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Related papers: Thermal Conductivity of Methane-Hydrate

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The thermal conductivity of solid parahydrogen crystal with methane admixtures has been measured in the temperature range 1.5 to 8 K. Solid samples were grown from the gas mixture at 13 K. Concentration of CH4 admixture molecules in the gas…

Materials Science · Physics 2009-11-07 A. I. Krivchikov , V. V. Sumarokov , J. Mucha , P. Stachowiak , A. Jezowski , O. A. Korolyuk

The thermal conductivity of tetrahydrofuran hydrate has been measured in the temperature region 2 – 220 K by the steady-state potentiometric method. The temperature dependence of the thermal conductivity exhibits behavior typical of…

Disordered Systems and Neural Networks · Physics 2007-05-23 A. I. Krivchikova , V. G. Manzheliia , O. A. Korolyuka , B. Ya. Gorodilova , O. O. Romantsovaa

The thermal conductivity of some orientational glasses of protonated C2H5OH and deuterated C2D5OD ethanol, cyclic substances (cyclohexanol C6H11OH, cyanocyclohexane C6H11CN, cyclohexene C6H10), and freon 112 (CFCl2)2 have been analyzed in…

Disordered Systems and Neural Networks · Physics 2014-04-03 A. I. Krivchikov , G. A. Vdovychenko , O. A. Korolyuk , O. O. Romantsova

The thermal conductivity of polycrystalline semiconductors with type-I clathrate hydrate crystal structure is reported. Ge clathrates (doped with Sr and/or Eu) exhibit lattice thermal conductivities typical of amorphous materials.…

Materials Science · Physics 2009-10-31 J. L. Cohn , G. S. Nolas , V. Fessatidis , T. H. Metcalf , G. A. Slack

Thermal conductivity of a model glass-forming system in the liquid and glass states is studied using extensive numerical simulations. We show that near the glass transition temperture, where the structural relaxation time becomes very long,…

Disordered Systems and Neural Networks · Physics 2020-02-26 Pranab Jyoti Bhuyan , Rituparno Mandal , Pinaki Chaudhuri , Abhishek Dhar , Chandan Dasgupta

The thermal conductivity of polycrystalline samples of (Na,Ca)Co_2O_4 is found to be unusually low, 20 mW/cmK at 280 K. On the assumption of the Wiedemann-Franz law, the lattice thermal conductivity is estimated to be 18 mW/cmK at 280 K,…

Strongly Correlated Electrons · Physics 2009-10-31 K. Takahata , Y. Iguchi , D. Tanaka , T. Itoh , I. Terasaki

The thermal conductivity of suspended single-layer graphene was measured as a function of temperature using Raman scattering spectroscopy on clean samples prepared directly on a prepatterned substrate by mechanical exfoliation without…

Mesoscale and Nanoscale Physics · Physics 2011-03-18 Jae-Ung Lee , Duhee Yoon , Hakseong Kim , Sang Wook Lee , Hyeonsik Cheong

Management of heat during charging and discharging of Li-ion batteries is critical for their safety, reliability, and performance. Understanding the thermal conductivity of the materials comprising batteries is crucial for controlling the…

Materials Science · Physics 2021-03-17 Zhe Cheng , Beniamin Zahiri , Xiaoyang Ji , Chen Chen , Darshan Chalise , Paul V. Braun , David G. Cahill

We report on the first measurement of the thermal conductivity of a suspended single layer graphene. The measurements were performed using a non-contact optical technique. The near room-temperature values of the thermal conductivity in the…

Materials Science · Physics 2008-03-15 A. A. Balandin , S. Ghosh , W. Bao , I. Calizo , D. Teweldebrhan , F. Miao , C. N. Lau

Thermal conductivities $\Lambda $ of amorphous carbon thin films are measured in the temperatures range 80--400 K using the $3\omega $ method. Sample films range from soft a-C:H prepared by remote-plasma deposition ($\Lambda = 0.20$ W…

Materials Science · Physics 2009-10-31 Andrew J. Bullen , Keith E. O'Hara , David G. Cahill , Othon Monteiro , Achim von Keudell

We have measured the thermal conductivity of glassy glycerol between 1.5 K and 100 K, as well as the specific heat of both glassy and crystalline phases of glycerol between 0.5 K and 25 K. We discuss both low-temperature properties of this…

Disordered Systems and Neural Networks · Physics 2009-11-07 C. Talon , Q. W. Zou , M. A. Ramos , R. Villar , S. Vieira

For $\beta$-$\mathrm{Ga_2O_3}$ only little information exist concerning the thermal properties, especially the thermal conductivity $\lambda$. Here, the thermal conductivity is measured by applying the electrical 3$\omega$-method on…

Materials Science · Physics 2015-02-10 Martin Handwerg , Rüdiger Mitdank , Zbigniew Galazka , Saskia F. Fischer

We investigate the thermal conductivity of suspended graphene as a function of the density of defects, ND, introduced in a controllable way. Graphene layers are synthesized using chemical vapor deposition, transferred onto a transmission…

Microwave heating of methane hydrate is investigated with electrostatic molecular dynamics simulations by the SPC/E water model. The structure I of methane hydrate is constructed. When the methane hydrate with a density of 0.91…

Chemical Physics · Physics 2023-11-27 Motohiko Tanaka , Motoyasu Sato , Shin Nakatani

The ab-plane thermal conductivity $\kappa$ of single-crystalline hexagonal MgB_2 has been measured as a function of magnetic field H with orientations both parallel and perpendicular to the c-axis and at temperatures between 0.5 and 300 K.…

Superconductivity · Physics 2009-11-07 A. V. Sologubenko , J. Jun , S. M. Kazakov , J. Karpinski , H. R. Ott

We have investigated thermal conductivity of graphene laminate films deposited on polyethylene terephthalate substrates. Two types of graphene laminate were studied - as deposited and compressed - in order to determine the physical…

Materials Science · Physics 2014-11-21 H. Malekpour , K. -H. Chang , J. -C. Chen , C. -Y. Lu , D. L. Nika , K. S. Novoselov , A. A. Balandin

Materials with high thermal conductivity are needed to conduct heat away from hot spots in high power electronics and optoelectronic devices. Cubic boron arsenide (c-BAs) has a high thermal conductivity due to its special phonon dispersion…

Ionic liquids have been suggested as new engineering fluids, namely in the area of heat transfer, as alternatives to current biphenyl and diphenyl oxide, alkylated aromatics and dimethyl polysiloxane oils, which degrade above 200 {\deg}C…

The thermal conductivities of beta-Ga2O3 single crystals along four different crystal directions were measured in the temperature range of 80-495K using the time domain thermoreflectance (TDTR) method. A large anisotropy was found. At room…

Graphene has drawn wide attention due to its exceptional thermal conductivity but complete understanding of thermal characteristics of polycrystalline graphene is still elusive to date. For the first time, herein, we have systematically…

Materials Science · Physics 2013-04-26 Young I. Jhon , Myung S. Jhon
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