Propagation and localization of phonons in graphite and graphene nanofilms

SB Feodosyev, IA Gospodarev, VA Sirenko… - Low Temperature …, 2022 - pubs.aip.org
The nature of flexural rigidity of graphene monolayers and the formation of the quasi-flexural
modes in graphite and graphene nanofilms is explained. It is shown, that in the major part of …

Specific features of heat transfer in the orientationally ordered phases of molecular crystals in the region with predominant phonon-phonon scattering

AI Krivchikov, OO Romantsova, OA Korolyuk… - Low Temperature …, 2015 - pubs.aip.org
Thermal conductivity of an orientationally ordered tert-butanol crystal was measured in the
temperature range T= 4–150 K at equilibrium vapor pressure. The literature data on the …

Features of the propagation of phonons in graphene nanostructures. Fast high-frequency phonons in a quasi-flexural mode

SB Feodosyev, IA Gospodarev, VA Sirenko… - Low Temperature …, 2022 - pubs.aip.org
The character of propagation in graphene nanostructures of quasi-flexural phonons, whose
dispersion law differs from that of sound, is analyzed. Based on the calculation of the …

Thermodynamics of dilute 3He–4He solid solutions with hcp structure

KA Chishko - Low Temperature Physics, 2018 - pubs.aip.org
To interpret the anomalies in heat capacity CV (T) and temperature-dependent pressure P
(T) of solid hexagonal close-packed (hcp) 4 He we exploit the model of hcp crystalline …

The Nature of the Glassy Phase in 4He Crystals

TN Antsygina, MI Poltavskaya, KA Chishko - Low Temperature Physics, 2015 - pubs.aip.org
A model of a close-packed polytype with a random stacking fault structure is used to interpret
the anomalies of the thermodynamic properties of the disordered (glassy) phase in solid …

Magnetic relaxation in Zn (PO3) 2· Er (PO3) 3 glass

M Orendáč, K Tibenská, E Čižmár, V Tkáč… - Journal of Magnetism …, 2016 - Elsevier
The results of experimental studies of alternating (ac) magnetic susceptibility and specific
heat of Zn (PO 3) 2· Er (PO 3) 3 glass are reported. Despite a high concentration of magnetic …

The lower limit of thermal conductivity in multicomponent solutions of rare gas solids

VA Konstantinov, AV Karachevtseva… - Low Temperature …, 2019 - pubs.aip.org
The isochoric thermal conductivity of Kr 0.63 Xe 0.37 solid solution has been investigated for
three samples with different molar volumes in the temperature range from 80 K to the onset …

Isochoric thermal conductivity of solid 2-propanol

VA Konstantinov, VV Sagan… - Low Temperature …, 2018 - pubs.aip.org
The isochoric thermal conductivity of solid 2-propanol (C 3 H 7 OH) was measured for
samples of different densities, in the temperature range from 140 K up to melting. It was …