Forschungsschwerpunkte
- Materialphysik
- Nanostrukturierte und Nanokristalline Materialien
- Metallische Gläser
- Thermodynamik und Kinetik von Phasenumwandlungen
- Diffusion in Festkörpern
- Plastizität feinkristalliner Materialien
- Oberflächen-Nanostrukturen
Vita
Akademische Ausbildung
- Promotion in den Materialwissenschaften an der TU Berlin bei Prof. H.-J. Fecht: "Makroskopische Eigenschaftsänderungen unterkühlter metallischer Schmelzen"
- Wissenschaftlicher Assistent beim Bodenbegleitprogramm der Raumflugmission EuroMIR ´94
- Diplom in Physik (Exp. Festkörperphysik) an der Universität zu Köln bei Prof. G. Dietz: "Untersuchungen zur spezifischen Wärme unterkühlter metallischer Schmelzen"
Beruflicher Werdegang
- Mitglied des Center for Nanotechnology (CeNTech), Münster
- Universitäts-Professor (W3) in Physik und Direktor am Institut für Materialphysik der Universität Münster
- Gastdozent an der Universität des Saarlandes in Saarbrücken im Fachbereich Physik
- Leiterfunktion in Projekten des Emmy Noether-Programms der DFG
- Leiter einer zusätzlichen, externen Arbeitsgruppe an der Universität des Saarlandes, welche aus dem Impuls- und Vernetzungsfonds des Präsidenten der Helmholtz-Gemeinschaft gefördert wurde
- Permanente Gruppenleiterposition im Rahmen des „Exzellenzprogramms für wissenschaftlich-technische Führungskräfte“ des Forschungszentrums Karlsruhe
- Lehrstuhlvertreter an der Universität des Saarlandes im Fachbereich „Experimentalphysik“
- Wissenschaftlicher Mitarbeiter am Institut für Nanotechnologie des Forschungszentrums Karlsruhe bei Prof. H. Gleiter in der Arbeitsgruppe “Nanostrukturierte Materialien”
- Feodor Lynen-Stipendium der Alexander von Humboldt-Stiftung bei Prof. J.H. Perepezko, Madison, Wisconson, USA
Preise
- Fellowship and Helmholtz-University linkeage group of the „Präsidialfonds“ of the Helmholtz-Society – Helmholtz-Society
- Fellowship within the „Excellent Young Leaders“-program of the Forschungszentrum Karlsruhe – Forschungszentrum Karlsruhe
- Feodor Lynen-Forschungsstipendium für erfahrene Wissenschaftler – Alexander von Humboldt-Stiftung
- Elected member of the board of directors and PI of the “Herbert Gleiter Institute” at Nanjing, China – “Herbert Gleiter Institute” at Nanjing, China und Nanjing University of Science and Technology, Nanjing, China
- Elected member of the International NanoSPD steering committee – International NanoSPD steering committee
- Award of a Shanghai Qian Ren (Thousand Talents) Program – Shanghai Region und City of Shanghai
- Honorary Professor – North-Eastern University, Shenyang, China
- “Outstanding reviewer of the year” – Award of Scripta Materialia – Scripta Materialia
- Honorar-Professur in Hyderabad, Indien – University of Hyderabad, Indien durch Vice-Chancellor I/c.
- Deutsch-Indischer Forschungspreis – "Council of Scientific & Industrial Research" (CSIR), Indien, und Alexander von Humboldt-Stiftung
- “Outstanding reviewer of the year” – Award of Acta Materialia – Acta Materialia
- Honorary Professor – University of Vienna, Vienna, Austria
- Guest Professor – CNRS and University of Rouen, Rouen, France
- “Outstanding reviewer of the year” – Award of Scripta Materialia – Scripta Materialia
- „Overseas“-Professor – Anna University, Chennai, India
- Emmy Noether-Programm – Deutsche Forschungsgemeinschaft (DFG)
Mitgliedschaften und Aktivitäten in Gremien
- Elected member of the national Advisory Board of the RQ-13 Conference, Dresden
- Mitglied des Editorial Board of Scientia Nanotechnology
- Elected member of the international Advisory Board of the ISRS-2010 Symposium, IIT Madras, India
- Lifetime membership of TMS (offered by TMS)
- Gründungsmitglied des DFG-Forschungszentrums „Center for Functional Nanostructures, CFN“, Technische Universität Karlsruhe
Laufendes Projekt
- Korrelation der atomistischen Beschaffenheit von Korngrenzphasenumwandlungen mit ihren makroskopischen kinetischen Eigenschaften ( – )
Gefördertes Einzelprojekt: DFG - Sachbeihilfe/Einzelförderung | Förderkennzeichen: WI 1899/44-1; DI 1419/19-1
- Korrelation der atomistischen Beschaffenheit von Korngrenzphasenumwandlungen mit ihren makroskopischen kinetischen Eigenschaften ( – )
Neueste Publikationen
- . . ‘Interphase design of LiNi0.6Mn0.2Co0.2O2 as positive active material for lithium ion batteries via Al2O3 coatings using magnetron sputtering for improved performance and stability.’ Batteries & Supercaps Early View: e2023005. doi: 10.1002/batt.202300580.
- . . ‘Direct Recycling at the Material Level: Unravelling Challenges and Opportunities through a Case Study on Spent Ni-Rich Layered Oxide-Based Cathodes.’ Advanced Energy Materials 14: 2400840. doi: 10.1002/aenm.202400840.
- . . ‘Ultrahigh Ni-Rich (90%) Layered Oxide-Based Cathode Active Materials: The Advantages of Tungsten (W) Incorporation in the Precursor Cathode Active Material.’ SMALL SCIENCE online first: 2400135. doi: 10.1002/smsc.202400135.
- . . ‘Nanostructuring and hardness evolution in a medium Mn steel processed by high-pressure torsion technique.’ Advanced Engineering Materials 2024: 2400920. doi: 10.1002/adem.202400920.
- . . ‘Hardness and microstructural evolution of CoCrFeNi high-entropy alloys during severe plastic deformation .’ Materials Science and Engineering: A 908: 1–12. doi: 10.1016/j.msea.2024.146758.
- . . ‘Correlations between shadow glass transition, enthalpy recovery and medium range order in a Pd40Ni40P20 bulk metallic glass.’ Acta Materialia 275: 1–10. doi: 10.1016/j.actamat.2024.120034.
- . . ‘Medium-range structural order in amorphous Ge2Sb2Te5 phase change material.’ Applied Physics Letters 124: 1–6. doi: 10.1063/5.0190359.
- . . ‘Enhanced diffusion in thin-film Cu-Zr nanoglasses.’ Acta Materialia 265: 1–8. doi: 10.1016/j.actamat.2023.119634.
- . . ‘Differences in structure and dynamics of ternary Pd-Ni-based bulk metallic glasses containing sulfur or phosphorous.’ Acta Materialia 264: 1–7. doi: 10.1016/j.actamat.2023.119574.
- . . ‘Scalable Non-Volatile Tuning of Photonic Computational Memories by Automated Silicon Ion Implantation.’ Advanced Functional Materials 36, Nr. 8: 1–11. doi: 10.1002/adma.202310596.
- . . ‘Al‐doped ZnO‐Coated LiNi1/3Mn1/3Co1/3O2 Powder Electrodes: The Effect of a Coating Layer on The Structural and Chemical Stability of The Electrode / Electrolyte Interface.’ Advanced Materials Interfaces 11, Nr. 2. doi: 10.1002/admi.202300668.
- . . ‘Tracer diffusion under a concentration gradient: A pathway for a consistent development of mobility databases in multicomponent alloys.’ Journal of Alloys and Compounds 930: 167301. doi: 10.1016/j.jallcom.2022.167301.
- . . ‘Tracer diffusion under a concentration gradient: A pathway for a consistent development of mobility databases in multicomponent alloys.’ Journal of Alloys and Compounds 930: 167301. doi: 10.1016/j.jallcom.2022.167301.
- . ‘’Anti-sluggish’ Ti diffusion in HCP high-entropy alloys: Chemical complexity vs. lattice distortions.’ Scripta Materialia 224: 115117. doi: 10.1016/j.scriptamat.2022.115117.
- . . ‘’Non-equilibrium’ grain boundaries in additively manufactured CoCrFeMnNi high-entropy alloy: enhanced diffusion and strong segregation.’ Journal of Applied Physics 132: 245105. doi: 10.1063/5.0133144..
- . . ‘Kinetic and structural insights into the grain boundary phase transitions in Ni-Bi alloys.’ Acta Materialia 245: 118632. doi: 10.1016/j.actamat.2022.118632.
- . . ‘Additively manufactured equiatomic CoCrFeMnNi high entropy alloy: precipitation-induced heterogeneity by mechano-chemical coupling.’ Journal of Alloys and Compounds 938: 168514. doi: 10.1016/j.jallcom.2022.168514.
- . ‘Achieving high strength via solutes co-clustering and solvents redistribution in an ultralightweight BCC magnesium alloy.’ Materials Research Letters 11, Nr. 7: 556–562. doi: 10.1080/21663831.2023.2188909.
- . ‘Analytical model for two-channel phonon transport engineering.’ Materials Today 35. doi: 10.1016/j.mtphys.2023.101107.
- . ‘Atomic diffusion in bcc Fe–Mn alloys: Theoretical analysis and experimental measurements across the Curie temperature.’ Acta Materialia 251: 118883. doi: 10.1016/j.actamat.2023.118883.
- . ‘Bulk synthesis of Ti28Zr40Al20Nb12 high entropy alloy: a critical evaluation of processing conditions.’ Applied Physics A 129, Nr. 7. doi: 10.1007/s00339-023-06769-w.
- . ‘Coherent twin-oriented Al3Sc-based precipitates in Al matrix.’ Scripta Materialia 229. doi: 10.1016/j.scriptamat.2023.115351.
- . ‘Dissimilar diffusion bonding of bulk metallic glass: Amorphous/crystalline atomic-scale interaction.’ Materials Characterization 195. doi: 10.1016/j.matchar.2022.112480.
- . ‘Does Zn mimic diffusion of Al in the HCP Al-Sc-Hf-Ti-Zr high entropy alloys?’ Scripta Materialia 229: 115376. doi: 10.1016/j.scriptamat.2023.115376.
- . ‘Impact of Gd minor alloying on the crystallization kinetics of Pd40Ni40P20 bulk metallic glass.’ Journal of Non-Crystalline Solids 609. doi: 10.1016/j.jnoncrysol.2023.122290.
- . ‘Microstructure and mechanical properties of Si micro-alloyed (Ti28Zr40Al20Nb12)100-xSix (x=0, 0.1, 0.2, 0.5) high entropy alloys.’ Intermetallics 161. doi: 10.1016/j.intermet.2023.107959.
- . ‘Origin of strain softening in a nanograined Al alloy.’ Scripta Materialia 226. doi: 10.1016/j.scriptamat.2022.115235.
- . ‘Stress-induced phase transformation and phase boundary sliding in Ti: An atomically resolved in-situ analysis.’ Journal of Materials Science and Technology 152: 30–36. doi: 10.1016/j.jmst.2022.12.029.
- . . ‘In situ TEM studies of relaxation dynamics and crystal nucleation in thin film nanoglasses.’ Materials Research Letters 11, Nr. 12: 1022–1030. doi: 10.1080/21663831.2023.2278597.
- . . ‘Evidence for Glass–glass Interfaces in a Columnar Cu–Zr Nanoglass.’ Advanced Functional Materials 33: 2302386. doi: 10.1002/adfm.202302386 .
- . . ‘Nanomaterials by Severe Plastic Deformation: Review of Historical Developments and Recent Advances.’ Materials Research Letters 10: 163–256. doi: 10.1080/21663831.2022.2029779.
- . ‘Comparative study of thermal stability and crystallization kinetics between melt-spun and bulk Pd77.5Cu6Si16.5 metallic glasses.’ Journal of Materials Research and Technology 17: 2203–2219. doi: 10.1016/j.jmrt.2022.01.147.
- . ‘Intrinsic heterogeneity of grain boundary states in ultrafine-grained Ni: A cross-scale study by SIMS and radiotracer analyses.’ Acta Materialia 22: 101397. doi: 10.1016/j.mtla.2022.101397.
- . ‘Zr diffusion in BCC refractory high entropy alloys: A case of ‘non-sluggish’ diffusion behavior.’ Acta Materialia 233. doi: 10.1016/j.actamat.2022.117970.
- . . ‘Low-temperature metastable-to-equilibrium phase transitions in Fe-Ga alloys.’ Intermetallics 145: 107540. doi: 10.1016/j.intermet.2022.107540.
- . . ‘Self-diffusion in carbon-alloyed CoCrFeMnNi high entropy alloys.’ Acta Materialia 237: 118136. doi: 10.1016/j.actamat.2022.118136.
- . ‘"Non-equilibrium" grain boundaries in additively manufactured CoCrFeMnNi high-entropy alloy: Enhanced diffusion and strong segregation.’ Journal of Applied Physics 132, Nr. 24. doi: 10.1063/5.0133144.
- . ‘Concentration dependence of the crystal nucleation kinetics in undercooled Cu-Ge melts.’ Journal of Chemical Physics 157, Nr. 21. doi: 10.1063/5.0123681.
- . ‘Considering the Role of Ion Transport in Diffuson-Dominated Thermal Conductivity.’ Advanced Energy Materials 12, Nr. 22: 2200717. doi: 10.1002/aenm.202200717.
- . ‘Dislocation exhaustion and ultra-hardening of nanograined metals by phase transformation at grain boundaries.’ Nature Communications 13, Nr. 1. doi: 10.1038/s41467-022-33257-1.
- . ‘Evidence for strain and a structural reset in Pd40Ni40P20bulk metallic glass.’ Journal of Applied Physics 132, Nr. 10. doi: 10.1063/5.0098050.
- . ‘Hydrogen storage behavior of Mg/Ni layered nanostructured composite materials produced by accumulative fold-forging.’ International Journal of Hydrogen Energy 47, Nr. 2: 1048–1062. doi: 10.1016/j.ijhydene.2021.10.096.
- . ‘Observing Dislocations Transported by Twin Boundaries in Al Thin Film: Unusual Pathways for Dislocation-Twin Boundary Interactions.’ Nano Letters 22, Nr. 15: 6229–6234. doi: 10.1021/acs.nanolett.2c01763.
- . ‘Optimizing the magnetic and giant magneto-impedance (GMI) properties of glass-coated amorphous Co-based wires via single- and two-step direct current annealing.’ Journal of Physics D: Applied Physics 56, Nr. 3. doi: 10.1088/1361-6463/aca7d1.
- . . ‘Evidence for strain and a structural reset in Pd40Ni40P20 bulk metallic glass.’ Journal of Applied Physics 132, Nr. 10: 105107. doi: 10.1063/5.0098050.
- . . ‘Decoupled alpha and beta relaxation kinetics in a thermally cycled bulk Pd40Ni40P20 glass.’ Journal of Alloys and Compounds 915: 165386. doi: 10.1016/j.jallcom.2022.165386.
- . . ‘Effects of solutes on thermal stability, microstructure and mechanical properties in CrMnFeCoNi based alloys after high pressure torsion.’ Acta Materialia 227: 117689. doi: 10.1016/j.actamat.2022.117689.
- . . ‘On the shear modulus and thermal effects during structural relaxation of a model metallic glass: Correlation and thermal decoupling.’ Journal of Materials Science and Technology 103: 144–151. doi: 10.1016/j.jmst.2021.05.081.
- . . ‘In situ generated shear bands in metallic glass investigated by atomic force and analytical transmission electron microscopy.’ Metals 2022, Nr. 12: 1–8. doi: 10.3390/met12010111.
Forschungsartikel (Zeitschriften)
- . . ‘Decelerated aging in metallic glasses by low temperature thermal cycling.’ Phys Rev Research 3.
- . . ‘Impurity effect on recrystallization and grain growth in severe plastically deformed copper.’ Materials Science and Engineering: A 824, Nr. May: 141786. doi: 10.1016/j.msea.2021.141786. [accepted / in Press (not yet published)]
- . . ‘Al2O3 protective coating on silicon thin film electrodes and its effect on the aging mechanisms of lithium metal and lithium ion cells.’ Journal of Energy Storage 44: 103479. doi: 10.1016/J.EST.2021.103479.
- . . ‘The impact of magnetic transition on Mn diffusion in alpha-iron: Correlative state-of-the-art theoretical and experimental study.’ Physical Review B 104: 184107. doi: 10.1103/PhysRevB.104.184107.
- . ‘Al2O3 protective coating on silicon thin film electrodes and its effect on the aging mechanisms of lithium metal and lithium ion cells.’ Journal of Energy Storage 44. doi: 10.1016/j.est.2021.103479.
- . ‘Direct View on Non-Equilibrium Heterogeneous Dynamics in Glassy Nanorods.’ Advanced Functional Materials 31, Nr. 38. doi: 10.1002/adfm.202103742.
- . ‘Disorder classification of the vibrational spectra of modern glasses.’ Physical Review B 104, Nr. 13. doi: 10.1103/PhysRevB.104.134106.
- . ‘Impact of cryogenic cycling on tracer diffusion in plastically deformed Pd40 Ni40 P20 bulk metallic glass.’ Acta Materialia 209. doi: 10.1016/j.actamat.2021.116785.
- . ‘Impact of magnetic transition on Mn diffusion in α -iron: Correlative state-of-the-art theoretical and experimental study.’ Physical Review B 104, Nr. 18. doi: 10.1103/PhysRevB.104.184107.
- . ‘Impact resistance of single-layer metallic glass nanofilms to high-velocity micro-particle penetration.’ Extreme Mechanics Letters 44. doi: 10.1016/j.eml.2021.101258.
- . ‘Interface-Driven Thermoelectric Switching Performance of VO+-Diffused Soda-Lime Glass.’ Physica Status Solidi - Rapid Research Letters 15, Nr. 7. doi: 10.1002/pssr.202100077.
- . ‘Ligand-controlled and nanoconfinement-boosted luminescence employing Pt(ii) and Pd(ii) complexes: From color-tunable aggregation-enhanced dual emitters towards self-referenced oxygen reporters.’ Chemical science 12, Nr. 9: 3270–3281. doi: 10.1039/d0sc06126c.
- . ‘Relaxation dynamics of Pd-Ni-P metallic glass: Decoupling of anelastic and viscous processes.’ Journal of Physics: Condensed Matter 33, Nr. 16. doi: 10.1088/1361-648X/abef27.
- . ‘Structural, Morphological and Sensor Properties of the Fractal-Percolation Nanosystem ZnO/NiO.’ Journal of Electronic Materials 50, Nr. 4: 2268–2276. doi: 10.1007/s11664-021-08749-3.
- . ‘Synergizing mechanical properties and damping capacities in a lightweight Al-Zn-Li-Mg-Cu alloy.’ Journal of Alloys and Compounds 886. doi: 10.1016/j.jallcom.2021.161285.
- . . ‘Direct View on Non‐Equilibrium Heterogeneous Dynamics in Glassy Nanorods.’ Advanced Functional Materials 31, Nr. 38.
- . . ‘A Combined Experimental and First-Principles Based Assessment of Finite-Temperature Thermodynamic Properties of Intermetallic Al3Sc.’ Materials 2021, 14, Nr. 1837.
- . . ‘Plasmon energy losses in shear bands of metallic glass.’ Ultramicroscopy 2021, Nr. 223: 113220. doi: 10.1016/j.ultramic.2021.113220.
- . . ‘High entropy alloy nanocomposites produced by high pressure torsion.’ Acta Materialia 2021, Nr. 208: 116714. doi: 10.1016/j.actamat.2021.116714.
- . . ‘Tracer diffusion in the σ phase of the CoCrFeMnNi system.’ Acta Materialia 203. doi: 10.1016/j.actamat.2020.116498.
Forschungsartikel (Buchbeiträge)
- . ‘High-Entropy Alloys: Diffusion.’ In Encyclopedia of Materials: Metals and Alloys, edited by , 402–416. Amsterdam: Elsevier. doi: 10.1016/B978-0-12-803581-8.11771-0.
Alle Publikationen sowie Projekte sind in der WWU-Forschungsdatenbank zu finden.