Roland Würschum

2023

Influence of Oxygen on the Kinetics of Omega and Alpha Phase Formation in Beta Ti–V

Enzinger, R. J., Luckabauer, M., Okamato, N. L., Ichitsubo, T., Sprengel, W. & Würschum, R., Feb 2023, In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 54, 2, p. 473-486 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Mean time of diffusion- and reaction-limited loading and unloading

Würschum, R., Jan 2023, In: Applied Physics A: Materials Science and Processing. 129, 1, 53.

Research output: Contribution to journal › Article › peer-review

Open Access

Porosity evolution and oxide formation in bulk nanoporous copper dealloyed from a copper – manganese alloy studied by in situ resistometry

Hengge, E., Ihrenberger, J., Steyskal, E-M., Buzolin, R. H., Luckabauer, M., Sommitsch, C. & Würschum, R., 2023, In: Nanoscale Advances. 5, 2, p. 393-404 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Precipitation processes of Al-1.7 at% Cu and the influence of Au micro-alloying studied by dilatometry

Brumbauer, F., Brossmann, U., Enzinger, R. J., Lie, J., Sprengel, W. & Würschum, R., 2023, In: Journal of Alloys and Compounds. 960, 8 p., 170699.

Research output: Contribution to journal › Article › peer-review

Open Access

2022

In Situ Study of Nanoporosity Evolution during Dealloying AgAu and CoPd by Grazing-Incidence Small-Angle X-ray Scattering

Gößler, M., Hengge, E., Bogar, M., Albu, M., Knez, D., Amenitsch, H. & Würschum, R., 3 Mar 2022, In: The Journal of Physical Chemistry C. 126, 8, p. 4037–4047 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Magnetism of Co-rich clusters embedded in nanoporous Pd prepared by electrochemical dealloying - Influence of thermal annealing

Topolovec, S., Steiner, A., Gößler, M., Krenn, H. & Würschum, R., 1 Dec 2022, In: Journal of Magnetism and Magnetic Materials. 563, 169802.

Research output: Contribution to journal › Article › peer-review

Open Access

Modulated dilatometry as a tool for simultaneous study of vacancy formation and migration

Würschum, R., Weitenhüller, R., Enzinger, R. J. & Sprengel, W., Aug 2022, In: International Journal of Materials Research . 113, 8, p. 683-692 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Positronium chemistry of a Fe^2+/3+ solution under electrochemical control

Brunner, P., Steyskal, E-M., Topolovec, S. & Würschum, R., 21 Dec 2022, In: The Journal of Chemical Physics. 157, 23, 234202.

Research output: Contribution to journal › Article › peer-review

Open Access

Water intake of cellulose materials monitored by positron annihilation lifetime spectroscopy

Resch, L., Karner, A., Sprengel, W., Würschum, R. & Schennach, R., Feb 2022, In: Cellulose. 29, 3, p. 1357–1363 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2021

Electrochemical switching of positronium triplet quenching

Brunner, P. E., Steyskal, E-M. & Würschum, R., 28 Nov 2021, In: Physical Chemistry, Chemical Physics. 23, 44, p. 25278-25283 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Influence of high-pressure torsion deformation on the corrosion behaviour of a bioresorbable Mg-based alloy studied by positron annihilation

Brunner, P. E., Brumbauer, F., Steyskal, E-M., Renk, O., Weinberg, A-M., Schröttner, H. & Würschum, R., 7 Jun 2021, In: Biomaterials Science. 9, 11, p. 4099-4109 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Modelling Dilatometry Data of Isothermal ω-Phase Formation in a Strongly β-Stabilised TiV-Alloy

Enzinger, R. J., Luckabauer, M., Ichitsubo, T. & Würschum, R., Jan 2021, THERMEC 2021 - International Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications. Ionescu, M., Sommitsch, C., Poletti, C., Kozeschnik, E. & Chandra, T. (eds.). p. 1851-1856 6 p. (Materials Science Forum; vol. 1016).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Nanoporous gold electrodes modified with self-assembled monolayers for electrochemical control of the surface charge

Hengge, E., Hirber, M., Brunner, P. E., Steyskal, E-M., Nidetzky, B. & Würschum, R., 14 Jul 2021, In: Physical Chemistry, Chemical Physics. 23, 26, p. 14457-14464 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Nanoporous Pd 1−x Co x for hydrogen-intercalation magneto-ionics

Gößler, M., Topolovec, S., Krenn, H. & Würschum, R., 1 Apr 2021, In: APL Materials . 9, 4, 9 p., 041101 .

Research output: Contribution to journal › Article › peer-review

Open Access

Operando Monitoring of Charging Processes in Battery Cathodes by Magnetometry and Positron Annihilation

Klinser, G., Krenn, H. & Würschum, R., Jan 2021, THERMEC 2021 - International Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications. Ionescu, M., Sommitsch, C., Poletti, C., Kozeschnik, E. & Chandra, T. (eds.). p. 1647-1652 6 p. (Materials Science Forum; vol. 1016).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

2020

Diffusion-drift-reaction model for positron trapping and annihilation at interfaces with space charge in bulk materials

Würschum, R. & Klinser, G., 1 Feb 2020, In: The Philosophical Magazine. 100, 3, p. 379-397 19 p.

Research output: Contribution to journal › Article › peer-review

Evolution of superparamagnetism in the electrochemical dealloying process

Gößler, M., Nachtnebel, M., Schröttner, H., Krenn, H., Steyskal, E-M. & Würschum, R., 2020, In: Journal of Applied Physics. 128, 9, 10 p., 093904.

Research output: Contribution to journal › Article › peer-review

Open Access

Influence of defects on ionic transport in LiTaO₃ – A study using EXAFS and positron annihilation lifetime spectroscopy

Gadermaier, B., Resch, L., Pickup, D. M., Hanghofer, I., Hanzu, I., Heitjans, P., Sprengel, W., Würschum, R., Chadwick, A. V. & Wilkening, H. M. R., Sept 2020, In: Solid State Ionics. 352, 115355.

Research output: Contribution to journal › Article › peer-review

In situ monitoring of artificial aging and solution heat treatment of a commercial Al–Mg–Si alloy with a high intensity positron beam

Resch, L., Gigl, T., Klinser, G., Hugenschmidt, C., Sprengel, W. & Würschum, R., 1 Jan 2020, In: Journal of Physics Condensed Matter. 32, 8, 085705.

Research output: Contribution to journal › Article › peer-review

Open Access

In-situ SQUID studies of electrochemically induced phenomena: Operando diagnosis of battery cathode charging and switching the magnetism of nanoporous alloys

Würschum, R., 2020.

Research output: Contribution to conference › Abstract

Magneto-Ionic Switching of Superparamagnetism

Gößler, M., Krenn, H. & Würschum, R., 28 Jan 2020.

Research output: Contribution to conference › Abstract

Positron annihilation: A tool for paper research

Resch, L., Karner, A., Sprengel, W., Würschum, R. & Schennach, R., 1 Sept 2020, Progress in Paper Physics Seminar. p. 67-70 4 p. (VTT Technology; vol. 378).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Open Access

Search for vacancies in concentrated solid-solution alloys with fcc crystal structure

Resch, L., Luckabauer, M., Helthuis, N., Okamoto, N., Ichitsubo, T., Enzinger, R. J., Sprengel, W. & Würschum, R., 22 Jun 2020, In: Physical Review Materials. 4, 6, 060601(R).

Research output: Contribution to journal › Article › peer-review

Open Access

Voltage-Switchable Superparamagnetism

Gößler, M., Krenn, H. & Würschum, R., 27 Aug 2020.

Research output: Contribution to conference › Abstract

2019

Adsorption and desorption of self-assembled L-cysteine monolayers on nanoporous gold monitored by in situ resistometry

Hengge, E., Steyskal, E-M., Bachler, R., Dennig, A., Nidetzky, B. & Würschum, R., 18 Nov 2019, In: Beilstein Journal of Nanotechnology . 10, p. 2275-2279 5 p.

Research output: Contribution to journal › Article › peer-review

Open Access

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 journal › Conference article › peer-review

High-precision isothermal dilatometry as tool for quantitative analysis of precipitation kinetics: case study of dilute Al alloy

Enzinger, R. J., Hengge, E., Sprengel, W. & Würschum, R., 2019, In: Journal of Materials Science. 54, 6, p. 5083-5091

Research output: Contribution to journal › Article › peer-review

Open Access

Identification of different positron trapping sites during artificial aging of a commercial light weight alloy

Resch, L., Klinser, G., Sprengel, W. & Würschum, R., 27 Dec 2019, The 18th International Conference on Positron Annihilation (ICPA-18): AIP Conference Proceedings . Vol. 2182. p. 050012-1 - 050012-4 4 p. (AIP Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Open Access

Magneto-Ionic Switching of Superparamagnetism

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

Research output: Contribution to journal › Article › peer-review

Open Access

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 conference › Abstract

Nanoporous Structure of Dealloyed Metals Analyzed by Electrochemical Impedance Spectroscopy

Brunner, P. E., Schmette, V., Gößler, M., Steyskal, E-M. & Würschum, R., 13 Nov 2019.

Research output: Contribution to conference › Poster

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 conference › Abstract

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, 013905.

Research output: Contribution to journal › Article › peer-review

Operando Monitoring of Charging-induced Defect Formation in the Battery Cathode Li_xNi_1/3Co_1/3Mn_1/3O₂ by Positron Annihilation

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

Research output: Contribution to conference › Abstract

Positron trapping and annihilation atinterfaces between matrix and cylindrical or spherical precipitates modeled by diffusion-reaction theory

Würschum, R., Resch, L. & Klinser, G., 27 Dec 2019, The 18th International Conference on Positron Annihilation (ICPA-18): AIP Conference Proceedings . Vol. 2182. p. 050010-1 - 050010-6 6 p. (AIP Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Open Access

Recent progress in dilatometry for quantitative analysis of precipitation kinetics

Würschum, R., Enzinger, R. J., Hengge, E. & Sprengel, W., 2019, 40th Risø International Symposium on Material Science: IOP Conf. Series: Materials Science and Engineering. Vol. 580. (IOP Conference Series / Materials Science and Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

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 journal › Article › peer-review

Open Access

Simulations and measurements of the expansion of Li-ion cells with Si-based anodes with a meso-mechanical – electrical finite-element model

Kargl, P., Müller, V., Marinaro, M., Kolm, P. M., Breitfuß, C., Thaler, A., Wolfahrt-Mehrens, M. & Würschum, R., 6 Nov 2019.

Research output: Contribution to conference › Poster › peer-review

2018

Charging processes in the cathode LiNi_0.6Mn_0.2Co_0.2O₂ 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 journal › Article › peer-review

Continuous monitoring of charging and discharging the battery cathode Li_xNi_1/3Co_1/3Mn_1/3O₂ by positron annihilation

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

Research output: Contribution to conference › Abstract

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 journal › Article › peer-review

Open Access

Roland Würschum

Research output

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