Roland Würschum

Univ.-Prof. Dipl.-Phys. Dr.rer.nat.

20002021
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Research Output 2000 2019

2019

Disordered and Frustrated Magnetization in Coated MnFe2O4 Nanoparticles Prepared by Microwave Plasma Synthesis

Nadeem, K., Kamran, M., Krenn, H., Szabo, D. V., Brossmann, U. & Würschum, R., 2019, In : Solid state phenomena. 289, p. 127-133

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Kinetics
Chemical analysis
Reaction rates
Precipitates
Heat treatment

Magneto-Ionic Switching of Superparamagnetism

Gößler, M., Albu, M., Klinser, G., Steyskal, E-M., Krenn, H. & Würschum, R., 1 Oct 2019, In : Small. 8 p., 1904523 .

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Superparamagnetism
Magnetism
Sorption
Hydrogen
Magnetoelectronics

Monitoring of the Transition Metal Oxidation State in Battery Cathodes during Charging and Discharging by Magnetometry

Klinser, G., Zettl, R., Hanzu, I., Kren, H., Koller, S., Krenn, H. & Würschum, R., 17 Jun 2019.

Research output: Contribution to conferenceAbstractResearch

ON- and OFF-Switching of Ferromagnetism in Nanoporous Pd(Co)

Gößler, M., Albu, M., Krenn, H. & Würschum, R., 24 Feb 2019.

Research output: Contribution to conferenceAbstractResearch

Ferromagnetism
Palladium
Cobalt
Metals
Ligaments

Operando monitoring of charging-induced defect formation in battery electrodes by positrons

Klinser, G., Krenn, H., Koller, S. & Würschum, R., 2019, In : Applied Physics Letters. 114, 1, p. 013905 013905.

Research output: Contribution to journalArticleResearchpeer-review

charging
electric batteries
positrons
electrodes
defects

Operando Monitoring of Charging-induced Defect Formation in the Battery Cathode LixNi1/3Co1/3Mn1/3O2 by Positron Annihilation

Klinser, G. & Würschum, R., 17 Jun 2019.

Research output: Contribution to conferenceAbstractResearch

Redox processes in sodium vanadium phosphate cathodes – insights from operando magnetometry

Klinser, G., Zettl, R., Wilkening, H. M. R., Krenn, H., Hanzu, I. & Würschum, R., 2019, In : Physical Chemistry Chemical Physics.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
2018

Charging processes in the cathode LiNi0.6Mn0.2Co0.2O2 as revealed by operando magnetometry

Klinser, G., Stückler, M., Krenn, H., Koller, S., Goessler, W., Krenn, H. & Würschum, R., 2018, In : Journal of power sources. 396, p. 791-795 5 p.

Research output: Contribution to journalArticleResearchpeer-review

Continuous monitoring of charging and discharging the battery cathode LixNi1/3Co1/3Mn1/3O2 by positron annihilation

Klinser, G. & Würschum, R., 21 Aug 2018.

Research output: Contribution to conferenceAbstractResearch

Diffusion-reaction model for positron trapping and annihilation at spherical extended defects and in precipitate-matrix composites

Würschum, R., Resch, L. & Klinser, G., 2018, In : Physical Review / B. 97, p. 224108-1 - 11 11 p., 224108.

Research output: Contribution to journalArticleResearchpeer-review

Electrochemical Tuning of Magnetism in Nanoporous Systems - Oxidation, Hydrogenation and Surface Charging

Gößler, M., Steyskal, E-M., Krenn, H., Weißmüller, J., Lührs, L. & Würschum, R., 2018.

Research output: Contribution to conferenceAbstractResearch

Magnetism
Hydrogenation
Tuning
Oxidation
Palladium

Enhanced Charging-Induced Resistance Variations of Nanoporous Gold by Dealloying in Neutral Silver Nitrate Solution

Steyskal, E-M., Seidl, M., Simic, S. & Würschum, R., 2 Oct 2018, In : Langmuir. 34, p. 13110-13115

Research output: Contribution to journalArticleResearchpeer-review

Formation of nanoporous metals by electrochemical dealloying analyzed by in-situ resistometry

Steyskal, E-M., Seidl, M. & Würschum, R., 2018.

Research output: Contribution to conferenceAbstractResearch

Hydrogen-induced plasticity in nanoporous palladium

Gößler, M., Steyskal, E-M., Stütz, M., Enzinger, N. & Würschum, R., 2018, In : Beilstein Journal of Nanotechnology . 9, p. 3013 3024 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

In-situ and operando SQUID magnetometry under electrochemical control

Würschum, R., Gößler, M., Klinser, G., Steyskal, E-M. & Krenn, H., 2018.

Research output: Contribution to conferenceAbstractResearch

In-Situ Resistometry Studies of Nanoporous Metal Formation by Electrochemical Dealloying

Steyskal, E-M., Seidl, M. & Würschum, R., 2018.

Research output: Contribution to conferenceAbstractResearch

Kinetics of vacancy annealing upon time-linear heating applied to dilatometry

Enzinger, R., Neubauer, C., Kotzurek, J., Sprengel, W. & Würschum, R., 2018, In : Journal of Materials Science. 53, p. 2758-2765

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Vacancies
Annealing
Heating
Kinetics
Grain boundaries

Monitoring of the transition metal oxidation state in Li-ion battery cathodes during charging and discharging by SQUID magnetometry

Klinser, G., Krenn, H., Koller, S., Krenn, H. & Würschum, R., 16 May 2018.

Research output: Contribution to conferenceAbstractResearch

Nanoporous metals prepared by alloy corrosion – Tuning of electrical, mechanical and magnetic properties

Gößler, M., Steyskal, E-M., Krenn, H., Lührs, L., Weissmüller, J. & Würschum, R., 2018.

Research output: Contribution to conferenceAbstractResearch

Magnetic properties
Electric properties
Tuning
Metals
Corrosion

Precipitation Processes Including Initial Clustering during Artificial Aging in a Commercial Al-Mg-Si Alloy

Resch, L., Klinser, G., Hengge, E., Enzinger, R. J., Luckabauer, M., Sprengel, W. & Würschum, R., 20 Aug 2018.

Research output: Contribution to conferenceAbstractResearch

Process Monitoring of Charging/Discharging of Lithium Ion Battery Cathodes by Operando SQUID Magnetometry

Klinser, G., Topolovec, S., Krenn, H. & Würschum, R., 2018, Encyclopedia of Interfacial Chemistry: Surface Science and Electrochemistry: Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier Inc., p. 849-855

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

quantitative analysis
kinetics
volume change
annealing
solute
hydrogenation
strain rate
hydrides
palladium
hydrogen

Studying charging and discharging processes in lithium and post lithium ion batteries by operando SQUID magnetometry

Klinser, G., Krenn, H., Koller, S., Hanzu, I., Zettl, R., Krenn, H. & Würschum, R., 25 Sep 2018.

Research output: Contribution to conferenceAbstractResearch

The potentials of operando SQUID magnetometry for studying charging and discharging processes in Lithium and Sodium ion battery cathodes

Würschum, R., Klinser, G., Koller, S., Hanzu, I., Zettl, R. & Krenn, H., 2018.

Research output: Contribution to conferenceAbstractResearch

Tuneable magnetic properties of nanoporous metal electrodes via electrochemical reactions

Gößler, M., Steyskal, E-M., Krenn, H., Lührs, L., Weißmüller, J. & Würschum, R., 2018.

Research output: Contribution to conferenceAbstractResearch

magnetic properties
electrodes
metals
magnetic moments
magnetic permeability
2017

Dealloying progress during nanoporous structure evolution analyzed by in situ resistometry

Steyskal, E-M., Seidl, M., Graf, M. & Würschum, R., 2017, In : Physical chemistry, chemical physics. 19, p. 29880-29885

Research output: Contribution to journalArticleResearchpeer-review

Defects and Charging Processes in Li-Ion Battery Cathodes Studied by Operando Magnetometry and Positron Anihilation

Würschum, R., Topolovec, S., Klinser, G., Sprengel, W., Kren, H., Koller, S., Krenn, H., Hugenschmidt, C., Reiner, M., Gigl, T., Berkermeier, F. & Fiedler, M., 2017, In : Materials Science Forum. 879, p. 2125-2130

Research output: Contribution to journalArticleResearchpeer-review

In Situ Real-Time Monitoring of Aging Processes in an Aluminum Alloy by High-Precision Dilatometry

Luckabauer, M., Hengge, E., Klinser, G., Sprengel, W., Würschum, R. & Solanki, K. N. (ed.), 2017, Magnesium Technology 2017: The Minerals, Metals & Materials Series (2017). p. 669-674 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Internal stress and defect-related free volume in submicrocrystalline Ni studied by neutron diffraction and difference dilatometry

Kotzurek, J., Hofmann, M., Simic, S., Pölt, P., Hohenwarter, A., Pippan, R., Sprengel, W. & Würschum, R., 2017, In : Philosophical magazine (London) / Letters. 97, 11, p. 450-458

Research output: Contribution to journalArticleResearchpeer-review

Open Access
dilatometry
residual stress
neutron diffraction
extensometers
cold rolling

Structural anisotropy in equal-channel angular extruded nickel revealed by dilatometric study of excess volume

Kotzurek, J., Sprengel, W., Krystian, M., Simic, S., Pölt, P., Hohenwarter, A., Pippan, R. & Würschum, R., 2017, In : International journal of materials research = Zeitschrift für Metallkunde. 108, p. 81-88

Research output: Contribution to journalArticleResearchpeer-review

2016

A high-stability non-contact dilatometer for low-amplitude temperature-modulated measurements

Luckabauer, M., Sprengel, W. & Würschum, R., 2016, In : Review of scientific instruments. 87, p. 075116

Research output: Contribution to journalArticleResearchpeer-review

Anisotropic defect recovery in HPT- and ECAP- processed ultrafine-grained Ni studied by difference dilatometry

Kotzurek, J., Hohenwarter, A., Krystian, M., Sprengel, W., Pippan, R. & Würschum, R., 2016, p. 312-313.

Research output: Contribution to conferencePosterResearch

Charging of lithium cobalt oxide battery cathodes studied by means of magnetometry

Klinser, G., Topolovec, S., Kren, H., Koller, S., Krenn, H. & Würschum, R., 2016, In : Solid State Ionics. 293, p. 64-71 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Combined volumetric energetic and microstructural defect analysis of ECAP-processed nickel

Reglitz, G., Oberdorfer, B., Fleischmann, N., Kotzurek, J., Divinski, S., Sprengel, W., Wilde, G. & Würschum, R., 2016, In : Acta materialia. 103, p. 396-406

Research output: Contribution to journalArticleResearchpeer-review

Continuous monitoring of the bulk oxidation states in LixNi1/3Mn1/3Co1/3O2 during charging and discharging

Klinser, G., Topolovec, S., Kren, H., Koller, S., Gössler, W., Würschum, R. & Krenn, H., 2016, In : Applied Physics Letters. 109, p. 213901

Research output: Contribution to journalArticleResearchpeer-review

Direct measurement of vacancy relaxation by dilatometry

Kotzurek, J., Steyskal, E-M., Oberdorfer, B., Hohenwarter, A., Pippan, R., Sprengel, W. & Würschum, R., 2016, In : Applied Physics Letters. 109, p. 021906 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Electrochemically Induced Resistance Variations of Nanoporous Metals

Steyskal, E-M., Seidl, M., Pölt, P., Albu, M. & Würschum, R., 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Electrochemically Tunable Resistance of Nanoporous Metals Produced by Dealloying

Steyskal, E-M., Seidl, M. & Würschum, R., 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Electrochemically Tunable Resistance of Nanoporous Platinum Produced by Dealloying

Steyskal, E-M., Qi, Z., Pölt, P., Albu, M., Weissmüller, J. & Würschum, R., 2016, In : Langmuir. 32, p. 7757−7764

Research output: Contribution to journalArticleResearchpeer-review

Enhanced magnetic moment of ultrathin Co films measured by in situ electrodeposition in a SQUID

Topolovec, S., Krenn, H. & Würschum, R., 2016, In : Journal of magnetism and magnetic materials. 397, p. 96-100

Research output: Contribution to journalArticleResearchpeer-review

Excess volume and defect annealing in HPT- and ECAP-processed ultrafine-grained Ni studied by difference dilatometry

Würschum, R., Kotzurek, J., Hohenwarter, A., Krystian, M., Sprengel, W. & Pippan, R., 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

High precision dilatometry as novel tool for in-situ-real-time monitoring of aging processes in Al alloys

Würschum, R., Luckabauer, M., Hengge, E., Klinser, G. & Sprengel, W., 2016.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

In-situ Characterization of Hydrogen Absorption in Nanoporous Palladium by Dilatometry and Resistometry

Steyskal, E-M., Wiednig, C. A., Enzinger, N. & Würschum, R., 2016.

Research output: Contribution to conferencePosterResearch

In situ characterization of hydrogen absorption in nanoporous palladium produced by dealloying

Steyskal, E-M., Wiednig, C. A., Enzinger, N. & Würschum, R., 2016, In : Beilstein Journal of Nanotechnology . 7, p. 1197-1201

Research output: Contribution to journalArticleResearchpeer-review