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Dr. Irma Peschke (geb. Poltz)


wissenschaftliche Mitarbeiterin
Institut für Mineralogie
Leibniz Universität Hannover
Callinstr. 3
D-30167 Hannover
Raum: 2501-329

Telefon:+49 (0)511 762-19981
Fax:+49 (0)511 762-3045
E-Mail:i.peschkemineralogie.uni-hannover.de

Bild von Dr. Irma Peschke (geb. Poltz)

Current project:

"Kristallisation unter Einfluss der Flotation: Neue Wege zur Synthese selbsttragender Zeolith-Membranen" DFG BU1020/22-1

Education:

2018: Certified Project Management Associate (GPM), IPMA Level D

2016: PhD in Chemistry, Universität Bremen, Solid State Chemical Crystallography group.

Joint project between the Institute of Inorganic Chemistry and Crystallography and the Institute of Mineralogy, Leibniz Universität Hannover.

Dissertation: "Synthese und Struktur-Eigenschaftsbeziehungen gallogermanatischer Sodalithe |NaaXb(H2O)n|[GaGeO4]6 und verwandter Verbindungen"

2011: M.Sc. in Earth Sciences, Leibniz Universität Hannover

2008: B.Sc. in Earth Sciences, Leibniz Universität Hannover

Professional experience:

since 2018: DFG-funded Research Associate, Leibniz Universität Hannover

2015-2017: BMWi-funded Research Associate, Bergische Universität Wuppertal, Faculty of mechanical and safety engineering. Joint project with industrial partners: "ProTypRG: Prototyping von Teilen aus Bronze und Rotguss zur Herstellung dünnwandiger Pumpen und flexibler Teilebereitstellung"

2013-2014: Research Associate, Universität Bremen

2011-2013: PhD scholarship holder, funded by the Faculty of Biology/Chemistry, Universität Bremen

2008-2011: Student Assistant, Leibniz Universität Hannover and Niedersächsisches Landesamt für Denkmalpflege (NLD), Hannover

Research interests:

  • Crystallography in Materials Science 
  • Structural chemistry of Zeolite-type compounds 
  • Structure-property relationships of functional materials 
  • Fundamental research in the field of microporous materials and other solid state compounds 
  • Synthesis and material characterization by X-ray diffraction, spectroscopic and microscopic methods

Teaching activities:

since 2011: Supervision of Diploma, Bachelor and Master students

2008: Tutor crystallography lecture for Bachelor students, Leibniz Universität Hannover

2011-2013: Assistance and supervision in chemistry lab courses for Bachelor students, Universität Bremen

2016: Topic "X-ray diffraction" - Seminar Computer-aided material development for Master students, Bergische Universität Wuppertal

2016: Topic "Qualitative and quantitative phase determination" - User workshop for regional industry representatives, Bergische Universität Wuppertal

2019: Topic "X-ray diffraction" - Module X-ray Diffraction and Spectroscopy II for Bachelor students, Leibniz
Universität Hannover

Publications:

Journals:

J.-Ch. Buhl, F. Stemme, I. Poltz, Hydrothermal stability of NaBH4 enclathrated sodalites with aluminosilicate and gallosilicate framework. Microporous Mesoporous Mater. 126 (2009) 276-282.

L. Robben, I. Poltz, J.-Ch. Buhl, Crystal structure of sodium gallium germanium oxide, NaGaGeO4. Z. Kristallogr. NCS 225 (2010) 421-422.

I. Poltz, L. Robben, J.-Ch. Buhl, Th.M. Gesing, Synthesis, crystal structure and temperature-dependent behavior of gallogermanate tetrahydroborate sodalite |Na8(BH4)2|[GaGeO4]6. Microporous Mesoporous Mater. 174 (2013) 54-61.

I. Poltz, L. Robben, J.-Ch. Buhl, Th.M. Gesing, Synthesis, crystal structure and temperature-dependent properties of gallogermanate nitrite sodalite |Na8(NO2)2|[GaGeO4]6. Microporous Mesoporous Mater. 203 (2015) 100-105.

J. Teubler, S. Weber, P. Suski, I. Peschke, Ch. Liedtke, Critical evaluation of the material characteristics and environmental potential of laser beam melting processes for the additive manufacturing of metallic components. J. Clean. Prod. 237 (2019) 117775.

Abstracts / Conference contributions:

I. Poltz, J.-Ch. Buhl, Hydrothermale Stabilität von Natriumtetrahydroborat Sodalith Na8[AlSiO4]6(BH4)2. 86th Annual Meeting of the German Mineralogical Society (DMG), 14. - 17.09.2008, Berlin.

I. Poltz, L. Robben, J.-Ch. Buhl, Synthesis and characterization of B(OH)4-H2O enclathrated gallogermanate sodalite. 26th European Crystallographic Meeting, 29.08. - 02.09.2010, Darmstadt. Acta Crystallogr. A66 (2010), 237.

I. Poltz, L. Robben, J.-Ch. Buhl, Synthesis, structure and thermal properties of tetrahydroborate enclathrated gallogermanate sodalite Na8[GaGeO4]6 (BH4)2. 23. Deutsche Zeolith-Tagung, 02. - 04.03.2011, Erlangen.

I. Poltz, L. Robben, J.-Ch. Buhl, Th.M. Gesing, Synthesis, crystal structure and high temperature behavior of gallogermanate tetrahydroborate sodalite Na8[GaGeO4]6(BH4)2. Joint Meeting of the German Crystallographic Society (DGK), German Mineralogical Society (DMG) and Austrian Mineralogical Society (ÖMG): Crystals, Minerals and Materials, 20. - 24.09.2011, Salzburg, Österreich. Z. Kristallogr. Suppl. 31 (2011) 103.

P. Nowaczyk, I. Poltz, J.-Ch. Buhl, Th.M. Gesing, Hydrothermal synthesis-experiments and properties of the phases in gallogermanate-nitrite-sodalite-system. 14th International Conference on Experimental Mineralogy Petrology and Geochemistry, 04. -07.03.2012, Kiel.

I. Poltz, L. Robben, J.-Ch. Buhl, Th.M. Gesing, Synthesis, crystal structure and high temperature behavior of gallogermanate tetrahydroborate sodalite Na8[GaGeO4]6(BH4)2. German - Russian bilateral symposium: Variability and complexity of minerals and their synthetic analogues of the Vulkaneifel and related provinces, 23. - 24.04.2012, Bremen.

I. Poltz, L. Robben, J.-Ch. Buhl, Th.M. Gesing, Temperature-dependent structure and properties of |Na8(BH4)2|[GaGeO4]6. 15. Norddeutsches Doktorandenkolloqium der anorganischen Chemie, 24. - 25. 09.2012, Krelingen / Walsrode.

I. Poltz, L. Robben, J.-Ch. Buhl, Th.M. Gesing, Synthesis and crystal structure of body-centered gallogermanate chloride/hydrate sodalite. 21. Jahrestagung der Deutschen Gesellschaft für Kristallographie (DGK), 19. - 22.03.2013, Freiberg. Z. Kristallogr. Suppl. 33 (2013) 95.

I. Poltz, L. Robben, J.-Ch. Buhl, Th.M. Gesing, Synthesis, crystal structure and temperature-dependent properties of gallogermanate nitrite sodalite |Na8(NO2)2|[GaGeO4]6. DGK 1st Meeting of the Young Crystallographers, 28. - 30.09.2014, Bremen.

I. Peschke, P. Jürgens, M. Blüm, S. Weber, Additive Fertigung von CuSn11 Werkstoffen mit selektivem Laserschmelzen (SLM). 13. Kupfersymposium des Deutschen Kupferinstituts (DKI) in Kooperation mit dem Karlsruher Institut für Technologie (KIT), 16. - 17.11.2016, Karlsruhe. METALL 70 (2016) 438-442.

M. Blüm, P. Kronenberg, I. Peschke, S. Weber, Legieren von Cu-Basis Werkstoffen während der additiven Fertigung. DGM-Fachtagung "Werkstoffe und additive Fertigung", 25. - 26.04.2018, Potsdam.

I. Peschke, J.-Ch. Buhl, Synthesis and characterization of self-supported SOD-LTN layers for membrane applications. 27. Jahrestagung der Deutschen Gesellschaft für Kristallographie (DGK), 25. - 28.03.2019, Leipzig. Z. Kristallogr. Suppl. 39 (2019) 88.