Defect structure and materials "hardening" in Fe2O3-doped [Bi0.5Na0.5]TiO3 ferroelectrics

被引：76

作者：

Aksel, Elena ^{[2
]}

Erdem, Emre ^{[1
]}

Jakes, Peter ^{[1
]}

Jones, Jacob L. ^{[2
]}

Eichel, Ruediger-A. ^{[1
]}

机构：

[1] Univ Freiburg, Inst Phys Chem 1, D-79104 Freiburg, Germany

[2] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA

来源：

APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 01期

关键词：

barium compounds; doping; ferroelectric ceramics; hardening; iron compounds; paramagnetic resonance; piezoceramics; sodium compounds; vacancies (crystal); PARAMAGNETIC-RESONANCE SPECTROSCOPY; PIEZOELECTRIC CERAMICS; PHASE-TRANSITIONS; NA0.5BI0.5TIO3; MULTIFREQUENCY; DIPOLES; BATIO3; TEM;

D O I：

10.1063/1.3455888

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effect of Fe2O3-doping on the defect structure and piezoelectric properties of [Bi0.5Na0.5]TiO3 ceramics is studied by means of electron paramagnetic resonance spectroscopy. The results show that the Fe3+ functional centers are incorporated at the perovskite B-site, and clearly can be attributed to the formation of (Fe-Ti(')-V-O(center dot center dot))(center dot) defect complexes with charge compensating oxygen vacancies. Correspondingly, they act as acceptors which promotes materials "hardening.". (C) 2010 American Institute of Physics. [doi:10.1063/1.3455888]

引用

页数：3

共 30 条

[1]

Abragam A., 1970, ELECT PARAMAGNETIC R

[2] PROCESSING AND PROPERTIES OF Na0.5Bi0.5TiO3 PIEZOELECTRIC CERAMICS MODIFIED WITH La, Mn AND Fe [J].

Aksel, Elena ;

Foronda, Humberto ;

Calhoun, Kyle A. ;

Jones, Jacob L. ;

Schaab, Silke ;

Granzow, Torsten .

FUNCTIONAL MATERIALS LETTERS, 2010, 3 (01) :45-48

[3] INTERNAL BIAS IN FERROELECTRIC CERAMICS - ORIGIN AND TIME-DEPENDENCE [J].

ARLT, G ;

NEUMANN, H .

FERROELECTRICS, 1988, 87 :109-120

[4] STATISTICAL-THEORY OF HYSTERESIS IN FERROELECTRIC MATERIALS [J].

BOSER, O .

JOURNAL OF APPLIED PHYSICS, 1987, 62 (04) :1344-1348

[5] ELECTRICAL AFTEREFFECTS IN PB(TI,ZR)O3 CERAMICS [J].

CARL, K ;

HARDTL, KH .

FERROELECTRICS, 1978, 17 (3-4) :473-486

[6] Materials science - Lead-free at last [J].

Cross, E .

NATURE, 2004, 432 (7013) :24-25

[7] WHAT CAN BE EXPECTED FROM LEAD-FREE PIEZOELECTRIC MATERIALS? [J].

Damjanovic, Dragan ;

Klein, Naama ;

Li, Jin ;

Porokhonskyy, Viktor .

FUNCTIONAL MATERIALS LETTERS, 2010, 3 (01) :5-13

[8] Reinvestigation of phase transitions in Na0.5Bi0.5TiO3 by TEM.: Part I:: First order rhombohedral to orthorhombic phase transition [J].

Dorcet, V. ;

Trolliard, G. ;

Boullay, P. .

CHEMISTRY OF MATERIALS, 2008, 20 (15) :5061-5073

[9] Defect-dipole formation in copper-doped PbTiO3 ferroelectrics [J].

Eichel, Ruediger-A. ;

Erhart, Paul ;

Traeskelin, Petra ;

Albe, Karsten ;

Kungl, Hans ;

Hoffmann, Michael J. .

PHYSICAL REVIEW LETTERS, 2008, 100 (09)

[10] Characterization of defect structure in acceptor-modified piezoelectric ceramics by multifrequency and multipulse electron paramagnetic resonance spectroscopy [J].

Eichel, Ruediger-A. .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2008, 91 (03) :691-701

← 1 2 3 →