Temperature oscillations of magnetization observed in nanofluid ferromagnetic graphite

S. Sergeenkov; N. S. Souza; C. Speglich; V. A.G. Rivera; C. A. Cardoso; H. Pardo; A. W. Mombrú; F. M. Araújo-Moreira

doi:10.1088/0953-8984/21/49/495303

Temperature oscillations of magnetization observed in nanofluid ferromagnetic graphite

S. Sergeenkov, N. S. Souza, C. Speglich, V. A.G. Rivera, C. A. Cardoso, H. Pardo, A. W. Mombrú, F. M. Araújo-Moreira

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6 Citas (Scopus)

Resumen

We report on unusual magnetic properties observed for nanofluid room temperature ferromagnetic graphite (with an average particle size of l≃10nm). More precisely, the measured magnetization exhibits a low temperature anomaly (attributed to the manifestation of finite size effects below the quantum temperature T1∝h²/l²) as well as pronounced temperature oscillations above T = 50K (attributed to manifestation of the hard-sphere type of pair correlations between ferromagnetic particles in the nanofluid).

Idioma original	Inglés
Número de artículo	495303
Publicación	Journal of Physics Condensed Matter
Volumen	21
N.º	49
DOI	https://doi.org/10.1088/0953-8984/21/49/495303
Estado	Publicada - 2009
Publicado de forma externa	Sí

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title = "Temperature oscillations of magnetization observed in nanofluid ferromagnetic graphite",

abstract = "We report on unusual magnetic properties observed for nanofluid room temperature ferromagnetic graphite (with an average particle size of l≃10nm). More precisely, the measured magnetization exhibits a low temperature anomaly (attributed to the manifestation of finite size effects below the quantum temperature T1∝h2/l2) as well as pronounced temperature oscillations above T = 50K (attributed to manifestation of the hard-sphere type of pair correlations between ferromagnetic particles in the nanofluid).",

author = "S. Sergeenkov and Souza, {N. S.} and C. Speglich and Rivera, {V. A.G.} and Cardoso, {C. A.} and H. Pardo and Mombr{\'u}, {A. W.} and Ara{\'u}jo-Moreira, {F. M.}",

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T1 - Temperature oscillations of magnetization observed in nanofluid ferromagnetic graphite

AU - Sergeenkov, S.

AU - Souza, N. S.

AU - Speglich, C.

AU - Rivera, V. A.G.

AU - Cardoso, C. A.

AU - Pardo, H.

AU - Mombrú, A. W.

AU - Araújo-Moreira, F. M.

PY - 2009

Y1 - 2009

N2 - We report on unusual magnetic properties observed for nanofluid room temperature ferromagnetic graphite (with an average particle size of l≃10nm). More precisely, the measured magnetization exhibits a low temperature anomaly (attributed to the manifestation of finite size effects below the quantum temperature T1∝h2/l2) as well as pronounced temperature oscillations above T = 50K (attributed to manifestation of the hard-sphere type of pair correlations between ferromagnetic particles in the nanofluid).

AB - We report on unusual magnetic properties observed for nanofluid room temperature ferromagnetic graphite (with an average particle size of l≃10nm). More precisely, the measured magnetization exhibits a low temperature anomaly (attributed to the manifestation of finite size effects below the quantum temperature T1∝h2/l2) as well as pronounced temperature oscillations above T = 50K (attributed to manifestation of the hard-sphere type of pair correlations between ferromagnetic particles in the nanofluid).

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U2 - 10.1088/0953-8984/21/49/495303

DO - 10.1088/0953-8984/21/49/495303

M3 - Artículo

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SN - 0953-8984

VL - 21

JO - Journal of Physics Condensed Matter

JF - Journal of Physics Condensed Matter

IS - 49

M1 - 495303

ER -

Temperature oscillations of magnetization observed in nanofluid ferromagnetic graphite

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