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We apply $^{125}$Te nuclear magnetic resonance (NMR) spectroscopy to investigate the Dirac semimetal ZrTe$_5$. With the NMR magnetic field parallel to the $b$-axis, we observe significant quantum magnetic effects. These include an abrupt…

Strongly Correlated Electrons · Physics 2021-06-14 Yefan Tian , Nader Ghassemi , Joseph H. Ross

We report high-pressure magnetization and $^{35}$Cl NMR studies on $\alpha$-RuCl$_3$ with pressure up to 1.5~GPa. At low pressures, the magnetic ordering is identified by both the magnetization data and the NMR data, where the $T_N$ shows a…

Strongly Correlated Electrons · Physics 2017-12-06 Y. Cui , J. Zheng , K. Ran , Jinsheng Wen , Zhengxin Liu , B. Liu , Wenan Guo , Weiqiang Yu

We report $^{77}$Se-nuclear magnetic resonance (NMR) results down to sufficiently low temperatures under magnetic fields parallel to both the $ab$-plane and the c-axis in a paramagnetic/superconducting (PM/SC) phase of…

Nuclear magnetic resonance (NMR) measurements on the $^{195}$Pt nucleus in an aligned powder of the moderately heavy-fermion material U2PtC2 are consistent with spin-triplet pairing in its superconducting state. Across the superconducting…

Superconductivity · Physics 2015-06-24 A. M. Mounce , H. Yasuoka , G. Koutroulakis , N. Ni , E. D. Bauer , F. Ronning , J. D. Thompson

Systematic measurements of temperature dependent magnetization, resistivity and angle-resolved photoemission spectroscopy (ARPES) at ambient pressure as well as resistivity under pressures up to 5.25 GPa were conducted on single crystals of…

Nuclear magnetic resonance (NMR) technique benefits from high magnetic field not only due to the field-enhanced measurement sensitivity and resolution, but also because it is a powerful tool to investigate field-induced physics in modern…

Instrumentation and Detectors · Physics 2023-05-05 Wenqi Wei , Qinying Liu , Le Yuan , Jian Zhang , Shiyu Liu , Rui Zhou , Yongkang Luo , Xiaotao Han

We report a 139La-NMR study of Ba2La2CoTe2O12, S = 1/2 equilateral triangular-lattice antiferromagnet with easy-plane anisotropy at low temperatures. This compound undergoes a magnetic phase transition at TN = 3.26 K into an ordered state…

Nuclear magnetic resonance (NMR) shifts, if stripped off their uncertainties, must hold key information about the electronic fluid in the cuprates. The early shift interpretation that favored a single-fluid scenario will be reviewed, as…

Superconductivity · Physics 2017-05-23 Jürgen Haase , Michael Jurkutat , Jonas Kohlrautz

Anisotropic magnetoresistance (AMR) of Cr2Ge2Te6 (CGT), a layered ferromagnetic insulator, is investigated under an applied hydrostatic pressure up to 2 GPa. The easy axis direction of the magnetization is inferred from the AMR saturation…

Magnetoresistance is the change of a material's electrical resistance in response to an applied magnetic field. In addition to its intrinsic scientific interest, it is a technologically important property, placing it in "Pasteur's quadrant"…

To investigate the intrinsic magnetic properties of UTe$_2$, we performed $^{125}$Te-NMR measurements on the ultra-clean single-crystalline UTe$_2$ with superconducting transition temperature $T_{\rm c}$ = 2.1~K and compared the results…

We report ^{115}In and ^{59}Co Nuclear Magnetic Resonance (NMR) measurements in the heavy fermion superconductor CeCoIn_5 above and below T_c. The hyperfine couplings of the In and Co are anisotropic and exhibit dramatic changes below 50K…

Strongly Correlated Electrons · Physics 2009-11-07 N. J. Curro , B. Simovic , P. C. Hammel , P. G. Pagliuso , G. B. Martins , J. L. Sarrao , J. D. Thompson

Cuprates currently hold the record for the highest temperature superconductivity at ambient pressure, but the microscopic understanding of these materials remains elusive. Here we utilize nuclear magnetic resonance (NMR) data of planar…

Superconductivity · Physics 2025-06-04 Daniel Bandur , Abigail Lee , Jakob Nachtigal , Stefan Tsankov , Juergen Haase

Complementary $^{77}$Se nuclear magnetic resonance (NMR) and electrical transport have been used to correlate the spin density dynamics with the subphases of the field-induced spin density wave (FISDW) ground state in \tmt. We find that the…

Strongly Correlated Electrons · Physics 2009-11-13 L. L. Lumata , J. S. Brooks , P. L. Kuhns , A. P. Reyes , S. E. Brown , H. B. Cui , R. C. Haddon

Spin-orbit coupling (SOC) is expected to partly determine the topologically nontrivial electronic structure of heavy half-Heusler ternary compounds. However, to date, attempts to experimentally observe either the strength of SOC or how it…

Strongly Correlated Electrons · Physics 2016-03-01 Xiaoming Zhang , Zhipeng Hou , Yue Wang , Guizhou Xu , Chenglong Shi , EnKe Liu , Xuekui Xi , Wenhong Wang , Guangheng Wu , Xi-xiang Zhang

To investigate the paramagnetic properties of YbCuS2 under magnetic fields, we have performed the 63/65Cu-nuclear magnetic resonance (NMR) measurements. The NMR spectra can be reproduced by the simulations of the three-dimensional powder…

Strongly Correlated Electrons · Physics 2025-02-04 Fumiya Hori , Shunsaku Kitagawa , Kenji Ishida , Yudai Ohmagari , Takahiro Onimaru

We report the nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) measurements for non-centrosymmetric superconductors Re7B3, LaBiPt, and BiPd containing heavy elements. For all three compounds, the spin-lattice…

We report the anomalous breakdown in the scaling of the microscopic magnetic susceptibility, as measured via the ${}^{31}$P nuclear magnetic resonance (NMR) shift $K$, with the bulk magnetic susceptibility $\chi$ in the paramagnetic state…

Strongly Correlated Electrons · Physics 2022-01-26 F. Bougamha , S. Selter , Y. Shemerliuk , S. Aswartham , A. Benali , B. Büchner , H. -J. Grafe , A. P. Dioguardi

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

We report on NMR studies of the quasi--1D antiferromagnetic $S=1/2$ chain cuprate LiCuVO$_4$, focusing on the high--field spin--modulated phase observed recently in applied magnetic fields $H > H_{\rm c2}$ ($\mu_0H_{\rm c2} \approx 7.5$ T).…

Materials Science · Physics 2010-02-12 N. Buttgen , W. Kraetschmer , L. E. Svistov , L. A. Prozorova , A. Prokofiev