• 8010

    Petersgasse 16 Graz

    Austria

Research Output 1996 2019

2014

The Decisive Contributions by L. Boltzmann and C. Matano to the Quantitative Analysis of Diffusion Phenomena

Sprengel, W. & Koiwa, M., 2014, In : Diffusion Foundations. 1, p. 49 57 p.

Research output: Contribution to journalArticleResearchpeer-review

The Influence of a positron on electron-positron momentum densities in metallic materials

Kontrym-Sznajd, G. & Sormann, H., 2014, In : Physica scripta. 89, 015808, p. 1-7

Research output: Contribution to journalArticleResearchpeer-review

Von der Vermessung atomarer Freiräume zu neuen Materialien; From Measuring Open Spaces to Novel Materials

Sprengel, W. & Würschum, R., 2014, Graz: Medienfabrik Graz. (Forschungsjournal der TU Graz, 2014-1; vol. 11)

Research output: Book/ReportOther reportResearch

2013

Charging-induced defect formation in LixCoO2 battery cathodes studied by positron annihilation spectroscopy

Parz, P., Fuchsbichler, B., Koller, S., Bitschnau, B., Mautner, F-A., Puff, W. & Würschum, R., 2013, In : Applied Physics Letters. 102, p. 151901-1-151901-4

Research output: Contribution to journalArticleResearchpeer-review

Comprehensive defect characterization of different iron samples after severe plastic deformation

Puff, W., Zhou, X., Oberdorfer, B., Scherwitzl, B. R., Parz, P., Sprengel, W. & Würschum, R., 2013, In : Journal of Physics / Conference Series. 443, 1, p. 012033-012033

Research output: Contribution to journalArticleResearchpeer-review

Compton Profile Study and Electron Momentum Density Reconstruction in Hexagonal Mg

Brancewicz, M., Pylak, M., Andrejczuk, A., Zukowski, E., Dobrzynski, L., Sakurai, Y., Itou, M. & Sormann, H., 2013, In : Journal of the Physical Society of Japan. 82, 074702, p. 1-12

Research output: Contribution to journalArticleResearchpeer-review

Defektuntersuchungen mittels Dilatometrie an feinkörnigem Nickel nach Tieftemperaturverformung

Kotzurek, J. A., 2013

Research output: ThesisMaster's ThesisResearch

Dilatometric studies of volume-type atomic defects and their kinetics in ultrafine-grained and amorphous metals

Sprengel, W. & Luckabauer, M., 24 Jun 2013.

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

Open Access
File

Dilatometric studies of volume-type atomic defects and their kinetics in ultrafine-grained and amorphous metals

Sprengel, W. & Luckabauer, M., 7 Oct 2013.

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

Electrochemical tuning of magnetism of γ-Fe2O3 nanoparticles studied by SQUID magnetometry with in-situ cyclic voltammetry

Topolovec, S., Krenn, H. & Würschum, R., 2013.

Research output: Contribution to conferencePosterResearch

Ex-Situ Investigation of Lithium Ion Battery Cathodes by Means of Positron Annihilations Spectroscopy

Parz, P., Puff, W., Koller, S., Fuchsbichler, B. & Würschum, R., 1 Oct 2013.

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

High-resolution laser dilatometry applied to reversible relaxation phenomena in a Zr-based bulk metallic glass

Luckabauer, M., Kühn, U., Eckert, J. & Sprengel, W., 2 Jul 2013.

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

Hounsfield units variations

Zurl, B., Tiefling, R., Winkler, P., Kindl, P. & Kapp, K. S., 2013, In : Strahlentherapie und Onkologie. 190, 1, p. 88-93

Research output: Contribution to journalArticleResearchpeer-review

In situ monitoring magnetism and resistance of nanophase platinum upon electrochemical oxidation

Steyskal, E-M., Topolovec, S., Landgraf, S., Krenn, H. & Würschum, R., 2013, In : Beilstein Journal of Nanotechnology . 4, p. 394-399

Research output: Contribution to journalArticleResearchpeer-review

Porous Nanophase Materials with Electrochemically Tunable Properties

Steyskal, E-M., Topolovec, S., Landgraf, S., Krenn, H. & Würschum, R., 2013, p. 152-152.

Research output: Contribution to conference(Old data) Lecture or PresentationResearchpeer-review

Reaction diffusion and interdiffusion in some binary metallic systems

Mehrer, H. & Sprengel, W., 2013, In : Philosophical magazine (London) / Letters. 93, 16, p. 1971-1986

Research output: Contribution to journalArticleResearch

Self- and Solute Diffusion, Interdiffusion and Thermal Vacancies in the System Iron-Aluminium

Mehrer, H., Luckabauer, M. & Sprengel, W., 2013, In : Defect and diffusion forum [Elektronische Resource]. 333, p. 1-25

Research output: Contribution to journalArticleResearchpeer-review

Spin polarization of conduction electrons and electronic structure of gadolinium

Pylak, M., Dobrzynski, L. & Sormann, H., 2013, In : Physica scripta. 88, 035708, p. 1-11

Research output: Contribution to journalArticleResearchpeer-review

SQUID magnetometry combined with in situ cyclic voltammetry: A case study of tunable magnetism of γ-Fe₂O₃ nanoparticles

Topolovec, S., Jerabek, P., Szabó, D. V., Krenn, H. & Würschum, R., 2013, In : Journal of magnetism and magnetic materials. 329, p. 43-48

Research output: Contribution to journalArticleResearchpeer-review

Vacancy-type and interface related defects in ultra fine grained alloys and oxides

Parz, P., 2013

Research output: ThesisDoctoral ThesisResearch

Vacancy-type and interface-related defects in ultrafine grained materials (Invited talk)

Würschum, R., Parz, P., Puff, W. & Sprengel, W., 2013, SLOPOS13 - Book of Abstracts. ., p. 24-24

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

2012

Absolute concentration of free volumes and related properties of ultrafine grained metals studied by time-dependent dilatometry

Oberdorfer, B., Steyskal, E-M., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 26 Mar 2012.

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

Atomic Structure and Stuctural Stability of Sc_75Fe_25 Nanoglasses

Fang, J. X., Vainio, U., Puff, W., Würschum, R., Wang, X. L., Wang, D., Ghafari, M., Jiang, F., Sun, J., Hahn, H. & Gleiter, H., 2012, In : Nano Letters. 12, p. 458-463

Research output: Contribution to journalArticleResearchpeer-review

Combining SQUID magnetometry with in-situ cyclic voltammetry to study the electrochemical charging-induced variation of the magnetic moment of γ-Fe2O3 nanoparticles

Topolovec, S., Krenn, H. & Würschum, R., 2012, p. 95-95.

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

Defect investigations of an ironnickel meteorite

Parz, P., Puff, W., Sprengel, W. & Leitner, M., 2012.

Research output: Contribution to conferencePosterResearch

Defects in Al-3wt%Cu after high-pressure torsion studied by two-dimensional Doppler broadening spectroscopy

Parz, P., Faller, M. J., Pippan, R., Puff, W. & Würschum, R., 2012, In : Physics procedia . 35, p. 10-15

Research output: Contribution to journalArticleResearch

Defects in an iron-nickel meteorite examined with positrons

Parz, P., Puff, W., Sprengel, W. & Leitner, M., 2012.

Research output: Contribution to conferencePosterResearch

Dilatometrische Untersuchungen freier Volumen in submikrokristallinem Eisen nach Hochverformung

Scherwitzl, B. R., 2012

Research output: ThesisMaster's ThesisResearch

Dilatometry: a powerful tool for the study of defects in ultrafine grained metals

Sprengel, W., Oberdorfer, B., Steyskal, E-M. & Würschum, R., 2012, In : Journal of Materials Science. 47, p. 7921-7925

Research output: Contribution to journalArticleResearchpeer-review

Dilatometry – A Powerful Tool for the Study of Defects in Ultrafine Grained Metals

Sprengel, W., Oberdorfer, B., Steyskal, E-M. & Würschum, R., 12 Mar 2012.

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

Direct experimental determination of grain boundary excess volume in metals

Steyskal, E-M., Oberdorfer, B., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 2012, In : Physical Review Letters. 108, p. 055504/1-055504/5

Research output: Contribution to journalArticleResearchpeer-review

Direct measurements of reversible free-volume formation in bulk Zr56Al7Cu24Ni10Co3 glass below the glass transition temperature

Luckabauer, M., Wunderlich, R., Fecht, H-J. & Sprengel, W., 18 Sep 2012.

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

Electrochemical charging-induced variation of the magnetic moment of γ-Fe2O3 nanoparticles investigated by SQUID magnetometry with in-situ cyclic voltammetry

Topolovec, S., Jerabek, P., Szabo, D. V., Krenn, H. & Würschum, R., 2012, p. 338-338.

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

Electrochemical tuning of the electrical resistance of nanoporous platinum produced by dealloying

Steyskal, E-M., Besenhard, M., Traußnig, T., Weißmüller, J., Landgraf, S. & Würschum, R., 2012, p. MM17-MM17.

Research output: Contribution to conferencePosterResearch

Element-specific study of local segmental dynamics of polyethylene terephthalate upon physical aging

Sato, K. & Sprengel, W., 2012, In : The journal of chemical physics. 137, p. 104906/1-104906/7

Research output: Contribution to journalArticleResearchpeer-review

Free volumes in bulk nanocrystalline metals studied by the complementary techniques of positron annihilation and dilatometry

Würschum, R., Oberdorfer, B., Steyskal, E-M., Sprengel, W., Puff, W., Pikart, P., Hugenschmidt, C. & Pippan, R., 2012, In : Physica / B. 407, p. 2670-2675

Research output: Contribution to journalArticleResearchpeer-review

High-pressure torsion induced open volume defects in Al-3wt%Cu investigated by positron annihilation spectroscopy

Parz, P., Faller, M., Pippan, R., Puff, W. & Würschum, R., 2012, p. 324-324.

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

Investigation of LiCoO2-electrodes at different degrees of lithium extraction

Parz, P., Puff, W., Würschum, R., Fuchsbichler, B. & Koller, S., 2012, Conference Book, 16th International Conference on Positron Annihilation. ., p. 57-57

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

Investigation of LiCoO2-electrodes at different degrees of lithium extraction

Parz, P., Würschum, R., Puff, W., Fuchsbichler, B. & Koller, S., 19 Aug 2012.

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

Microstructure and vacancy-type defects of high-pressure torsion deformed Al-3wt%Cu alloy

Parz, P., Faller, M. J., Pippan, R., Reingruber, H., Puff, W. & Würschum, R., 2012, In : Journal of Applied Physics. 112, p. 103506-1-103506-7

Research output: Contribution to journalArticleResearchpeer-review

Positron annihilation spectroscopy on LiCoO2-electrodes with different lithium content

Parz, P., Puff, W., Würschum, R., Fuchsbichler, B. & Koller, S., 19 Sep 2012.

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

Positron annihilation spectroscopy on LiCoO2-electrodes with different lithium content

Parz, P., Würschum, R., Puff, W. & Fuchsbichler, B., 2012, p. 98-98.

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

POSITRON ANNIHILATION STUDIES OF MATERIALS

Keeble, D. J., Brossmann, U., Puff, W. & Würschum, R., 2012, Characterization of Materials. 1 ed. John Wiley & Sons, Inc

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

Sign-inversion of charging-induced variation of electrical resistance of nanoporous platinum

Steyskal, E-M., Besenhard, M., Landgraf, S., Zhong, Y., Weissmüller, J., Pölt, P., Albu, M. & Würschum, R., 2012, In : Journal of Applied Physics. p. 073703-1-073703-7

Research output: Contribution to journalArticleResearchpeer-review

Spin-glass freezing of maghemite nanoparticles prepared by microwave plasma synthesis

Nadeem, K., Krenn, H., Traußnig, T., Würschum, R., Szabo, D. V. & Letofsky-Papst, I., 2012, In : Journal of Applied Physics. 111, p. 113911-113917

Research output: Contribution to journalArticleResearchpeer-review

Structural and indirect magnetoelectric effects in bulk nanoscaled materials

Krenn, H. & Würschum, R., 2012, Informationstagung Mikroelektronik. ., p. 0-0

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Synthesis and luminescence studies of ultrafine grained Eu2O3:Y2O3 particles with a well defined structure

Brossmann, U., Kautsch, A., Krenn, H., Hofer, F. & Würschum, R., 2012.

Research output: Contribution to conferencePosterResearch

Ultrafine-grained metals: deformation induced defects analyzed by the specific techniques of dilatometry and positron-electron annihilation

Sprengel, W. & Würschum, R., 17 Sep 2012.

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

2011

Atomic Defects in Ultrafine-Grained Metals: Direct and Specific Studies for their Characterization and their Kinetics

Sprengel, W., Oberdorfer, B., Steyskal, E-M., Puff, W., Hugenschmidt, C., Pikart, P., Zehetbauer, M., Pippan, R. & Würschum, R., 3 Jul 2011.

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