• 8010

    Petersgasse 16 Graz

    Austria

Research Output 1996 2019

2010

Sol-gel synthesis and characterization of single-phase Ni ferrite nanoparticles dispersed in SiCO2 matrix

Nadeem, K., Traußnig, T., Letofsky-Papst, I., Krenn, H., Brossmann, U. & Würschum, R., 2010, In : Journal of Alloys and Compounds. 493, p. 385-390

Research output: Contribution to journalArticleResearchpeer-review

Structure and luminescence properties of Eu-doped Y2O3 nano-particles prepared by Microwave Plasma Synthesis

Kautsch, A., Brossmann, U., Krenn, H., Hofer, F. & Würschum, R., 2010.

Research output: Contribution to conferencePosterResearch

Synthesis and optical properties of organic semiconductor: zirconia nanocomposites

Sagmeister, M., Brossmann, U., List, E., Ochs, R., Szabó, D. V., Saf, R., Grogger, W., Tchernychova, E. & Würschum, R., 2010, In : Journal of Nanoparticle Research. p. 2541-2551

Research output: Contribution to journalArticleResearchpeer-review

Vacancy-type defects in amorphous and nanocrystalline Al alloys: Variation with preparation route and processing

Lechner, W., Puff, W., Wilde, G. & Würschum, R., 2010, In : Scripta materialia. 62, p. 439-442

Research output: Contribution to journalArticleResearchpeer-review

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

Defect investigations via positron annihilation spectroscopy on proton implanted silicon

Schriefl, A. J., Sgouridis, S., Schustereder, W. & Puff, W., 2011, In : Solid state phenomena. 178-179, p. 319-324

Research output: Contribution to journalArticleResearchpeer-review

Distinguishing magnetic blocking and surface spin-glass freezing in nickel ferrite nanoparticles

Nadeem, K., Krenn, H., Traußnig, T. & Letofsky-Papst, I., 2011, In : Journal of Applied Physics. 109, p. 013912-1-013912-6

Research output: Contribution to journalArticleResearchpeer-review

Effect of dipolar and exchange interactions on magnetic blocking of maghemite nanoparticles

Nadeem, K., Krenn, H., Traußnig, T., Würschum, R., Szabo, D. V. & Letofsky-Papst, I., 2011, In : Journal of magnetism and magnetic materials. 323, p. 1998-2004

Research output: Contribution to journalArticleResearchpeer-review

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

Würschum, R., 2011, Book of Abstracts Positron Studies on Defects 2011 (PSD-11). ., p. 13-13

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

Grain boundary excess volume in metals determined by dilatometry

Steyskal, E-M., Oberdorfer, B., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 2011, p. 441-441.

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

In-situ probing of fast defect annealing in Cu and Ni with a high-intensity positron beam

Oberdorfer, B., Steyskal, E-M., Sprengel, W., Puff, W., Pikart, P., Hugenschmidt, C., Zehetbauer, M., Pippan, R. & Würschum, R., 2011, Verhandlungen der Deutschen Physikalischen Gesellschaft. ., p. 441-441

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

Ladungsinduzierte Steuerung der physikalischen Eigenschaften von nanoskaligen Metallen und Metalloxiden

Traußnig, T., 2011

Research output: ThesisDoctoral ThesisResearch

Magnetization of Fe-oxide based nanocomposite tuned by surface charging

Traußnig, T., Topolovec, S., Nadeem, K., Szabo, D. V., Krenn, H. & Würschum, R., 2011, In : Physica status solidi / Rapid research letters. 5, 4, p. 150-152

Research output: Contribution to journalArticleResearchpeer-review

Microstructure and vacancy-type defects in Al-3wt%Cu after high-pressure torsion

Parz, P., Würschum, R., Puff, W., Faller, M. & Pippan, R., 28 Aug 2011.

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

Microstructure and vacancy-type defects in Al-3wt%Cu after high-pressure torsion

Parz, P., Faller, M., Pippan, R., Puff, W. & Würschum, R., 2011, Book of Abstracts, Positron Studies of Defects 2011. ., p. 28-28

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

Recrystallization kinetics of ultrafine-grained Ni studied by dilatometry

Oberdorfer, B., Steyskal, E-M., Sprengel, W., Pippan, R., Zehetbauer, M., Puff, W. & Würschum, R., 2011, In : Journal of Alloys and Compounds. 509, p. 5309-5311

Research output: Contribution to journalArticleResearchpeer-review

Reversible tuning of the magnetic moment of nanocrystalline maghemite/platinum composites by electrochemical charging

Traußnig, T., Topolovec, S., Nadeem, K., Szabo, D. V., Krenn, H. & Würschum, R., 2011, p. 408-408.

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

Structural and optical properties of nanoparticulate Y2O3:Eu2O3 made by microwave plasma synthesis

Kautsch, A., Brossmann, U., Krenn, H., Hofer, F., Szabo, D. V. & Würschum, R., 2011, In : Applied Physics / A. 105, 3, p. 709-712

Research output: Contribution to journalArticleResearchpeer-review

Structure and electrical properties of nanoparticulate tungsten oxide prepared by microwave plasma synthesis

Sagmeister, M., Postl, M., Brossmann, U., List, E., Klug, A., Letofsky-Papst, I., Szabó, D. & Würschum, R., 2011, In : Journal of physics / Condensed matter. 23, 33, p. 334206-1-334206-7

Research output: Contribution to journalArticleResearchpeer-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., Würschum, R., Puff, W. & Fuchsbichler, B., 2012, p. 98-98.

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

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 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

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