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Related papers: Heat capacity of p-H2-p-D2-Ne solid solution: Effe…

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The heat capacity of the solid Kr-CD4 (13% CD4) solution has been investigated. It is shown that the temperature dependence of the heat capacity Crot of the rotational subsystem in this solution is radically different from the corresponding…

Other Condensed Matter · Physics 2009-11-10 M. I. Bagatskii , V. V. Dudkin , V. G. Manzhelii , D. A. Mashchenko , S. B. Feodosiev

The heat capacity of solid Kr-CH4 solutions with 30 and 60 mol.% CH4 has been studied at 0.8-20 K. The contribution of the rotational subsystem Crot to the heat capacity of the solutions is separated. The results obtained in this study and…

Materials Science · Physics 2016-09-07 M. I. Bagatskii , V. G. Manzhelii , I. Ya. Minchina , D. A. Mashchenko , I. A. Gospodarev

Context. Multitransition CO observations of galaxy centers have revealed that significant fractions of the dense circumnuclear gas have high kinetic temperatures, which are hard to explain by pure photon excitation, but may be caused by…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 M. V. Kazandjian , R. Meijerink , I. Pelupessy , F. P. Israel , M. Spaans

The excess heat capacity at glass transition temperature in two types of glass-forming systems of [xNaNO3\cdot(1-x)KNO3]60[Ca(NO3)2]40 (0 \leq x \leq 1) and Ca(NO3)2\cdotyH2O (4 \leq y \leq 13) is studied. In the former system, with the…

Statistical Mechanics · Physics 2011-11-22 H. B. Ke , P. Wen , W. H. Wang

Heat capacities of Na_N, N = 13, 20, 55, 135, 142, and 147, clusters have been investigated using a many-body Gupta potential and microcanonical molecular dynamics simulations. Negative heat capacities around the cluster melting-like…

Atomic and Molecular Clusters · Physics 2016-09-08 Juan A. Reyes-Nava , Ignacio L. Garzon , Karo Michaelian

The heat capacity C(T) of the interstitial solid solution (CH4)0.4C60 has been investigated in the temperature interval 1.4-120 K. The contribution of CH4 molecules to the heat capacity has been separated. The contributions of CH4 and CD4…

Mesoscale and Nanoscale Physics · Physics 2014-06-24 M. I. Bagatskii , V. G. Manzhelii , V. V. Sumarokov , A. V. Dolbin , M. S. Barabashko , B. Sundqvist

Heat capacity curves as functions of temperature for classical atomic clusters bound by pairwise Lennard-Jones potentials were calculated for aggregate sizes from 4 to 24 using Monte Carlo methods. J-walking (or jump-walking) was used to…

chem-ph · Physics 2009-10-22 Don D. Frantz

We use electrical transport, magnetoresistance, and heat capacity measurements on high quality single crystals of the recently discovered superconducting Type-II Dirac semi-metal PdTe$_2$, to probe the nature of it's superconducting phase.…

Superconductivity · Physics 2018-01-11 Amit , Yogesh Singh

We model the low-temperature specific heat of solid $^4$He in the hexagonal closed packed structure by invoking two-level tunneling states in addition to the usual phonon contribution of a Debye crystal for temperatures far below the Debye…

Statistical Mechanics · Physics 2011-04-08 Jung-Jung Su , Matthias J. Graf , Alexander V. Balatsky

Magnetocaloric effect and magnetoresistance have been studied in Dy(Co1-xSix)2 [x=0, 0.075 and 0.15] compounds. Magnetocaloric effect has been calculated in terms of adiabatic temperatue change (Delta Tad) as well as isothermal magnetic…

Materials Science · Physics 2009-11-11 Niraj K. Singh , K. G. Suresh , A. K. Nigam , S. K. Malik

Type I superconductivity has recently been reported for the Dirac semimetal PdTe$_2$ (Tc approximately 1.6K) with, remarkably, multiple critical fields and a complex phase diagram. Here, measurements of the specific heat utilizing a thermal…

Superconductivity · Physics 2021-03-10 M. V. Salis , Y. K. Huang , A. de Visser

Heat capacity measurements with significantly improved resolution find the presence of a peak in a solid 4He sample in coexistence with liquid. With improved crystallinity, the peak decreases in height and moves to lower temperature. A…

Other Condensed Matter · Physics 2009-11-13 X. Lin , A. C. Clark , Z. G. Cheng , M. H. W. Chan

Monte Carlo methods were used to calculate heat capacities as functions of temperature for classical atomic clusters of aggregate sizes $25 \leq N \leq 60$ that were bound by pairwise Lennard-Jones potentials. The parallel tempering method…

Chemical Physics · Physics 2009-11-07 D. D. Frantz

Rates for rotational excitation of HC3N by collisions with He atoms and H2 molecules are computed for kinetic temperatures in the range 5-20K and 5-100K, respectively. These rates are obtained from extensive quantum and quasi-classical…

Chemical Physics · Physics 2009-11-13 Michael Wernli , Laurent Wiesenfeld , Alexandre Faure , Pierre Valiron

We report on a study of Dynamic Nuclear Polarization and electron and nuclear spin relaxation of atomic hydrogen and deuterium in solid molecular matrices of H$_{2}$, D$_{2}$, and HD mixtures. The electron and nuclear spin relaxation times…

Atomic and Molecular Clusters · Physics 2017-02-08 S. Sheludiakov , J. Ahokas , J. Järvinen , O. Vainio , L. Lehtonen , S. Vasiliev , D. M. Lee , V. V. Khmelenko

A commercially available calorimeter has been used to investigate the specific heat of a high-quality \kn\ single crystal. The addenda heat capacity of the calorimeter is determined in the temperature range $0.02 \, \mathrm{K} \leq T \leq…

Superfluidity in the crust is a key ingredient for the cooling properties of proto-neutron stars. Present theoretical calculations employ the quasi-particle mean-field Hartree-Fock-Bogoliubov theory with temperature dependent occupation…

Nuclear Theory · Physics 2015-11-03 S. Burrello , F. Gulminelli , F. Aymard , M. Colonna , Ad. R. Raduta

We have calculated heat capacity of TiO2 nanoparticles in three stable polymorphs by applying size and surface effects on heat capacity of the bulk structure. The size and surface corrections were imposed on the acoustic and optical bulk…

Materials Science · Physics 2013-07-30 M. Saeedian , M. Mahjour-Shafiei , E. Shojaee , M. R. Mohammadizadeh

Reactivity of Aluminum Clusters has been found to exhibit size sensitive variations. This work is motivated by a recent report1 predicting higher reactivity of melted Aluminum clusters towards the N2 molecule as compared to the non-melted…

Materials Science · Physics 2010-06-02 Bhakti S. Kulkarni , Sailaja Krishnamurty , Sourav Pal

We calculate the energy and heat capacity of a liquid on the basis of its elastic properties and vibrational states. The experimental decrease of liquid heat capacity with temperature is attributed to the increasing loss of two transverse…

Soft Condensed Matter · Physics 2009-11-13 Kostya Trachenko
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