Research Areas
- Materialphysik
- Nanostrukturierte und Nanokristalline Materialien
- Metallische Gläser
- Thermodynamik und Kinetik von Phasenumwandlungen
- Diffusion in Festkörpern
- Plastizität feinkristalliner Materialien
- Oberflächen-Nanostrukturen
CV
Education
- PhD (Dr. rer. nat.) in Materials Science with Prof. H. J. Fecht, TU Berlin
- Research Associate within the Euro-Russian Space mission EUROMIR
- University Degree (Diplom) in Physics, University of Cologne and German Research Center (DLR)
Positions
- Scientific Member of the Center for Nanotechnology (CeNTech), Münster
- Professor and Director of the Institute of Materials Physics, WWU
- Gastdozent an der Universität des Saarlandes in Saarbrücken im Fachbereich Physik
- Group Leader within the Emmy-Noether Fellowship Programme of DFG, Research Center Karlsruhe and Saarland University
- 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“
- Senior Researcher with Prof. H. Gleiter, Nanostructured Materials Group, Research Center karlsruhe
- Fellowship, Alexander von Humboldt Foundation with Prof. J. H. Perepezko, University of Wisconsin-Madison, Dept. of Materials Science, USA
Honors
- 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 Foundation
- 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 program – German Research Foundation (DFG)
External Functions
- Elected member of the national Advisory Board of the RQ-13 Conference, Dresden
- Member of the 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
Current Projects
- Correlating the atomisitic nature of grain boundary phase transformations to their macroscopic kinetic properties ( – )
Individual Granted Project: DFG - Individual Grants Programme | Project Number: WI 1899/44-1; DI 1419/19-1 - SPP 2006: Compositionally Complex Alloys - High Entropy Alloys (CCA - HEA) - Subproject: Thermomechanical properties and microstructure of fcc and bcc high-entropy alloys ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Priority Programme | Project Number: WI 1899/32-2
- Correlating the atomisitic nature of grain boundary phase transformations to their macroscopic kinetic properties ( – )
Latest Publications
- . . ‘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.
- . . ‘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, No. 2. doi: 10.1002/admi.202300668.
- . . ‘Evidence for Glass–glass Interfaces in a Columnar Cu–Zr Nanoglass.’ Advanced Functional Materials 33: 2302386. doi: 10.1002/adfm.202302386 .
- . . ‘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, No. 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, No. 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. .
- . . ‘Evidence for strain and a structural reset in Pd40Ni40P20 bulk metallic glass.’ Journal of Applied Physics 132, No. 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, No. 12: 1–8. doi: 10.3390/met12010111.
- . . ‘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, No. 24. doi: 10.1063/5.0133144. .
- ‘Concentration dependence of the crystal nucleation kinetics in undercooled Cu-Ge melts.’ Journal of Chemical Physics 157, No. 21. doi: 10.1063/5.0123681. .
- ‘Considering the Role of Ion Transport in Diffuson-Dominated Thermal Conductivity.’ Advanced Energy Materials 12, No. 22. doi: 10.1002/aenm.202200717. .
- ‘Dislocation exhaustion and ultra-hardening of nanograined metals by phase transformation at grain boundaries.’ Nature Communications 13, No. 1. doi: 10.1038/s41467-022-33257-1. .
- ‘Evidence for strain and a structural reset in Pd40Ni40P20bulk metallic glass.’ Journal of Applied Physics 132, No. 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, No. 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, No. 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, No. 3. doi: 10.1088/1361-6463/aca7d1. .
Research Articles (Journals)
- . . ‘Direct View on Non‐Equilibrium Heterogeneous Dynamics in Glassy Nanorods.’ Advanced Functional Materials 31, No. 38.
- . . ‘A Combined Experimental and First-Principles Based Assessment of Finite-Temperature Thermodynamic Properties of Intermetallic Al3Sc.’ Materials 2021, 14, No. 1837.
- . . ‘Plasmon energy losses in shear bands of metallic glass.’ Ultramicroscopy 2021, No. 223: 113220. doi: 10.1016/j.ultramic.2021.113220.
- . . ‘High entropy alloy nanocomposites produced by high pressure torsion.’ Acta Materialia 2021, No. 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.
- . . ‘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, No. 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, No. 38. doi: 10.1002/adfm.202103742. .
- ‘Disorder classification of the vibrational spectra of modern glasses.’ Physical Review B 104, No. 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, No. 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, No. 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, No. 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, No. 16. doi: 10.1088/1361-648X/abef27. .
- ‘Structural, Morphological and Sensor Properties of the Fractal-Percolation Nanosystem ZnO/NiO.’ Journal of Electronic Materials 50, No. 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. .
Research Article (Book Contributions)
- ‘High-Entropy Alloys: Diffusion.’ In Encyclopedia of Materials: Metals and Alloys, edited by , 402–416. Münster: Elsevier. doi: 10.1016/B978-0-12-803581-8.11771-0. .
For the full publication list and projects, please click here.