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Related papers: Spin relaxation in Cs$_2$CuCl$_{4-x}$Br$_x$

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We report a detailed examination the magnetic structure of anhydrous cupric chloride CuCl2 carried out by powder neutron diffraction, magnetic susceptibility and specific heat measurements on polycrystalline and single crystal samples as…

Strongly Correlated Electrons · Physics 2009-04-21 M. G. Banks , R. K. Kremer , C. Hoch , A. Simon , B. Ouladdiaf , J. -M. Broto , H. Rakoto , C. Lee , M. -H. Whangbo

The spin anisotropic exchange interaction is suggested to contribute significantly to the abnormal upturn of the magnetic susceptibility in the ZnCu$_3$(OH)$_6$Cl$_2$. The saturation of the magnetic susceptibility below 300 mK observed in…

Strongly Correlated Electrons · Physics 2015-05-13 Chyh-Hong Chern , Mitsuaki Tsukamoto

A novel general method of describing the spin-lattice interactions in magnetic solids was proposed in terms of first principles calculations. The spin exchange and Dzyaloshinskii-Moriya interactions as well as their derivatives with respect…

Strongly Correlated Electrons · Physics 2011-12-30 H. J. Xiang , E. J. Kan , Su-Huai Wei , M. -H. Whangbo , X. G. Gong

The temperature dependence of electron spin resonance (ESR) was studied in $EuFe_{2-x}Co_{x}As_2 $ (x = 0.0, 0.067, 0.1, 0.2, 0.25, 0.285, 0.35, 0.4 and 0.5). The ESR spectrum of all the samples indicates that the g factor and peak-to-peak…

Superconductivity · Physics 2009-08-04 J. J. Ying , T. Wu , Q. J. Zheng , Y. He , G. Wu , Q. J. Li , Y. J. Yan , Y. L. Xie , R. H. Liu , X. F. Wang , X. H. Chen

Motivated by inelastic neutron scattering data on Cs_2CuCl_4, we explore spin-1/2 triangular lattice antiferromagnets with both spatial and easy-plane exchange anisotropies, the latter due to an observed Dzyaloshinskii-Moriya interaction.…

Strongly Correlated Electrons · Physics 2009-11-11 Jason Alicea , Olexei I. Motrunich , Matthew P. A. Fisher

The spin dynamics of the prototypical quasi one-dimensional antiferromagnetic Heisenberg spin S=1/2 chain KCuF3 is investigated by electron spin resonance spectroscopy. Our analysis shows that the peculiarities of the spin dynamics require…

Strongly Correlated Electrons · Physics 2009-11-13 M. V. Eremin , D. V. Zakharov , H. -A. Krug von Nidda , R. M. Eremina , A. Shuvaev , A. Pimenov , P. Ghigna , J. Deisenhofer , A. Loidl

Although chromium trihalides are widely regarded as a promising class of two-dimensional magnets for next-generation devices, an accurate description of their electronic structure and magnetic interactions has proven challenging to achieve.…

Mesoscale and Nanoscale Physics · Physics 2024-09-04 Ravi Yadav , Lei Xu , Michele Pizzochero , Jeroen van den Brink , Mikhail I. Katsnelson , Oleg V. Yazyev

Below the Kondo temperature $T_{\rm K}$ electron spin resonance (ESR) usually is not observable from the Kondo-ion itself because the characteristic spin fluctuation energy results in a huge width of the ESR line. The heavy fermion metal…

Strongly Correlated Electrons · Physics 2015-06-25 J. Sichelschmidt , J. Wykhoff , H. -A. Krug von Nidda , J. Ferstl , C. Geibel , F. Steglich

We have observed a nearly fourfold increase in the electron spin resonance (ESR) signal from an ensemble of single-walled carbon nanotubes (SWCNTs) due to oxygen desorption. By performing temperature-dependent ESR spectroscopy both before…

Materials Science · Physics 2012-05-08 W. D. Rice , R. T. Weber , A. D. Leonard , J. M. Tour , P. Nikolaev , S. Arepalli , V. Berka , A. -L. Tsai , J. Kono

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 investigated magnetization, muon spin rotation ($\mu$SR), and $^{119}Sn$ M\"{o}ssbauer spectroscopy on Sn substituted $CuCr_{2-x}Sn_xS_4$ (x=0.03 and 0.08) spinel compounds. The magnetization and $\mu$SR results reveal similar additional…

We have investigated the spin dynamics in the strongly correlated chain copper oxide SrCuO$_2$ for energies up to $\gtrsim 0.6$ eV using inelastic neutron scattering. We observe an acoustic band of magnetic excitations which is well…

Strongly Correlated Electrons · Physics 2010-07-28 I. A. Zaliznyak , H. Woo , T. G. Perring , C. L. Broholm , C. D. Frost , H. Takagi

Anisotropic spin-spin interactions of the symmetry described by Dzyaloshinsky and Moriya are generally considered weak, as they depend on the spin-orbit couplings. In frustrated spin systems with singlet ground states they can, however,…

Strongly Correlated Electrons · Physics 2009-11-07 O. Cepas , T. Sakai , T. Ziman

We have investigated spin relaxation times in CdTe quantum dots doped with a single Mn atom, a prototype of a system where the interaction between a single charge carrier and a single spin takes place. A theoretical model that was used…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Marko D. Petrović , Nenad Vukmirović

CrX$_3$ (X = Cl, Br, I) have the same crystal structure and Hamiltonian but different ligand spin-orbit coupling (SOC) constant $\lambda_X$, providing excellent material platform exploring for exotic two-dimensional (2D) spin orders. Their…

We study the spin-relaxation time in materials where a large spin-orbit coupling (SOC) is present which breaks the spatial inversion symmetry. Such a spin-orbit coupling is realized in zincblende structures and heterostructures with a…

Strongly Correlated Electrons · Physics 2017-10-23 Lénárd Szolnoki , Annamária Kiss , Balázs Dóra , Ferenc Simon

The static and dynamic magnetic properties of an $S=1/2$ stacked triangular antiferromagnet RbCuCl$_{3}$ with a helical spin structure due to lattice distortion were investigated by susceptibility, high-field magnetization process and ESR…

Strongly Correlated Electrons · Physics 2009-10-31 S. Maruyama , H. Tanaka , Y. Narumi , K. Kindo , H. Nojiri , M. Motokawa , K. Nagata

The development of electron spin resonance (ESR) combined with scanning tunneling spectroscopy (STM) is undoubtedly one of the main experimental breakthroughs in surface science of the last decade thanks to joining the extraordinarily high…

Strongly Correlated Electrons · Physics 2022-08-31 Fernando Delgado , Nicolás Lorente

Carbon based systems are prominent candidates for a solid-state spin-qubit due to weak spin-orbit and hyperfine interactions in combination with a low natural abundance of spin carrying isotopes. We consider the effect of the hyperfine…

Mesoscale and Nanoscale Physics · Physics 2012-08-03 Moritz Fuchs , Valentin Rychkov , Björn Trauzettel

The spin-exchange effect in spin-polarized electron collisions with unpolarized open-shell molecules, O$_2$, B$_2$, S$_2$ and Si$_2$, has been studied by the R-matrix method with the fixed-bond approximation. All of these molecules have…

Chemical Physics · Physics 2009-11-13 Motomichi Tashiro
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