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Related papers: NMR study of native defects in PbSe

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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

Quantum emitters in hexagonal boron nitride (hBN) that exhibit optically detected magnetic resonance (ODMR) signatures have recently garnered significant attention as an emerging solid-state platform for quantum technologies. However, the…

209Bi nuclear magnetic resonance (NMR) spectroscopy was employed to probe potential spin-orbit effects on orbital diamagnetism in YPtBi and YPdBi crystals. The observed opposite sign and temperature dependent magnitude of 209Bi NMR shifts…

Strongly Correlated Electrons · Physics 2014-12-01 Chenglong Shi , Xuekui Xi , Zhipeng Hou , Xiaoming Zhang , Guizhou Xu , Enke Liu , Wenquan Wang , Wenhong Wang , Guangheng Wu

Theory of nuclear magnetic resonance (NMR) in graphene is presented. The canonical form of the electron-nucleus hyperfine interaction is strongly modified by the linear electronic dispersion. The NMR shift and spin-lattice relaxation time…

Mesoscale and Nanoscale Physics · Physics 2009-05-19 Balázs Dóra , Ferenc Simon

Nuclear Magnetic Resonance (NMR) spans diverse fields from biology to quantum science. Employing NMR on a floating object could unveil novel possibilities beyond conventional operational paradigms. Here, we observe Nuclear Magnetic…

Quantum Physics · Physics 2024-07-30 J. Voisin , A. Durand , T. Copie , M. Perdriat , G. Hétet

We report the results of {11}B nuclear magnetic resonance (NMR) measurements of SrB_{6} and Ca_{0.995}La_{0.05}B_{6} below room temperature. Although the electrical resistivities of these two materials differ substantially, their {11}B-NMR…

Strongly Correlated Electrons · Physics 2009-10-31 J. L. Gavilano , Sh. Mushkolaj , D. Rau , H. R. Ott , A. Bianchi , D. P. Young , Z. Fisk

Measurements of proton Nuclear Magnetic Resonance (1H NMR) spectra and relaxation and of Muon Spin Relaxation ($\mu^{+}$SR) have been performed as a function of temperature and external magnetic field on two isostructural lanthanide…

Materials Science · Physics 2019-11-20 E. Lucaccini , L. Sorace , F. Adelnia , S. Sanna , P. Arosio , M. Mariani , S. Carretta , Z. Salman , F. Borsa , A. Lascialfari

When the motion of electrons is restricted to a plane under a perpendicular magnetic field B, a variety of quantum phases emerge at low temperatures whose properties are dictated by the Coulomb interaction and its interplay with disorder.…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 L. Tiemann , T. D. Rhone , N. Shibata , K. Muraki

In this paper we propose a computational framework for the investigation of the correlated motion between positive and negative ions exposed to the attraction of a bubble surface that mimics the (oscillating) cell membrane. The correlated…

Computational Physics · Physics 2022-03-14 Antonio Raudino , Antonio Grassi , Giuseppe Lombardo , Giovanni Russo , Clarissa Astuto , Mario Corti

We present a detailed study of the charge transport, optical reflectivity, and thermal transport properties of n-type PbSe crystals. A strong scattering, mobility-limiting mechanism was revealed to be at play at temperatures above 500 K.…

Spin defects in solids, such as the nitrogen-vacancy (NV) center in diamond, have emerged as a key tool for detecting nuclear spins at the nanoscale. While active nuclear spin control via radio-frequency (RF) irradiation is often…

Graphene's isolation launched explorations of fundamental relativistic physics originating from the planar honeycomb lattice arrangement of the carbon atoms, and of potential technological applications in nanoscale electronics. Bottom-up…

Mesoscale and Nanoscale Physics · Physics 2015-02-13 Constantine Yannouleas , Igor Romanovsky , Uzi Landman

Dynamic nuclear polarization (DNP) using the boron vacancy ($\mathrm{V_B^-}$) in hexagonal boron nitride (hBN) has gained increasing attention. Understanding this DNP requires systematically investigating the optically detected magnetic…

We conducted $^{77}$Se-nuclear magnetic resonance studies of the iron-based superconductor FeSe in magnetic fields of 0.6 to 19 T to investigate the superconducting and normal-state properties. The nuclear spin-lattice relaxation rate…

Temperature- and field- dependent $^1$H-, $^{19}$F-, and $^{79,81}$Br- NMR measurements together with zero - field $^{79,81}$Br-NQR measurements on polycrystalline samples of barlowite, Cu$_4$(OH)$_6$FBr are conducted to study the magnetism…

Materials Science · Physics 2018-07-19 K. M. Ranjith , C. Klein , A. A. Tsirlin , H. Rosner , C. Krellner , M. Baenitz

Magnetic structures of organic Mott insulators X[Pd(dmit)2]2 (X=Me4P, Me4Sb), of which electronic states are located near quantum spin liquid (X=EtMe3Sb), are demonstrated by 13C NMR. Antiferromagnetic spectra and nuclear relaxations show…

Strongly Correlated Electrons · Physics 2019-05-01 Shigeki Fujiyama , Reizo Kato

NbP is one member of a new class of nodal loop semimetals characterized by the cooperative effects of spin-orbit coupling (SOC) and a lack of inversion center. Here transport and spectroscopic properties of NbP are evaluated using density…

Materials Science · Physics 2016-09-26 Kyo-Hoon Ahn , K. -W. Lee , W. E. Pickett

Pb(Zn$_{1/3}$Nb$_{2/3}$)O$_{3}$ is one of the simplest representatives of the lead ferroelectric relaxors. Its solid solution with PbTiO$_{3}$, at concentrations near the morphotropic phase boundary, is especially important. In this paper,…

Materials Science · Physics 2007-05-23 O. Svitelskiy , D. La-Orauttapong , J. Toulouse , W. Chen , Z. -G. Ye

Spin noise spectroscopy is emerging as a powerful technique for studying the dynamics of various spin systems also beyond their thermal equilibrium and linear response. Here, we study spin fluctuations of room-temperature neutral atoms in a…

Atomic Physics · Physics 2021-07-21 V. Guarrera , R. Gartman , G. Bevilacqua , W. Chalupczak

Optically driven electronic spins coupled in quantum dots to nuclear spins show a pre-pulse signal (revival amplitude) after having been trained by long periodic sequences of pulses. The size of this revival amplitude depends on the…

Mesoscale and Nanoscale Physics · Physics 2024-02-09 Alina Joch , Götz S. Uhrig