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Neutron depolarization study of the Fe3O4-based frozen ferrofluids. / Grigoriev, S. V.; Eberbeck, D.; Runov, V. V.

In: Physica B: Condensed Matter, Vol. 297, No. 1-4, 03.2001, p. 253-257.

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Grigoriev, S. V. ; Eberbeck, D. ; Runov, V. V. / Neutron depolarization study of the Fe3O4-based frozen ferrofluids. In: Physica B: Condensed Matter. 2001 ; Vol. 297, No. 1-4. pp. 253-257.

BibTeX

@article{230b8e7b0c6046fe8c3c259ea386b5e0,
title = "Neutron depolarization study of the Fe3O4-based frozen ferrofluids",
abstract = "Magnetic properties of the Fe3O4-based frozen ferrofluids (FFF) are investigated using a neutron depolarization (ND) technique at the temperature range from 20 to 290K and at the magnetic field from 80 to 8000A/m. The investigated FFFs (1, 2, 3) with concentration about 10% differ in an average diameter of the particle (51, 53, 67 {\AA}). with dispersion (0.20, 0.53, 0.51), respectively. It was found that the ferrofluids frozen in zero magnetic field can build magnetic dipole glasses with spin-glass-like behavior, e.g. with a long-time relaxation of the magnetization and irreversibility at low temperature. The data can be interpreted in terms of an energy balance of magnetic (dipole interactions, magnetic field) and thermal contributions.",
keywords = "Ferrofluids, Neutron depolarization",
author = "Grigoriev, {S. V.} and D. Eberbeck and Runov, {V. V.}",
note = "Funding Information: The work is supported by RFFR (projects 00-15-96814 and 98-02-17632) and the Russian State Program “Neutron Research of Solids”. ; Proceeding of the 3rd International Workshop on Polarised Neutrons ; Conference date: 20-06-2000",
year = "2001",
month = mar,
doi = "10.1016/S0921-4526(00)00829-2",
language = "English",
volume = "297",
pages = "253--257",
journal = "Physica B: Condensed Matter",
issn = "0921-4526",
publisher = "Elsevier",
number = "1-4",

}

RIS

TY - JOUR

T1 - Neutron depolarization study of the Fe3O4-based frozen ferrofluids

AU - Grigoriev, S. V.

AU - Eberbeck, D.

AU - Runov, V. V.

N1 - Funding Information: The work is supported by RFFR (projects 00-15-96814 and 98-02-17632) and the Russian State Program “Neutron Research of Solids”.

PY - 2001/3

Y1 - 2001/3

N2 - Magnetic properties of the Fe3O4-based frozen ferrofluids (FFF) are investigated using a neutron depolarization (ND) technique at the temperature range from 20 to 290K and at the magnetic field from 80 to 8000A/m. The investigated FFFs (1, 2, 3) with concentration about 10% differ in an average diameter of the particle (51, 53, 67 Å). with dispersion (0.20, 0.53, 0.51), respectively. It was found that the ferrofluids frozen in zero magnetic field can build magnetic dipole glasses with spin-glass-like behavior, e.g. with a long-time relaxation of the magnetization and irreversibility at low temperature. The data can be interpreted in terms of an energy balance of magnetic (dipole interactions, magnetic field) and thermal contributions.

AB - Magnetic properties of the Fe3O4-based frozen ferrofluids (FFF) are investigated using a neutron depolarization (ND) technique at the temperature range from 20 to 290K and at the magnetic field from 80 to 8000A/m. The investigated FFFs (1, 2, 3) with concentration about 10% differ in an average diameter of the particle (51, 53, 67 Å). with dispersion (0.20, 0.53, 0.51), respectively. It was found that the ferrofluids frozen in zero magnetic field can build magnetic dipole glasses with spin-glass-like behavior, e.g. with a long-time relaxation of the magnetization and irreversibility at low temperature. The data can be interpreted in terms of an energy balance of magnetic (dipole interactions, magnetic field) and thermal contributions.

KW - Ferrofluids

KW - Neutron depolarization

UR - http://www.scopus.com/inward/record.url?scp=0035274258&partnerID=8YFLogxK

U2 - 10.1016/S0921-4526(00)00829-2

DO - 10.1016/S0921-4526(00)00829-2

M3 - Conference article

AN - SCOPUS:0035274258

VL - 297

SP - 253

EP - 257

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

IS - 1-4

T2 - Proceeding of the 3rd International Workshop on Polarised Neutrons

Y2 - 20 June 2000

ER -

ID: 86439886