neutron scattering (INS), and found that with increasing temperature an…

Strongly Correlated Electrons · Physics 2008-02-22 A. Podlesnyak , S. Streule , J. Mesot , M. Medarde , E. Pomjakushina , K. Conder , M. W. Haverkort , D. I. Khomskii

We report 209Bi NMR and NQR measurements on a single crystal of the Kondo insulator U3Bi4Ni3. The 209Bi nuclear spin-lattice relaxation rate ($T_1^{-1}$) shows activated behavior and is well-fit by a spin gap of 220 K. The 209Bi Knight…

Strongly Correlated Electrons · Physics 2009-05-20 S. -H. Baek , N. J. Curro , T. Klimczuk , H. Sakai , E. D. Bauer , F. Ronning , J. D. Thompson

We investigate nuclear spin-lattice relaxation data in the normal state of optimally doped YBaCuO_7 by analyzing the contributions to the relaxation rate of the copper, planar oxygen and yttrium along the directions perpendicular to the…

Superconductivity · Physics 2009-11-11 A. Uldry , P. F. Meier

We carried out inelastic neutron scattering to study the spin-orbital (SO) exciton in a single crystal sample of CoTiO$_3$ as a function of temperature. CoTiO$_3$ is a honeycomb magnet with dominant XY-type magnetic interaction and an…

Strongly Correlated Electrons · Physics 2020-10-14 Bo Yuan , M. B. Stone , Guo-Jiun Shu , F. C. Chou , Xin Rao , J. P. Clancy , Young-June Kim

SmCrO$_3$ single crystals were successfully grown utilizing the high-pressure optical floating-zone method and their crystal structure, magnetization behavior, and magnetic phase diagrams were thoroughly investigated. Magnetic studies were…

Strongly Correlated Electrons · Physics 2025-06-05 Ning Yuan , Erik Walendy , Nour Maraytta , Waldemar Hergett , Luca Bischof , Michael Merz , Rüdiger Klingeler

We report a comprehensive experimental investigation of the structural, thermodynamic, static, and dynamic properties of a triangular lattice antiferromagnet Rb$_3$Yb(VO$_4$)$_2$. Through the analysis of magnetic susceptibility,…

Materials Science · Physics 2025-06-10 Sebin J. Sebastian , R. Kolay , Abhidev. B , Q. -P. Ding , Y. Furukawa , R. Nath

Polarized neutron inelastic scattering has been used to measure spin excitations in ferromagnetic La$_{0.82}$Sr$_{0.18}$CoO$_{3}$. The magnon spectrum of these spin excitations is well defined at low energies but becomes heavily damped at…

Strongly Correlated Electrons · Physics 2010-10-08 R. A. Ewings , P. G. Freeman , M. Enderle , J. Kulda , D. Prabhakaran , A. T. Boothroyd

The study of hyperfine interaction by high-resolution inelastic neutron scattering is not very well known compared to the other competing techniques viz. NMR, M\"ossbauer, PACS etc. Also the study is limited mostly to magnetically ordered…

Strongly Correlated Electrons · Physics 2018-10-03 T. Chatterji , B. Frick , M. Zamponi , M. Appel , H. S. Nair , R. Pradheesh , G. R. Hariprya , V. Sankaranarayanan , K. Sethupathi

We report on 31P-NMR studies of LaFe(As_{1-x}P_x)(O_{1-y}F_{y}) over wide compositions for 0<x<1 and 0<y<0.14, which provide clear evidence that antiferromagnetic spin fluctuations (AFMSFs) are one of the indispensable elements for…

Superconductivity · Physics 2016-04-15 T. Shiota , H. Mukuda , M. Uekubo , F. Engetsu , M. Yashima , Y. Kitaoka , K. T. Lai , H. Usui , K. Kuroki , S. Miyasaka , S. Tajima

We report magnetization, electron spin resonance (ESR), and muon spin relaxation ($\mu $SR) measurements on single crystals of the $S=1/2$ (Cu$% ^{+2}$) kagom\'{e} compound Cu(1,3-benzendicarboxylate). The $\mu $SR is carried to…

Strongly Correlated Electrons · Physics 2015-06-18 Oren Ofer , Lital Marcipar , V. Ravi Chandra , Snir Gazit , Daniel Podolsky , Daniel P. Arovas , Amit Keren

We report Cu and La nuclear magnetic resonance (NMR) measurements in the title compound that reveal an inhomogeneous glassy behavior of the spin dynamics. A low temperature peak in the La spin lattice relaxation rate and the ``wipeout'' of…

Strongly Correlated Electrons · Physics 2009-10-31 N. J. Curro , P. C. Hammel , B. J. Suh , M. Hücker , B. Büchner , U. Ammerahl , A. Revcolevschi

The temperature-dependent electron spin relaxation of positively charged excitons in a single InAs quantum dot (QD) was measured by time-resolved photoluminescence spectroscopy at zero applied magnetic fields. The experimental results show…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 X. M. Dou , B. Q. Sun , D. S. Jiang , H. Q. Ni , Z. C. Niu

Spin fluctuations have a substantial influence on the electron and lattice behaviors in magnetic materials, which, however, is difficult to be tracked properly by prevalent first-principles methods. We propose a versatile self-adaptive…

Materials Science · Physics 2023-02-14 Zefeng Cai , Ke Wang , Yong Xu , Su-Huai Wei , Ben Xu

The electronic and magnetic properties of K$_{2}$CuP$_{2}$O$_{7}$ were investigated by means of susceptibility, specific heat and $^{31}$P nuclear magnetic resonance (NMR) measurements and by LDA band structure calculations. The temperature…

Strongly Correlated Electrons · Physics 2009-11-13 R. Nath , Deepa Kasinathan , H. Rosner , M. Baenitz , C. Geibel

We present $^{77}$Se-NMR measurements on single-crystalline FeSe under pressures up to 2 GPa. Based on the observation of the splitting and broadening of the NMR spectrum due to structural twin domains, we discovered that static, local…

Strongly Correlated Electrons · Physics 2017-12-13 P. Wiecki , M. Nandi , A. E. Böhmer , S. L. Bud'ko , P. C. Canfield , Y. Furukawa

We present nuclear magnetic resonance (NMR) measurements on the three distinct In sites of CeCoIn$_5$ with magnetic field applied in the [100] direction. We identify the microscopic nature of the long range magnetic order (LRO) stabilized…

Strongly Correlated Electrons · Physics 2015-05-14 G. Koutroulakis , M. D. Stewart, , V. F. Mitrović , M. Horvatić , C. Berthier , G. Lapertot , J. Flouquet

Magnetic susceptibility and muon spin relaxation (muSR) experiments have been carried out on the quasi-2D triangular-lattice spin S = 2 antiferromagnet FeGa2S4. The muSR data indicate a sharp onset of a frozen or nearly-frozen spin state at…

Strongly Correlated Electrons · Physics 2015-06-11 Songrui Zhao , P. Dalmas de R/'eotier , A. Yaouanc , D. E. MacLaughlin , J. M. Mackie , O. O. Bernal , Y. Nambu , T. Higo , S. Nakatsuji

In order to determine the superconducting paring state in the ferromagnetic superconductor UCoGe, ^{59}Co NMR Knight shift, which is directly related to the microscopic spin susceptibility, was measured in the superconducting state under…

Superconductivity · Physics 2014-06-12 T. Hattori , K. Karube , Y. Ihara , K. Ishida , K. Deguchi , N. K. Sato , T. Yamamura

$^{75}$As and $^{139}$La field-swept NMR spectra were obtained for the novel weakly itinerant ferromagnet LaCoAsO with 2D layered structure above the Curie temperature of 55 K. By analyzing NMR spectra, temperature dependences of Knight…

Strongly Correlated Electrons · Physics 2010-04-27 Hiroto Ohta , Chishiro Michioka , Kazuyoshi Yoshimura
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