W. Speier

Forschungszentrum Jülich — Germany

Materials Science · Physical Sciences

28h-index4.9kcitations64works1.02yr avg
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Research Topics

Electronic and Structural Properties of Oxides(21), Electron and X-Ray Spectroscopy Techniques(15), Semiconductor materials and devices(13), Advanced Memory and Neural Computing(13), X-ray Spectroscopy and Fluorescence Analysis(12)

Publications64 total

Transition to Metallic and Superconducting States Induced by Thermal or Electrical Deoxidation of the Dislocation Network in the Surface Region of SrTiO3
Nanomaterials·2024· 1 citedOpen Access
SIMS Investigations of the Transpor Phenomena in Chromia and Alumina Scales on Ods Alloys
2023· 2 cited
Filamentary superconductivity of resistively-switched strontium titanate
arXiv (Cornell University)·2021· 2 citedOpen Access
Influence of Dislocations in Transition Metal Oxides on Selected Physical and Chemical Properties
Crystals·2018· 78 citedOpen Access
Electrically controlled transformation of memristive titanates into mesoporous titanium oxides via incongruent sublimation
Scientific Reports·2018· 13 citedOpen Access
Local surface conductivity of transition metal oxides mapped with true atomic resolution
Nanoscale·2018· 25 citedOpen Access
Stability and Decomposition of Perovskite-Type Titanates upon High-Temperature Reduction (Phys. Status Solidi RRL 9/2017)
physica status solidi (RRL) - Rapid Research Letters·2017Open Access
Stability and Decomposition of Perovskite-Type Titanates upon High-Temperature Reduction
physica status solidi (RRL) - Rapid Research Letters·2017· 19 citedOpen Access
HR-LC-AFM for detection of current paths on oxides with atomic resolution
2017
Nanofilamentary memristive switches generated at heat-treated TiO2 (110) surfaces
2017
Detection of confined current paths on oxide surfaces by local-conductivity atomic force microscopy with atomic resolution
arXiv (Cornell University)·2016· 2 citedOpen Access
Resistive Switching of a Quasi‐Homogeneous Distribution of Filaments Generated at Heat‐Treated TiO<sub>2</sub> (110)‐Surfaces
Advanced Functional Materials·2015· 26 cited
Nature of the Resistive Switching Phenomena in TiO2 and SrTiO3
Solid state physics·2014· 73 cited
Cluster-like resistive switching of SrTiO<sub>3</sub>:Nb surface layers
New Journal of Physics·2013· 48 citedOpen Access
Inhomogeneity of donor doping in SrTiO3 substrates studied by fluorescence-lifetime imaging microscopy
Applied Physics Letters·2013· 19 citedOpen Access
ChemInform Abstract: TiO<sub>2</sub> — A Prototypical Memristive Material
ChemInform·2012
TiO<sub>2</sub>—a prototypical memristive material
Nanotechnology·2011· 292 cited
TiO 2 -プロトタイプのメモリスタ素材
Nanotechnology·2011· 43 cited
Nanoscale resistive switching in SrTiO<sub>3</sub> thin films
physica status solidi (RRL) - Rapid Research Letters·2007· 158 cited
Switching the electrical resistance of individual dislocations in single-crystalline SrTiO3
Nature Materials·2006· 1.6k cited
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Frequent Co-authors

K. Szot(24), J. C. Fuggle(16), Rainer Waser(9), R. Zeller(9), D. D. Sarma(9), U. Breuer(8), Gustav Bihlmayer(7), Christian Rodenbücher(7), W. J. Quadakkers(6), Lalit Kumar(4), J. F. van Acker(4), Maciej Rogala(3), Z. Klusek(3), F. U. Hillebrecht(3), H. Nickel(3), E van Leuken(3), K.H.J. Buschow(3), P. J. W. Weijs(3), M. T. Czyżyk(3), H. Holzbrecher(3)