Raman spectroscopy of Pb(Zr1-xTix)O3 graded ceramics around the morphotropic phase boundary

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F11%3A00362893" target="_blank" >RIV/68378271:_____/11:00362893 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1080/01411594.2011.552049" target="_blank" >http://dx.doi.org/10.1080/01411594.2011.552049</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/01411594.2011.552049" target="_blank" >10.1080/01411594.2011.552049</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Raman spectroscopy of Pb(Zr1-xTix)O3 graded ceramics around the morphotropic phase boundary

Popis výsledku v původním jazyce

Lead zirconate titanate ceramics with spatially graded composition from x=0.46 to 0.49 were studied by Raman scanning microscopy and the results were compared with Raman spectra in PZT ceramics of different compositions around the morphotropic phase boundary (MPB). An E-symmetry mode located near 200 cm-1 was found to be a measure of the tetragonality of PZT in both standard and graded ceramics. The singular value decomposition method was applied to decompose the experimental spectra of the graded ceramics. Two main contributions were found: one is related to the intensity of the main transverse modes; especially the E(TO2) mode; and it gives evidence of the change between tetragonal and rhombohedral symmetries in the sample; the second one shows changes just through the spatial MPB and it is related tothe intensities of A1(TO2) and E(LO2) modes. All the phonons involved in the main changes correspond to Zr and Ti vibrations.

Název v anglickém jazyce

Raman spectroscopy of Pb(Zr1-xTix)O3 graded ceramics around the morphotropic phase boundary

Popis výsledku anglicky

Lead zirconate titanate ceramics with spatially graded composition from x=0.46 to 0.49 were studied by Raman scanning microscopy and the results were compared with Raman spectra in PZT ceramics of different compositions around the morphotropic phase boundary (MPB). An E-symmetry mode located near 200 cm-1 was found to be a measure of the tetragonality of PZT in both standard and graded ceramics. The singular value decomposition method was applied to decompose the experimental spectra of the graded ceramics. Two main contributions were found: one is related to the intensity of the main transverse modes; especially the E(TO2) mode; and it gives evidence of the change between tetragonal and rhombohedral symmetries in the sample; the second one shows changes just through the spatial MPB and it is related tothe intensities of A1(TO2) and E(LO2) modes. All the phonons involved in the main changes correspond to Zr and Ti vibrations.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Phase Transitions

ISSN

0141-1594

e-ISSN

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Svazek periodika

84

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

14

Strana od-do

528-541

Kód UT WoS článku

000290399800012

EID výsledku v databázi Scopus

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