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Related papers: NMR study of AgInTe$_2$ at normal and high pressur…

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Our recent developments in in-situ nuclear magnetic resonance (NMR) spectroscopy under extreme conditions led to the observation of a wide variety of physical phenomena not accessible with standard high pressure experimental probes.…

We report the Rb nuclear magnetic resonance (NMR) results in a recently synthesized Na5RbCu4(AsO4)Cl2. This complex novel two-dimensional (2D) cuprate is an unique magnetic material, which contains layers of coupled Cu4O4 tetramers. In zero…

75As NMR and susceptiblity were measured in a Ba(Fe1-xCox)2As2 single crystal for x=6%. Nuclear Magnetic Resonance (NMR) spectra and relaxation rates allow to show that all Fe sites experience an incommensurate magnetic ordering below…

Superconductivity · Physics 2015-05-13 Y. Laplace , J. Bobroff , F. Rullier-Albenque , D. Colson , A. Forget

An unusual regime for liquid-state nuclear magnetic resonance (NMR) where the magnetic field strength is so low that the $J$-coupling (intramolecular spin-spin) interactions dominate the spin Hamiltonian opens a new paradigm with…

Atomic Physics · Physics 2019-10-02 Dmitry Budker

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

The newly discovered iron-based superconductors have triggered renewed enormous research interest in the condensed matter physics community. Nuclear magnetic resonance (NMR) is a low-energy local probe for studying strongly correlated…

Superconductivity · Physics 2015-06-16 Long Ma , Weiqiang Yu

We report combined magnetic susceptibility, dielectric constant, nuclear quadruple resonance (NQR) and zero-field nuclear magnetic resonance (NMR) measurements on single crystals of multiferroics CuBr$_2$. High quality of the sample is…

Strongly Correlated Electrons · Physics 2018-03-09 Ruiqi Wang , Jiacheng Zheng , Tao Chen , Pengshuai Wang , Jinshan Zhang , Yi Cui , Chao Wang , Yuan Li , Sheng Xu , Feng Yuan , Weiqiang Yu

We report the observation of nuclear magnetic resonance (NMR) in a ferromagnet-semiconductor heterostructure in the presence of a spin-polarized current. Spin-polarized electrons injected from a metallic ferromagnet generate a large nuclear…

Condensed Matter · Physics 2009-11-10 J. Strand , B. D. Schultz , A. F. Isakovic , X. Lou , C. J. Palmstrom , P. A. Crowell

We present the results of a ^{1}H NMR study of the single-component molecular conductor, [Au(tmdt)_{2}]. A steep increase in the NMR line width and a peak formation of the nuclear spin-lattice relaxation rate, 1/T_{1}, were observed at…

Strongly Correlated Electrons · Physics 2009-11-13 Y. Hara , K. Miyagawa , K. Kanoda , M. Shimamura , A. Kobayashi , H. Kobayashi

We have carried out $^{125}$Te nuclear magnetic resonance (NMR) in a wide temperature range of 1.5 -- 300 K to investigate electronic properties of Ge$_{50}$Te$_{50}$, Ag$_{2}$Ge$_{48}$Te$_{50}$ and Sb$_{2}$Ge$_{48}$Te$_{50}$ from a…

Materials Science · Physics 2016-08-24 J. Cui , E. M. Levin , Y. Lee , Y. Furukawa

The temperature evolution of the crystal and magnetic structures of ferroelectric sulfide AgCrS2 have been investigated by means of neutron scattering. AgCrS2 undergoes at TN = 41.6 K a first-order phase transition, from a paramagnetic…

Materials Science · Physics 2015-05-19 Francoise Damay , Christine Martin , Vincent Hardy , Gilles André , Sylvain Petit , Antoine Maignan

We present the results of $^{75}$As nuclear magnetic resonance (NMR), nuclear quadrupole resonance (NQR), and resistivity measurements in KFe$_2$As$_2$ under pressure ($p$). The temperature dependence of the NMR shift, nuclear spin-lattice…

Superconductivity · Physics 2018-05-10 P. Wiecki , V. Taufour , D. Y. Chung , M. G. Kanatzidis , S. L. Bud'ko , P. C. Canfield , Y. Furukawa

Nuclear magnetic resonance (NMR) diffusion experiments are widely employed as they yield information about structures hindering the diffusion process, e.g. about cell membranes. While it has been shown in recent articles, that these…

Medical Physics · Physics 2013-05-08 Frederik Bernd Laun , Tristan Anselm Kuder

We report 73Ge-NMR and NQR results for ferromagnetic (FM) superconductor URhGe. The magnitude and direction of the internal field, H_int, and parameters of the electric field gradient at the Ge site were determined experimentally. Using…

Magnetic materials generate demagnetizing field that depends on geometry of the sample and results in a shift of magnetic resonance frequency. This phenomenon should occur in porous nanostructures as well, e.g., in globally anisotropic…

Other Condensed Matter · Physics 2019-03-27 V. V. Dmitriev , M. S. Kutuzov , A. A. Soldatov , A. N. Yudin

Final report for a Deutsche Forschungsgemeinschaft, Eigenestelle Grant, summarizing work mainly on uniaxial-pressure-dependent nuclear magnetic resonance (NMR) investigations of BaFe$_2$As$_2$. We have conducted systematic $^{75}$As NMR…

Strongly Correlated Electrons · Physics 2025-03-24 Adam P. Dioguardi

Magnetoresistance (MR) is a characteristic that the resistance of a substance changes with the external magnetic field, reflecting various physical origins and microstructures of the substance. A large MR, namely a huge response to a low…

Materials Science · Physics 2022-03-24 Rui Niu , W. K. Zhu

Achieving atomic resolution is the ultimate limit of magnetic resonance imaging (MRI), and attaining this capability offers enormous technological and scientific opportunities, from drug development to understanding the dynamics in…

$^{11}B$ NMR and nuclear spin-lattice relaxation rate (NSLR) are reported at 7.2 Tesla and 1.4 Tesla in powder samples of the intermetallic compound $MgB_2$ with superconducting transition temperature in zero field $T_c$ = 39.2 K. From the…

Superconductivity · Physics 2009-11-07 J. K. Jung , Seung Ho Baek , F. Borsa , S. L. Bud'ko , G. Lapertot , P. C. Canfield

We report $^{75}$As Nuclear Magnetic Resonance data in a single crystal of CaFe$_2$As$_2$. The Knight shift, electric field gradient, and spin-lattice relaxation rate are strongly temperature dependent in the paramagnetic state, and change…

Strongly Correlated Electrons · Physics 2009-02-11 S. -H. Baek , N. J. Curro , T. Klimczuk , E. D. Bauer , F. Ronning , J. D. Thompson