Magnetic and dielectric studies of multiferroic CuO nanoparticles confined to porous glass

E. V. Charnaya; M. K. Lee; C. Tien; V. N. Pak; D. V. Formus; A. L. Pirozerskii; A. I. Nedbai; E. V. Ubyivovk; S. V. Baryshnikov; L. J. Chang

doi:10.1016/j.jmmm.2012.04.046

Magnetic and dielectric studies of multiferroic CuO nanoparticles confined to porous glass

E. V. Charnaya, M. K. Lee, C. Tien, V. N. Pak, D. V. Formus, A. L. Pirozerskii, A. I. Nedbai, E. V. Ubyivovk, S. V. Baryshnikov, L. J. Chang

研究成果: Article › 同行評審

16 引文斯高帕斯（Scopus）

摘要

Dc magnetization and ac electric permittivity were measured for the CuO-porous glass nanocomposite made and for pressed powder CuO. Magnetization curves showed a bend between two linear segments for both the nanocomposite and bulk cupric oxide at 230 K evidencing that the temperature of the transition from the paramagnetic into multiferroic phase did not change noticeably under nanoconfinement. Results suggested also a reduction of the temperature of the second transition into the collinear antiferromagnetic phase. ZFC and FC magnetizations were found to bifurcate for the nanocomposite and bulk CuO. The bifurcation was accompanied with peaks on ZFC magnetization.

原文	English
頁（從 - 到）	2921-2925
頁數	5
期刊	Journal of Magnetism and Magnetic Materials
卷	324
發行號	18
DOIs	https://doi.org/10.1016/j.jmmm.2012.04.046
出版狀態	Published - 2012 9月

All Science Journal Classification (ASJC) codes

電子、光磁材料
凝聚態物理學

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10.1016/j.jmmm.2012.04.046

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title = "Magnetic and dielectric studies of multiferroic CuO nanoparticles confined to porous glass",

abstract = "Dc magnetization and ac electric permittivity were measured for the CuO-porous glass nanocomposite made and for pressed powder CuO. Magnetization curves showed a bend between two linear segments for both the nanocomposite and bulk cupric oxide at 230 K evidencing that the temperature of the transition from the paramagnetic into multiferroic phase did not change noticeably under nanoconfinement. Results suggested also a reduction of the temperature of the second transition into the collinear antiferromagnetic phase. ZFC and FC magnetizations were found to bifurcate for the nanocomposite and bulk CuO. The bifurcation was accompanied with peaks on ZFC magnetization.",

author = "Charnaya, {E. V.} and Lee, {M. K.} and C. Tien and Pak, {V. N.} and Formus, {D. V.} and Pirozerskii, {A. L.} and Nedbai, {A. I.} and Ubyivovk, {E. V.} and Baryshnikov, {S. V.} and Chang, {L. J.}",

note = "Funding Information: The present work was supported by National Cheng Kung University and by National Science Council, Taiwan.",

year = "2012",

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doi = "10.1016/j.jmmm.2012.04.046",

language = "English",

volume = "324",

pages = "2921--2925",

journal = "Journal of Magnetism and Magnetic Materials",

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TY - JOUR

T1 - Magnetic and dielectric studies of multiferroic CuO nanoparticles confined to porous glass

AU - Charnaya, E. V.

AU - Lee, M. K.

AU - Tien, C.

AU - Pak, V. N.

AU - Formus, D. V.

AU - Pirozerskii, A. L.

AU - Nedbai, A. I.

AU - Ubyivovk, E. V.

AU - Baryshnikov, S. V.

AU - Chang, L. J.

N1 - Funding Information: The present work was supported by National Cheng Kung University and by National Science Council, Taiwan.

PY - 2012/9

Y1 - 2012/9

N2 - Dc magnetization and ac electric permittivity were measured for the CuO-porous glass nanocomposite made and for pressed powder CuO. Magnetization curves showed a bend between two linear segments for both the nanocomposite and bulk cupric oxide at 230 K evidencing that the temperature of the transition from the paramagnetic into multiferroic phase did not change noticeably under nanoconfinement. Results suggested also a reduction of the temperature of the second transition into the collinear antiferromagnetic phase. ZFC and FC magnetizations were found to bifurcate for the nanocomposite and bulk CuO. The bifurcation was accompanied with peaks on ZFC magnetization.

AB - Dc magnetization and ac electric permittivity were measured for the CuO-porous glass nanocomposite made and for pressed powder CuO. Magnetization curves showed a bend between two linear segments for both the nanocomposite and bulk cupric oxide at 230 K evidencing that the temperature of the transition from the paramagnetic into multiferroic phase did not change noticeably under nanoconfinement. Results suggested also a reduction of the temperature of the second transition into the collinear antiferromagnetic phase. ZFC and FC magnetizations were found to bifurcate for the nanocomposite and bulk CuO. The bifurcation was accompanied with peaks on ZFC magnetization.

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DO - 10.1016/j.jmmm.2012.04.046

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SN - 0304-8853

VL - 324

SP - 2921

EP - 2925

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 18

ER -

Magnetic and dielectric studies of multiferroic CuO nanoparticles confined to porous glass

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