Dielectric properties of the nanoporous MCM-41 matrix filled with the (NH4)2SO4 ferroelectric

S. V. Baryshnikov; E. V. Charnaya; A. Yu Milinskii; A. Yu Goikhman; C. Tien; M. K. Lee; L. J. Chang

doi:10.1134/S1063783413050041

Dielectric properties of the nanoporous MCM-41 matrix filled with the (NH₄)₂SO₄ ferroelectric

S. V. Baryshnikov, E. V. Charnaya, A. Yu Milinskii, A. Yu Goikhman, C. Tien, M. K. Lee, L. J. Chang

Research output: Contribution to journal › Article › peer-review

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Abstract

Variations with temperature of the linear dielectric permittivity and amplitude of the third harmonic were studied for nanoporous MCM-41 matrices with 4.0-nm channel pores filled with the (NH₄)₂SO₄ ferroelectric, in comparison with bulk ammonium sulfate. The measurements were performed upon heating and cooling in the temperature range from 100 K to room temperature. A noticeable shift to low temperatures (by approximately 25 K) for the ferroelectric phase transition in the MCM-41/(NH₄)₂SO₄ nanocomposite as compared to bulk (NH₄)₂SO₄ was revealed. The temperature hysteresis observed at the phase transition in the nanocomposite was approximately 2 K which is close to that in bulk ammonium sulfate. The significant decrease of the transition temperature in nanostructured ammonium sulfate agrees with the theoretical predictions based on the Landau and Ising models of the size effect on the ferroelectric phase transition in isolated small particles.

Original language	English
Pages (from-to)	1070-1073
Number of pages	4
Journal	Physics of the Solid State
Volume	55
Issue number	5
DOIs	https://doi.org/10.1134/S1063783413050041
Publication status	Published - 2013 May

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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@article{cb58e1a4d1714fc28df9464b2af37ca0,

title = "Dielectric properties of the nanoporous MCM-41 matrix filled with the (NH4)2SO4 ferroelectric",

abstract = "Variations with temperature of the linear dielectric permittivity and amplitude of the third harmonic were studied for nanoporous MCM-41 matrices with 4.0-nm channel pores filled with the (NH4)2SO4 ferroelectric, in comparison with bulk ammonium sulfate. The measurements were performed upon heating and cooling in the temperature range from 100 K to room temperature. A noticeable shift to low temperatures (by approximately 25 K) for the ferroelectric phase transition in the MCM-41/(NH4)2SO4 nanocomposite as compared to bulk (NH4)2SO4 was revealed. The temperature hysteresis observed at the phase transition in the nanocomposite was approximately 2 K which is close to that in bulk ammonium sulfate. The significant decrease of the transition temperature in nanostructured ammonium sulfate agrees with the theoretical predictions based on the Landau and Ising models of the size effect on the ferroelectric phase transition in isolated small particles.",

author = "Baryshnikov, {S. V.} and Charnaya, {E. V.} and Milinskii, {A. Yu} and Goikhman, {A. Yu} and C. Tien and Lee, {M. K.} and Chang, {L. J.}",

note = "Funding Information: This study was supported by the Ministry of Educa tion and Science of the Russian Federation (project no. 14.A18.21.0130), the Russian Foundation for Basic Research, the St. Petersburg State University, and NCKU.",

year = "2013",

month = may,

doi = "10.1134/S1063783413050041",

language = "English",

volume = "55",

pages = "1070--1073",

journal = "Physics of the Solid State",

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publisher = "Maik Nauka-Interperiodica Publishing",

number = "5",

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T1 - Dielectric properties of the nanoporous MCM-41 matrix filled with the (NH4)2SO4 ferroelectric

AU - Baryshnikov, S. V.

AU - Charnaya, E. V.

AU - Milinskii, A. Yu

AU - Goikhman, A. Yu

AU - Tien, C.

AU - Lee, M. K.

AU - Chang, L. J.

N1 - Funding Information: This study was supported by the Ministry of Educa tion and Science of the Russian Federation (project no. 14.A18.21.0130), the Russian Foundation for Basic Research, the St. Petersburg State University, and NCKU.

PY - 2013/5

Y1 - 2013/5

N2 - Variations with temperature of the linear dielectric permittivity and amplitude of the third harmonic were studied for nanoporous MCM-41 matrices with 4.0-nm channel pores filled with the (NH4)2SO4 ferroelectric, in comparison with bulk ammonium sulfate. The measurements were performed upon heating and cooling in the temperature range from 100 K to room temperature. A noticeable shift to low temperatures (by approximately 25 K) for the ferroelectric phase transition in the MCM-41/(NH4)2SO4 nanocomposite as compared to bulk (NH4)2SO4 was revealed. The temperature hysteresis observed at the phase transition in the nanocomposite was approximately 2 K which is close to that in bulk ammonium sulfate. The significant decrease of the transition temperature in nanostructured ammonium sulfate agrees with the theoretical predictions based on the Landau and Ising models of the size effect on the ferroelectric phase transition in isolated small particles.

AB - Variations with temperature of the linear dielectric permittivity and amplitude of the third harmonic were studied for nanoporous MCM-41 matrices with 4.0-nm channel pores filled with the (NH4)2SO4 ferroelectric, in comparison with bulk ammonium sulfate. The measurements were performed upon heating and cooling in the temperature range from 100 K to room temperature. A noticeable shift to low temperatures (by approximately 25 K) for the ferroelectric phase transition in the MCM-41/(NH4)2SO4 nanocomposite as compared to bulk (NH4)2SO4 was revealed. The temperature hysteresis observed at the phase transition in the nanocomposite was approximately 2 K which is close to that in bulk ammonium sulfate. The significant decrease of the transition temperature in nanostructured ammonium sulfate agrees with the theoretical predictions based on the Landau and Ising models of the size effect on the ferroelectric phase transition in isolated small particles.

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Dielectric properties of the nanoporous MCM-41 matrix filled with the (NH₄)₂SO₄ ferroelectric

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