Ferroelectricity and gradual melting in NaNO2 particles confined within porous alumina

Cheng Tien, E. V. Charnaya, D. Yu Podorozhkin, M. K. Lee, S. V. Baryshnikov

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

NMR and dielectric studies were carried out for ferroelectric NaNO2 embedded into porous alumina. 23Na spin-lattice relaxation and static lineshape were measured within a large temperature range covering the ferroelectric phase transition in bulk sodium nitrite till NaNO2 melting. The coexistence of the crystalline and melted states of confined sodium nitrite was observed above 400 K, gradual melting being over at about 510 K. The solid portion of confined sodium nitrite bore ferroelectricity with phase transition temperature higher than that in bulk NaNO2. Correlation time of molecular mobility in the melted fraction was found and activation enthalpy was estimated.

Original languageEnglish
Pages (from-to)2346-2351
Number of pages6
JournalPhysica Status Solidi (B) Basic Research
Volume246
Issue number10
DOIs
Publication statusPublished - 2009 Oct 1

Fingerprint

Sodium Nitrite
Ferroelectricity
Aluminum Oxide
nitrites
ferroelectricity
Melting
Alumina
aluminum oxides
Sodium
melting
sodium
Ferroelectric materials
Phase transitions
Spin-lattice relaxation
spin-lattice relaxation
Superconducting transition temperature
Enthalpy
coverings
enthalpy
Chemical activation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Tien, Cheng ; Charnaya, E. V. ; Yu Podorozhkin, D. ; Lee, M. K. ; Baryshnikov, S. V. / Ferroelectricity and gradual melting in NaNO2 particles confined within porous alumina. In: Physica Status Solidi (B) Basic Research. 2009 ; Vol. 246, No. 10. pp. 2346-2351.
@article{dc46c0d3889143c9b86fd1d16aac2461,
title = "Ferroelectricity and gradual melting in NaNO2 particles confined within porous alumina",
abstract = "NMR and dielectric studies were carried out for ferroelectric NaNO2 embedded into porous alumina. 23Na spin-lattice relaxation and static lineshape were measured within a large temperature range covering the ferroelectric phase transition in bulk sodium nitrite till NaNO2 melting. The coexistence of the crystalline and melted states of confined sodium nitrite was observed above 400 K, gradual melting being over at about 510 K. The solid portion of confined sodium nitrite bore ferroelectricity with phase transition temperature higher than that in bulk NaNO2. Correlation time of molecular mobility in the melted fraction was found and activation enthalpy was estimated.",
author = "Cheng Tien and Charnaya, {E. V.} and {Yu Podorozhkin}, D. and Lee, {M. K.} and Baryshnikov, {S. V.}",
year = "2009",
month = "10",
day = "1",
doi = "10.1002/pssb.200945117",
language = "English",
volume = "246",
pages = "2346--2351",
journal = "Physica Status Solidi (B): Basic Research",
issn = "0370-1972",
publisher = "Wiley-VCH Verlag",
number = "10",

}

Ferroelectricity and gradual melting in NaNO2 particles confined within porous alumina. / Tien, Cheng; Charnaya, E. V.; Yu Podorozhkin, D.; Lee, M. K.; Baryshnikov, S. V.

In: Physica Status Solidi (B) Basic Research, Vol. 246, No. 10, 01.10.2009, p. 2346-2351.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Ferroelectricity and gradual melting in NaNO2 particles confined within porous alumina

AU - Tien, Cheng

AU - Charnaya, E. V.

AU - Yu Podorozhkin, D.

AU - Lee, M. K.

AU - Baryshnikov, S. V.

PY - 2009/10/1

Y1 - 2009/10/1

N2 - NMR and dielectric studies were carried out for ferroelectric NaNO2 embedded into porous alumina. 23Na spin-lattice relaxation and static lineshape were measured within a large temperature range covering the ferroelectric phase transition in bulk sodium nitrite till NaNO2 melting. The coexistence of the crystalline and melted states of confined sodium nitrite was observed above 400 K, gradual melting being over at about 510 K. The solid portion of confined sodium nitrite bore ferroelectricity with phase transition temperature higher than that in bulk NaNO2. Correlation time of molecular mobility in the melted fraction was found and activation enthalpy was estimated.

AB - NMR and dielectric studies were carried out for ferroelectric NaNO2 embedded into porous alumina. 23Na spin-lattice relaxation and static lineshape were measured within a large temperature range covering the ferroelectric phase transition in bulk sodium nitrite till NaNO2 melting. The coexistence of the crystalline and melted states of confined sodium nitrite was observed above 400 K, gradual melting being over at about 510 K. The solid portion of confined sodium nitrite bore ferroelectricity with phase transition temperature higher than that in bulk NaNO2. Correlation time of molecular mobility in the melted fraction was found and activation enthalpy was estimated.

UR - http://www.scopus.com/inward/record.url?scp=76849098179&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=76849098179&partnerID=8YFLogxK

U2 - 10.1002/pssb.200945117

DO - 10.1002/pssb.200945117

M3 - Article

AN - SCOPUS:76849098179

VL - 246

SP - 2346

EP - 2351

JO - Physica Status Solidi (B): Basic Research

JF - Physica Status Solidi (B): Basic Research

SN - 0370-1972

IS - 10

ER -