Pub_B1

Sonderforschungsbereich 595

B1: EPR Untersuchung von Defekten in ferroelektrischen keramischen Werkstoffen

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Springe zu: 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004
Anzahl der Einträge auf dieser Ebene: 40.

2012

Erdem, Emre ; Schaab, Silke ; Jo, Wook ; Ozarowski, Andrew ; van Tol, Johan ; Eichel, Rüdiger-A. (2012):
High-Frequency EPR Analysis of MnO2-Doped [Bi0.5Na0.5]TiO3-BaTiO3Piezoelectric Ceramics – Manganese Oxidation States and Materials ‘Hardening’.
In: Ferroelectrics, S. 116-121, 428, (1), ISSN 0015-0193,
[Online-Edition: http://dx.doi.org/10.1080/00150193.2012.675831],
[Artikel]

2011

Drahus, Michael D. ; Jakes, Peter ; Erdem, Emre ; Schaab, Silke ; Chen, Jun ; Ozerov, Mykhaylo ; Zvyagin, Sergei ; Eichel, Rüdiger-A. (2011):
Manganese-doped (1−x)BiScO_{3}–xPbTiO_{3} high-temperature ferroelectrics: Defect structure and mechanism of enhanced electric resistivity.
In: Physical Review B, S. 064113-1-064113-8, 84, (6), ISSN 1098-0121,
[Online-Edition: http://dx.doi.org/10.1103/PhysRevB.84.064113],
[Artikel]

Erdem, Emre ; Eichel, Rüdiger-A.
Lallart, Mickael (Hrsg.) (2011):
Impact of Defect Structure on ’Bulk’ and Nano-Scale Ferroelectrics.
In: Ferroelectrics - Characterization and Modeling, open access book, Intech open access publischer, S. 79-96, [Buchkapitel]

Jakes, Peter ; Erdem, Emre ; Ozarowski, Andrew ; Tol, Johan van ; Buckan, Ronny ; Mikhailova, Daria ; Ehrenberg, Helmut ; Eichel, Rüdiger-A. (2011):
Local coordination of Fe3+ in Li[Co0.98Fe0.02]O2 as cathode material for lithium ion batteries—multi-frequency EPR and Monte-Carlo Newman-superposition model analysis.
In: Physical Chemistry Chemical Physics, S. 9344-9352, 13, (20), ISSN 1463-9076,
[Online-Edition: http://dx.doi.org/10.1039/C0CP02048F],
[Artikel]

Aksel, Elena ; Jakes, Peter ; Erdem, Emre ; Smyth, Donald M. ; Ozarowski, Andrew ; van Tol, Johan ; Jones, Jacob L. ; Eichel, Rüdiger-A. (2011):
Processing of Manganese-Doped [Bi0.5Na0.5]TiO3 Ferroelectrics: Reduction and Oxidation Reactions During Calcination and Sintering.
In: Journal of the American Ceramic Society, S. 1363-1367, 94, (5), ISSN 00027820,
[Online-Edition: http://dx.doi.org/10.1111/j.1551-2916.2010.04249.x],
[Artikel]

Drahus, Michael D. ; Jakes, Peter ; Erdem, Emre ; Eichel, Rüdiger-A. (2011):
Defect structure of the mixed ionic–electronic conducting Sr[Ti,Fe]Ox solid-solution system — Change in iron oxidation states and defect complexation.
In: Solid State Ionics, S. 47-51, 184, (1), ISSN 01672738,
[Online-Edition: http://dx.doi.org/10.1016/j.ssi.2010.09.045],
[Artikel]

Jakes, Peter ; Erdem, Emre ; Eichel, Rüdiger-A. ; Jin, Li ; Damjanovic, Dragan (2011):
Position of defects with respect to domain walls in Fe[sup 3+]-doped Pb[Zr[sub 0.52]Ti[sub 0.48]]O[sub 3] piezoelectric ceramics.
In: Applied Physics Letters, S. 072907-1, 98, (7), ISSN 00036951,
[Online-Edition: http://dx.doi.org/10.1063/1.3555465],
[Artikel]

Eichel, Rüdiger-A. (2011):
Structural and dynamic properties of oxygen vacancies in perovskite oxides—analysis of defect chemistry by modern multi-frequency and pulsed EPR techniques.
In: Physical Chemistry Chemical Physics, S. 368-384, 13, (2), ISSN 1463-9076,
[Online-Edition: http://dx.doi.org/10.1039/b918782k],
[Artikel]

Jo, Wook ; Ollagnier, Jean-Baptiste ; Park, Jong-Lo ; Anton, Eva-Maria ; Kwon, O-Jong ; Park, Chan ; Seo, Hyun-Ho ; Lee, Jong-Sook ; Erdem, Emre ; Eichel, Rüdiger-A. ; Rödel, Jürgen (2011):
CuO as a sintering additive for (Bi1/2Na1/2)TiO3–BaTiO3–(K0.5Na0.5)NbO3 lead-free piezoceramics.
In: Journal of the European Ceramic Society, S. 2107-217, 31, (12), ISSN 09552219,
[Online-Edition: http://dx.doi.org/10.1016/j.jeurceramsoc.2011.05.008],
[Artikel]

2010

Erdem, Emre ; Jakes, Peter ; Parashar, S. K. S. ; Kiraz, Kamil ; Somer, Mehmet ; Rüdiger, Andreas ; Eichel, Rüdiger-A. (2010):
Defect structure in aliovalently-doped and isovalently-substituted PbTiO3nano-powders.
In: Journal of Physics: Condensed Matter, S. 345901-1, 22, (34), ISSN 0953-8984,
[Online-Edition: http://dx.doi.org/10.1088/0953-8984/22/34/345901],
[Artikel]

Aksel, Elena ; Erdem, Emre ; Jakes, Peter ; Jones, Jacob L. ; Eichel, Rüdiger-A. (2010):
Defect structure and materials “hardening” in Fe2O3-doped [Bi0.5Na0.5]TiO3 ferroelectrics.
In: Applied Physics Letters, S. 012903-1, 97, (1), ISSN 00036951,
[Online-Edition: http://dx.doi.org/10.1063/1.3455888],
[Artikel]

Jo, Wook ; Erdem, Emre ; Eichel, Rüdiger-A. ; Glaum, Julia ; Granzow, Torsten ; Damjanovic, Dragan ; Rödel, Jürgen (2010):
Effect of Nb-donor and Fe-acceptor dopants in (Bi[sub 1/2]Na[sub 1/2])TiO[sub 3]–BaTiO[sub 3]–(K[sub 0.5]Na[sub 0.5])NbO[sub 3] lead-free piezoceramics.
In: Journal of Applied Physics, S. 014110-1, 108, (1), ISSN 00218979,
[Online-Edition: http://dx.doi.org/10.1063/1.3437645],
[Artikel]

Erdem, Emre ; Eichel, Rüdiger-A. ; Fetzer, C. S. ; Dezsi, I. ; Lauterbach, S. ; Kleebe, Hans-Joachim ; Balogh, Adam G. (2010):
Site of incorporation and solubility for Fe ions in acceptor-doped PZT ceramics.
In: Journal of Applied Physics, AIP, S. 054109, 107, (5), ISSN 0021-8979,
[Online-Edition: http://dx.doi.org/10.1063/1.3327436],
[Artikel]

Eichel, Rüdiger-A. ; Kungl, Hans (2010):
Recent developments and future perspectives of lead-free ferroelectrics.
In: Functional Materials Letters, S. 1-4, 03, (01), ISSN 1793-6047,
[Online-Edition: http://dx.doi.org/10.1142/S179360471000097X],
[Artikel]

Erdem, Emre ; Jakes, Peter ; Eichel, Rüdiger-A. ; Sinclair, Derek C. ; Pasha, Mahaboob ; Reaney, Ian M. (2010):
Formation of (Ti'Ti − V••O)• defect dipoles in BaTiO3 ceramics heat-treated under reduce oxygen partial-pressure.
In: Functional Materials Letters, S. 65-68, 03, (01), ISSN 1793-6047,
[Online-Edition: http://dx.doi.org/10.1142/S1793604710000956],
[Artikel]

Erdem, Emre ; Kiraz, Kamil ; Somer, Mehmet ; Eichel, Rüdiger-A. (2010):
Size effects in Fe3+-doped PbTiO3 nanocrystals—Formation and orientation of (Fe'Ti-V0°°)° defect-dipoles.
In: Journal of the European Ceramic Society, S. 289-293, 30, (2), ISSN 09552219,
[Online-Edition: http://dx.doi.org/10.1016/j.jeurceramsoc.2009.04.034],
[Artikel]

2009

Tol, J. van ; Dinse, Klaus-Peter ; Kungl, Hans ; Hoffmann, Michael J. (2009):
Pulsed High-Frequency EPR Investigation of Gadolinium-Doped PbZrO3 and PbTiO3.
In: Applied Magnetic Resonance, S. 297-307, 36, (2-4), ISSN 0937-9347,
[Online-Edition: http://dx.doi.org/10.1007/s00723-009-0026-2],
[Artikel]

Eichel, Rüdiger-A. ; Erünal, Ebru ; Drahus, Michael D. ; Smyth, Donald M. ; van Tol, Johan ; Acker, Jérôme ; Kungl, Hans ; Hoffmann, Michael J. (2009):
Local variations in defect polarization and covalent bonding in ferroelectric Cu2+-doped PZT and KNN functional ceramics at the morphotropic phase boundary.
In: Physical Chemistry Chemical Physics, S. 8698-8705, 11, (39), ISSN 1463-9076,
[Online-Edition: http://dx.doi.org/10.1039/b905642d],
[Artikel]

Eichel, Rüdiger-A. ; Drahus, Michael D. ; Jakes, Peter ; Erünal, Ebru ; Erdem, Emre ; Parashar, Sandeep Kumar ; Kungl, Hans ; Hoffmann, Michael J. (2009):
Defect structure and formation of defect complexes in Cu2+-modified metal oxides derived from a spin-Hamiltonian parameter analysis.
In: Molecular Physics, S. 1981, 107, (19), ISSN 0026-8976,
[Online-Edition: http://dx.doi.org/10.1080/00268970903084920],
[Artikel]

Erdem, Emre ; Mass, Valentina ; Gembus, Armin ; Schulz, Armin ; Liebau-Kunzmann, Verena ; Fasel, Claudia ; Riedel, Ralf ; Eichel, Rüdiger-A. (2009):
Defect structure in lithium-doped polymer-derived SiCN ceramics characterized by Raman and electron paramagnetic resonance spectroscopy.
In: Physical Chemistry Chemical Physics, Royal Society of Chemistry, S. 5628-5633, 11, (27), ISSN 1463-9076,
[Online-Edition: http://dx.doi.org/10.1039/b822457a],
[Artikel]

Kleebe, Hans-Joachim ; Lauterbach, Stefan ; Silvestroni, Laura ; Kungl, Hans ; Hoffmann, Michael J. ; Erdem, Emre ; Eichel, Rüdiger-A. (2009):
Formation of magnetic grains in ferroelectric Pb[Zr[sub 0.6]Ti[sub 0.4]]O[sub 3] ceramics doped with Fe[sup 3+] above the solubility limit.
In: Applied Physics Letters, S. 142901-1, 94, (14), ISSN 00036951,
[Online-Edition: http://dx.doi.org/10.1063/1.3103313],
[Artikel]

Schneider, Jörg J. ; Hoffmann, Rudolf C. ; Engstler, Jörg ; Dilfer, Stefan ; Klyszcz, Andreas ; Erdem, Emre ; Jakes, Peter ; Eichel, Rüdiger-A. (2009):
Zinc oxide derived from single source precursor chemistry under chimie douce conditions: Formation pathway, defect chemistry and possible applications in thin film printing.
In: Journal of Materials Chemistry, S. 1449-1457, 19, (10), [Online-Edition: http://dx.doi.org/10.1039/b816376f],
[Artikel]

2008

Zhang, Lixue ; Erdem, Emre ; Ren, Xiaobing ; Eichel, Rüdiger-A. (2008):
Reorientation of (Mn[sub Ti][sup ʺ]−V[sub O][sup ●●])[sup ×] defect dipoles in acceptor-modified BaTiO[sub 3] single crystals: An electron paramagnetic resonance study.
In: Applied Physics Letters, S. 202901-1-202901-3, 93, (20), ISSN 00036951,
[Online-Edition: http://dx.doi.org/10.1063/1.3006327],
[Artikel]

Erdem, Emre ; Drahus, Michael D. ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; van Tol, Johan ; Brunel, Louis Claude (2008):
DEFECT STRUCTURE IN "SOFT" (Gd,Fe)-CODOPED PZT 52.5/47.5 PIEZOELECTRIC CERAMIC.
In: Functional Materials Letters, S. 7, 01, (01), ISSN 1793-6047,
[Online-Edition: http://dx.doi.org/10.1142/S1793604708000034],
[Artikel]

Erdem, Emre ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; van Tol, Johan ; Brunei, L. C. (2008):
Characterization of (Fe<sub>Zr,Ti</sub>-V<sub>o</sub> <sup>ldrldr</sup>)<sup>ldr</sup> defect dipoles in (La,Fe)-codoped PZT 52.5/47.5 piezoelectric ceramics by multifrequency electron paramagnetic resonance spectroscopy.
In: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, S. 1061-1068, 55, (5), ISSN 0885-3010,
[Online-Edition: http://dx.doi.org/10.1109/TUFFC.2008.757],
[Artikel]

Eichel, Rüdiger-A. ; Erhart, Paul ; Träskelin, Petra ; Albe, Karsten ; Kungl, Hans ; Hoffmann, Michael J. (2008):
Defect-Dipole Formation in Copper-Doped PbTiO3 Ferroelectrics.
In: Physical Review Letters, American Physical Society, S. 095504-1, 100, (9), ISSN 0031-9007,
[Online-Edition: http://dx.doi.org/10.1103/PhysRevLett.100.095504],
[Artikel]

Eichel, Rüdiger-A. (2008):
Characterization of Defect Structure in Acceptor-Modified Piezoelectric Ceramics by Multifrequency and Multipulse Electron Paramagnetic Resonance Spectroscopy.
In: Journal of the American Ceramic Society, S. 691-701, 91, (3), ISSN 0002-7820,
[Online-Edition: http://dx.doi.org/10.1111/j.1551-2916.2008.02303.x],
[Artikel]

Erdem, Emre ; Drahus, Michael ; Eichel, Rüdiger-A. ; Ozarowski, Andrew ; van Tol, Johan ; Brunel, Louis Claude (2008):
Microstructural Characterization of the Manganese Functional Center Site in PbTiO3Ferroelectrics — Multi-Frequency Electron Paramagnetic Resonance and Newman Superposition Model Analysis.
In: Ferroelectrics, S. 39-49, 363, (1), ISSN 0015-0193,
[Online-Edition: http://dx.doi.org/10.1080/00150190802014396],
[Artikel]

2007

Erdem, Emre ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; van Tol, Hans ; Brunel, Louis Claude (2007):
Local symmetry-reduction in tetragonal (La,Fe)-codoped Pb[Zr0.4Ti0.6]O3 piezoelectric ceramics.
In: Physica Scripta, S. 12-16, T129, ISSN 0031-8949,
[Online-Edition: http://dx.doi.org/10.1088/0031-8949/2007/T129/003],
[Artikel]

Erhart, Paul ; Eichel, Rüdiger-A. ; Träskelin, Petra ; Albe, Karsten (2007):
Association of oxygen vacancies with impurity metal ions in lead titanate.
In: Physical review / B, American Physical Society, S. 174116-1-174116-12, 76, (17), [Online-Edition: http://dx.doi.org/10.1103/PhysRevB.76.174116],
[Artikel]

Eichel, Rüdiger-A. (2007):
Defect structure of oxide ferroelectrics—valence state, site of incorporation, mechanisms of charge compensation and internal bias fields.
In: Journal of Electroceramics, S. 11-23, 19, (1), ISSN 1385-3449,
[Online-Edition: http://dx.doi.org/10.1007/s10832-007-9068-8],
[Artikel]

Schönau, Kristin A. ; Schmitt, Ljubomira A. ; Knapp, Michael ; Fuess, Hartmut ; Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. (2007):
Nanodomain structure of Pb[Zr_{1−x}Ti_{x}]O_{3} at its morphotropic phase boundary: Investigations from local to average structure.
In: Physical Review B, S. 184117-1-184117-10, 75, (18), ISSN 1098-0121,
[Online-Edition: http://dx.doi.org/10.1103/PhysRevB.75.184117],
[Artikel]

Eichel, Rüdiger-A. ; Böttcher, Rolf (2007):
Characterization of the high-spin Mn2+-functional centre in BaTiO3 by means of right-angle wiggling electron paramagnetic resonance spectroscopy.
In: Molecular Physics, S. 2195-2201, 105, (15-16), ISSN 0026-8976,
[Online-Edition: http://dx.doi.org/10.1080/00268970701790942],
[Artikel]

2006

Meštrić, Hrvoje ; Eichel, Rüdiger-A. ; Dinse, Klaus-Peter ; Ozarowski, Andrew ; van Tol, Johan ; Brunel, Louis ; Kungl, Hans ; Hoffmann, Michael ; Schönau, Kristin ; Knapp, Michael ; Fuess, Hartmut (2006):
Iron-oxygen vacancy defect association in polycrystalline iron-modified PbZrO3 antiferroelectrics: Multifrequency electron paramagnetic resonance and Newman superposition model analysis.
In: Physical Review B, S. 184105-1-184105-10, 73, (18), ISSN 1098-0121,
[Online-Edition: http://dx.doi.org/10.1103/PhysRevB.73.184105],
[Artikel]

Eichel, Rüdiger-A. ; Meštrić, Hrvoje ; Kungl, Hans ; Hoffmann, Michael J. (2006):
Multifrequency electron paramagnetic resonance analysis of polycrystalline gadolinium-doped PbTiO[sub 3]—Charge compensation and site of incorporation.
In: Applied Physics Letters, S. 122506-1, 88, (12), ISSN 00036951,
[Online-Edition: http://dx.doi.org/10.1063/1.2185258],
[Artikel]

2005

Eichel, Rüdiger-A. ; Meštrić, Hrvoje ; Dinse, Klaus-Peter ; Ozarowski, Andrew ; van Tol, Johan ; Brunel, Louis Claude ; Kungl, Hans ; Hoffmann, Michael J. (2005):
High-field/high-frequency EPR of paramagnetic functional centers in Cu2+- and Fe3+-modified polycrystalline Pb[ZrxTi1−x]O3 ferroelectrics.
In: Magnetic Resonance in Chemistry, S. 166-173, 43, (S1), ISSN 0749-1581,
[Online-Edition: http://dx.doi.org/10.1002/mrc.1696],
[Artikel]

Meštrić, Hrvoje ; Eichel, Rüdiger-A. ; Koss, T. ; Dinse, Klaus-Peter ; Laubach, Sonja ; Laubach, Stefan ; Schmidt, Peter C. ; Schönau, Kristin A. ; Knapp, Michael ; Ehrenberg, Helmut (2005):
Iron-oxygen vacancy defect centers in PbTiO3 : Newman superposition model analysis and density functional calculations.
In: Physical Review B, S. 134109-1-134109-10, 71, (13), [Online-Edition: http://dx.doi.org/10.1103/PhysRevB.71.134109],
[Artikel]

Eichel, Rüdiger-A. ; Dinse, Klaus-Peter ; Kungl, Hans ; Hoffmann, Michael J. ; Ozarowski, Andrew ; van Tol, Johan ; Brunel, Louis Claude (2005):
Exploring the morphotropic phase boundary in copper(II)-modified Pb[Zr0.54Ti0.46]O3 ferroelectrics.
In: Applied Physics A, S. 51-54, 80, (1), [Artikel]

2004

Meštrić, Hrvoje ; Eichel, Rüdiger-A. ; Dinse, Klaus-Peter ; Ozarowski, Andrew ; van Tol, Johan ; Brunel, Louis Claude (2004):
High-frequency electron paramagnetic resonance investigation of the Fe[sup 3+] impurity center in polycrystalline PbTiO[sub 3] in its ferroelectric phase.
In: Journal of Applied Physics, S. 7440-1, 96, (12), ISSN 00218979,
[Online-Edition: http://dx.doi.org/10.1063/1.1808477],
[Artikel]

Eichel, Rüdiger-A. ; Kungl, Hans ; Hoffmann, Michael J. (2004):
Determination of functional center local environment in copper-modified Pb[Zr[sub 0.54]Ti[sub 0.46]]O[sub 3] ceramics.
In: Journal of Applied Physics, S. 8092-1, 95, (12), ISSN 00218979,
[Online-Edition: http://dx.doi.org/10.1063/1.1728310],
[Artikel]

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