Ramadan, Amr Hazem Helmy; Allan, Neil L.; De Souza, Roger
Simulation Studies of the Phase Stability of the Srn+1TinO3n+1 Ruddlesden-Popper Phases
Journal of the American Ceramic Society, 96, 7, 2316-2321 (2013)
[DOI: 10.1111/jace.12300]

Hinterberg, Judith Maria; Adams, Alina Reghina; Blümich, Bernhard; Heitjans, Paul; Kim, Sangtae; Munir, Zuhair A.; Martin, Manfred
1 H-NMR measurements of proton mobility in nano-crystalline YSZ
Physical chemistry, chemical physics : PCCP, 15, 45, 19825-19830 (2013)
[DOI: 10.1039/c3cp53039f]

Grieshammer, Steffen Paul; Zacherle, Tobias; Martin, Manfred
Entropies of defect formation in ceria from first principles
Physical chemistry, chemical physics : PCCP, 15, 38, 15935-15942 (2013)
[DOI: 10.1039/c3cp51913a]

Stopic, Srecko; Friedrich, Bernd; Schroeder, Michael; Weirich, Thomas E.
Synthesis of TiO2 core/RuO2 shell particles using multistep ultrasonic spray pyrolysis
Materials research bulletin, 48, 9, 3633-3635 (2013)
[DOI: 10.1016/j.materresbull.2013.05.050]

Liu, Milias; Leichtweiß, Thomas; Janek, Jürgen; Martin, Manfred
In-situ structural investigation of non-stoichiometric HfO2-x films using quick-scanning extended X-ray absorption fine structure
Thin solid films, 539, 60-64 (2013)
[DOI: 10.1016/j.tsf.2013.04.149]

Zacherle, T.; Schmidt, P. C.; Martin, Manfred
Ab initio calculations on the defect structure of β-Ga2O3
Physical review / B, 87, 23, 235206 (2013)
[DOI: 10.1103/PhysRevB.87.235206]

Yi, Jianxin; Weirich, Thomas E.; Schroeder, Michael
CO2 corrosion and recovery of perovskite-type BaCo1−x−yFexNbyO3−δ membranes
Journal of membrane science, 437, 49-56 (2013)
[DOI: 10.1016/j.memsci.2013.02.049]

Hinterberg, Judith Maria; Zacherle, T.; De Souza, Roger
Activation Volume Tensor for Oxygen-Vacancy Migration in Strained CeO2 Electrolytes
Physical review letters : PRL, 110, 20, 205901 (2013)
[DOI: 10.1103/PhysRevLett.110.205901]

Kikm, Euising; Yeon, Jung In; Martin, Manfred; Yoo, Han-Ill
Experimental Demonstration of the path- and time-dependence of open-circuit voltage of galvanic cells involving a multinary compound under multiple chemical potential gradients
Solid state ionics, 235, March, 22-31 (2013)
[DOI: 10.1016/j.ssi.2013.01.006]

Zacherle, Tobias; Schriever, Annalena; De Souza, Roger; Martin, Manfred
Ab initio analysis of defect structure of ceria
Physical review / B, 87, 13, 134104 (2013)
[DOI: 10.1103/PhysRevB.87.134104]

De Souza, Roger; Ramadan, Amr Hazem Helmy
Ionic conduction in the SrTiO3 YSZ SrTiO3 heterostructure
Physical chemistry, chemical physics : PCCP, 15, 13, 4505-4509 (2013)
[DOI: 10.1039/c3cp44399j]

Lakshmi, N.; Yoo, H.-I.; Martin, Manfred
Oxidation Kinetics of Zirconium Examined by In Situ X-ray Diffraction
Journal of the Electrochemical Society : JES, 160, 3, C136-C141 (2013)
[DOI: 10.1149/2.006304jes]

Yi, Jianxin; Schroeder, Michael; Martin, Manfred
CO2-Tolerant and Cobalt-Free SrFe0.8Nb0.2O3−δ Perovskite Membrane for Oxygen Separation
Chemistry of materials, 25, 6, 815-817 (2013)
[DOI: 10.1021/cm303666v]

Hinterberg, Judith Maria
Verbesserung der Eigenschaften von oxidischen Elektrolytmaterialien
(2012)

Zacherle, Tobias
Ab initio Rechnungen zu Defekten in Galliumoxid
(2012)

Pietrowski, Martha Joanna
Transporteigenschaften von Wasser und Sauerstoff in Yttrium-stabilisiertem Zirkoniumdioxid
(2012)

Grope, Benjamin O. H.; Zacherle, Tobias; Nakayama, M.; Martin, Manfred
Oxygen ion conductivity of doped ceria: A Kinetic Monte Carlo study
Solid state ionics, 225 Special, SI, 476-483 (2012)
[DOI: 10.1016/j.ssi.2012.01.028]

Pietrowski, Martha Joanna; De Souza, Roger; Kim, Sangtae; Munir, Zuhair A.; Martin, Manfred
Dehydration kinetics of nano-YSZ ceramics monitored by in-situ infrared spectroscopy
Solid state ionics, 225 Special, 4, 241-244 (2012)
[DOI: 10.1016/j.ssi.2012.02.033]

Schie, Marcel; Marchewka, Astrid; De Souza, Roger; Waser, Rainer
Atomistic Simulation Study on Oxygen Deficient Strontium Titanate
Frontiers in electronic materials : a collection of extended abstracts of the Nature Conference Frontiers in Electronic Materials, June 17th to 20th, Aachen, Germany ; [correlation effects, spintronics, and memristive phenomena - fundamentals and applications] / ed. by Joerg Heber ..., 286-286 (2012)

Schie, Marcel; Marchewka, Astrid; Müller, Thomas; De Souza, Roger; Waser, Rainer
Molecular Dynamics Simulations of Oxygen Vacancy Diffusion in SrTiO 3
Journal of physics / Condensed matter, 24, 48, 485002-485008 (2012)
[DOI: 10.1088/0953-8984/24/48/485002]

Gauquelin, Nicolas
Impact of the structural anisotropy of La 2 NiO 4+delta on high temperature surface modifications and diffusion of oxygen
(2012)

De Souza, Roger; Metlenko, Veronika; Park, Daesung; Weirich, Thomas E.
Behavior of oxygen vacancies in single-crystal SrTiO3 : equilibrium distribution and diffusion kinetics
Physical review / B, 85, 17, 174109 (2012)
[DOI: 10.1103/PhysRevB.85.174109]

Nakayama, Masanobu; Ohshima, Hiromi; Nogami, Masayuki; Martin, Manfred
A concerted migration mechanism of mixed oxide ion and electron conduction in reduced ceria studied by first-principles density functional theory
Physical chemistry, chemical physics : PCCP, 14, 17, 6079-6084 (2012)
[DOI: 10.1039/c2cp00020b]

Yi, Jianxin; Brendt, Jochen; Schroeder, Michael; Martin, Manfred
Oxygen permeation and oxidation states of transition metals in (Fe, Nb)-doped BaCoO3 − δ perovskites
Journal of membrane science, 387, 17-23 (2012)
[DOI: 10.1016/j.memsci.2011.08.053]

De Souza, Roger; Ramadan, Amr Hazem Helmy; Hoerner, Stefanie
Modifying the barriers for oxygen-vacancy migration in fluorite-structured CeO2 electrolytes through strain: a computer simulation study
Energy & environmental science, 5, 1, 5445-5453 (2012)
[DOI: 10.1039/c2ee02508f]

Hirsemann, Dunja; Shylesh, Sankaranarayanapillai; De Souza, Roger; Diar-Bakerly, Bashar; Biersack, Bernhard; Müller, David Nikolaus; Martin, Manfred; Schobert, Rainer; Breu, Josef
Large-Scale, Low-Cost Fabrication of Janus-Type Emulsifiers by Selective Decoration of Natural Kaolinite Platelets
Angewandte Chemie / International edition, 51, 6, 1348-1352 (2012)
[DOI: 10.1002/anie.201106710]

Pin, Sonia; Newton, Mark A.; D'Acapito, Francesco; Zema, Michele; Tarantino, Serena C.; Spinolo, Giorgio; De Souza, Roger; Martin, Manfred; Ghigna, Paolo
Mechanisms of Reactions in the Solid State: (110) Al2O3 + (001) ZnO Interfacial Reaction
The journal of physical chemistry / C, 116, 1, 980-986 (2012)
[DOI: 10.1021/jp209622u]

Mueller, David N.; De Souza, Roger; Yoo, Han-Ill; Martin, Manfred
Phase Stability and Oxygen Nonstoichiometry of Highly Oxygen-Deficient Perovskite-Type Oxides: A Case Study of (Ba,Sr)(Co,Fe)O3−δ
Chemistry of materials, 24, 2, 269-274 (2012)
[DOI: 10.1021/cm2033004]

Harvey, Steven P.; De Souza, Roger; Martin, Manfred
Diffusion of La and Mn in Ba0.5Sr0.5Co0.8Fe0.2O3−δ polycrystalline ceramics
Energy & environmental science, 5, 2, 5803-5813 (2012)
[DOI: 10.1039/c1ee02740a]

Brendt, Jochen
Variation von Kristallinität und Stöchiometrie in mittels PLD hergestellten Schichten aus Galliumoxid, Galliumnitrid und Bariumzirkonat
(2011)
[DOI: 10.18154/RWTH-CONV-114614]

Belghoul, Badreddine
Mayenit(Ca 12 Al 14 O 33 )-Bildung durch die Festkörperreaktion zwischen CaAl 2 O 4 und Ca 3 Al 2O 6
(2011)

Mazar, Omri; Schroeder, Michael; Tsur, Yoed
Synthesis of inside-out core-shell perovskite-type oxide nanopowder
Chemical engineering journal, 166, 3, 1139-1143 (2011)
[DOI: 10.1016/j.cej.2010.11.084]

Yi, Jianxin; Schroeder, Michael
High temperature degradation of Ba0.5Sr0.5Co0.8Fe0.2O3−δ membranes in atmospheres containing concentrated carbon dioxide
Journal of membrane science, 378, 1/2, 163-170 (2011)
[DOI: 10.1016/j.memsci.2011.04.044]

Mauder, Christof; Reuters, Benjamin; Behmenburg, Hannes; De Souza, Roger; Woitok, Joachim F.; Chou, Mitch M. C.; Heuken, Michael; Kalisch, Holger; Jansen, Rolf H.
Mechanisms of impurity incorporation during MOVPE growth of m-plane GaN layers on LiAlO2
Physica status solidi / C, Current topics in solid state physics, 8, 7/8, 2050-2052 (2011)
[DOI: 10.1002/pssc.201001027]

Quach, Dat V.; Kim, Sangtae; De Souza, Roger; Martin, Manfred; Munir, Zuhair A.
Grain Size Effect in the Electrical Properties of Nanostructured Functional Oxides through Pressure Modification of the Spark Plasma Sintering Method
Key engineering materials, 484, 107-116 (2011)
[DOI: 10.4028/www.scientific.net/KEM.484.107]

Martin, Manfred
Ionic Transport under Chemical Potential Gradients - Kinetic Demixing and Decomposition in Metal Oxides and Scale Growth in High-Temperature Oxidation
Materials science forum, 696, 28-33 (2011)
[DOI: 10.4028/www.scientific.net/MSF.696.28]

De Souza, Roger; Munir, Zuhair A.; Kim, Sangtae; Martin, Manfred
Defect chemistry of grain boundaries in proton-conducting solid oxides
Solid state ionics, 196, 1, 1-8 (2011)
[DOI: 10.1016/j.ssi.2011.07.001]

Valov, Ilia; Luerssen, Bjoern; Mutoro, Eva; Gregoratti, Luca; De Souza, Roger; Bredow, Thomas; Günther, Sebastian; Barinov, Alexei; Dudin, Pavel; Martin, Manfred; Janek, Jürgen
Electrochemical activation of molecular nitrogen at the Ir/ YSZ interface
Physical chemistry, chemical physics : PCCP, 13, 1, 3394-3410 (2011)
[DOI: 10.1039/C0CP01024C]

Röhrens, Daniel
Über den Effekt von Stickstoffsubstitution auf die strukturellen Eigenschaften von polykristallinem Galliumoxid und die elektrische Leitfähigkeit von amorphen Lanthangallat Dünnschichten
(2010)

Müller, David Nikolaus
Strukturelle und elektronische Untersuchungen am hoch sauerstoffdefizitären Mischleiter Ba x Sr 1-x Co 0,8 Fe 0,2 O 3-delta (BSCF)
(2010)

De Souza, Roger; Martin, Manfred
Secondary Ion Mass Spectrometry - SIMS
The encyclopedia of mass spectrometry / edited by Michael L. Gross .... - Vol. 5: Elemental and isotope ratio mass spectrometry / vol. eds. Diane Beauchemin ..., 381-397 (2010)

Quach, Dat V.; Kim, Sangtae; Martin, Manfred; Munir, Zuhair A.
Sintering and properties of nanometric functional oxides
Innovative Processing and manufacturing of advanced ceramics and composites : a collection of papers presented at the 8th Pacific Rim Conference on Ceramic and Glass Technology, May 31 - June 5, 2009, Vancouver, British Columbia / American Ceramic Society. Ed. by: Zuhair A. Munir ... Volume ed.: Mrityunjay Singh, 55-61 (2010)
[DOI: 10.1002/9780470880456.ch5]

Avila-Paredes, Hugo J.; Chen, Chien-Ting; Wang, Shizhong; De Souza, Roger; Martin, Manfred; Munir, Zuhair A.; Kim, Sangtae
Grain boundaries in dense nanocrystalline ceria ceramics : exclusive pathway for proton conduction at room temperature
Journal of materials chemistry, 20, 45, 10110-10112 (2010)
[DOI: 10.1039/C0JM02967J]

Mader, Werner; Prangenberg, Thomas; Eichhorn, Simon; De Souza, Roger; Martin, Manfred
Iron Diffusion and Compound Formation in Zinc Oxide
Diffusion fundamentals, 12, 57, 2 Seiten (2010)

Quach, Dat V.; Avila-Paredes, Hugo J.; Kim, Sangtae; Martin, Manfred; Munir, Zuhair A.
Pressure effects and grain growth kinetics in the consolidation of nanostructured fully stabilized zirconia by pulsed electric current sintering
Acta materialia, 58, 1, 5022-5030 (2010)
[DOI: 10.1016/j.actamat.2010.05.038]

Avila-Paredes, Hugo J.; Barrera-Calva, Enrique; Anderson, Harlan U.; De Souza, Roger; Martin, Manfred; Munir, Zuhair A.; Kim, Sangtae
Room-temperature protonic conduction in nanocrystalline films of yttria-stabilized zirconia
Journal of materials chemistry, 20, 30, 6235-6238 (2010)
[DOI: 10.1039/C0JM00051E]

Mueller, David N.; De Souza, Roger; Weirich, Thomas E.; Röhrens, Daniel; Mayer, Joachim; Mayer, Joachim; Martin, Manfred
A kinetic study of the decomposition of the cubic perovskite-type oxide BaxSr1−xCo0.8Fe0.2O3−δ (BSCF) (x = 0.1 and 0.5)
Physical chemistry, chemical physics : PCCP, 12, 35, 10320-10328 (2010)
[DOI: 10.1039/C0CP00441C]

Kessel, Markus Franz; De Souza, Roger; Yoo, Han-Ill; Martin, Manfred
Strongly enhanced incorporation of oxygen into barium titanate based multilayer ceramic capacitors using water vapor
Applied physics letters, 97, 2, 021910 (2010)
[DOI: 10.1063/1.3460156]

Röhrens, Daniel; Brendt, Jochen; Samuelis, Dominik; Martin, Manfred
On the ammonolysis of Ga2O3: An XRD, neutron diffraction and XAS investigation of the oxygen-rich part of the system Ga2O3-GaN
Journal of solid state chemistry, 183, 3, 532-541 (2010)
[DOI: 10.1016/j.jssc.2009.12.024]

Wang, Shizhong; Chen, Shushu; Navrotsky, Alexandra; Martin, Manfred; Kim, Sangtae; Munir, Zuhair A.
Modified polyol-mediated synthesis and consolidation of Gd-doped ceria nanoparticles
Solid state ionics, 181, 8/10, 372-378 (2010)
[DOI: 10.1016/j.ssi.2010.01.021]