Teaching
Since 01/1992 in Kiel
- Einführung in die Polarisationsmikroskopie und Mineraloptik
- Qualitative und quantitative Phasenanalyse (Rietveld-Methode)
- Praktikum zur Qualitativen und quantitative Phasenanalyse (Rietveld-Methode)
- 57Fe-Mössbauerspektroskopie für Geowissenschaftler
- Praktikum zur 57Fe-Mössbauerspektroskopie für Geowissenschaftler
- Thermodynamische Phasenlehre
- Schreinemakersanalyse
- Industrieexkursionen: Schweiz 1993, SW-Deutschland 1995
Since 10/2005 in Münster
- Übungen zur Mineralbestimmung
- Kristallographische Eigenschaften
- Kristallographie (Röntgenbeugungsmethoden)
- Kristallphysik
- Kristallchemie
Visiting Scientist
- 6/1988 Visiting Scientist, Institut fuer Mineralogie, Uni Salzburg (Prof. G. Amthauer)
- 6-7/1992 Visiting Scientist, Institut fuer Mineralogie, Uni Salzburg (Prof. G. Amthauer)
- 9-12/2000 Rechercheur associé au Laboratoire de Géologie, ENS, Paris (Prof. Ch. Chopin)
- 12/2001 Visiting scientist au Laboratoire de Géologie, ENS, Paris (Prof. Ch. Chopin)
- 03/2006 Visiting scientist au Laboratoire de Géologie, ENS, Paris (Prof. Ch. Chopin)
Research Areas
- Phosphate mineralogy, an internally consistent data set
- 57Fe-Moessbauer spectroscopy of mixed valent compounds
- Kristallchemie ionenleitender Perovskite
CV
Education
- Habilitation
- phd
Positions
- ◾Student in Mineralogy, RUB, Bochum ◾Diploma, Mineralogy: Uni Göttingen ◾Scientific coworker, “Forschungsverbund zur Hochtemperatur-Supraleitung” Göttingen ◾Ph.D. Thesis: Experimental Investigations of the Stability, Crystal Chemistry and Crystal Physics of CuS2-FeS2-solid solutions. ◾C1-Scientist, Mineralogisch-Petrographisches Institut, Kiel ◾Habilitation: Material Science Aspects of Phosphate Mineralogy
- Wissenschaftlicher Mitarbeiter am Institut für Geowissenschaften, Universität Kiel
Publications
- . (). CoMg olivine: cation partitioning, thermal expansion and structural variation studied by in situ neutron and synchrotron powder diffraction. European Journal of Mineralogy, 28(4), 703–719. doi: 10.1127/ejm/2016/0028-2554.
- . (). Displacive disorder and spin frustration hosted multiferroic orders in pyrochlore-spinel composites. Journal of Materials Chemistry C, 4(33), 7766–7774. doi: 10.1039/c6tc02036d.
- . (). Topotactic formation of ferrisicklerite from natural triphylite under hydrothermal conditions. Mineralogy and Petrology, 107(4), 501–515.
- . (). Synthesis of trace element bearing single crystals of Chlor-Apatite (Ca-5(PO4)(3)Cl) using the flux growth method . Chemistry Central Journal, 7(56). doi: 10.1186/1752-153X-7-56.
- . (). Experimental investigation of the alluaudite plus triphylite assemblage, and development of the Na-in-triphylite geothermometer: applications to natural pegmatite phosphates. Contributions to Mineralogy and Petrology, 161(4), 531–546. doi: 10.1007/s00410-010-0547-6.
- . (). The mechanism of the hydrothermal alteration of cerium- and plutonium-doped zirconolite. Journal of Nuclear Materials, 410(1-3), 10–23. doi: 10.1016/j.jnucmat.2010.12.218.
- 10.1007/s00410-010-0547-6. (). Experimental investigation of the alluaudite + triphylite assemblage, and development of the Na-in-triphylite geothermometer: Applications to natural pegmatite phosphates. Contributions to Mineralogy and Petrology, 161(4), 531–546. doi:
- . (). Structure and lithium ion conductivity of garnet-like Li5La3Sb2O12 and Li6SrLa2Sb2O12. Materials Research Bulletin, 43(10), 2579–2591. doi: 10.1016/j.materresbull.2007.10.035.
- . (). Structure and lithium ion conductivity of bismuth containing lithium garnets Li(5)La(3)Bi(2)O(12)and Li6SrLa2Bi2O12. Médecine et Maladies Infectieuses, 37(10), 14–20.
- . (). Structure and lithium ion conductivity of bismuth containing lithium garnets Li5La3Bi2O12 and Li6SrLa2Bi2O12. Materials Science and Engineering: B, 143(1-3), 14–20.
- . (). Structure and Li-Ion Conductivity of bismuth containing lithium garnets Li5La3Bi2O12 and Li6SrLa2Bi2O12. . Material Science and Engeneering B, 143(1), 14–20. doi: 10.1016/j.mseb.2007.07.009.
- . (). Polymorphism and thermochemistry of MgAlPO4O, a product of lazulite breakdown at high temperature. European Journal of Mineralogy, 19(2), 159–172. doi: 10.1127/0935-1221/2007/0019-1709.
- . (). An experimental study of the replacement of leucite by analcime. American Mineralogist, 92(1), 19–26. doi: 10.2138/am.2007.2249.
- . (). On the volume of solid solutions: an anisotropic approach. Physics and Chemistry of Minerals, 33(1), 10–16. doi: 10.1007/s00269-005-0057-7.
- . (). Superlattice ordering in SrFeO3-delta Electron microscopy and diffraction study. Physica Status Solidi a Applied Research, 202(12), 2330–2335.
Research Articles (Journals)
- . (). Heat capacity of lazulite, MgAl2(PO4 2(OH)2, from 35 to 298 K and a (S-V) value for P2O5 to estimate phosphate entropy. Mineralogical Magazine, 68(1), 123–134. doi: 10.1180/0026461046810175.
- . (). Heat capacity of lazulite, MgAl2(PO4)(2)(OH)(2), from 35 to 298 K and a (S-V) value for P2O5 to estimate phosphate entropy. Mineralogical Magazine, 68(1), 123–134. doi: 10.1180/0026461046810175.
- . (). Electrical conductivity and thermopower of Fe-phosphate compounds with the lazulite-type structure. Journal of Solid State Chemistry, 177(1), 207–215. doi: 10.1016/j.jssc.2003.07.006.
Other Scientific Publications
- . (). Phase transformation of MgAlPO4O, a product of lazulite decomposition.
- . (). Electronic structure of Fe-bearing lazulites. American Mineralogist, 88(4), 481–488.
- . (). Cation and valence distribution in Fe-phosphates of the lazulite type. European Journal of Mineralogy, 15(1), 127–136. doi: 10.1127/0935-1221/2003/0015-0127.
- . (). SrSn1-xFexO3-delta (0 <= x <= 1) perovskites: a novel mixed oxide ion and electronic conductor. Materials Research Bulletin, 37(3), 599–604. doi: 10.1016/S0025-5408(02)00679-7.
- . (). Synthesis, structure, and electrical conductivity of A '[A(2)B(3)O(10)] (A ' = Rb, Cs; A = Sr, Ba; B = Nb, Ta): New members of Dion-Jacobson-type layered perovskites. Journal of Solid State Chemistry, 158(2), 279–289. doi: 10.1006/jssc.2001.9108.
- . (). P-T stability of the lazulite-scorzalite solid-solution series. Mineralogy and Petrology, 70(1-2), 55–71. doi: 10.1007/s007100070013.
- . (). Evidence of two-phase formation upon lithium insertion into the Li1.33Ti1.67O4 spinel. Journal of The Electrochemical Society, 146(3), 857–861. doi: 10.1149/1.1391692.
- . (). Substitution of Mg2+and Fe2+in the Trigonal-Bipyramidal-Coordinated Site inβ″-(Mg, Fe)Al(PO4)O. Journal of Solid State Chemistry, 142(1), 51–56. doi: 10.1006/jssc.1998.7984.
- . (). Experimental determination of the upper stability of scorzalite, FeAl2[OH/PO4]2, and the occurrence of minerals with a composition intermediate between scorzalite and lazulite(ss) up to the conditions of the amphibolite facies. Mineralogy and Petrology, 61(1-4), 211–222.
- . (). Cation Distribution in Ordered Spinels of the Li2O-TiO2-Fe2O3System. Journal of Solid State Chemistry, 134(1), 170–181. doi: 10.1006/jssc.1997.7572.
- . (). Lazulite stability relations in the system Al2O3-AlPO4-Mg3 (PO4)2-H2O. European Journal of Mineralogy, 7(4), 921–929.
- . (). Stability properties of the CuS2-FeS2 solid solution series of pyrite type. Mineralogy and Petrology, 53(4), 333–341. doi: 10.1007/BF01160155.
- . (). 57Fe-Moessbauer spectra, electronic and crystal structure of members of the CuS2-FeS2 solid solution series. Physics and Chemistry of Minerals, 19(8), 571–577.
- . (). Crystal structure and valency properties of superconducting phases of Ba(Pb, Bi, Sb)O3 perovskites. Physica C: Superconductivity and its Applications, 202(3-4), 379–384. doi: 10.1016/0921-4534(92)90183-D.