• 8010

    Petersgasse 16 Graz

    Austria

Research Output 1996 2019

2011

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

2010

Absolute concentration of free volumes in nanophase metals prepared by high-pressure torsion

Oberdorfer, B., Sprengel, W., Setman, D., Zehetbauer, M., Pippan, R., Puff, W. & Würschum, R., 2010, p. 512-512.

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

Absolute concentration of free volume-type defects in ultrafine-grained Fe prepared by high-pressure torsion

Oberdorfer, B., Lorenzoni, B., Unger, K., Sprengel, W., Zehetbauer, M., Pippan, R. & Würschum, R., 2010, In : Scripta materialia. 63, p. 452-455

Research output: Contribution to journalArticleResearchpeer-review

Adsorption-driven tuning of the electrical resistance of nanoporous gold

Wahl, P., Traußnig, T., Landgraf, S., Jin, H-J., Weissmüller, J. & Würschum, R., 2010, In : Journal of Applied Physics. 8, p. 073706-1-073706-6

Research output: Contribution to journalArticleResearchpeer-review

A novel way to measure diffusional profiles in metal-ceramic composites

Schütz, D., Kurta, C., Arar, M. & Reichmann, K., 15 Jun 2010.

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

Atomare Defekte mit makroskopischer Wirkung / Atomic Defects – Small in Size but Big in Effect

Sprengel, W., Puff, W. & Würschum, R., 2010, Medienfabrik Graz. (Forschungsjournal der TU Graz, 2010-2; vol. 4)

Research output: Book/ReportOther reportResearch

Atomic Structure Evolution During the Delocalization of Sc_4Fe_1-x Nanoglasses

Fang, J., Vainio, U., Puff, W., Würschum, R., Hahn, H. & Gleiter, H., 4 Jul 2010.

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

Bulk nanostructured materials by severe plastic deformation

Zehetbauer, M., Grössinger, R., Krenn, H., Krystian, M., Pippan, R., Rogl, P., Waitz, T. & Würschum, R., 2010, In : Advanced Engineering Materials. 12, p. 692-700

Research output: Contribution to journalArticleResearchpeer-review

Charge-induced tuning of the magnetic moment of nanocrystalline maghemite/platinum composites

Traußnig, T., Topolovec, S., Szabo, D. V., Landgraf, S., Nadeem, K., Krenn, H. & Würschum, R., 2010, X International Conference on Nanostructured Materials - Abstract Book. ., p. 118-118

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

Chemisorption-driven reversible property tuning of nanophase metals and oxides

Traußnig, T., Wahl, P., Topolovec, S., Nadeem, K., Landgraf, S., Krenn, H. & Würschum, R., 22 Jun 2010.

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

Determination and Analysis of Diffusion of Metals in PZT

Arar, M., Schütz, D., Kurta, C., Sprengel, W. & Reichmann, K., 29 Aug 2010.

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

Open Access
File

Direct Measurement of Free Volumes in Ultrafine Grained Metals Prepared by High Pressure Torsion

Oberdorfer, B., Sprengel, W., Setman, D., Zehetbauer, M., Pippan, R., Puff, W. & Würschum, R., 4 Jul 2010.

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

Durchstimmbarer elektrischer Widerstand von nanoporösem Gold

Wahl, P., 2010

Research output: ThesisDiploma ThesisResearch

Electrochemical Tuning of Resistance and Magnetism of Nanomaterials

Traußnig, T., Wahl, P., Topolovec, S., Landgraf, S., Nadeem, K., Jerabek, P., Krenn, H. & Würschum, R., 7 Apr 2010.

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

Electrochemical tuning of the electrical resistance of nanoporous gold prepared by dealloying

Wahl, P., Traußnig, T., Jin, H-J., Landgraf, S., Weissmüller, J. & Würschum, R., 21 Mar 2010.

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

Electrochemical tuning of the electrical resistance of nanoporous gold prepared by dealloying

Wahl, P., Traußnig, T., Jin, HJ., Landgraf, S., Weissmüller, J. & Würschum, R., 13 Sep 2010.

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., 2010, In : Physical Review Letters. 105, p. 146101-1-146101-4

Research output: Contribution to journalArticleResearchpeer-review

Langzeitverhalten von Cs-137 und K-40 in ausgewählten Lebensmitteln von unterschiedlich stark kontaminierten Standorten

Pichl, E. & Rabitsch, H., 26 Sep 2010.

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

Langzeitverhalten von Cs-137 und K-40 in ausgewählten Lebensmitteln von unterschiedlich stark kontaminierten Standorten

Pichl, E. & Rabitsch, H., 2010, Künstliche und natürliche Radionuklide in unserer Umwelt. ., p. 80-85

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

Long term comparison of methods to sustain energy calibration in low level gamma-ray spectroscopy and investigation of possible sources for drift

Schroettner, T. & Kindl, P., 2010, In : Applied Radiation and Isotopes. 68, p. 164-168

Research output: Contribution to journalArticleResearchpeer-review

Magnetische Eigenschaften nanokristalliner Metalloxide unter elektrochemischer Beladung

Topolovec, S., 2010

Research output: ThesisMaster's ThesisResearch

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

2009

Atomic-Scale Structural Evolution upon Crystallite Nucleation and Growth in Amorphous Fe78B13Si9

Sato, K., Murakami, H., Fujimoto, K., Nakata, M., Sprengel, W., Schaefer, H-E., Ueji, Y., Amemiya, Y. & Kobayashi, Y., 2009, In : Japanese journal of applied physics. 48, p. 085505-1-085505-4

Research output: Contribution to journalArticleResearchpeer-review

Comparison of codes assessing galatic cosmic radiation exposure of aircraft crew

Bottollier-Depois, J. F., Beck, P., Bennet, B., Bennet, L., Bütikofer, R., Clairand, I., Desorgher, L., Dyer, C., Felsberger, E., Flückinger, E., Hands, A., Kindl, P., Latocha, M., Lewis, B., Leuthold, G., Macka, T., Mares, V., McCall, M. J., O'Brien, K., Rollet, S. & 2 othersRühm, W. & Wissmann, F., 2009, In : Radiation protection dosimetry. 136, 4, p. 317-323

Research output: Contribution to journalArticleResearchpeer-review

Diffusion in Nanocrystalline Metallic Materials

Sprengel, W. & Würschum, R., 2009, Bulk Nanostructured Materials. 1 ed. Wiley, p. 501-517

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

Enhanced Zr95 diffusion in grain boundaries of nano-crystalline ZrO2-9.5 mol% Y2O3

Drings, H., Brossmann, U., Carstanken, H-D., Szökefalvi-Nagy, A., Noll, C. & Schaefer, H-E., 2009, In : Physica status solidi / A. 206, 1, p. 54-58

Research output: Contribution to journalArticleResearchpeer-review

Enhancing sensitivity of portal monitoring at varying transit speed

Schroettner, T., Kindl, P. & Presle, G., 2009, In : Applied Radiation and Isotopes. 67, p. 1878-1886

Research output: Contribution to journalArticleResearchpeer-review

IASON-FREE: theory and experimental comparisons

Felsberger, E., O'Brien, K. & Kindl, P., 2009, In : Radiation protection dosimetry. 136, 4, p. 267-273

Research output: Contribution to journalArticleResearchpeer-review

Influence of ligands on magnetic properties of chemically synthesized FePt-nanocrystallites

Traußnig, T., Landgraf, S., Rumpf, K., Granitzer, P., Letofsky-Papst, I., Wewerka, K., Kothleitner, G., Krenn, H. & Würschum, R., 2009.

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

Investigation of Structural Vacancies in Titanium Monoxide by Electron-Positron Annihilation

Valeeva, A. A., Rempel, A. A., Sprengel, W. & Schaefer, H-E., 2009, In : Physics of solid state. 51, 5, p. 924-929

Research output: Contribution to journalArticleResearchpeer-review

Metals with tunable properties based on porous nanostructures

Traußnig, T., Rumpf, K., Granitzer, P., Landgraf, S., Krenn, H. & Würschum, R., 2009.

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

Microstructure and vacancy-type defects in high-pressure torsion deformed Al–Cu–Mg–Mn alloy

Lechner, W., Puff, W., Mingler, B., Zehetbauer, M. J. & Würschum, R., 2009, In : Scripta materialia. 61, p. 383-386

Research output: Contribution to journalArticleResearchpeer-review

Microwave plasma synthesis - a versatile technique for fabricating nanocrystalline oxides and composites

Brossmann, U., Sagmeister, M., Postl, M., Szabó, D. V., Ochs, R., List, E. & Würschum, R., 2009.

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