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Prof. Dr. Armin Kirfel

Armin Kirfel

 

 

 

 

 

Kontakt

Poppelsdorfer Schloß
Raum 1.121
Telefon: +49 228 73-2765
Telefax: +49 228 73-2770
E-Mail: kirfel [at] uni-bonn.de

 

Lebenslauf

 

Geboren am 2. Juni 1943 in Bonn/Beuel
 
1962−1968 Studium der Physik an der Rhein. Friedrich-Wilhelms-Universität Bonn
 
30.10.68 Diplom in Physik
 
22.11.71 Promotion
 
01/72−06/73 wissenschaftlicher Mitarbeiter im Mineralogisch-Petrologischen Institut der Universität Bonn
 
08/73−12/74 Research Fellow, Physics Department, University of York, England
 
02/75−03/84 wissenschaftlicher Assistent im Mineralogisch-Petrologischen Institut der Universität Bonn, Lehrstuhl für Mineralogie und Kristallographie
 
06/81−01/82 Reseach Fellow, Dept. of Chemistry, Carnegie Mellon University, Pittsburgh, PA, USA
 
19.1.83 Habilitation in Kristallographie
 
20.3.84 Ernennung zum Professor auf Zeit (C2) für das Fach Kristallographie
 
10/86−10/91 Wissenschaftlicher Angestellter der Universität des Saarlandes, Dienstort Hamburg Deutsches Elektron Synchrotron, HASYLAB. Privatdozent der Math.-Nat. Fakultät der Universität Bonn
 
10/91−09/96 C3-Professur für Kristallographie, Mineralogisches Institut der Julius-Maximilians Universität Würzburg
 
10/96 C4 Professur für Mineralogie und Kristallographie, Mineralogisch-Petrologisches Institut der Universität Bonn
 
03/04−05/04 Guest Scientist, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba, Japan
 
08/2008 Emeritierung
 
09.03.2009 Verleihung der Carl-Hermann-Medaille durch die Deutsche Gesellschaft für Kristallographie
In Anerkennung seines wissenschaftlichen Lebenswerkes auf dem Gebiet der Strukturforschung mit Beugungstechniken, für vielfältige methodische Entwicklungen und Anwendungen auf Probleme der Archäologie, Chemie, Mineralogie, Pharmazie und insbesondere hochgenauer Elektronendichteverteilungen und anisotroper resonanter Röntgen-Streuung

 

 

Publikationen

 

  • A. Kirfel & A. Neuhaus
    Messung hoher Widerstände in geschlossenen Druckapparaturen.
    High Temp.-High Pressures, (1971), 3, 81-87.
  • A. Kirfel & A. Neuhaus
    Hochdruck-Leitfähigkeitsverhalten von MgGeO3 als Modell für Metasilicate.
    Naturwissenschaften, (1971), 58,6, 322.
  • A. Kirfel
    Phase equilibrium and electrical conductivity studies on Ni2SiO4 at pressures up to 50 kb and temperatures of 600 to 1200 °C.
    High Temp.-High Pressures, (1972), 4, 113.
  • A. Kirfel & G. Will
    The magnetic structure of the high pressure phase of MnSeO4.
    Int. J. Magnetism, (1973), 5, 197-202.
  • A. Kirfel & G. Will
    Eine neue Hochtemperaturphase von MnSO4.
    High Temp.-High Pressures, (1974), 6, 525-527.
  • A. Kirfel & A. Neuhaus
    Zustandsverhalten und elektrische Leitfähigkeit von MgGeO3 bei Drucken bis 65 kb und Temperaturen bis 1300 °C.
    Zeitschr. Phys. Chem. Neue Folge, (1974), 91, 121-152.
  • A. Kirfel, G. Nover & G. Will
    Darstellung und Strukturuntersuchung von MnSeO4 · 2H2O.
    J. Appl. Cryst., (1974), 7, 311.
  • A. Kirfel, G. Will & K. Fickentscher
    3,6 Dithia-3,4,5,6-tetrahydrophthalimide.
    Acta Cryst., (1975), B31, 1973-1975.
  • A. Kirfel
    3,4,5,6-Tetrahydrophthalimide.
    Acta Cryst., (1975), B31, 2494-2495.
  • A. Kirfel & G. Will
    The structure of Mauritin-A, C32H41N5O5.
    Z. Krist., (1975), 142, 368-383.
  • A. Kirfel
    1,2,3,6-Tetrahydrophthalimide.
    Acta Cryst., (1976), B32, 1556-1557.
  • A. Kirfel
    3,5,6-Tributyl-1,2-dihydro-pyrazine-2-one, C16H28N2O.
    Cryst. Struct. Comm., (1975), 4, 425-430.
  • A. Kirfel, G. Will, R. Tschesche & H. Wilhelm
    Die Kristallstruktur des Mauritin-A, C32H41N5O5.
    Z. Naturforschg., (1976), 31b, 279-280.
  • A. Kirfel, H.P. Westfeld & P. Pachaly
    6-Acetamino-2-ethoxycarbonyl-1-phenyl-pyrrolizidine-3,5,7-tri.-one, C18H18N2O6.
    Cryst. Struct. Comm., (1976), 5, 865-871.
  • A. Kirfel, W. Schäfer, G. Will & K.H. Buschow
    The high pressure polymorph $-FeSO4.
    Phys. Stat. Sol. (a), (1977), 40, 447-453.
  • K. Fickentscher, A. Kirfel, G. Will & F. Köhler
    Stereochemical properties and teratogenic activity of some tetrahydrophthalimides.
    Mol. Pharmacol., (1977), 13, 133-141.
  • A. Kirfel, G. Will, R. Brennecke & R. Tschesche
    (25R)-Cholest-5-ene-3beta, 26-diol.
    Acta Cryst., (1977), B33, 895-897.
  • A. Gupta, A. Kirfel, G. Will & G. Wulff
    The crystal structure of D-Mannitol tris(benzeneboronic)ester, C24H23B3O5.
    Acta Cryst., (1977), B33, 637-641.
  • A. Kirfel
    N,N-dimethylthioformamidecopper (I) cyanide.
    Acta Cryst., (1977), B33, 2788-2790.
  • A. Kirfel, E. Hinze & G. Will
    The rhombohedral high pressure phase of MgGeO3 (Ilmenite):Synthesis and single crystal structure analysis.
    Z. Krist., (1978), 148, 305-317.
  • A. Kirfel
    16,18-Dihydroxy-8-oxo-8-demethyle-5-kolava-3,13-diene-15,17-dioic acid 15,16:17,18-dilactone (Desmethyl-Marrubiaketone).
    Acta Cryst., (1978), B34, 949-951.
  • A. Kirfel
    2-Hydroxy-3-phenyl-pyrrolidinylpropionamide.
    Acta Cryst., (1978), B34, 1744-1746.
  • A. Kirfel, G. Will & J. Arndt
    A new phase of coesite SiO2.
    Z. Krist., (1979), 149, 315-326.
  • A. Kirfel, A. Gupta & G. Will
    The nature of the chemical bonding in boron carbide, B13C2.
    I. Structure refinement.
    Acta Cryst., (1979), 35, 1052-1059.
  • A. Kirfel, A. Gupta & G. Will
    The nature of the chemical bonding in boron carbide, B13C2.
    II. Dynamic deformation densities and valence densities.
    Acta Cryst., (1979), B35, 2291-2300.
  • G. Will, A. Kirfel & A. Gupta
    Is the concept of boron icosahedra in boron carbide correct?
    J. Less Comm. Metals, (1979), 67, 13-18.
  • G. Will, A. Kirfel & A. Gupta
    Electron density and bonding in B13C2.
    J. Less Comm. Metals, (1979), 67, 19-27.
  • A. Kirfel, A. Gupta & G. Will
    The nature of the chemical bonding in boron carbide, B13C2.
    III. Static deformation densities and pictorial representation.
    Acta Cryst., (1980), B36, 1311-1319.
  • A. Kirfel, G. Will, H. Wiedenfeld & E. Röder
    (1aR,6bR,10R,11R)-9,15-dioxo-10-hydroxy-10,11,13-trime-thyl- 1a,2,3,6b-tetrahydro-5H-pyrrolizino-1a,6b,6a-b,c-1,8-dioxa-15-cis- tridecene, C18H25NO5.
    Cryst. Struct. Comm., (1980), 9, 353-361.
  • A. Kirfel, G. Will & A. Weiss
    X-ray diffraction study of Na2S2O6 · 2H2O and Na2S2O6 · 2D2O.
    Acta Cryst., (1980), B36, 223-228.
  • A. Kirfel & G. Will
    Bonding in S2O6: refinement and pictorial representation from an X-ray diffraction study of Na2S2O6 · 2H2O and Na2S2O6 · 2D2O.
    Acta Cryst., (1980), B36, 512-523.
  • A. Kirfel & G. Will
    Charge density in anhydrite, Ca SO4, from X-ray and neutron diffraction measurements.
    Acta Cryst., (1980), B36, 2881-2890.
  • A. Kirfel, G. Will, H. Wiedenfeld & E. Röder
    (2S,4R,5R)-2-carboxymethyl-5-carboxy-2,4,5-trimethyl-2,3,4,5- tetrahydrofurane, C10H16O5.
    Cryst. Struct. Commm., (1980), 9, 363-369.
  • A. Kirfel & G. Will
    Charge density in anhydrite, CaSO4. II. Static deformation density distributions from a multipole refinement.
    Acta Cryst., (1981), B37, 325-333.
  • K. Petrov, A. Kirfel, G. Will, R. Troschütz & H.J. Roth
    7-(4-Chlorophenyl)-1,3-dimethyl-1,2,3,4,5,6-hexahydro-5-phenyl-6-1- phenyl-3-(4-chlorophenyl)-3-oxo-1-propyl-pyri-de-2,3-d-pyrimidine-2,4- dione, C36H29N3O3Cl2.
    Cryst. Struct. Comm., (1981), 10, 73-82.
  • Chen Wei-Shin, Li Sao-Han, A. Kirfel, G. Will & E. Breitmaier
    Drei Indolin Alkaloide aus Kopsia, officinalis, Tsiang.
    Liebigs Ann. Chem., (1981), 1886-1892.
  • H. Wiedenfeld, E. Röder, A. Kirfel & G. Will
    Die absolute Konfiguration des PyrrolizidinalkaloidsO-7-Angelylheliotridin.
    Arch. Pharm. (Weinheim), (1981), 314, 9, 737-740.
  • J. Friedmann, G. Rücker, T. Fröhlich, A. Kirfel & G. Will
    Zur Konfiguration des Nardosinons.
    Liebigs Ann. Chem., (1981), 2057-2060.
  • G. Will, A. Kirfel & B. Josten
    Charge density distribution in LiBO2.
    J. Less Comm. Metals, (1981), 82, 255-267.
  • A.M. Abdeen, G. Will, W. Schäfer, A. Kirfel, M.O. Bargouth, K. Recker & A. Weiss
    X-ray and neutron diffraction studies of alums.
    II. the crystal structure of methylammonium aluminium alum.
    III. The crystal structure of ammonium aluminium alum. Z. Krist., (1981), 157, 147-166.
  • H. Wiedenfeld, E. Röder, A. Kirfel & G. Will
    Die absolute Konfiguration des Pyrrolizidinalkaloids Platyphyllin.
    Arch. Pharm. (Weinheim), (1982), 315, 165-169.
  • H. Wiedenfeld, A. Kirfel & G. Koop
    Zur Frage der Lösungsvermittlung von Aminophenazon durch Thioharnstoff.
    Arch. Pharm. (Weinheim), (1982), 315, 633-641.
  • E. Graf, A. Kirfel, G. Wolff & E. Breitmaier
    Die Aufklärung von Taxin-A aus Taxus, baccata, L.
    Liebigs Ann. Chem., (1982), 376-381.
  • K. Petrov, A. Kirfel & St. Karagoziova
    Crystal data for K3FeMo4O15.
    Z. Krist., (1982), 160, 153-154.
  • G. Will, E. Hinze, K.F. Seifert, L. Cemic, L. Jansen & A. Kirfel
    A device for electrical conductivity measurements on mantle relevant minerals at high pressures and temperatures under defined thermodynamic conditions.
    High Pressure Research in Geoscience (1983), 383-392, Schweizerbartsche Verlagsbuchhandlung.
  • H. Effenberger, A. Kirfel, G. Will & E. Zobetz
    A further refinement of the crystal structure of thaumasite, Ca3Si(OH)6·Co3SO4·H2O.
    N. Jahrb. Mineral. Mh., (1983), Vol 2, 60-68.
  • A. Kirfel, G. Will & R. F. Stewart
    The chemical bonding in Lithium-metaborate, LiBO2.
    Charge densities and electronic properties.
    Acta Cryst., (1983), B39, 175-185.
  • H. Effenberger, A. Kirfel & G. Will
    Untersuchungen zu Elektronendichteverteilung im Dolomit, CaMg(CO3)2.
    TMPM Tschermaks Min. Petr. Mitt., (1983), 31, 151-164.
  • A. Kirfel, H. M. Hamm & G. Will
    The structure of ReinhardBraunsite, Ca5(SiO4)2 · (OH,F)2, a new mineral of the calcio-chondrotite type.
    TMPM Tschermaks Min. Petr. Mitt., (1983), 31, 137-150.
  • D. R. Armstrong, J. Bolland, P. G. Perkins, G. Will & A. Kirfel
    The nature of the chemical bonding in boron carbide, B13C2.
    IV. Electronic band structure of boron carbide, B13C2, and three models of the structure of B12C3.
    Acta Cryst. , (1983), B39, 324-329.
  • H. Wiedenfeld, E. Röder, A. Kirfel & G. Will
    Die absolute Konfiguration des Pyrrolizidinalkaloids Tussilagen.
    Arch. Pharm. (Weinheim), (1983), 316, 367-371.
  • V. Gruhnert, A. Kirfel, G. Will, F. Wallrafen & K. Recker
    The crystal structure and electron density of tetraphenylsilicon, (C6H4)4Si.
    Z. Krist., (1983), 163, 53-60.
  • H. Wiedenfeld, A. Kirfel, E. Röder & G. Will
    Absolute configuration of the pyrrolizidine alkaloide Acetylgynuramine.
    Phytochemistry, (1983), 22,9, 2065-2067.
  • A. Kirfel, M. El Kordy & R. Troschütz
    Methyl-3-(4-chlorobenzol)-4-(4-chlorophenyl)-1-cyano-4-hydrxy-2,6- diphenylcyclohexanecarboxylate, C34H27Cl2NO4.
    Acta Cryst., (1983), C39, 1563-1565.
  • A. Kirfel, K. Recker, F. Wallrafen & G. Zangshou
    The crystal structure of lithium-l-malate. LiC4H5O5 · C4H6O5.
    Z. Krist., (1983), 165,117-125.
  • P.C. Christidis, R. J. Rentzeperis, A. Kirfel & G. Will
    X-ray determination of the electron density distribution of monoclinic Fe2(SO4)3.
    Z. Krist., (1984), 165, 219-236.
  • A. Kirfel, M. Orthen & G. Will
    Natrolite: a detailed refinement of the crystal structure of two natural samples from Marienberg (Usti nad Labem, CSSR).
    Zeolithes, (1984), 4, 140-146.
  • G. Rücker, R. Mayer, E. Breitmaier, G. Will & A. Kirfel
    Oxidized Aristolane sesquiterpenes from Aristolochia,Debilis.
    Phytochemistry, (1984), 23,8, 1647-1649.
  • D. Worsch, F. Vögtle, A. Kirfel & G. Will
    Salze optisch aktiver Alkaloide als enantiodifferenzierende Einschlußbildner.
    Naturwissenschaften, (1984), 71, 423-424.
  • A. Kirfel & G. Will
    Ending the 'P21/a, „coesite“ discussion.
    Z. Krist., (1984), 167, 287-291.
  • H. Wamhoff, K. Wald, A. Kirfel, L. Farkas, N. Samini & G. Will
    Verbrückte 1,2,5,6-Tetrazocane mit Uracil- und Urazolbrücken durch Dimerisierung von 5-(1,2,4-Triazolidin-1-yl) uracilen.
    Chem. Ber., (1985), 118, 436-443.
  • G. Knupp, A. W. Frahm, A. Kirfel, T. Fröhlich & G. Will
    Absolute configuration of (-)cis-2-ethylcyclohexanamine-hydrochloride.0.39-ethanol solvate, C8H18N+Cl-.0.39C2H6O.
    Acta Cryst., (1985), C41, 468-470.
  • H. Wiedenfeld, A. Kirfel, E. Röder & G. Will
    Die absolute Konfiguration des Pyrrolizidinalkaloids O-7-Angelyretronecin
    Arch. Pharm. (Weinheim), (1985), 318, 294-299.
  • A. Kirfel & F. Wallrafen
    The crystal structure of L(+)-glutamic acid hydroiodide, L-C5H9NO4 · HI.
    Z. Krist., (1985), 171, 121-128.
  • J. Troschütz, A. Kirfel & G. Will
    Röntgenstrukturanalyse von 3-Chlor-5-phenyl-5-phenyl-5,11-dihydroisoindolo-2,1-a chinazolin.
    Arch. Pharm. (Weinheim), (1985), 318, 690-694.
  • E. Weber, U. Müller, D. Worsch, F. Vögtle, G. Will & A. Kirfel
    Quaternary Tröger bases as new inclusion hosts: the first X-ray structures of a Tröger base and of a dioxane clathrate.
    J. Chem. Soc., Chem. Commun., (1985), 1578-1580.
  • H. Wamhoff, W. Schupp, A. Kirfel & G. Will
    Reactions of uracils. New transformations of 6-aminouracils with acetylendicarboxylates to pyridinedionates and pyrrolo 3,4-c pyridines. Some revised constitutions.
    J. Org. Chem., (1986), 51, 149-154.
  • P. C. Christidis, P.J. Rentzeperis, A. Kirfel & G. Will
    Experimental charge density in polythionate anions. I. X-ray study of electron distribution in potassium trithionate, K2S3O6.
    Z. Krist., (1985), 173, 59-74.
  • G. Will, A. Kirfel & B. Josten
    Charge density and chemical bonding in cubic boron nitride.
    J. Less Comm. Metals, (1986), 117, 61-71.
  • R. J. van der Wal, A. Vos & A. Kirfel
    Forsterite: Conflicting results of deformation properties in Mg2SiO4.
    Acta Cryst., (1987), B43, 132-143.
  • W. Wiehl, A. W. Frahm & A. Kirfel
    Absolute Configuration of (-)-4-Bromo-N-cis-2'-phenyl-cyclopentaybanzamide.
    Acta Cryst., (1987), C43, 83-85.
  • A. Kirfel
    The Electron Density Distribution in Calcium-Metaborate, Ca(BO2)2.
    Acta Cryst., (1987), B43, 333-343.
  • K. Eichhorn, A. Kirfel & K. Fischer
    Anisotropic Anomalous Dispersion in Cuprite, Cu2O.
    Z. Naturforsch., (1988), 43a, 391-392.
  • A. Petcov, A. Kirfel & K. Fischer
    Tensorial Representation of f'' for Nb in Lithium-Niobate, LiNbO3.
    Z. Naturforsch., (1988), 43a, 388-390.
  • Luo Shide, Din Zhikuei, R. Mayer, G. Rücker, G. Will, A. Kirfel & R. Langen
    Interiorin, ein Neolignan mit einem neuen Grundgerüst aus Kadsura interior.
    Planta Medica, (1988), 5, 440-443.
  • Lie Kuo Liem, A.W. Frahm, A. Kirfel & G. Adiwidijaja
    Absolute Configration of (-)-4-Bromo-N-cis-2-phenyl-cycloheptylbenzamide.
    Acta Cryst., (1990), C46, 1268-1271.
  • P. C. Christidis, P.J. Rentzeperis, A. Kirfel & G. Will
    Experimental charge density in polythionate anions: II. X-ray study of the electron density distribution in potassium tetrathionate, K2S4O6.
    Z. Kristallogr. (1989), 188, 31-42.
  • A. Kirfel & K. Eichhorn
    Accurate Structure Analysis with Synchrotron Radiation.
    The Electron Density in Al2O3 and Cu2O.
    Acta Cryst., (1990), A46, 271-284.
  • A. Marx, J.K. Krüger, A. Kirfel & H.G. Unruh
    Unconventional structure and related physical properties of the semifluorinated triblock alkane C6F13-C4H6-C5F13.
    Phys. Rev. B, (1990), Vol 42, 10, 6642-6650.
  • A. Kirfel & K. Eichhorn
    Accurate Structure Analysis with Synchrotron Radiation.
    The Electron Density in Al2O3 and Cu2O.
    DESY Internal Report SR 90-01, (1990).
  • A. Petcov, A. Kirfel & K. Fischer
    X-ray Birefringence and Dichroism in Lithium Niobate, LiNbO3.
    Acta Cryst., (1991), A46, 754-763.
  • A. Kirfel, A. Petcov & K. Eichhorn
    Ansiotropy of Anomalous Dispersion in X-ray Diffraction.
    Acta Cryst., (1991), A47, 180-195.
  • A. Kirfel & A. Petcov
    Anisotropy of Anomalous Dispersion. An Application to Partial Structure Determination.
    Z. Kristallogr., (1991), 195, 1-15.
  • K. Eichhorn, A. Kirfel, J. Grochowski & P. Serda
    Accurate Structure Analysis with Synchrotron Radiation.
    An Application to Borazone, Cubic BN.
    Acta Cryst., (1991), B47, 843-848.
  • A. Kirfel & A. Petcov
    Anisotropy of Anomalous Dispersion. II. Combining Polarization Dependent Transmission and Diffraction. An Application to Partial Structure Analysis in Lithium Hydrogen Selenite, LiHSeO3.
    Acta Cryst., (1992), A48, 247-259.
  • A. Kirfel & W. Morgenroth
    Anisotropy of Anomalous Scattering in X-ray Diffraction III.
    'Forbidden' Axial Reflections in Space Groups up to Orthorhombic Symmetry.
    Acta Cryst., (1993), A49, 35-45.
  • A. Kirfel, F. Schwabenländer, U. Posset & W. Kiefer
    Crystal structure of bis-1,2-dimethylphosphino-ethane-tetracarbonylchromium(0), (C6H16P2Cr(CO)4)
    Z. Kristallogr., (1994), 209, 77-78.
  • W. Morgenroth, A. Kirfel & K. Fischer
    Anisotropy of Anomalous Scattering in X-ray Diffraction.
    'Forbidden' Axial Reflections in Tetragonal Space Groups.
    Z. Kristallogr., (1994), 209, 124-131.
  • A. Kirfel, F. Schwabenländer, W.A. Held & C. Herdeis
    Crystal structure of (5R,2R)-5-chloro-1-methoxycarbonyl-piperidine-2-carboxylic acid amide, C8H13ClN2O3.
    Z. Kristallogr., (1994), 209, 850-851.
  • A. Kirfel Anisotropy of Anomalous Scattering in Single Crystals.
    Resonant Anomalous X-Ray Scattering. Theory and Applications.
    Edited by G. Materlik, C.J. Sparks & K. Fischer, North-Holland, Amsterdam, (1994), 231 - 256.
  • W. Morgenroth, A. Kirfel & K. Fischer
    Computing Kinematic Diffraction Intensities with Anisotropic Anomalous Scatterers - 'Forbidden' Axial Reflections in Space Groups up to Orthorhombic Symmetry.
    Resonant Anomalous X-Ray Scattering. Theory and Applications.
    Edited by G. Materlik, C.J. Sparks & K. Fischer, North-Holland, Amsterdam, (1994), 257 - 264.
  • C. Herdeis, W.A. Held, & A. Kirfel
    Synthesis of (2R,5R)-5-Chloropipecolic Acid via a Homochiral Acyliminium Ion Intermediate1a
    Liebigs Ann. Chem. (1994), 1117-1120.
  • A. Kirfel Borchardt-Ott, Walter: Kristallographie: eine Einführung für
    Naturwissenschaftler. Berlin/Heidelberg 4)1993.
    Rezension in: Petermanns Geographische Mitteilungen,138, 1994/5.
  • A. Kirfel, F. Schwabenländer, W.A.Held & C. Herdeis
    Crystal structure of (5S, 2S)-5-hydroxy-1-methyl-2-propylpiperidine hydrochloride, C9H20NOCl.
    Z. Kristallogr., (1995), 210, 79.
  • D. Waasmaier & A. Kirfel
    New Analytical Scattering-Functions for Free Atoms and Ions.
    Acta Cryst., (1995), A51, 416-431.
  • A. Kirfel, F. Schwabenländer, C. Herdeis & W.A.Held
    Crystal structure of ,5R,2'R)-5-acetyloxy-2-(2'-acetyloxy-2'phenyl-ethyl)-1-methyl- piperidine hydrochloride, C18H26CINO4.
    Z. Kristallogr., (1995), 210, 553-554.
  • C. Herdeis, W.A. Held, A. Kirfel & F. Schwabenländer
    Synthesis of (+)- and (-)-Hydroxysedamine and (+)-N-Methylpseudoconhydrine from (S)-Glutamic Acid via Homochiral Acyliminium Ion.
    Liebigs Ann. Chem. (1995), 1295-1301.
  • A. Kirfel, F. Schwabenländer, C. Herdeis, & A. Troll
    Crystal structure of trimethyl-dibenzob,e2-azabicyclo2.2.2octane-2,3,3-carboxylate, C21H19NO6.
    Z. Kristallogr., (1995), 210, 719-720.
  • C. Herdeis, W.A. Held, A. Kirfel & F. Schwabenländer
    Diastereoselective Synthesis of (2S,5S)-and (2R,5S)-5-Hydroxyhomopipecolic Acid from S-Glutamic Acid. An Entry to Streptolutine Stereoisomers.
    Tetrahedron, (1996), 52, 18, 6409-6420.
  • T. Lippmann, A. Kirfel & K. Fischer
    Polarized X-ray Absorption. Quantitative Determination by Fluorescence Measurements.
    J. Appl. Cryst., (1996), 29, 3186-197.
  • A. Kirfel, F. Schwabenländer, C. Herdeis & W.A. Held
    Crystal structure of (2R,5S)-5'-hydroxy-1'-methoxycarbonyl-2piperidinyl-R-amoni acetic acidmethyl ester hydrochloride, C10H19CIN2O5.
    Z. Kristallogr., (1996), 211, 511-512.
  • H. Schlenz, H. Kroll, A. Fischer, A. Kirfel & T. Vad
    Low Order Truncation (LOT) Analyse in der Röntgenstrukturverfeinerung: ein neues Werkzeug zur genauen Bestimmung von Besetzungszahlen - Orthopyroxene als Beispiel.
    Beih. Eur. J. Mineral., (1996), 8, 239.
  • A. Kirfel & K. Fischer
    X-ray determination of 'isoelectronic' element distribution: A discussion on two-lambda versus single wavelength measurements.
    Z. Kristallogr., (1996), 211, 766-769.
  • A. Kirfel
    Cation Distributions in Olivines and Orthopyroxenes. An Interlaboratory Study.
    Phys. Chem. Minerals, (1996), 23, 503-519.
  • M. Müller-Sommer, R. Hock & A. Kirfel
    Rietveld Refinement Study of the Cation Distribution in (Co,Mg)-Olivine Solid Solution.
    Phys. Chem. Minerals, (1997), 24, 17-23.
  • C. Scheufler, V. Engel & A. Kirfel
    An improved gas-stream heating device for a single-crystal diffractometer.
    J. Appl. Cryst., (1997), 30, 411-412.
  • H. Kroll, T. Lueder, H. Schlenz, A. Kirfel & T. Vad
    The Fe2+,Mg distribution in orthopyroxene: a critical assessment of ist potential as a geospeedometer.
    Eur. J. Mineral., (1997), 9, 705-733.
  • W. Schäfer, E. Jansen, R. Skowronek & A. Kirfel
    The twin-diffractometer SV7 at the FRJ-2 as a workhorse for structure and texture research.
    Physica B, (1997), 234-236, 1146-1148.
  • A. Kirfel, F. Schwabenländer, C. Herdeis & J. Telser
    Crystal structure of 2-benzyl-7-(anti)-hydroxy-7-(syn)-methyl-2-aza-bicyclo2.2.2oct- 5-ene-3-one, C15H17NO2.
    Z. Kristallogr., (1997), 212, 445-446.
  • A. Kirfel, F. Schwabenländer & C.E. Müller
    Crystal structure of 1-propyl-8-(4-sulfophenyl)-7H-imidazol4,5-dpyrimidin-2,6(1H,3H)- dione dihydrate, C14H14N4O5S · 2H2O.
    Z. Kristallogr., (1997), 212, 447-448.
  • A. Kirfel, F. Schwabenländer, C. Herdeis & J. Troll
    Crystal structure of trans-6-(2-phenylethyl)-pipecolic acid hydrochloride, C14H20NO2Cl.
    Z. Kristallogr., (1997), 212, 449-450.
  • A. Kirfel, F. Schwabenländer, C. Herdeis & W.A. Held
    Crystal structure of (3S,6R,7R)-7-hydroxy-3-tert-butyldimethylsilyloxy-1-azabi- cyclo4.3.0nonan-9-one, C14H27NO3Si.
    Z. Kristallogr., (1997), 212, 451-452.
  • M. Ivanda, D. Waasmaier, A. Endriss, J. Ihringer, A. Kirfel & W. Kiefer
    Low Temperature Anomalies of Cuprite Observed by Raman Spectroscopy and X-Ray Powder Diffraction.
    Journal of Raman Spectroscopy, (1997), 28, 487-493.
  • F. Schwabenländer, A. Kirfel & C.E. Müller
    Crystal structure of 6-amino-3-methyl-5-nitrosopyrimidine-2,4(1H,3H)-dione monosodium dihydrate, C5H5N4O3Na · 2H2O.
    Z. Kristallogr., (1998), 213, 141-142.
  • T. Lippmann, K. Fischer & A. Kirfel Polarized X-ray absorption. Evidence of orientational dispersion in hornblende minerals. J. Appl. Cryst., (1998), 31, 94-97.
  • A. Kirfel & R. Fischer
    Anisotropy of Anomalous Scattering: a tool for phase information.
    Z. Kristallogr., (1998), 213, 337-342.
  • E. Jansen, W. Schäfer, A. Kirfel & J. Palacios
    On the longtime stability of a copper rolling texture analysed by neutron diffraction plole figures.
    Material Science Forum, (1998), 278-281, 502-507.
  • A. Alker, E. Jansen, W. Schäfer, A. Kirfel, D. Seitz & M. Grönefeld
    Neutron diffraction applied to the study of microstructure and texture of industrial magnetic Alnico material.
    Material Science Forum, (1998), 278-281, 514-519.
  • A. Kirfel, H. Klapper, W. Schäfer & F. Schwabenländer
    The crystal structure of Tutton's salt type K2Co(H2O)6(SO4)2. A combined X-ray and neutron study.
    Z. Kristallogr., (1998), 213, 456-460.
  • B. Barbier, H. Euler, A. Kirfel, S. Schüren & H. Wamhoff
    Crystal structure of 2-benzyl-3-phenyl-5-phenylimino-Delta3-1,2,4-thia-diazoline, C21H17N3S.
    Z. Kristallogr., (1998), NCS 213, 741-742.
  • R. Heinemann, V. Staack, A. Fischer, H. Kroll, T. Vad & A. Kirfel
    Temperature dependence of Mg,Fe partitioning in Acapulco olivine.
    Am. Mineralogist, (1999), 84, 1400-1405.
  • U. Kuhl, A. Cambareri, C. Sauber, F. Sörgel, R. Hartmann, H. Euler, A. Kirfel & U. Holzgrabe
    Synthesis, X-ray analysis and spectroscopic characterization of the hemiaminal cyclization product from 2,4-dipyridine substituted 3,7-diazabicyclo[3.3.1]nonanone 1,5-diesters.
    J. Chem. Soc., Perkins Trans. 2, (1999), 2083-2088.
  • H. Ghildiyal, E. Jansen & A. Kirfel
    Volume texture of a deformed quartzite observed with U-stage microscopy and neutron diffractometry.
    Textures and Microstructures (1999), 31, 239-248.
  • A. Meents, B. Barbier, H. Euler, A. Kirfel, H. Schwierz & F. Vögtle
    Crystal structure of toluene-4-sulfonic acid 4-(4'-cyano-phenylazo)-phenyl ester, C20H15N3O3S.
    Z. Kristallogr, (2000), NCS 215, 115-116.
  • W. Kockelmann, M. Weisser, H. Heinen, A. Kirfel & W. Schäfer
    Application spectrum and data quality of the time-of-flight neutron diffractometer ROTAX at ISIS.
    Material Science Forum, (2000), 321-324, 332-337.
  • W. Schäfer, W. Kockelmann, A. Kirfel, W. Potzel, F.J. Burghart, G.M. Kalvius, A. Martin, W.A. Kacmarek & S.J. Campbell
    Structural and magnetic variations of ZnFe2O4 spinels - neutron powder diffraction studies.
    Material Science Forum, (2000), 321-324, 802-807.
  • A. Kirfel & G.V. Gibbs
    Electron density distributions and bonded interactions for the fibrous zeolites natrolite, mesolite and scolecite and related materials.
    Phys. Chem. Minerals (2000), 27, 270-284.
  • W. Schäfer, E. Jansen, W. Kockelmann, A. Alker, A. Kirfel, D. Seitz, M. Grönefeld
    Variations of microstructure and texture of permanent magnetic Alnico alloys.
    Physica B, (2000), 276, 866-867.
  • E. Stuckenschmidt & A. Kirfel
    Zeolites of NAT topology: Structure refinement of mesolite from single crystal X-ray data and comparison with the structures of natrolite and scolecite.
    Eur. J. Mineral., (2000), 12, 571-579.
  • W. Kockelmann, E. Pantos & A. Kirfel
    Neutron and synchrotron radiation studies of archaeological objects.
    in Radiation in Art and Archaeometry, Eds. D.C. Creagh, D.A. Bradley, Elsevier, Amsterdam (2000), 347-377.
  • H. Euler, B. Barbier, S. Klumpp & A. Kirfel
    Crystal structure of Tutton‘s salts, Rb2[MII (H2O)6](SO4)2, MII = Mg, Mn, Fe, Co, NI, Zn.
    Z. Kristallogr., (2000), NCS 215, 473-476.
  • E. Jansen, W. Schäfer & A. Kirfel
    The Jülich neutron diffractometer and data processing in rock texture investigations.
    J. Struct. Geology, (2000), 22, 1559-1564.
  • A. Kirfel, H. Euler, B. Barbier, E. Hägele & H. Klapper
    Potassium lithium carbonate, KLiCO3: single-crystal X-ray structure analysis and thermal expansion.
    Z. Kristallogr., (2000), 215, 744-751..
  • W. Kockelmann, W. Schäfer, A. Kirfel, H. Klapper & H. Euler
    Hydrogen positions in KCo-, CsCo-, CsNi- and CsCu-Tutton salt compounds determined by Neutron powder diffraction.
    Material Science Forum, (2001), 378-381, 274-279.
  • E. Jansen, W. Schäfer, A. Kirfel & M. Neuroth
    Neutron texture investigation of electrolytic Li2CO3/KLiCO3 from a molten carbonate fuel cell.
    Material Science Forum, (2001), 378-381, 718-722.
  • W. Kockelmann , A. Kirfel & E. Hähnel
    Non-destructive Phase Analysis of Archaeological Ceramics using TOF Neutron Diffraction.
    Journal of Archaeological Science, (2001), 28, 213-222.
  • A. Kirfel, H.-G. Krane, P. Blaha, K. Schwarz & T. Lippmann
    Electron density distribution in stishovite, SiO2 : a new high-energy synchrotron radiation study.
    Acta Cryst., (2001), A57, 663-677.
  • H. Schlenz, A. Kirfel, K. Schulmeister, N. Wartner, W. Mader, W. Raberg, K. Wandelt, C. Oligschleger, S. Bender, R. Franke, J. Hormes, W. Hoffbauer, V. Lansmann, M. Jansen, N. Zotov, C. Marian, H. Putz & J. Neuefeind
    Structure analyses of Ba-silicate glasses.
    J. Non-Cryst. Sol., (2002), 297, 37-54..
  • W. Schäfer & A. Kirfel
    Neutron powder diffraction study on the thermal expansion of cuprite.
    Appl. Phys. A, 74 [Suppl.] (2002), Material Science and Processing, 1010-1012.
  • W. Kockelmann, A. Meents & A. Kirfel
    Temperature evolution of the thermal expansion tensors of ammonium Tutton salts.
    Appl. Phys. A, 74 [Suppl.] (2002), Material Science and Processing, 1329-1332.
  • R. Rinaldi, G. Artioli, W. Kockelmann, A. Kirfel & S. Siano
    The Contribution of Neutron Scattering to Cultural Heritage Research.
    Notiziario Neutroni E Luce Di Synchrotrone, (2002), 7, 30-37.
  • A. Kirfel, J. Grybos & V.E. Dmitrienko
    Phonon-electron interaction and vibration correlations in germanium within a broad temperature interval.
    Phys. Rev. B, (2002), 66, 165202.
  • V.E. Dmitrienko, K. Ishida, A. Kirfel, J. Kokubun & E.N. Ovchinnikova
    A novel method to study thermal motion and point defects in crystals by X-ray resonant diffraction.
    Am. Inst. of Physics, Conference Proceedings (2002), 652,1, 317-322.
  • A. Kirfel, H. Euler, C. Valder, M. Neugebauer, M. Meier & N.A. Braun
    Crystal structure of (1R,2S,5S,6R,7R)-6-(4-bromobenzenesulfonyloxy)-methyl- 2,7-dimethyl-tricyclol[5.2.2.01.5]undec-8-ene, C20H25BrO3S.
    Z. Kristallogr. NCS (2002), 217, 539-540.
  • H. Euler, A. Kirfel, S.J. Freudenthal & C.E. Müller
    Crystal structure of 4-bromo-butyric acid 3-((4,4-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacen)-8 -yl)propyle ester, C20H26BBrF2N2O2.
    Z. Kristallogr. NCS (2002), 217, 541-542.
  • H. Euler, A. Kirfel, S.J. Freudenthal & C.E. Müller
    Crystal structure of 8-(5-bromo-pentyl)- 4,4-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacene, C20H26BBrF2N2O2.
    Z. Kristallogr. NCS (2002), 217, 543-545.
  • H. Euler, A. Meents, B. Barbier & A. Kirfel
    Crystal structure of tetraaquamanganese(II) selenate monohydrate, Mn(H2O)4SeO4* H2O.
    Z. Kristallogr. NCS (2002), 217, 9-10.
  • H. Schlenz, S. Rings, M. Schmücker, K. Schulmeister, W. Mader, A. Kirfel & J. Neuefeind
    Short-range and medium-range order in amorphous barium germanate.
    J. Non-Cryst. Solids (2003), 320, 133-142.
  • H. Euler, A. Kirfel, A. Bauer & C.E. Müller
    Crystal structure of 9-benzyl-6-ethoxy-7-ethyl-2-phenyl-7,9-dihydropyrin-8-one, C22H22N4O2.
    Z. Kristallogr. NCS (2003), 218,
  • H. Euler, A. Kirfel, C. Valder, M. Neugebauer, M. Meier & N.A. Braun
    Crystal structure of (1R*,2S*,5S*,6S*,7R*)-6-(3,5-dinitrobenzoyloxy)methyl-2,7-dimethyl- tricyclo [5.2.2.0 1,5]undec-8-ene, C21H24N2O6.
    Z. Kristallogr. NCS (2003), 218,
  • N. Zotov, H. Schlenz, B. Bredenbach, H. Modrow, J. Hormes, F. Reinauer, R. GLAUM, A. Kirfel & C. Paulmann
    Effects of MnO-Doping on the Structure of Sodium Metaphosphate Glasses.
    Z. Naturforschung (2003), 58a, 419-428.
  • H. Euler, A. Kirfel, A. Bauer & C.E. Müller
    Crystal structure of 9-benzyl-6-ethoxy-7-ethyl-2-phenyl-7,9-dihydropyrin-8-one, C22H22N4O2.
    Z. Kristallogr. NCS (2003), 218, 473-474.
  • H. Euler, A. Kirfel, C. Valder, M. Neugebauer, M. Meier & N.A. Braun
    Crystal structure of (1R*,2S*,5S*,6S*,7R*)-6-(3,5-dinitrobenzoyloxy)methyl-2,7-dimethyl- tricyclo [5.2.2.0 1,5]undec-8-ene, C21H24N2O6.
    Z. Kristallogr. NCS (2003), 218, 471-472.
  • H. Euler, B. Barbier, A. Meents & A. Kirfel
    Crystal structure of Tutton‘s salts, Rb2[MII (H2O)6](SeO4)2, MII = Mg, Co, Mn, Zn.
    Z. Kristallogr., (2003), NCS 218, 265-268.
  • H. Euler, B. Barbier, A. Meents & A. Kirfel
    Crystal structure of Tutton‘s salts, Cs2[MII (H2O)6](SeO4)2, MII = Mg, Mn, Co,Ni, Zn.
    Z. Kristallogr., (2003), NCS 218, 405-408.
  • H. Euler, B. Barbier, A. Meents & A. Kirfel
    Crystal structure of Tutton‘s salts, Cs2[MII (H2O)6](SO4)2, MII = Mg, Mn, Fe, Co, Ni, Zn.
    Z. Kristallogr., (2003), NCS 218, 409-413.
  • Heinemann, R.; Kroll, H.; Kirfel, A.; Barbier, B.
    Die kontroverse Diskussion des Ordnungverhaltens von Fe2+ und Mg in Olivinen.
    Mitt. Österr. Miner. Ges., (2003), 148: 159-160 (in German).
  • Heinemann, R.; Kroll, H.; Kirfel, A.; Barbier, B.
    Die Temperaturabhängigkeit der Fe2+,Mg-Verteilung in Olivinen.
    Berichte der Deutschen Mineralogischen Gesellschaft, Beih. z. European
    Journal of Mineralogy, (2003), 15, 78
  • V.E. Dmitrienko, K. Ishida, A. Kirfel, J. Kokubun, E. Ovchinnikova
    A Novel Method for Studying Thermal Motion and Point Defects in Crystals by X-Ray Resonant Scattering.
    X-Ray and Inner Shell Processes:19th International Conference on X-Ray and Inner Shell Processes. Edt. A. Bianconi, A. Marcelli, and N.L. Saini. 2003 American Institute
    of Physics, AIP Conference Proceedings, Vol 652, 317-322
  • W. Kockelmann, A. Kirfel, E. Jansen, R. TRAUM, R. LINKE, M. SCHREINER
    Zerstörungsfreie Charakterisierung von Münzen mittels Neutronenbeugung.
    in "Archäometrie und Denkmalspflege 2003 - Kurzberichte 2003" (edt. O. Hahn, Ch. Goedicke, R. Fuchs, I. Horn), p 82-84.
  • R. LINKE, W. Kockelmann, E. Jansen, A. Kirfel, M. SCHREINER,.R. TRAUM, R. DENK
    Neutron diffraction for non-destructive texture analysis of minted and cast "Taler" coins.
    Symposium Proceedings on "Numismatics & Technology: questions and answers." Wien, 25.-26.04.2003, 113 - 123.
  • W. Kockelmann, A. Kirfel, R. LINKE, M. SCHREINER, R. TRAUM, E. Pantos, R. GARNER, A.J.N.W. PRAG
    Genuine or fake? Neutron diffraction for non-destructive testing of museum objects
    ISIS 2003 Annual Report, RAL-TR-2003-050, Science Highlights
  • E. Jansen, W. Schäfer, A. Kirfel
    On the increasing Use of the JÜLICH texture-diffractometer for geological projects.
    Physica B 350 (2004), e569- e572.
  • W. Schäfer, A. Kirfel, H. Phiesel, R. Skowronek
    Construction and Tests of a Low-Cost Furnace for Neutron Powder Diffractometry.
    Physica B 350 (2004), e751- e754.
  • A. Kirfel, N. Zotov, W. Schäfer
    Neutron Diffraction Study of KNO3 at elevated temperatures.
    Physica B 350 (2004), e387- e389.
  • W. Kockelmann, A. Kirfel
    Neutron diffraction studies of archaeological objects on ROTAX
    Physica B 350 (2004), e581- e585 .
  • E. Jansen, W. Schäfer, A. Kirfel & J. Palacios
    On the development of copper textures - neutron diffraction control over aperiod of 12 Years
    Material Science Forum, (2004), 443-444, 239-242.
  • N. Zotov, A. Kirfel, B. Beuneu, R. Delplane, D. Hohlwein, F. Reinauer, R.
    GlaumEffects of transition metal oxide doping on the structure of sodium metaphosphate glasses.
    Physica B 350 (2004), e1071-e1073.
  • W. Kockelmann, S. Siano, A. Kirfel, C.D. Frost
    Illuminating the past: the neutron as a probe in archaeometry.
    Physics Education (2004), 39, 155-165.
  • V.E. Dmitrienko, E.N. Ovchinnikova, K. Ishida, J. Kokubun, A. Kirfel, S.P. Collins, D. Laundy, A.P. Oreshko, D. Cabaret
    Phonon effects in resonant "forbidden" reflections.
    Phys. stat. sol. (2004), (c) 1, 11, 3081-3084.
  • E.N. Ovchinnikova, V.E. Dmitrienko, K. Ishida, A. Kirfel, S.P. Collins, A.P. Oreshko, D. Cabaret, R.V. Vedrinskii, V.L. Kraizman, A.A. Novakovich, E.V. Krivitskii, B.P. Tolochko
    Atomic displacement effects in near-edge resonant "forbidden" reflections.
    Nuclear Instruments and Methods in Physics Research (2005), A 543, 122-126.
  • A. Shtukenberg, I. Rozhdestvenskaya, O. Frank-Kamenetskaya, J. Bronzova, H. Euler, A. Kirfel, I. Bannova, A. Zolotarev
    Symmetry and crystal structure of biaxial elbaite-liddicoatite tourmaline from the Transbaikalia region, Russia.
    American Mineralogist (2007), 92, 675-686.
  • G.V. Gibbs, R.T. Downs, D.F. Cox, N.L. Ross, R.T. Prewitt, K.M. Rosso, T. Lippmann, A. Kirfel
    Bondet interactions and the crystal chemistry of minerals: a review.
    Z. Kristallogr. (2008), 223, 1-40
  • K.F. Fischer, A. Kirfel, H. Zimmermann
    A Concept for Crystal Structure Determination without FOURIER Inversion: Some Steps Towards Application.
    Croatica Chemica Acta (2008), 81 (2), 381-389.
  • G.V. Gibbs, R.T. Downs, D.F. Cox, K.M. Rosso, N.L. Ross, A. Kirfel, T. Lippmann, W. Morgenroth, T.D. Crawford
    Experimental bond critical point and local energy density properties determined for Mn-O, Fe-O and Co-O bondet interactions for tephroite, Mn2SiO4, fayalite, Fe2SiO4 and Co2SiO4 olivine and organic metal complexes: comparison with properties calculated for non-transition and transition metal M-O bondet interactions for slilicates and oxides.
    J. Phys. Chem. A (2008), 112, 8811-8823.
  • A. Kirfel
    Construction and Description of UNIBONN Black Boxes.
    Archeometriai Mühely (2008), 1, 21-33. HU ISSN 1786-27!X
  • G. Festa, W. Kockelmann, A. Kirfel
    Neutron Diffraction Analysis of "Black Boxes".
    Archeometriai Mühely (2008), 1, 61-72. HU ISSN 1786-27!X
  • Zs. Kasztovszky, Z. Kis, T. Begya, W. Kockelmann, S. Imberti, G. Festa, A. Filabozzi, C. Adreani, A. Kirfel, K.T. Biró, K. Dúzs, Zs. Hajnal, P. Kudejova, M. Tardocchi
    Prompt Gamma Activation Analysis and Time of Flight Neutron Diffraction on 'Black Boxes' in the 'Ancient Charm' Project.
    Journal of Radioanalytical and Nuclear Chemistry (2008), 278, 661-664.
  • H. Euler, A. Kirfel, A. El-Tayeb, C.E. Müller
    Crystal structure of 1-((2R, 3R, 4S, 5R)-3,4-dihydroxy-5-hydroxymethyl-tetrahydrofuran-2yl)-2-propylsulfanyl-1H-pyrimidin-4-one, C12H18N2O5S.
    Z. Kristallogr. (2009), NCS 224, 107-108.
  • H. Euler, B. Barbier, A. Meents, A. Kirfel
    Refinement of the crystal structure of potassium hexaaquairon(II) sulfate, K2[Fe(H2O)6]2 and potassium hexaaquazinc(II) sulfate, K2[Zn(H2O)6](SO4)2.
    Z. Kristallogr. (2009), NCS 224, 171-173.
  • G. Beutier, E. Ochivinnikova, S.P., S.P. Collins, V.E. Dmitrienko, J.E. Lorenzo, J.L. Hodeau, A. Kirfel, Y. Joly, A.A. Antonenko, V.A. Sarkisyan, A. Bombardi
    Interplay of inequivalent atomic positions in resonant x-ray diffration of Fe3BO6.
    J. Phys.: Condens. Matter (2009), 21, 265-402.
  • H. Euler, B. Barbier, A. Meents, A. Kirfel
    Crystal structure of Tutton’s salts Tl2[MII(H2O)6](SO4)2 , MII = Mg, Mn, Fe, Co, Ni,  Zn.
    Z. Kristallogr. (2009), NCS 224, 355-359.
  • H. Euler, B. Barbier, A. Meents, A. Kirfel
    Crystal structure of Tutton’s salts Tl2[MII(H2O)6](SeO4)2 , MII = Mg, Mn, Fe, Co, Ni,  Zn.
    Z. Kristallogr. (2009), NCS 224, 360-364.
  • H. Euler, B. Barbier, A. Meents, A. Kirfel
    Crystal structure of Tutton’s salts K2[MII(H2O)6](SeO4)2 , MII =  Co, Ni, Zn and refinement of the crystal structure of  and potassium hexaaqua-magnesium(II) selenate, K2[Mg(H2O)6](SeO4)2.
    Z. Kristallogr. (2009), NCS 224, 351-354.
  • A. Kirfel, K.F. Fischer
    Structure determination without Fourier inversion. Part IV: Using quasi-normalized data
    Z. Kristallogr. (2009), 224, 325-339
  • H. Euler, B. Barbier, A. Kirfel, S. Haseloff, G. Eggert
    Crystal structure of trihydroxydicopper formate, Cu2(OH)3(HCOOH).
    Z. Kristallogr. (2009), NCS 224, 609-610.
  • H. Euler, H. Kutzkr, B. Barbier, A.Kirfel
    Refinement of crystal structure of copper acetate diammine, Cu(CH3COO)2·2NH3.
    Z. Kristallogr. (2009), NCS 224, 725-726.
  • J. Nuss, U. Wedig, A. Kirfel, M. Jansen
    The Structural Anomaly of Zinc: Evolution of Lattice Constants and Parameters of Thermal Motion in the Temperature Range of 40 to 500 K.
    Z. Anorg. Allg. Chem. (2010), 636, 309-313.
  • J. NUSS, U. WEDIG, A. KIRFEL, M. JANSEN
     The Structural Anomaly of Zinc: Evolution of Lattice Constants and Parameters of         Thermal Motion in the Temperature Range of 40 to 500 K. Z. Anorg. Allg. Chem. (2010), 636, 309-313.
  • A. KIRFEL, K.F. FISCHER
    Structure determination without Fourier inversion. Part VI: High resolution direct space structure information from one-dimensional data obtained with two wavelengths.
     Z. Kristallogr. (2010), 225, 261-273.
     
  • J. KOKUBUN, H. SAWAI, M. UEHARA, N. MOMOZAWA, K. ISHIDA, A. KIRFEL, R. VEDRINSKI, M.N. NOVIKOVSKII, A.A. NOVAKOVICH, V.E. DMITRIENKO
    Pure dipole-quadrupole resonant scattering induced by the p-d hybridization of atomic orbitals  in anatase, TiO2.
     Phys. Rev. (2010), B82, 205206 (10 pages).
  • A. KIRFEL, W. KOCKELMANN, P. YULE
     Non-destructive chemical analysis of Old South Arabian coins, fourth century BCE to third century CE.
    Archaeometry (2011), 53,5, 930 – 949.
  • H. KROLL, A. KIRFEL,  R. HEINEMANN, B. BARBIER
    Volume thermal expansion and related thermophysical parameters in the Mg,Fe olivine solid solution series. 
    Eur. J. Mineral. (2012), 24, 935-956.
  • W. LOTTERMOSER, S.-U. WEBER, M. GRODZICKI, A. KIRFEL, G. AMTHAUER 
    A semi-quantitative approach to derive the electric field gradient, applied to synthetic fayalite, α-Fe2SiO4: a reappraisal. 
    Eur. J. Mineral. (2012), 24, 791.
  • EMILE D. TSCHOUANKWE KAMGA, WENER MADER, C.M. KEDE,
    LUC MBAZE MEVA’A, ARMIN KIRFEL
    CBED Phase and Symmetry Determination of a New Member of Homologous
    Series Ga2O3(ZnO)10.
    International Journal of Engineering Research & Technology (IJERT), (2013),
    ISSN 2278-0181, Vol 2.
  •  W. LOTTERMOSER, K. STEINER, G. SCHARFETTER, S.-U. WEBER, M.
    GRODZICKI, A. KIRFEL, G. AMTHAUER
     Application of a Difference Electron Nanoscope (DEN) – a computer hard- and  software to display 3D electron densities and magnetical structures based on spectroscopic and diffractometric data.
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