GFZ Potsdam - Publications

Publications

Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences

(Co) Author: Langer, K

(since 1994) [ All ]

Paper (ISI journals)

2008

Taran, M. N.; Langer, K.; Koch-Müller, M. (2008): Pressure dependence of color of natural uvarovite: the barochromic effect. Physics and Chemistry of Minerals, 35, 3, 175-177.
| EDOC: 11132 | 10.1007/s00269-007-0209-z | PDF |

2005

Taran, M. N.; Koch-Müller, M.; Langer, K. (2005): Electronic absorption spectroscopy of natural (Fe2+, Fe3+)-bearing spinels of spinel s.s.-hercynite and gahnite-hercynite solid solutions at different temperatures and high-pressures. Physics and Chemistry of Minerals, 32, 3, 175-188.
| EDOC: 6992 | 10.1007/s00269-005-0461-z |

2003

Khomenko, V. M.; Langer, K.; Wirth, R. (2003): On the influence of wavelength-dependent light scattering on the UV-VIS absorption spectra of oxygen-based minerals: a study on silicate glass ceramics as model substances. Physics and Chemistry of Minerals, 30, 2, 98-107.
| EDOC: 3469 |

2002

Khomenko, V. M.; Langer, K.; Wirth, R.; Weyer, B. (2002): Mie scattering and charge transfer phenomena as causes of the UV edge in the absorption spectra of natural and synthetic almandine garnets. Physics and Chemistry of Minerals, 29, 3, 201-209.
| EDOC: 2945 |

2001

Wirth, R.; Langer, K.; Platonov, A. N. (2001): A TEM study of a chromium-bearing kyanite from a mantle xenolith: indications for an aluminium-rich exsolution precursor phase?. European Journal of Mineralogy, 13, 2, 311-318.
| EDOC: 2053 | Abstract | 10.1127/0935-1221/01/0013-0311 |

2000

Koch-Müller, M.; Abs-Wurmbach, I.; Langer, K.; Shaw, C.; Wirth, R.; Gottschalk, M. (2000): Synthetic and natural Fe-Mg chloritoid: structural, spectroscopic and thermodynamic studies. European Journal of Mineralogy, 12, 293-314.
| EDOC: 331 |

1998

Koch-Müller, M.; Langer, K. (1998): Quantitative IR-spectroscopic determination of the component H2O in staurolite. European Journal of Mineralogy, 10, 1267-1273.
| EDOC: 333 |

1997

Koch-Müller, M.; Langer, K.; Behrens, H.; Schuck, G. (1997): Crystal chemistry and infrared-spectroscopy in the OH-stretching region of synthetic staurolites. European Journal of Mineralogy, 9, 1, 67-82.
| EDOC: 12027 |

1995

Andrut, M.; Wildner, M.; Taran, M.; Langer, K.; Schulz, R. (1995): Temperature dependent polarized single crystal absorption spectra of kaemmererite. Physics and Chemistry of Minerals, 23, 242-243.
| EDOC: 362 |

Koch-Müller, M.; Langer, K.; Beran, A. (1995): Polarized single-crystal FTIR-spectra of natural staurolite. Physics and Chemistry of Minerals, 22, 2, 108-114.
| EDOC: 12033 | 10.1007/BF00202470 |

1994

Khomenko, V. M.; Langer, K.; Andrut, M.; Koch-Müller, M.; Vishnevsky, A. A. (1994): Single crystal absorption spectra of synthetic Ti, Fe-substituted pyropes. Physics and Chemistry of Minerals, 21, 7, 434-440.
| EDOC: 12036 | 10.1007/BF00202273 |

Khomenko, V. M.; Langer, K.; Beran, A.; Koch-Müller, M.; Fehr, T. (1994): Titanium substitutions and OH-bearing defects in hydrothermally grown Pyrope crystals. Physics and Chemistry of Minerals, 20, 7, 483-488.
| EDOC: 12037 | 10.1007/BF00203218 |

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Paper (further journals)

2001

Khisina, N. R.; Wirth, R.; Langer, K.; Andrut, M.; Ukhanov, A. V. (2001): Microstructure of experimentally oxidized olivine from a mantle nodule. I. A mode of Fe3+ and OH-occurence. Geochimija (in Russian), 4, 372-381.
| EDOC: 2677 |

2000

Khisina, N. R.; Wirth, R.; Langer, K.; Andrut, M. (2000): Phase composition of OH-, Fe3+ bearing microinclusions in experimentally oxidized olivine from a mantle nodule. Geochimija, 4, 372-381.
| EDOC: 335 |

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Conference Paper

2004

Taran, M.N.; Koch-Müller, M.; Langer, K. (2004): Electronic absorption spectroscopy of natural (Fe2+, Fe3+)-bearing spinels of magnesio-spinel-hercynite and gahnite-hercynite solid solutions at different temperatures and high-pressures. 5th European Conference on Mineralogy and Spectroscopy (ECMS) (Vienna, Austria 2004), 94.
| EDOC: 5745 |

2001

Khisina, N. R.; Wirth, R.; Andrut, M.; Langer, K. (2001): Extrinsic and intrinsic mode of hydrogen occurence in olivines: FTIR and TEM investigation. 4th European Conference on Mineralogy and Spectroscopy (Bulletin de liaison de la Societe Francaise de Mineralogie et de Cristallographie), 82.
| EDOC: 2918 |

1999

Khisina, N. R.; Langer, K.; Andrut, M.; Ukhanov, A. V.; Wirth, R. (1999): Nano-scale microstructure of Fe3+-, OH--bearing crystalline inclusions in experimentally oxidised olivine from a mantle nodule. 77. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Wien 1999), 122.
| EDOC: 2318 |

Khisina, N. R.; Wirth, R.; Langer, K.; Andrut, M.; Ukhanov, A. V. (1999): Microstructure of hydrous Mg-Fe silicate inclusions in experimentally oxidized olivine from a mantle xenolith in kimberlite. European Union of Geosciences (EUG 10) (Strasbourg 1999), 227.
| EDOC: 2262 |

1998

Koch-Müller, M.; Abs-Wurmbach, I.; Gottschalk, M.; Langer, K.; Wirth, R. (1998): Synthetic Fe-Mg chloritoid: a structural, spectroscopic and thermodynamic study. 7th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Orléans 1998), 31.
| EDOC: 2740 |

1996

Khomenko, V. M.; Andrut, M.; Langer, K. (1996): Optical absorbance caused by Fe2+, Fe3+ ionsin pyralspite-ugrandite garnets solid solutions. 6th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Bayreuth 1996).
| EDOC: 7430 |

1995

Andrut, M.; Wildner, M.; Taran, M.; Langer, K.; Schulz, R. (1995): Temperature dependent polarized single crystal absorption spectra of kaemmererite. 2nd European Meeting on Resonance Absorption Spectroscopy in Mineralogy (Berlin 1995).
| EDOC: 7396 |

Platonov, A. N.; Langer, K.; Calas, G.; Andrut, M. (1995): Cr3+ in phyllosilicates: Influence of the nature of coordinating ligands and their next cationic neighbors on the crystal field parameters. 2nd European Meeting on Resonance Absorption Spectroscopy in Mineralogy (Berlin 1995).
| EDOC: 7398 |

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