Results 31 to 40 of about 13,252,850 (343)

Specific heat of Ca0.33Na0.67Fe2As2 [PDF]

Solid State Communications, 2014
The specific heat of single crystal hole-doped Ca0.33Na0.67Fe2As2, Tc(onset)=33.7 K, was measured from 0.4 to 40 K. The discontinuity in the specific heat at Tc, deltaC, divided by Tc is 105 +- 5 mJ/molK2, consistent with values found previously for hole-doped Ba0.6K0.4Fe2As2 and somewhat above the general trend for deltaC/Tc vs Tc for the iron based ...
Kim, J. S., Zhao, K., Jin, C. Q., Stewart, G. R.   +3 more
openaire   +2 more sources

Gapless Superfluidity and Neutron Star Cooling

Physical Sciences Forum, 2023
The presence of currents in the interior of cold neutron stars can lead to a state in which nucleons remain superfluid while the quasiparticle energy spectrum has no gap. We show within the self-consistent time-dependent nuclear energy density functional
Valentin Allard, Nicolas Chamel
doaj   +1 more source

Heat Diffusion in High-C_p Nb₃Sn Composite Superconducting Wires

Instruments, 2020
A major focus of Nb3Sn accelerator magnets is on significantly reducing or eliminating their training. Demonstration of an approach to increase the Cp of Nb3Sn magnets using new materials and technologies is very important both for particle accelerators ...
Emanuela Barzi, Fabrizio Berritta, Daniele Turrioni, Alexander V. Zlobin   +3 more
doaj   +1 more source

Low Temperature Thermal Properties of Nanodiamond Ceramics

Crystals, 2022
The temperature dependence of thermal conductivity and specific heat for detonated nanodiamond ceramics is investigated on specially designed experimental setups, implementing the uniaxial stationary heat flow method and the thermal relaxation method ...
Daria Szewczyk, Miguel A. Ramos
doaj   +1 more source

The Magnetic Properties and Band-Gap Energy of CuFeO₂—Bulk Materials and Nanoparticles—Doped with Mn, Sc, Mg at the Fe Site, and Li, Ca at the Cu Site

Magnetochemistry
We have investigated for the first time the temperature, size, and ion-doping concentration dependence of the magnetic properties, band-gap energy, and specific heat of CuFeO2 in both bulk materials and nanoparticles using a microscopic model (the s-d ...
Angel T. Apostolov, Iliana N. Apostolova, Julia M. Wesselinowa   +2 more
doaj   +1 more source

Paramagnetic Metal—Antiferromagnetic Insulator Transition in π-d System λ-BETS2FeCl4, BETS = Bis(ethylenedithio)tetraselenafulvalene

Crystals, 2012
Quasi-two-dimensional organic conductor λ-BETS2FeCl4 (BETS = bis(ethylenedithio)tetraselenafulvalene) transforms from a paramagnetic metal (PM) to an antiferromagnetic insulator (AFI) at a transition temperature, TMI, of 8.3 K under zero magnetic field ...
Hiroshi Akiba, Kazuo Shimada, Naoya Tajima, Koji Kajita, Yutaka Nishio   +4 more
doaj   +1 more source

FBG-Based Sensor for the Assessment of Heat Transfer Rate of Liquids in a Forced Convective Environment

Sensors, 2021
The assessment of heat transfer is a complex task, especially for operations in the oil and gas industry, due to the harsh and flammable workspace. In light of the limitations of conventional sensors in harsh environments, this paper presents a fiber ...
Renan Lazaro, Anselmo Frizera-Neto, Carlos Marques, Carlos Eduardo Schmidt Castellani, Arnaldo Leal-Junior   +4 more
doaj   +1 more source

Specific heat of twisted bilayer graphene: Engineering phonons by atomic plane rotations [PDF]

, 2014
We have studied the phonon specific heat in single-layer, bilayer, and twisted bilayer graphene. The calculations were performed using the Born-von Karman model of lattice dynamics for intralayer atomic interactions and spherically symmetric interatomic ...
D. Nika, Alexandr I. Cocemasov, A. Balandin   +2 more
semanticscholar   +1 more source

Specific Heat of Disordered $^{3}$He

, 2006
Porous aerogel is a source of elastic scattering in superfluid 3He and modifies the properties of the superfluid, suppressing the transition temperature and order parameter.
Choi, H., Davis, J. P., Halperin, W. P., Mulders, N., Pollanen, J.   +4 more
core   +1 more source

Specific heat of MgB_2 after irradiation

, 2003
We studied the effect of disorder on the superconducting properties of polycrystalline MgB_2 by specific-heat measurements. In the pristine state, these measurements give a bulk confirmation of the presence of two superconducting gaps with 2 Delta 0 ...
, Alain Junod, Bernard Revaz, Bouquet F, Eisterer M, Flükiger R, Fr d ric Bouquet, Golubov A A, Harald W Weber, Ilya Sheikin, Joerg Hinderer, Junod A, Junod A, Komori K, Michael Eisterer, Patnaik S, Pierre Toulemonde, Shulga S V, Shulga S V, Yuxing Wang   +19 more
core   +1 more source