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Title: Effect of compositional variations in the lead lanthanum zirconate stannate titanate system on electrical properties

Abstract

The purpose of this work was to evaluate the effect of compositional modifications on the electrical properties of lead lanthanum zirconate stannate titanate (PLZST) ceramics, as well as to examine their electrically induced phase-change behavior. Variations in the Ti:Sn ratio were evaluated. Increased Ti{sup 4+} content produced the following: decreased switching field, related to an increased antiferroelectric-ferroelectric (AFE-FE) transition temperature; constant hysteresis ({Delta}E) correlated with a constant temperature of the maximum dielectric constant (T{sub max}); a sharper dielectric-constant maximum peak; and increased room-temperature dielectric constant (K). Variations in the Zr:Sn ratio also were evaluated. Increased Zr{sup 4+} content produced the following: increased hysteresis with increased T{sub max}, decreased maximum dielectric constant, and decreased switching field with increased AFE-FE transition temperature (T{sub AFE-FE}). From these results, with respect to compositional modifications, the AFE-FE switching field (E{sub AFE-FE}) and {Delta}E were observed to be dependent strongly on T{sub AFE-FE} and T{sub max}, respectively. Negligible change existed in the strain achievable at the switching field, which remained constant for all compositions at {approximately}0.16%. The significance of this research was the ability demonstrated to tailor the properties of phase-change materials through compositional modifications.

Authors:
; ; ;  [1]
  1. Pennsylvania State Univ., University Park, PA (United States). Materials Research Lab.
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
422739
Resource Type:
Journal Article
Journal Name:
Journal of the American Ceramic Society
Additional Journal Information:
Journal Volume: 79; Journal Issue: 12; Other Information: PBD: Dec 1996
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; LEAD OXIDES; CRYSTAL-PHASE TRANSFORMATIONS; ELECTRICAL PROPERTIES; LANTHANUM OXIDES; ZIRCONIUM OXIDES; TIN OXIDES; TITANIUM OXIDES; SAMPLE PREPARATION; CHEMICAL COMPOSITION; SINTERING; HOT PRESSING; SCANNING ELECTRON MICROSCOPY; X-RAY DIFFRACTION; ELECTRIC FIELDS; TRANSITION TEMPERATURE; HYSTERESIS; STRAINS; EXPERIMENTAL DATA

Citation Formats

Markowski, K, Park, S E, Yoshikawa, Shoko, and Cross, L E. Effect of compositional variations in the lead lanthanum zirconate stannate titanate system on electrical properties. United States: N. p., 1996. Web. doi:10.1111/j.1151-2916.1996.tb08108.x.
Markowski, K, Park, S E, Yoshikawa, Shoko, & Cross, L E. Effect of compositional variations in the lead lanthanum zirconate stannate titanate system on electrical properties. United States. doi:10.1111/j.1151-2916.1996.tb08108.x.
Markowski, K, Park, S E, Yoshikawa, Shoko, and Cross, L E. Sun . "Effect of compositional variations in the lead lanthanum zirconate stannate titanate system on electrical properties". United States. doi:10.1111/j.1151-2916.1996.tb08108.x.
@article{osti_422739,
title = {Effect of compositional variations in the lead lanthanum zirconate stannate titanate system on electrical properties},
author = {Markowski, K and Park, S E and Yoshikawa, Shoko and Cross, L E},
abstractNote = {The purpose of this work was to evaluate the effect of compositional modifications on the electrical properties of lead lanthanum zirconate stannate titanate (PLZST) ceramics, as well as to examine their electrically induced phase-change behavior. Variations in the Ti:Sn ratio were evaluated. Increased Ti{sup 4+} content produced the following: decreased switching field, related to an increased antiferroelectric-ferroelectric (AFE-FE) transition temperature; constant hysteresis ({Delta}E) correlated with a constant temperature of the maximum dielectric constant (T{sub max}); a sharper dielectric-constant maximum peak; and increased room-temperature dielectric constant (K). Variations in the Zr:Sn ratio also were evaluated. Increased Zr{sup 4+} content produced the following: increased hysteresis with increased T{sub max}, decreased maximum dielectric constant, and decreased switching field with increased AFE-FE transition temperature (T{sub AFE-FE}). From these results, with respect to compositional modifications, the AFE-FE switching field (E{sub AFE-FE}) and {Delta}E were observed to be dependent strongly on T{sub AFE-FE} and T{sub max}, respectively. Negligible change existed in the strain achievable at the switching field, which remained constant for all compositions at {approximately}0.16%. The significance of this research was the ability demonstrated to tailor the properties of phase-change materials through compositional modifications.},
doi = {10.1111/j.1151-2916.1996.tb08108.x},
journal = {Journal of the American Ceramic Society},
number = 12,
volume = 79,
place = {United States},
year = {1996},
month = {12}
}