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Related papers: Na-ion dynamics in Quasi-1D compound NaV2O4

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Data of 23Na NMR spectra- and relaxation measurements are interpreted as suggesting that, upon increasing temperature the Na layers in Na0.8CoO2 adopt a 2D liquid state at T=291 K. The corresponding first order phase transition is preceded…

Strongly Correlated Electrons · Physics 2009-02-05 M. Weller , A. Sacchetti , H. R. Ott , K. Mattenberger , B. Batlogg

Using classical molecular dynamics simulations, we investigate the mobility of ions in [Bmim][TFSI], a typical room temperature ionic liquid. Analyzing the trajectories of individual cations and anions, we estimate the time that ions spend…

A series of high quality NaFe$_{1-x}$Cu$_x$As single crystals has been grown by a self-flux technique, which were systematically characterized via structural, transport, thermodynamic, and high pressure measurements. Both the structural and…

Superconductivity · Physics 2013-09-30 A. F. Wang , J. J. Lin , P. Cheng , G. J. Ye , F. Chen , J. Q. Ma , X. F. Lu , B. Lei , X. G. Luo , X. H. Chen

We present a novel approach to the treatment of thermal fluctuations in the (3+1)-D viscous hydrodynamic simulation MUSIC. The phenomenological impact of thermal fluctuations on hadronic observables is investigated using the IP-Glasma +…

Nuclear Theory · Physics 2019-02-20 Mayank Singh , Chun Shen , Scott McDonald , Sangyong Jeon , Charles Gale

We report the observation of para - antiferromagnetic transition at ~ 50 K in lithium iron phosphate, LiFePO4 through DC magnetization and M\"ossbauer spectroscopy. The Ferrous ion Fe2+ (3d6, 5D) in LiFePO4 exhibits relaxation effects with…

Materials Science · Physics 2015-06-04 Y. Sundarayya , C. Bansal , C. S. Sunandana , Ajay Kumar Mishra , Richard A. Brand , Horst Hahn

The specific heat, magnetic susceptibility and ESR signals of a Na-deficient vanadate Na_xV_2O_5 (x=1.00 - 0.90) were studied in the temperature range 0.07 - 10 K, well below the transition point to a spin-gap state. The contribution of…

Strongly Correlated Electrons · Physics 2009-10-31 A. I. Smirnov , S. S. Sosin , R. Calemczuk , V. Villar , C. Paulsen , M. Isobe , Y. Ueda

We report new measurements of the mobility \(\mu\) of O$_{2}^{-}$ ions in supercritical neon in the range $45\,\mathrm{K}\le T\le 334\,\mathrm{K}$ for number density $N\ge 0.5\,$nm$^{-3}.$ We rationalize the experimental data of all…

Chemical Physics · Physics 2019-03-13 A. F , : , Borghesani , F. Aitken

Experiments of various types on the metallic transition metal oxide compound LiV_{2}O_{4} with the fcc normal-spinel structure are reviewed. The low-temperature T < 10 K data consistently indicate heavy fermion (HF) behaviors characteristic…

Strongly Correlated Electrons · Physics 2010-11-12 D. C. Johnston

We report a comprehensive investigation of the structural and magnetic properties of Na$_5$Yb(MoO$_4$)$_4$, a member of the stretched diamond magnetic lattice family. Neutron powder diffraction at 3.3~K confirms that the compound…

A two-dimensional fluid model is used to investigate the electron heating dynamics and the production of neutral species in a capacitively coupled radio-frequency micro atmospheric pressure helium plasma jet -- specifically the COST jet --…

The pair-interactions U_{ij}(r) determine the thermodynamics and linear transport properties of matter via the pair-distribution functions (PDFs), i.e., g_{ij}(r). Great simplicity is achieved if U_{ij}(r) could be directly used to predict…

Plasma Physics · Physics 2015-06-11 M. W. C. Dharma-wardana

Detailed 57Fe Mossbauer spectroscopy measurements on superconducting NaFeAs powder samples have been performed in the temperature range 13 K < T < 300 K. The 57Fe spectra recorded in the paramagnetic range (T > TN ~ 46 K) were discussed…

We study the dynamics of inorganic antiferroelectric nanoclusters formed during an order-disorder transition and demonstrate the coexistence of the two phases in a region of 2-3 K around the transition temperature TN~215 K. Single crystals…

Mesoscale and Nanoscale Physics · Physics 2015-04-24 R. Fu , O. Gunaydin-Sen , I. Chiorescu , N. S. Dalal

We report the results of the experiment aimed at measuring the mobility of O2- ions in dense argon gas in the temperature range 180 K < T < 300 K. We show that an adequate theoretical description of the data is obtained by using the…

Chemical Physics · Physics 2022-10-05 Armando Francesco Borghesani , Frederic Aitken

We develop a simple diagrammatic low-energy boson exchange strong-coupling model for an antiferromagnetically correlated polaronic metal. Important low-temperature features of such a model are (i) a large polaronic mass enhancement $Z$ and…

Strongly Correlated Electrons · Physics 2007-05-23 J. Zhong , H. -B. Schuttler

The quark-hadron transition that happens in ultra-relativistic heavy-ion collisions is expected to be influenced by the effects of rotation and magnetic field, both present due to the geometry of a generic non-head-on impact. We augment the…

High Energy Physics - Phenomenology · Physics 2023-10-12 Gaurav Mukherjee , D. Dutta , D. K. Mishra

We report the first measurement of the temperature dependence of muon transfer rate from $\mu$p atoms to oxygen between 100 and 300 K. Data were obtained from the X-ray spectra of delayed events in gaseous target H$_2$/O$_2$ exposed to a…

LiF-NaF-ZrF4 multicomponent molten salts are identified as promising candidates for coolant salts in molten salt reactors and advanced high-temperature reactors. Herein, ab-initio molecular dynamics (AIMD) calculations were performed and…

Materials Science · Physics 2022-09-22 Rajni Chahal , Shubhojit Banerjee , Stephen Lam

We present muon-spin rotation measurements on polycrystalline samples of the complete family of the antiferromagnetic (AF) $zigzag$ chain compounds, Na$_x$Ca$_{1-x}$V$_2$O$_4$. In this family, we explore the magnetic properties from the…

Strongly Correlated Electrons · Physics 2015-05-19 Oren Ofer , Yutaka Ikedo , Tatsuo Goko , Martin Mansson , Jun Sugiyama , Eduardo J. Ansaldo , Jess H. Brewer , Kim H. Chow , Hiroya Sakurai

The behaviors of resistance, magnetoresistance (up to 5 T), and Hall electromotive force (EMF) with varying temperature (from 10 to 300 K) and measuring current (from 10 mkA to 10 mA) are studied for the Si sample with CrSi2…

Mesoscale and Nanoscale Physics · Physics 2014-10-14 V. V. Andrievskii , Yu. F. Komnik , I. B. Berkutov , I. G. Mirzoiev , N. G. Galkin , D. L. Goroshko
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