NMR and dielectric studies of ferroelectric nanocomposites with KDP

N. I. Uskova, D. Yu Podorozhkin, E. V. Charnaya, S. V. Baryshnikov, A. Yu Milinskiy, D. Yu Nefedov, A. S. Bugaev, M. K. Lee, L. J. Chang

Research output: Contribution to journalArticle

Abstract

Ferroelectricity was studied for the nanocomposites consisted of KDP loaded MCM-41 molecular sieves and porous glass with pore sizes 3.8 and 7 nm, respectively. Studies were carried out by NMR and dielectric techniques. The ferroelectric phase transition in the MCM-41 nanocomposite was shifted by 0.4 K to high temperature, while the ferroelectric transition in the porous glass nanocomposite was not found. The different ferroelectric behavior of the MCM-41 and porous glass nanocomposites with KDP was ascribed to the impact of the interparticle coupling. The 31P MAS NMR measurements showed that the isotropic chemical shift at room temperature was the same for nanocomposites and bulk KDP. This result confirmed the similarity of the crystalline structure of confined particles and bulk KDP. The chemical shift tensor parameters below the ferroelectric phase transition were calculated for bulk KDP and KDP confined to MCM-41 molecular sieves.

Original languageEnglish
Pages (from-to)50-60
Number of pages11
JournalFerroelectrics
Volume514
Issue number1
DOIs
Publication statusPublished - 2017 Jul 4

Fingerprint

Ferroelectric materials
Multicarrier modulation
Nanocomposites
nanocomposites
Nuclear magnetic resonance
nuclear magnetic resonance
Molecular sieves
Chemical shift
absorbents
Glass
chemical equilibrium
glass
Phase transitions
Ferroelectricity
ferroelectricity
Pore size
Tensors
tensors
Crystalline materials
porosity

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Uskova, N. I., Podorozhkin, D. Y., Charnaya, E. V., Baryshnikov, S. V., Milinskiy, A. Y., Nefedov, D. Y., ... Chang, L. J. (2017). NMR and dielectric studies of ferroelectric nanocomposites with KDP. Ferroelectrics, 514(1), 50-60. https://doi.org/10.1080/00150193.2017.1357980
Uskova, N. I. ; Podorozhkin, D. Yu ; Charnaya, E. V. ; Baryshnikov, S. V. ; Milinskiy, A. Yu ; Nefedov, D. Yu ; Bugaev, A. S. ; Lee, M. K. ; Chang, L. J. / NMR and dielectric studies of ferroelectric nanocomposites with KDP. In: Ferroelectrics. 2017 ; Vol. 514, No. 1. pp. 50-60.
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Uskova, NI, Podorozhkin, DY, Charnaya, EV, Baryshnikov, SV, Milinskiy, AY, Nefedov, DY, Bugaev, AS, Lee, MK & Chang, LJ 2017, 'NMR and dielectric studies of ferroelectric nanocomposites with KDP', Ferroelectrics, vol. 514, no. 1, pp. 50-60. https://doi.org/10.1080/00150193.2017.1357980

NMR and dielectric studies of ferroelectric nanocomposites with KDP. / Uskova, N. I.; Podorozhkin, D. Yu; Charnaya, E. V.; Baryshnikov, S. V.; Milinskiy, A. Yu; Nefedov, D. Yu; Bugaev, A. S.; Lee, M. K.; Chang, L. J.

In: Ferroelectrics, Vol. 514, No. 1, 04.07.2017, p. 50-60.

Research output: Contribution to journalArticle

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AU - Uskova, N. I.

AU - Podorozhkin, D. Yu

AU - Charnaya, E. V.

AU - Baryshnikov, S. V.

AU - Milinskiy, A. Yu

AU - Nefedov, D. Yu

AU - Bugaev, A. S.

AU - Lee, M. K.

AU - Chang, L. J.

PY - 2017/7/4

Y1 - 2017/7/4

N2 - Ferroelectricity was studied for the nanocomposites consisted of KDP loaded MCM-41 molecular sieves and porous glass with pore sizes 3.8 and 7 nm, respectively. Studies were carried out by NMR and dielectric techniques. The ferroelectric phase transition in the MCM-41 nanocomposite was shifted by 0.4 K to high temperature, while the ferroelectric transition in the porous glass nanocomposite was not found. The different ferroelectric behavior of the MCM-41 and porous glass nanocomposites with KDP was ascribed to the impact of the interparticle coupling. The 31P MAS NMR measurements showed that the isotropic chemical shift at room temperature was the same for nanocomposites and bulk KDP. This result confirmed the similarity of the crystalline structure of confined particles and bulk KDP. The chemical shift tensor parameters below the ferroelectric phase transition were calculated for bulk KDP and KDP confined to MCM-41 molecular sieves.

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Uskova NI, Podorozhkin DY, Charnaya EV, Baryshnikov SV, Milinskiy AY, Nefedov DY et al. NMR and dielectric studies of ferroelectric nanocomposites with KDP. Ferroelectrics. 2017 Jul 4;514(1):50-60. https://doi.org/10.1080/00150193.2017.1357980