The separation of grain and grain boundary impedance in thin yttria stabilized zirconia (YSZ) layers

被引：104

作者：

Gerstl, M. ^{[1
]}

Navickas, E. ^{[1
,2
]}

Friedbacher, G. ^{[1
]}

Kubel, F. ^{[1
]}

Ahrens, M. ^{[1
]}

Fleig, J. ^{[1
]}

机构：

[1] Vienna Univ Technol, Inst Chem Technol & Analyt, A-1060 Vienna, Austria

[2] Kaunas Univ Technol, Inst Mat Sci, LT-50131 Kaunas, Lithuania

来源：

SOLID STATE IONICS | 2011年 / 185卷 / 01期

基金：

奥地利科学基金会;

关键词：

Thin films; Ion conduction; YSZ; Pulsed-laser deposition; Impedance spectroscopy; Grain boundaries; PULSED-LASER DEPOSITION; OXIDE FUEL-CELLS; ELECTRICAL-CONDUCTIVITY; NANOCRYSTALLINE CERIA; IONIC-CONDUCTIVITY; OXYGEN DIFFUSION; DOPED ZIRCONIA; FILMS; MICROSTRUCTURE; CERAMICS;

D O I：

10.1016/j.ssi.2011.01.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

An improved electrode geometry is proposed to study thin ion conducting films by impedance spectroscopy. It is shown that long, thin, and closely spaced electrodes arranged interdigitally allow a separation of grain and grain boundary effects also in very thin films. This separation is shown to be successful for yttria stabilized zirconia (YSZ) layers thinner than 20 nm. In a series of experiments it is demonstrated that the extracted parameters correspond to the YSZ grain boundary and grain bulk resistances or to grain boundary and substrate capacitances. Results also show that our YSZ films produced by pulsed-laser deposition (PLD) on sapphire substrates exhibit a bulk conductivity which is very close to that of macroscopic YSZ samples. (c) 2011 Elsevier B.V. All rights reserved.

引用

页码：32 / 41

页数：10

共 39 条

[1] STUDY OF SOLID ELECTROLYTE POLARIZATION BY A COMPLEX ADMITTANCE METHOD [J].

BAUERLE, JE .

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1969, 30 (12) :2657-&

[2]

Brossmann U, 2004, REV ADV MATER SCI, V6, P7

[3] Ionic conductivity of zirconia based ceramics from single crystals to nanostructured polycrystals [J].

Cheikh, A ;

Madani, A ;

Touati, A ;

Boussetta, H ;

Monty, C .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2001, 21 (10-11) :1837-1841

[4] Electrical properties of a highly oriented, textured thin film of the ionic conductor Gd:CeO2-δ on (001) MgO [J].

Chen, L ;

Chen, CL ;

Chen, X ;

Donner, W ;

Liu, SW ;

Lin, Y ;

Huang, DX ;

Jacobson, AJ .

APPLIED PHYSICS LETTERS, 2003, 83 (23) :4737-4739

[5] Synthesis and characterization of Ce0.8Gd0.2O2-y polycrystalline and thin film materials [J].

Chiodelli, G ;

Malavasi, L ;

Massarotti, V ;

Mustarelli, P ;

Quartarone, E .

SOLID STATE IONICS, 2005, 176 (17-18) :1505-1512

[6] The transport mechanism of YSZ thin films prepared by MOCVD [J].

Chun, SY ;

Mizutani, N .

APPLIED SURFACE SCIENCE, 2001, 171 (1-2) :82-88

[7] Oxygen diffusion in nanocrystalline yttria-stabilized zirconia: the effect of grain boundaries [J].

De Souza, Roger A. ;

Pietrowski, Martha J. ;

Anselmi-Tamburini, Umberto ;

Kim, Sangtae ;

Munir, Zuhair A. ;

Martin, Manfred .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2008, 10 (15) :2067-2072

[8] Electrolytes for solid oxide fuel cells [J].

Fergus, Jeffrey W. .

JOURNAL OF POWER SOURCES, 2006, 162 (01) :30-40

[9] The impedance of ceramics with highly resistive grain boundaries: Validity and limits of the brick layer model [J].

Fleig, J ;

Maier, J .

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 1999, 19 (6-7) :693-696

[10] The grain boundary impedance of random microstructures: numerical simulations and implications for the analysis of experimental data [J].

Fleig, J .

SOLID STATE IONICS, 2002, 150 (1-2) :181-193

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