English
Related papers

Related papers: Electronic and ionic conductivities in superionic …

200 papers

For being used as an electrolyte in All Solid State Batteries (ASSB), a solid electrolyte must possess ionic conductivity comparable to that of conventional liquid electrolytes. To achieve this conductivity range, the series…

Materials Science · Physics 2023-08-16 Muktai Aote , A. V. Deshpandea

The local environment of Eu$^{2+}$ ($4f^{7}$, $S=7/2$) in Ca$_{1-x}$Eu$_{x}$B$_{6}$ ($0.003\leqslant x\leqslant 1.00$) is investigated by means of electron spin resonance (ESR). For $x\lesssim 0.003$ the spectra show resolved \textit{fine}…

Strongly Correlated Electrons · Physics 2009-11-11 R. R. Urbano , P. G. Pagliuso , C. Rettori , P. Schlottmann , J. L. Sarrao , A. Bianchi , S. Nakatsuji , Z. Fisk , E. Velazquez , S. B. Oseroff

We report the experimental and the analytical results of electron spin resonance (ESR) and magnetization in high magnetic fields up to about 68 T of the quasi two-dimensional triangular lattice antiferromagnet NiGa$_2$S$_4$. From the…

We present non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less…

Mesoscale and Nanoscale Physics · Physics 2014-01-13 C. Clauss , D. Bothner , D. Koelle , R. Kleiner , L. Bogani , M. Scheffler , M. Dressel

We present 13C NMR spin-lattice relaxation measurements (1/T1) in Na2CsC60 and Rb3C60 from 10 to 700K. The large temperature range of this measurement allow to define unambiguously an increase of 1/T1T with increasing temperature, which is…

Strongly Correlated Electrons · Physics 2009-11-07 V. Brouet , H. Alloul , S. Garaj , L. Forro

We investigated the metal-ordered manganite system YBaMn2O6 using electron spin resonance (ESR) in the paramagnetic regime across the charge-ordering and structural phase transition at T_CO = 480 K and T_t = 520 K, respectively. All ESR…

Strongly Correlated Electrons · Physics 2009-11-13 D. Zakharov , J. Deisenhofer , H. -A. Krug von Nidda , T. Nakajima , Y. Ueda , A. Loidl

We study the conductivities $\sigma$ of (i) the equilibrium isochoric state ($\sigma_{\rm is}$), (ii) the equilibrium isobaric state ($\sigma_{\rm ib}$), and also the (iii) non-equilibrium ultrafast matter (UFM) state ($\sigma_{\rm uf}$)…

Materials Science · Physics 2017-12-15 M. W. C. Dharma-wardana , D. D. Klug , L. Harbour , Laurent J. Lewis

Magnetic excitations of the exchange-dipole quasi 1D XXZ antiferromagnet are studied in the ordered phase. We observe a transformation of the electron spin resonance (ESR) spectrum when crossing the N\'{e}el temperature near 0.2 K. The…

Strongly Correlated Electrons · Physics 2025-09-18 T. A. Soldatov , A. I. Smirnov

A theory of low temperature (T) electron spin resonance (ESR) in half-integer spin antiferromagnetic chains is developed using field theory methods and avoiding previous approximations. It is compared to experiments on Cu benzoate. Power…

Strongly Correlated Electrons · Physics 2009-10-31 Masaki Oshikawa , Ian Affleck

The restoration of metallicity in the high-temperature, cubic phase of Li4C60 represents a remarkable feature for a member of the A4C60 family (A = alkali metal), invariably found to be insulators. Structural and resonance technique…

Strongly Correlated Electrons · Physics 2009-11-13 M. Riccò , M. Belli , D. Pontiroli , M. Mazzani , T. Shiroka , D. Arcon , A. Zorko , S. Margadonna , G. Ruani

A high frequency (111.2-420 GHz) electron spin resonance study of the inter-layer (perpendicular) spin diffusion as a function of pressure and temperature is presented in the conducting phases of the layered organic compounds,…

Strongly Correlated Electrons · Physics 2013-09-24 Á. Antal , T. Fehér , E. Tátrai-Szekeres , F. Fülöp , B. Náfrádi , L. Forró , A. Jánossy

We discuss universal features on the electron spin resonance (ESR) of a temperature-induced Tomonaga-Luttinger liquid phase in a wide class of weakly coupled $S=1/2$ antiferromagnetic spin chains such as spin ladders, spin tubes and…

Strongly Correlated Electrons · Physics 2015-02-12 Shunsuke C. Furuya , Masahiro Sato

The spin dynamics of the ferromagnetic Kondo lattice CeRuPO is investigated by Electron Spin Resonance (ESR) at microwave frequencies of 1, 9.4, and 34~GHz. The measured resonance can be ascribed to a rarely observed bulk Ce3+ resonance in…

Strongly Correlated Electrons · Physics 2010-10-13 T. Förster , J. Sichelschmidt , C. Krellner , C. Geibel , F. Steglich

A series of electron spin resonance (ESR) experiments were performed on a single crystal of the heavy fermion metal YbIr2Si2 to map out the anisotropy of the ESR-intensity I_ESR which is governed by the microwave field component of the…

Strongly Correlated Electrons · Physics 2010-03-29 T. Gruner , J. Wykhoff , J. Sichelschmidt , C. Krellner , C. Geibel , F. Steglich

The optical conductivity of the new Dirac semimetal candidate Ir$_2$In$_8$Se is measured in a frequency range from 40 to 30000 cm$^{-1}$ at temperatures from 300 K down to 10 K. The measurement reveals that the compound is a low carrier…

Strongly Correlated Electrons · Physics 2022-09-15 S. X. Xu , H. Q. Pi , R. S. Li , T. C. Hu , Q. Wu , D. Wu , H. M. Weng , N. L. Wang

Laser irradiation of materials is most commonly modeled with the two-temperature model (TTM), or its combination with molecular dynamics, TTM-MD. For such modeling, the electronic transport coefficients are required. Here, we calculate the…

Materials Science · Physics 2024-05-14 Nikita Medvedev , Fedor Akhmetov , Igor Milov

Electric conductivity and structural details of the hole-doped polaron conductor La0.9Sr0.1FeO3 (LSF10) are reported. The conductivity of a single crystal shows an exponential increase with temperature with a maxi-mum of 100 S/cm at 700 K…

Strongly Correlated Electrons · Physics 2011-06-07 A. Braun , J. Richter , A. S. Harvey , A. Infortuna , A. Frei , E. Pomjakushina , Bongjin S. Mun , P. Holtappels , U. Vogt , K. Conder , L. J. Gauckler , T. Graule

Recently, Arcon et al. reported ESR studies of the polymer phase (PP) of Na_{2}Rb_{0.3}Cs_{0.7}C_{60} fulleride. It was claimed that this phase is a quasi-one-dimensional metal above 45 K with a spin-gap below this temperature and has…

Strongly Correlated Electrons · Physics 2009-10-31 Ferenc Simon , Slaven Garaj , Laszlo Forro

Compounds with intermediate-size transition metals such as Fe or Mn are close to the transition between charge-transfer systems and Mott-Hubbard systems. We study the optical conductivity \sigma(\omega) of insulating layered LaSrFeO_4 in…

Strongly Correlated Electrons · Physics 2014-05-08 J. Reul , L. Fels , N. Qureshi , K. Shportko , M. Braden , M. Grüninger

A systematic electron spin resonance (ESR) investigation of the low temperature regime for the (ET)2SF5CF2SO3 system was performed in the frequency range of ~200-700 GHz, using backward wave oscillator sources, and at fields up to 25 T.…