СН

С. Н. Попов

Oles Honchar Dnipro National University

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V. G. Manzheliı̆

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

NА

N. А. Vinnikov

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

V. G. Gavrilko

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

АВ

А. В. Долбин

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

V. B. Esel’son

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

V. V. Lemanov

Physico-Technical Institute

Bertil Sundqvist

Umeå University

ГА

Г. А. Панкова

Russian Academy of Sciences

N. N. Kraǐnik

Physico-Technical Institute

G. A. Smolensky

Physico-Technical Institute

Cooperative Institutions

Russian Academy of Sciences

Physico-Technical Institute

Vavilov Institute of General Genetics

Prokhorov General Physics Institute

Ioffe Institute

Institute of Gene Biology

Siberian Branch of the Russian Academy of Sciences

National Academy of Sciences of Ukraine

Oles Honchar Dnipro National University

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

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Defect Dipoles and Internal Bias Field in Glycine Phosphate-Doped Glycine Phosphite Crystals

Ferroelectrics (2005)

V. K. Yarmarkin С. Н. Попов S. G. Shul’man V. V. Lk

Abstract Temperature dependences of pyroelectric, piezoelectric and dielectric responses of glycine phosphite crystals doped with glycine phosphate, in temperature interval 120–320 K, have been investigated. It was established that, unlike the undoped crystals, glycine phosphite crystals grown from the solution containing 25% of glycine phosphate reveal strongly asymmetric hysteresis loops below ferroelectric phase transition temperature T C , and considerable pyroelectric and piezoelectric activity was observed both below and above T C . Analysis of the shape of the hysteresis loops and temperature dependences of dielectric permittivity with and without external biasing points to the existence of internal bias field ∼ 5 kV/cm along the twofold symmetry axis. Possible origin of the internal bias field is discussed.

Hysteresis

Dielectric loss

10.1080/00150190590966874

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Citations (3)

Quantum phenomena in the radial thermal expansion of bundles of single-walled carbon nanotubes doped with 3He. A giant isotope effect

Low Temperature Physics (2011)

А. В. Долбин V. B. Esel’son V. G. Gavrilko V. G. Manzheliı̆N. А. Vinnikov

The radial thermal expansion {\alpha}r of bundles of single-walled carbon nanotubes saturated with 3He up to the molar concentration 9.4% has been investigated in the temperature interval 2.1-9.5 K by high-sensitivity capacitance dilatometry. In the interval 2.1-7 K a negative {\alpha}r was observed, with a magnitude which exceeded the largest negative {\alpha}r values of pure and 4He-saturated nanotubes by three and two orders of magnitude, respectively. The contributions of the two He isotope impurities to the negative thermal expansion of the nanotube bundles are most likely connected with the spatial redistribution of 4He and 3He atoms by tunneling at the surface and inside nanotube bundles. The isotope effect turned out to be huge, probably owing to the higher tunneling probability of 3He atoms.

Kinetic isotope effect

10.1063/1.3624780

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Citations (6)

Influence of quenching on low-frequency neutron and Raman spectra of glasses

Physica A Statistical Mechanics and its Applications (1993)

S.L. Isakov S.N. Ishmaev V. K. Malinovsky V. N. Novikov P. P. Parshin

10.1016/0378-4371(93)90437-9

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Citations (8)

Properties of phonon electroacoustic echo in piezoelectric substances under resonance conditions

Journal of Experimental and Theoretical Physics (1977)

G. A. Smolenskiǐ С. Н. Попов N. N. Kraǐnik B. Laikhtman E. A. Tarakanov

Echo (communications protocol)

Solid-state physics

Source

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Citations (0)

Synthesis of frequency spectra based on use of multilevel pulse sequences

USSR Rept Electron Elec Eng JPRS UEE (1984)

A. S. Ananyev С. Н. Попов

Source

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Electroacoustic echoes and long-time storage in piezo- and ferroelectrics

Ferroelectrics (1978)

G. A. Smolensky B. Laikhtman С. Н. Попов N. N. Kraǐnik E. A. Tarakanov

Experimental and theoretical studies of two- and three-pulse electroacoustic echoes in powders have been carried out. Two-pulse-echo relaxation properties have been studied near ferroelectric phase transition. Electroacoustic-echo accumulation effect is different for two- and three-pulse echoes. Perspective of the electroacoustic echoes as a new tool of solid-state investigations is discussed.

Echo (communications protocol)

Electroacoustic music

10.1080/00150197808237213

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Citations (1)

Hydrogen sorption and radial thermal expansion of bundles of single-walled nanotubes irradiated by γ-rays in hydrogen atmosphere

Low Temperature Physics (2011)

А. В. Долбин V. B. Essel’son V. G. Gavrilko V. G. Manzheliı̆N. А. Vinnikov

The influence of radiation exposure in hydrogen atmosphere on the radial thermal expansion of single-walled carbon nanotubes and on their sorption of hydrogen is studied. The irradiation was carried out with cobalt-60 γ-rays (with an energy of 1.2 MeV and an irradiation dose of 1.5·107 rad) in the normal hydrogen atmosphere under pressure 1 atm and at temperature of 300 K. The sorption and desorption of hydrogen by samples of nanotubes were investigated over the temperature range 15–1170 K before and after irradiation. It was found that the irradiation of carbon nanotubes (CNTs) in hydrogen atmosphere leads to considerable increasing an amount of hydrogen sorbed by the sample. The irradiation in hydrogen atmosphere resulted in increasing absolute values of radial thermal expansion of CNTs bundles over the temperature range investigated (2–120 K). The effects of hydrogen physically and chemically sorbed in bundles of CNTs on the radial thermal expansion of the irradiated samples were distinguished.

Thermal desorption

Atmospheric temperature range

10.1063/1.3643271

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Citations (14)

NQR Srudy of Ferroelastic Phase Transition in Hg2Cl2 Crystals

Springer eBooks (1979)

A. A. Kaplyanskiǐ С. Н. Попов Č. Bárta

Ferroelasticity

Crystal (programming language)

10.1007/978-3-642-81344-3_319

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