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List of works by Jürgen Rödel

A High-Temperature-Capacitor Dielectric Based on K 0.5 Na 0.5 NbO 3 -Modified Bi 1/2 Na 1/2 TiO 3 -Bi 1/2 K 1/2 TiO 3

Absence of toughening behavior in 0.94(Na 1/2 Bi 1/2 )TiO 3 -0.06BaTiO 3 relaxor ceramic

Aging in the relaxor and ferroelectric state of Fe-doped (1-x)(Bi 1/2 Na 1/2 )TiO 3 -xBaTiO 3 piezoelectric ceramics

An ideal amplitude window against electric fatigue in BaTiO3-based lead-free piezoelectric materials

Anisotropy of ferroelectric behavior of (1 − x)Bi 1/2 Na 1/2 TiO 3 –xBaTiO 3 single crystals across the morphotropic phase boundary

Auxetic behavior under electrical loads in an induced ferroelectric phase

BaTiO 3 -based piezoelectrics: Fundamentals, current status, and perspectives

Bi(Me)O3–PbTiO3highTCpiezoelectric multilayers

Bi1/2Na1/2TiO3–BaTiO3 based thick-film capacitors for high-temperature applications

Bipolar Fatigue Caused by Field Screening in Pb(Zr,Ti)O3Ceramics

scientific article

Bipolar and Unipolar Fatigue of Ferroelectric BNT-Based Lead-Free Piezoceramics

Bulk ZnO as piezotronic pressure sensor

Can an electric field induce an antiferroelectric phase out of a ferroelectric phase?

scientific article published on 14 December 2010

Characterization of warpage behaviour of Gd-doped ceria/NiO–yttria stabilized zirconia bi-layer samples for solid oxide fuel cell application

Codoping of zirconia with yttria and scandia

Coexistence of ergodicity and nonergodicity in LaFeO3-modified Bi(1/2)(Na(0.78)K(0.22))(1/2)TiO3 relaxors

scientific article published on 21 August 2012

Conceptual Framework for Dislocation-Modified Conductivity in Oxide Ceramics Deconvoluting Mesoscopic Structure, Core, and Space Charge Exemplified for SrTiO3

scientific article published on 10 November 2020

Constrained Sintering of a Glass Ceramic Composite: I. Asymmetric Laminate

Constrained Sintering of a Glass Ceramic Composite: II. Symmetric Laminate

Constrained sintering: A delicate balance of scales

Core-Shell Lead-Free Piezoelectric Ceramics: Current Status and Advanced Characterization of the Bi 1/2 Na 1/2 TiO 3 -SrTiO 3 System

Correlation of small- and large-signal properties of lead zirconate titanate multilayer actuators

Corrigendum to “Uniaxial viscosity of gadolinium-doped ceria determined by discontinuous sinter forging” [J. Eur. Ceram. Soc. 27 (2007) 3127–3133]

Cracking of titania nanocrystalline coatings

Crack‐tip toughness of lead‐free (1− x )(Na 1/2 Bi 1/2 )TiO 3 – x BaTiO 3 piezoceramics

Critical Role of Monoclinic Polarization Rotation in High-Performance Perovskite Piezoelectric Materials

scientific article published on 07 July 2017

Criticality: Concept to Enhance the Piezoelectric and Electrocaloric Properties of Ferroelectrics

Crystallographic design for energy storage

scientific article published on 01 September 2020

CuO as a sintering additive for (Bi1/2Na1/2)TiO3–BaTiO3–(K0.5Na0.5)NbO3 lead-free piezoceramics

Current-voltage characteristics for lead zirconate titanate bulk ceramics

Cyclic electric field response of morphotropic Bi 1/2 Na 1/2 TiO 3 -BaTiO 3 piezoceramics

Cycling stability of lead-free BNT–8BT and BNT–6BT–3KNN multilayer actuators and bulk ceramics

Deconvolving Ferroelastic and Phase Transformation Toughening in Pb(Zr 1− x Ti x )O 3 and Pb 1− y La y (Zr 1− x Ti x )O 3

Defect Structure of Doped Lead-Free 0.9(Bi 0.5 Na 0.5 )TiO 3 −0.1(Bi 0.5 K 0.5 )TiO 3 Piezoceramics

Degradation of lead-zirconate-titanate ceramics under different dc loads

Densification of Powder Compact Containing Large and Small Pores

Determination of depolarization temperature of (Bi 1/2 Na 1/2 )TiO 3 -based lead-free piezoceramics

Development of a roadmap for advanced ceramics: 2010–2025

scientific article

Domain fragmentation during cyclic fatigue in 94%(Bi 1/2 Na 1/2 )TiO 3 -6%BaTiO 3

Domain switching energies: Mechanical versus electrical loading in La-doped bismuth ferrite–lead titanate

EFFECT OF SUBSTITUTION OF K FOR Na ON THE FERROELECTRIC STABILITY AND PROPERTIES OF ( Bi 1/2 Na 1/2 ) TiO 3 - BaTiO 3 -( K 0.5 Na 0.5 ) NbO 3

Effect of Ferroelectric Long-Range Order on the Unipolar and Bipolar Electric Fatigue in Bi1/2Na1/2TiO3-Based Lead-Free Piezoceramics

Effect of K 0.5 Na 0.5 NbO 3 on Properties at and off the Morphotropic Phase Boundary in Bi 0.5 Na 0.5 TiO 3 –Bi 0.5 K 0.5 TiO 3 Ceramics

Effect of Nb-donor and Fe-acceptor dopants in (Bi1/2Na1/2)TiO3–BaTiO3–(K0.5Na0.5)NbO3 lead-free piezoceramics

Effect of Texture on Temperature-Dependent Properties of K0.5Na0.5NbO3Modified Bi1/2Na1/2TiO3-xBaTiO3

Effect of tetragonal distortion on ferroelectric domain switching: A case study on La-doped BiFeO3–PbTiO3 ceramics

Effect of uniaxial stress on ferroelectric behavior of (Bi1/2Na1/2)TiO3-based lead-free piezoelectric ceramics

Electric field–temperature phase diagram of sodium bismuth titanate-based relaxor ferroelectrics

Electric-field-induced antiferroelectric to ferroelectric phase transition in mechanically confined Pb 0.99 Nb 0.02 [ ( Zr 0.57 Sn 0.43 ) 0.94 Ti 0.06 ] 0.98 O 3

Electric-field-induced phase transformation at a lead-free morphotropic phase boundary: Case study in a 93%(Bi0.5Na0.5)TiO3–7% BaTiO3 piezoelectric ceramic

Electric-field-induced phase-change behavior in (Bi0.5Na0.5)TiO3–BaTiO3–(K0.5Na0.5)NbO3: A combinatorial investigation

Electric-field-induced polarization and strain in 0.94(Bi1/2Na1/2)TiO3–0.06BaTiO3 under uniaxial stress

Electric-field-induced strain mechanisms in lead-free 94%(Bi1/2Na1/2)TiO3–6%BaTiO3

Electric-field-induced volume change and room temperature phase stability of (Bi 1/2 Na 1/2 )TiO 3 - x mol. % BaTiO 3 piezoceramics

Electric-field–temperature phase diagram of the ferroelectric relaxor system (1 −  x )Bi 1/2 Na 1/2 TiO 3  − xBaTiO 3 doped with manganese

Electromechanical properties of CaZrO 3 modified (K,Na)NbO 3 -based lead-free piezoceramics under uniaxial stress conditions

Enhanced Spontaneous Polarization by V4+ Substitution in a Lead-Free Perovskite CaMnTi2O6

scientific article published on 06 August 2020

Enhanced bipolar fatigue resistance in CaZrO 3 -modified (K,Na)NbO 3 lead-free piezoceramics

Ergodicity reflected in macroscopic and microscopic field-dependent behavior of BNT-based relaxors

article

Evaluation of crack-tip stress fields on microstructural-scale fracture in Al–Al2O3 interpenetrating network composites

Evaluation of domain wall motion in bipolar fatigued lead-zirconate-titanate: A study on reversible and irreversible contributions

Evolving morphotropic phase boundary in lead-free (Bi1/2Na1/2)TiO3–BaTiO3 piezoceramics

Fatigue of lead zirconate titanate ceramics I: unipolar and DC loading

scholarly article

Fatigue of lead zirconate titanate ceramics II: sesquipolar loading

scholarly article

Fatigue-free unipolar strain behavior in CaZrO 3 and MnO 2 co-modified (K,Na)NbO 3 -based lead-free piezoceramics

Ferroelasticity and R-Curve Behavior in BiFeO3-PbTiO3

article by A. B. Kounga Njiwa et al published May 2006 in Journal of the American Ceramic Society

Frequency and temperature dependence of actuating performance of Bi 1/2 Na 1/2 TiO 3 -BaTiO 3 based relaxor/ferroelectric composites

Frequency-dependence of large-signal properties in lead-free piezoceramics

Gauge factors for piezotronic stress sensor in polycrystalline ZnO

Giant electric-field-induced strains in lead-free ceramics for actuator applications – status and perspective

Giant strain and compling effects of relaxor/ferroelectric lead-free composite piezoceramics

Hardening behavior and highly enhanced mechanical quality factor in (K 0.5 Na 0.5 )NbO 3 –based ceramics

High temperature blocking force measurements of soft lead zirconate titanate

High temperature stress-induced “double loop-like” phase transitions in Bi-based perovskites

High-Strain Lead-free Antiferroelectric Electrostrictors

High-Temperature Multilayer Ceramic Capacitors Based on 100− x (94Bi 1/2 Na 1/2 TiO 3 -6BaTiO 3 )- x K 0.5 Na 0.5 NbO 3

High-performance piezoelectric (K,Na,Li)(Nb,Ta,Sb)O3 single crystals by oxygen annealing

High-temperature dielectrics in CaZrO3-modified Bi1/2Na1/2TiO3-based lead-free ceramics

Impedance Spectroscopy of (Bi1/2Na1/2)TiO3-BaTiO3Based High-Temperature Dielectrics

Impedance Spectroscopy of (Bi1/2Na1/2)TiO3-BaTiO3Ceramics Modified with (K0.5Na0.5)NbO3

Impedance Spectroscopy of Mn-Doped BiFeO<inf>3</inf>-PbTiO<inf>3</inf> Ceramics

In Situ Transmission Electron Microscopy of Electric Field-Triggered Reversible Domain Formation in Bi-Based Lead-Free Piezoceramics

Infiltration of silver into porous SnO2−x : influence of atmosphere, interfacial reactions, and surface properties

Influence of Ta 5+ content on the crystallographic structure and electrical properties of [001] PC -oriented (Li,Na,K)(Nb,Ta)O 3 single crystals

Influence of crystal structure on crack propagation under cyclic electric loading in lead–zirconate–titanate

scientific article

Influence of dislocations on thermal conductivity of strontium titanate

Influence of electric fields on the depolarization temperature of Mn-doped (1-x)Bi 1/2 Na 1/2 TiO 3 -xBaTiO 3

Influence of metal/semiconductor interface on attainable piezoelectric and energy harvesting properties of ZnO

Interplay of conventional with inverse electrocaloric response in ( Pb , Nb ) ( Zr , Sn , Ti ) O 3 antiferroelectric materials

Investigation of the depolarisation transition in Bi-based relaxor ferroelectrics

Large Strain in Relaxor/Ferroelectric Composite Lead-Free Piezoceramics

Large blocking force in Bi1/2Na1/2TiO3-based lead-free piezoceramics

Large electromechanical strain and unconventional domain switching near phase convergence in a Pb-free ferroelectric

Lead-free electrostrictive bismuth perovskite ceramics with thermally stable field-induced strains

Lead-free high-temperature dielectrics with wide operational range

Lead-free piezoceramics: Status and perspectives

Liquid-crystal display of stress fields in ferroelectrics

Local structure change evidenced by temperature-dependent elastic measurements: Case study on Bi 1/2 Na 1/2 TiO 3 -based lead-free relaxor piezoceramics

Local structure of the B-site in BNT-xBT investigated by 47,49 Ti NMR: Effect of barium content

Local structure, pseudosymmetry, and phase transitions in Na 1 / 2 Bi 1 / 2 TiO 3 –K 1 / 2 Bi 1 / 2 TiO 3 ceramics

Macroscopic and Nanoscopic Polarization Relaxation Kinetics in Lead-Free Relaxors Bi 1/2 Na 1/2 TiO 3 -Bi 1/2 K 1/2 TiO 3 -BiZn 1/2 Ti 1/2 O 3

Mechanical properties of cBN–Al composite materials

Mechanically tuned conductivity at individual grain boundaries in polycrystalline ZnO varistor ceramics

Mechanisms of electromechanical response in (1 − x)Ba(Zr 0.2 Ti 0.8 )O 3 -x(Ba 0.7 Ca 0.3 )TiO 3 ceramics

Microstructure and Electrical Properties of (1− x )Bi(Li 1/3 Zr 2/3 )O 3 - x PbTiO 3 Piezoelectric Ceramics

Na 1/2 Bi 1/2 VO 3 and K 1/2 Bi 1/2 VO 3 : New Lead-Free Tetragonal Perovskites with Moderate c / a Ratios

Nanofragmentation of Ferroelectric Domains During Polarization Fatigue

Nanoscale Insight Into Lead-Free BNT-BT- x KNN

Nanoscale mapping of heterogeneity of the polarization reversal in lead-free relaxor-ferroelectric ceramic composites

scientific article published on 01 January 2016

Nanoscale phase quantification in lead-free ( Bi 1 / 2 Na 1 / 2 ) TiO 3 − BaTiO 3 relaxor ferroelectrics by means of Na 23 NMR

On the phase identity and its thermal evolution of lead free (Bi1/2Na1/2)TiO3-6 mol% BaTiO3

scholarly article by Wook Jo et al published October 2011 in Journal of Applied Physics

Optimal working regime of lead–zirconate–titanate for actuation applications

Orientation-Dependence of Thermal Depolarization and Phase Development in Bi 1/2 Na 1/2 TiO 3 -BaTiO 3 Single Crystals

Orientation-dependent electromechanical properties of Mn-doped (Li,Na,K)(Nb,Ta)O 3 single crystals

Origin of the large piezoelectric activity in ( 1 − x ) Ba ( Z r 0.2 T i 0.8 ) O 3 − x ( B a 0.7 C a 0.3 ) Ti O 3 ceramics

Origin of the large strain response in (K0.5Na0.5)NbO3-modified (Bi0.5Na0.5)TiO3–BaTiO3 lead-free piezoceramics

Peculiar Bi-ion dynamics in Na1/2Bi1/2TiO3from terahertz and microwave dielectric spectroscopy

article

Perspective on the Development of Lead-free Piezoceramics

Phase field simulation and experimental investigation of the electro-mechanical behavior of ferroelectrics

Piezoelectric activity of (1-x)[0.35Bi(Mg1/2Ti1/2)O3-0.3BiFeO3-0.35BiScO3] - xPbTiO3 ceramics as a function of temperature

Piezoelectricity and rotostriction through polar and non-polar coupled instabilities in bismuth-based piezoceramics.

scientific article published on July 2016

Piezotronic Tuning of Potential Barriers in ZnO Bicrystals.

scientific article

Piezotronic effect at Schottky barrier of a metal-ZnO single crystal interface

Polarization dynamics across the morphotropic phase boundary in Ba(Zr 0.2 Ti 0.8 )O 3 -x(Ba 0.7 Ca 0.3 )TiO 3 ferroelectrics

Polarization- and Strain-Mediated Control of Negative Thermal Expansion and Ferroelasticity in BiInO<sub>3</sub>–BiZn<sub>1/2</sub>Ti<sub>1/2</sub>O<sub>3</sub>

scientific article published in 2021

Preparation and enhanced electrical properties of grain-oriented (Bi1/2Na1/2)TiO3-based lead-free incipient piezoceramics

Propensity for spontaneous relaxor-ferroelectric transition in quenched (Na 1/2 Bi 1/2 )TiO 3 -BaTiO 3 compositions

Quenching-induced circumvention of integrated aging effect of relaxor lead lanthanum zirconate titanate and (Bi 1/2 Na 1/2 )TiO 3 -BaTiO 3

R-Curve Behavior of Pb(Mg1/3Nb2/3)O3-29 mol% PbTiO3 Single Crystals: The Effect of Crystallographic Orientation and Grain Structure

R-curves in transformation toughened lead zirconate titanate

R-curves of lead zirconate titanate (PZT)

Reconciling Local Structure Disorder and the Relaxor State in (Bi1/2Na1/2)TiO3-BaTiO3.

scientific article published on 22 August 2016

Relationship between electromechanical properties and phase diagram in the Ba(Zr0.2Ti0.8)O3–x(Ba0.7Ca0.3)TiO3 lead-free piezoceramic

Relaxor Characteristics of Morphotropic Phase Boundary (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 Modified with Bi(Zn1/2Ti1/2)O3

Relaxor/Ferroelectric Composites: A Solution in the Quest for Practically Viable Lead-Free Incipient Piezoceramics

Requirements for the transfer of lead-free piezoceramics into application

Role of (Bi 1/2 K 1/2 )TiO 3 in the dielectric relaxations of BiFeO 3 -(Bi 1/2 K 1/2 )TiO 3 ceramics

Role of thermal gradients on the depolarization and conductivity in quenched Na 1/2 Bi 1/2 TiO 3 -BaTiO 3

Semiconductor/relaxor 0-3 type composites without thermal depolarization in Bi₀.₅Na₀.₅TiO₃-based lead-free piezoceramics

scientific article published on 19 March 2015

Shift in Morphotropic Phase Boundary in La-Doped BiFeO3–PbTiO3Piezoceramics

article

Simultaneous Enhancement of Fracture Toughness and Unipolar Strain in Pb(Zr,Ti)O 3 -ZrO 2 Composites Through Composition Adjustment

Sintering of hierarchically structured ZnO

Spontaneous ferroelectric order in lead-free relaxor N a 1 / 2 B i 1 / 2 Ti O 3 -based composites

Stabilization of the Fatigue-Resistant Phase by CuO Addition in (Bi1/2Na1/2)TiO3-BaTiO3

Stress, temperature and electric field effects in the lead-free (Ba,Ca)(Ti,Zr)O 3 piezoelectric system

Stress-dependent electromechanical properties of doped (Ba1−xCax)(ZryTi1−y)O3

Stress-induced structural changes in La-doped BiFeO3–PbTiO3 high-temperature piezoceramics

Structural origins of relaxor behavior in a 0.96(Bi1/2Na1/2)TiO3–0.04BaTiO3 single crystal under electric field

Structure and mechanical properties of silica doped zirconia thin films

Structure and temperature-dependent phase transitions of lead-free Bi 1/2 Na 1/2 TiO 3 –Bi 1/2 K 1/2 TiO 3 –K 0.5 Na 0.5 NbO 3 piezoceramics

Structure and the Electrical Properties of Pb(Zr,Ti)O3 - Zirconia Composites

Tailoring Strain Properties of (0.94− x )Bi 1/2 Na 1/2 TiO 3 -0.06BaTiO 3 - x K 0.5 Na 0.5 NbO 3 Ferroelectric/Relaxor Composites

Temperature Dependence of the Piezoelectric Coefficient in BiMeO3-PbTiO3 (Me = Fe, Sc, (Mg1/2Ti1/2)) Ceramics

Temperature Dependent Fracture Toughness of KNN-Based Lead-Free Piezoelectric Ceramics

Temperature Stability of Lead-Free Niobate Piezoceramics with Engineered Morphotropic Phase Boundary

Temperature and driving field dependence of fatigue processes in PZT bulk ceramics

Temperature dependence of piezoelectric properties of high-TC Bi(Mg1/2Ti1/2)O3–PbTiO3

Temperature dependence of the local piezoresponse in (K,Na)NbO 3 -based ceramics with large electromechanical strain

Temperature dependent fracture toughness of KNN-based lead-free piezoelectric ceramics

Temperature- and Frequency-Dependent Properties of the 0.75Bi 1/2 Na 1/2 TiO 3 -0.25SrTiO 3 Lead-Free Incipient Piezoceramic

Temperature-Dependent Deformation and Dislocation Density in SrTiO 3 (001) Single Crystals

Temperature-Dependent Properties of (Bi 1/2 Na 1/2 )TiO 3 -(Bi 1/2 K 1/2 )TiO 3 -SrTiO 3 Lead-Free Piezoceramics

Temperature-Insensitive (K,Na)NbO 3 -Based Lead-Free Piezoactuator Ceramics

Temperature-Insensitive Large Strain of (Bi 1/2 Na 1/2 )TiO 3 -(Bi 1/2 K 1/2 )TiO 3 -(K 0.5 Na 0.5 )NbO 3 Lead-Free Piezoceramics

Temperature-dependent R-curve behavior of Pb(Zr1−xTix)O3

Temperature-dependent ferroelastic switching of soft lead zirconate titanate

Temperature-dependent volume fraction of polar nanoregions in lead-free ( 1 − x ) ( B i 0.5 N a 0.5 ) Ti O 3 − x BaTi O 3 ceramics

Temperature‐induced changes of the electrical and mechanical properties of aerosol‐deposited BaTiO 3 thick films for energy storage applications

Thermal Depolarization in the High-Temperature Ternary Piezoelectric System x PbTiO 3 - y BiScO 3 - z Bi(Ni 1/2 Ti 1/2 )O 3

Thermomechanical Energy Conversion Potential of Lead-Free 0.50Ba(Zr 0.2 Ti 0.8 )O 3 -0.50(Ba 0.7 Ca 0.3 )TiO 3 Bulk Ceramics

Transferring lead-free piezoelectric ceramics into application

Two-stage processes of electrically induced-ferroelectric to relaxor transition in 0.94(Bi 1/2 Na 1/2 )TiO 3 -0.06BaTiO 3

Varistor piezotronics: Mechanically tuned conductivity in varistors

Wear behaviour of interpenetrating alumina–copper composites