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Related papers: Multiphased alkali halide mixed crystals: The cond…

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The properties of the mixed system LiBH4 LiCl P2S5 are studied with respect to all-solid-state batteries. The studied material undergoes an amorphization upon heating above 601C, accompanied with increased Li+ conductivity beneficial for…

The metallic compound NaRh2O4 forms a full range solid solution to the insulating phase CaRh2O4. At a Na concentration of 0.25 moles per formula unit, we found an unexpected contribution to the specific heat at low temperature [K. Yamaura…

Strongly Correlated Electrons · Physics 2009-11-11 K. Yamaura , Q. Huang , M. Moldovan , D. P. Young , X. L. Wang , E. Takayama-Muromachi

We consider the effective properties of composite structure that includes nanocontacts between macrocrystallits of bulk material. The model of a such nanostructured composite is developed. In the mean-field approximation we calculate…

Materials Science · Physics 2011-10-11 A. A. Snarskii , A. K. Sarychev , I. V. Bezsudnov , A. N. Lagarkov

High-throughput ab-initio calculations, cluster expansion techniques and thermodynamic modeling have been synergistically combined to characterize the binodal and the spinodal decompositions features in the pseudo-binary lead chalcogenides…

Using acoustic methods the complex high-frequency conductance of high-mobility $n$-GaAs/AlGaAs heterostructures was determined in magnetic fields 12$\div$18~T. Based on the observed frequency and temperature dependences we conclude that in…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 I. L. Drichko , I. Yu. Smirnov , A. V. Suslov , Y. M. Galperin , L. N. Pfeiffer , K. W. West

The crystal structure of barium-germanium clathrate Ba6Ge25 was studied using neutron powder diffraction in the temperature range 20-300K. The compound was found to be cubic (S.G. P4_1 23) in the entire temperature range. However, the…

Materials Science · Physics 2009-11-10 M. Schmidt , P. G. Radaelli , M. J. Gutmann , S. J. L. Billinge , N. Hur , S. W. Cheong

This is a critical review of MAX-phase carbides and nitrides from an electronic-structure and chemical bonding perspective. This large group of nanolaminated materials is of great scientific and technological interest and exhibit a…

Materials Science · Physics 2016-12-15 Martin Magnuson , Maurizio Mattesini

We report on the influence of the chemical composition on the electronic properties of molybdenum oxynitrides thin films grown by reactive sputtering on Si (100) substrates at room temperature. The partial pressure of Ar was fixed at 90 %,…

Materials Science · Physics 2020-07-07 J. A. Hofer , S. Bengio , G. Rozas , P. D. Pérez , M. Sirena , S. Suárez , N. Haberkorn

We have grown spiral carbon nanofibers containing Pd metal clusters using the Pd2(dba)3 catalyzed decomposition of gaseous acetylene on molecular sieves (AlPO4-5) support. The microstructure and composition of the spiral carbon nanofibers…

Disordered Systems and Neural Networks · Physics 2007-05-23 C. -J. Liu , T. -W. Wu , L. -S. Hsu , C. -J. Su , C. -C. Wang , F. -S. Shieu

New high resolution data for heat capacity, heat capacity under applied magnetic fields and resistivity of high quality single crystal of MnSi are reported. Striking mirror symmetry between temperature derivative of resistivity and thermal…

Strongly Correlated Electrons · Physics 2007-06-22 S. M. Stishov , A. E. Petrova , S. Khasanov , G. Kh. Panova , A. A. Shikov , J. C. Lashley , D. Wu , T. A. Lograsso

Antenna-coupled suspended single carbon nanotubes exposed to 108 GHz microwave radiation are shown to be selectively heated with respect to their metal contacts. This leads to an increase in the conductance as well as to the development of…

Mesoscale and Nanoscale Physics · Physics 2012-06-05 H. L. Hortensius , A. Ozturk , P. Zeng , E. F. C. Driessen , T. M. Klapwijk

The resistivity and thermopower of polycrystalline (Na,Ca)Co_2O_4 were measured and analyzed. Both the quantities increase with x, suggesting that the carrier density is decreased by the substitutions of Ca^{2+} for Na^{+}. Considering that…

Strongly Correlated Electrons · Physics 2007-05-23 T. Itoh , T. Kawata , T. Kitajima , I. Terasaki

We present results of temperature dependent measurements of dynamics of micellar nanoparticle - polymer composites of fixed volume fraction and variable polymer chain grafting density. For nanoparticles with lower grafting density we…

Soft Condensed Matter · Physics 2008-09-12 A. K. Kandar , S. Srivastava , J. K. Basu , M. K. Mukhopadhyay , S. Seifert , S. Narayanan

When plotted in linear transformations of the Michaelis-Menten equation, ion uptake in plants has been shown to be multiphasic, i.e. to be represented by a series of straight lines separated by discontinuous transitions (Nissen 1971, 1974,…

Biological Physics · Physics 2017-12-06 Per Nissen

The possibility of thermal excitation of intrinsic localized modes (ILMs) arising from anharmonicity in ionic perfect crystals is studied numerically for realistic model systems in one and three dimensions. Implications are discussed for an…

Materials Science · Physics 2015-06-17 A. J. Sievers , M. Sato , J. B. Page , T. Rössler

We numerically investigated the connection between isobaric fragility and the properties of high-order stationary points of the potential energy surface in different supercooled Lennard-Jones mixtures. The increase of effective activation…

Statistical Mechanics · Physics 2007-10-02 D. Coslovich , G. Pastore

We examine electrically and color neutral quark matter in beta-equilibrium focusing on the possibility of mixed phases between different color superconducting phases. To that end we apply the Gibbs criterion to ensure phase equilibrium and…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Neumann , M. Buballa , M. Oertel

We have obtained accurate ab initio quartet potentials for the diatomic metastable triplet helium + alkali-metal (Li, Na, K, Rb) systems, using all-electron restricted open-shell coupled cluster singles and doubles with noniterative triples…

Quantum Gases · Physics 2015-08-24 Dariusz Kȩdziera , Łukasz Mentel , Piotr S. Żuchowski , Steven Knoop

Effective surface-passivation of PbS nanocrystals in aqueous colloidal solution has been achieved following treatment with CdS precursors. The resultant photoluminescent emission displays two distinct components, one originating from the…

Materials Science · Physics 2009-11-10 M. J. Fernee , J. Warner , A. Watt , S. Cooper , N. R. Heckenberg , H. Rubinsztein-Dunlop

CrN/MgO(111) multilayers modeled via \textit{ab initio} calculations give rise to nanoscale, scalable, spatially separated two-dimensional electron and hole gases (2DEG+2DHG), each confined to its own CrN interface. Due to the Cr $3d^3$…

Mesoscale and Nanoscale Physics · Physics 2017-05-15 Antia S. Botana , Victor Pardo , Warren E. Pickett