E. Keller, V. Krämer:
A Strong Deviation from Vegard's Rule: X-ray Powder Investigations of the three Quasi-Binary Phase Systems BiOX-BiOY (X, Y = Cl, Br, I);
Z. Naturforsch. 60b, 2005, 1255-1263.
H. Oppermann, U. Petasch, P. Schmidt, E. Keller, V. Krämer:
Zu den Zustandssystemen Bi2Ch3/BiX3 und
den ternären Phasen auf diesen Schnitten (Ch=S, Se, Te; X=Cl, Br, I). II:
Bismutselenidhalogenide Bi2Se3/BiX3 und
Bismuttelluridhalogenide Bi2Te3/BiX3;
Z. Naturforsch. 59b, 2004, 727-746.
S. Weise, V. Krämer:
Phase study of the system Li2Se-In2Se3;
J. Thermal Anal. Calorimetry 71, 2003, 1035-1038.
E. Keller, V. Krämer, M. Schmidt, H. Oppermann:
The crystal structure of Bi4O5I2 and its
relation to the structure of Bi4O5Br2;
Z. Kristallogr. 217, 2002, 256-264.
G. Krauß, V. Krämer:
Crystal structure of pentamercury dialuminum octaselenide, Hg5Al2Se8;
Z. Kristallogr. - NCS 216, 2001, 498.
E. Keller, J. Ketterer, V. Krämer:
Crystal structure and twinning of Bi4O5Br2;
Z. Kristallogr. 216, 2001, 595-599.
U. Eggenweiler, J. Ketterer, E. Keller, V. Krämer:
The Crystal Structure of a-Bi5O7I;
Z. Kristallogr. 216, 2001, 230-233.
A. Eifler, V. Riede, J. Brückner, S. Weise, V. Krämer, G. Lippold, W.
Schmitz, K. Bente, W. Grill:
Band Gap Energies and Lattice Vibrations of the Lithium Ternary Compounds
LiInSe2, LiInS2, LiGaSe2 and LiGaS2;
Jpn. J. Appl. Phys. 39, 2000, Suppl. 39-1, 279-281.
A. Eifler, V. Riede, J.-D. Hecht, G. Krauß, V. Krämer, W.
Grill:
On the Optical Properties of Defect-Chalcopyrite Single Crystals: The
Aluminium Compounds HgAl2Se4,
CdAl2Se4 and ZnAl2Se4;
Jpn. J. Appl. Phys. 39, 2000, Suppl. 39-1, 98-101.
U. Eggenweiler, E. Keller, V. Krämer:
Redetermination of the crystal structures of the 'Arppe compound' Bi24O31Cl10
and the isomorphous Bi24O31Br10;
Acta Cryst. B56, 2000, 431-437.
U. Petasch, T. Söhnel, H. Oppermann, U. Eggenweiler, E. Keller, V.
Krämer:
The Crystal Structure of Bi3Se4Br;
Z. Naturforsch. 55b, 2000, 273-276.
U. Eggenweiler, J. Ketterer, E. Keller, V. Krämer:
The Crystal Structure of a-Bi5O7I;
Z. Kristallogr., eingereicht 11/99.
U. Eggenweiler, E. Keller, V. Krämer:
Redermination of the Crystal Structures of the 'Arppe Compound' Bi24O31Cl10
and the Isomorphous Bi24O31Br10;
Acta Cryst. B56, 2000, 431-437.
U. Eggenweiler, E. Keller, V. Krämer, U. Petasch, H. Oppermann:
On the Crystal Structure of Bi11Se12Cl9;
Z. Kristallogr. 214, 1999, 264-270.
U. Eggenweiler, E. Keller, V. Krämer, C.A. Meyer, J. Ketterer:
Crystal structure of tribismuth tetraoxide chloride, Bi3O4Cl;
Z. Kristallogr. - NCS 213, 1998, 695.
U. Eggenweiler, E. Keller, V. Krämer, C.A. Meyer, J. Ketterer:
Synthesis and crystal structure of the new isotypic compounds KBi6O9X
(X: I, Br, Cl);
Z. Kristallogr. 213, 1998, 377-381.
A. Eifler, J. Brückner, V. Krämer, V. Riede, G. Lippold, W. Grill:
Optical characterization of LiIn5S8 single
crystals;
Inst. Phys. Conf. Ser. No 152: Sect. D, 1998, 583-587.
A. Eifler, V. Riede, W. Schmitz, G. Krauß, V. Krämer:
Infrared and Raman Study of ZnIn2Se4 Single
Crystals;
Inst. Phys. Conf. Ser. No 152: Sect. D, 1998, 589-592.
S. Weise, M. Salk, V. Krämer:
Growth of Twin Free AgGaS2 Single Crystals Using a Modified
Gradient Freezing Technique;
Inst. Phys. Conf. Ser. No 152: Sect. A, 1998, 111-114.
G. Krauß, V. Krämer, A. Eifler, S. Wenger, V. Riede:
The Influence of Cu Substitution by Zn on the Properties of CuInSe2
- the System ZnIn2Se4-CuInSe2;
Inst. Phys. Conf. Ser. No 152: Sect. A, 1998, 23-26.
S. Weise, M. Salk, V. Krämer:
The Influence of the Thermal Behaviour of AgGaS2 on the
Crystal Growth Process;
J. Thermal Anal. 52, 1998, 17-20.
J.-D. Hecht, A. Eifler, V. Riede, M. Schubert, G. Krauß, V. Krämer:
Birefringence and reflectivity of single crystal CdAl2Se4
by generalized ellipsometry;
Phys. Rev. B 57, 1998, 7037-7042.
U. Dück, E. Keller, V. Krämer:
SCHAKAL 97, a computer program for the graphical representation of
molecular and solid-state models; UNIX versions (IRIX, AIX, Solaris,
DEC-UNIX, HP-UNIX, Linux).
Univ. Freiburg, 1997.
----
E. Keller, V. Krämer:
SCHAKAL 97, a computer program for the graphical representation of
molecular and solid-state models; PC versions (DOS, Win 16, Win 32).
Univ. Freiburg, 1997.
U. Eggenweiler, E. Keller, V. Krämer:
Crystal structure of potassium hexabismuth enneaoxide iodide, KBi6O9I;
Z. Kristallogr.-NCS 212, 1997, 88.
G. Krauß, V. Krämer, A. Eifler, V. Riede, S. Wenger:
Growth and Characterization of CdAl2S4 and CdAl2Se4
Single Crystals;
Cryst. Res. Techn. 32, 1997, 223-227.
S. Weise, E. Nowak, A. Lenz, B. Schumann, V. Krämer:
Investigations of the System LiInSe2-CuInSe2;
J. Cryst. Growth 166, 1996, 718-721.
----
G. Krauß, E. Keller, V. Krämer:
Crystal structure of caesium tetramercury pentagallium dodecaselenide,
CsHg4Ga5Se12;
Z. Kristallogr., 211, 1996, 188.
S. Weise, E. Nowak, B. Schumann, V. Krämer:
LiInSe2 and phase relations in the ternary system Li-In-Se;
Cryst. Res. Techn., 31, 1996, 817-820.
S. Weise, E. Nowak, A. Eifler, B. Schumann, V. Krämer:
Structural and physical properties of the system LiInSe2-CuInSe2;
Cryst. Res. Techn., 31, 1996, 797-800.
A. Eifler, V. Riede, S. Wenger, S. Weise, E. Nowak, V. Krämer:
Optical band gap of LiInSe2 single crystals;
Cryst. Res. Techn., 31, 1996, 233-236.
A.K. Wehrstein, D.G. Ebling, M. Fiederle, V. Krämer:
Growth and Characterization of AgGaTe2 Single-Crystals;
Cryst. Res. Techn., 31, 1996, 45-48.
J. Brückner, V. Krämer, E. Nowak, V. Riede, B. Schumann:
Crystal Growth and Characterization of LiInS2;
Cryst. Res. Techn., 31, 1996, 15-18.
U. Vogt, H. Hofmann, V. Krämer:
Synthesis of Si3N4 Fibres by Gas-Phase Process;
Key Eng. Mater. 89-91, 1994, 29-34.
___
R. Tellgmann, E. Keller, V. Krämer:
SCHAKAL 92, a computer program for the graphic representation of
molecular and
crystallographic models, Version for PC/extended VGA (VESA);
Universität Freiburg, 1993
___
E. Keller, V. Krämer:
SCHAKAL 92, a computer program for the graphic representation of
molecular and
crystallographic models, Versionen für PC/VGA, PC/XXHR, PC/Spea- FGA4;
Universität Freiburg, 1993
___
V. Riede, H. Neumann, H. Schwer, V. Krämer, I. Gregora, V. Vorlicek:
Infrared and Raman Spectra of ZnIn2Se4;
Cryst. Res. Techn. 28, 1993, 641-645.
H. Neumann, E. Moise, H. Schwer, V. Krämer:
Infrared Lattice Vibrations of CdGa2Te4;
Cryst. Res. Techn. 28, 1993, 635-639.
H. Neumann, H. Sobotta, E. Moise, E. Treser, V. Krämer:
Two-Phonon Combination Mode Spectra of AgGaS2;
Cryst. Res. Techn. 28, 1993, 551-559.
E. Post, V. Krämer:
Crystal Growth of AgGaS2 by the Travelling Heater and
Bridgman-Stockbarger
Methods;
J. Cryst. Growth 129, 1993, 485-490.
E. Treser, V. Krämer:
Crystal growth of AgGaS2 by the Bridgman-Stockbarger
technique using shaped crucibles;
J. Cryst. Growth 128, 1993, 664-667.
H. Schwer, E. Keller, V. Krämer:
Crystal structure and twinning of KCd4Ga5S12
and some isotypic AB4C5X12
compounds;
Z. Kristallogr. 204, 1993, 203-213.
J. Fischer, V. Krämer:
Crystal Structure of KNaSiF6;
Mat. Res. Bull. 26, 1991, 925-930.
V. Riede, H. Neumann, V. Krämer, M. Kittel, H. Sobotta:
Infrared Absorption Spectra of CdIn2Te4;
Cryst. Res. Technol. 26, 1991, 639-643.
V. Riede, H. Neumann, V. Krämer, M. Kittel:
Infrared and Raman Spectra of CdIn2Te4;
Solid State Commun. 78, 1991, 211-213.
H. Schwer, V. Krämer:
Structure refinement of HgAl2Se4;
Z. Kristallogr. 194, 1991, 121-124.
___
M. Salk, K. Wacker, J. Fischer, V. Krämer:
Thermal analyses and electric studies of the semiconductor TlSbSe2;
Thermochim. Acta 160, 1990, 87-92.
J. Fischer, V. Krämer, M. Salk, J. R. Strub:
Thermal analyses of the dental glass-ceramic Dicor in regard to the
development of a
two-layered texture;
Thermochim. Acta 160, 1990, 39-42.
H. Schwer, V. Krämer:
The Crystal Structures of CdAl2S4, HgAl2S4,
and HgGa2S4;
Z. Kristallogr. 132, 1990, 103-110.
J. Fischer, V. Krämer, H.-F. Kappert:
Qualitative Untersuchungen zur Oberflächen-Kristallisation dentaler
Glaskeramik (DICOR);
Dt. Zahnärztl. Z. 44, 1989, 891-893.
H. Schwer, V. Krämer:
Neue Überstrukturen von AB2X4-Defekt-Tetaeder-Verbindungen;
Z. Kristallogr. 182, 1988, 245-246.
I. R. Jahn, W. Altenburger, W. Prandl, V. Krämer:
The Identification of Sb5O7I Polytypes from
Optical Properties in the Ferroic Phase;
Acta Cryst. A44, 1988, 1028-1035.
V. Krämer, H. Hirth, W. Hofherr, H.-P. Trah:
Phase Studies in the Systems Ag2Te-Ga2Te3,
ZnSe-In2Se3, and ZnS-Ga2S3;
Thermochim. Acta 112, 1987, 89-94.
V. Krämer, J. Ketterer:
Crystal Chemistry of Bismuth Oxide Halides;
Proc. IIIrd Europ. Conf. Solid State Chem., Regensburg 1986, Vol. 3,
558-559.
J. Ketterer, V. Krämer:
Structure refinement of bismuth oxide bromide, BiOBr;
Acta Cryst. C42, 1986, 1098-1099.
V. Krämer:
Lead Indium Bismuth Chalcogenides. III. Structure of Pb4In2Bi4S13;
Acta Cryst. C42, 1986, 1089-1091.
V. Krämer, G. Brandt:
Structure of Mercury Tellurate(IV);
Acta Cryst. C42, 1986, 917-918.
V. Krämer, I. Reis:
Lead Indium Bismuth Chalcogenides. II. Structure of Pb4In3Bi7S18;
Acta Cryst. C42, 1986, 249-251.
J. Ketterer, V. Krämer:
Crystal Structure of the Bismuth Silicate Bi2SiO5;
N. Jb. Miner. Mh. 1986(1), 13-18.
H.-P. Trah, V. Krämer:
Crystal structure of zinc indium selenide, ZnIn2Se4;
Z. Kristallogr. 173, 1985, 199-203.
J. Ketterer, V. Krämer:
Structural Characterization of the Synthetic Perites PbBiO2X,
X = I, Br, Cl;
Mat. Res. Bull. 20, 1985, 1031-1036.
V. Krämer, E. Post:
Preparation and Structural Characterization of the Lead Oxide Iodide Pb3O2I2;
Mat. Res. Bull. 20, 1985, 407-412.
J. Ketterer, E. Keller, V. Krämer:
Crystal structure of bismuth oxide iodide, b-Bi5O7I;
Z. Kristallogr. 172, 1985, 63-70.
V. Krämer, G. Brandt:
Structure of Cadmium Tellurate(IV), CdTeO3;
Acta Cryst. C41, 1985, 1152-1154.
V. Krämer:
Reexamination of the System Bi2S3-In2S3
and Crystal Data of Indium Bismuth Sulphide InBiS3;
Thermochim. Acta 86, 1985, 291-294.
V. Krämer, D. Siebert, S. Febbraro:
Structure Refinement of Cadmium Gallium Selenide CdGa2Se4;
Z. Kristallogr. 169, 1984, 283-287.
E. Post, V. Krämer:
Preparation and Structural Characterization of Lead Thiophosphate Pb3(PS4)2;
Mat. Res. Bull. 19, 1984, 1607-1612.
J. Ketterer, V. Krämer:
Darstellung und Kristalldaten der isotypen Wismut-Oxid-Halogenide Bi5O7I
und Bi5O7Br;
Z. Naturforsch. 39b, 1984, 105-106.
V. Krämer, B. Frick, D. Siebert:
Structure Refinement of Cadmium Thiogallate CdGa2S4;
Z. Kristallogr. 165, 1983, 151-157.
V. Krämer:
Lead Indium Bismuth Chalcogenides. I. Structure of Pb1.6In8Bi4S19;
Acta Cryst. C39, 1983, 1328-1329.
W. Konz, V. Krämer:
A New Type of Temperature Sensor for DTA Apperatus;
Thermochim. Acta 65, 1983, 143-146.
M. Schulte-Kellinghaus, V. Krämer:
Darstellung und Kristalldaten der isotypen Aluminium(Gallium)-
Indium-Sulfide
Al2In4S9 und Ga2In4S9;
Z. Naturforsch. 37b, 1982, 390-391.
V. Krämer:
Structure of Bismuth Indium Sulphide Bi3In5S12;
Acta Cryst. B36, 1980, 1922-1923.
V. Krämer, K. Berroth:
Phase Investigations in the System PbS-In2S3 and
the Crystal Structures of PbIn2S4 and
Pb6In10S21;
Mat. Res. Bull. 15, 1980, 299-308.
M. Schulte-Kellinghaus, V. Krämer:
Die Kristallstruktur des Antimon-Sulfid-Chlorids Sb4S5Cl2;
Z. Kristallogr. 152, 1980, 47-56.
M. Schulte-Kellinghaus, V. Krämer:
Thermoanalytische Untersuchungen an Antimon- und Wismut- Chalkogenid-
Halogeniden. In: Angewandte chemische Thermodynamik und Thermoanalytik
(Hrsg. E. Marti, H. R. Oswald, H. G. Wiedemann).
Birkhäuser Verlag, Basel 1979.
M. Schulte-Kellinghaus, V. Krämer:
Structure of Aluminium Indium Trisulphide;
Acta Cryst. B35, 1979, 3016-3017.
V. Krämer:
Investigations of Sulphide Systems by Thermal Analysis and Chemical
Vapour Transport;
J. Thermal Anal. 16, 1979, 295-306.
V. Krämer:
Structure of the Bismuth Chloride Sulphide Bi4Cl2S5;
Acta Cryst. B35, 1979, 139-140.
M. Schulte-Kellinghaus, V. Krämer:
Thermogravimetric Investigations on the Decomposition of Some
Thioorthophosphates and Thiohypodiphosphates;
Thermochim. Acta 27, 1978, 141-149.
V. Krämer:
The Crystal Structure of the Ferroelastic/Ferroelectric 2MA-Polytype of
Sb5O7I;
Acta Cryst. B34, 1978, 2695-2698.
W. F. Kuhs, M. Schulte-Kellinghaus, V. Krämer, R. Nitsche:
Darstellung und Kristalldaten der isomorphen Kupferthio(seleno)-
phosphate Cu7PS6 und Cu7PSe6;
Z. Naturforsch. 32b, 1977, 1100-1101.
R. Nitsche, V. Krämer, M. Schuhmacher, A. Bumann:
Preparation and Properties of Ferroelastic/Ferroelectric Polytypes of
Antimony(III)
Oxide Iodide, Sb5O7I;
J. Cryst. Growth 42, 1977, 549-559.
V. Krämer:
Darstellung und Kristalldaten des Wismut-Sulfid-Chlorids Bi4S5Cl2;
Z. Naturforsch. 31b, 1976, 1542-1543.
G. Brandt, V. Krämer:
Phase investigations in the silver-gallium-sulphur system;
Mat. Res. Bull. 11, 1976, 1381-1388.
B. Gänswein, V. Krämer:
Phasenuntersuchungen zur Polymorphie des Ammoniumtrimethylsulfonats NH4CF3SO3;
Thermochim. Acta 16, 1976, 395-397.
V. Krämer:
Phasenuntersuchungen an Sulfiden und Chalkogenid-Halogeniden des
Indiums,
Antimons und Wismuts;
Habilitationsschrift, Universität Freiburg, 1976.
V. Krämer:
Differenzthermoanalyse und Kristallzüchtung im System In2S3-
Bi2S3;
Thermochim. Acta 15, 1976, 205-212.
V. Krämer:
Vapour growth and structural characterization of the new indium bismuth
sulphide
halides InBi2S4Cl and InBi2S4Br;
Mat. Res. Bull. 11, 1976, 183-187.
V. Krämer, H. Matthes, A. Marshall:
Phase studies of the system Li2O-BaO-Nb2O5
in relation with Czochralski growth
problems of Ba2LiNb5O15 single crystals;
J. Mater. Sci. 10, 1975, 547-550.
V. Krämer:
The Crystal Structure of Ferroelastic Antimony(III) Oxide Iodide a-Sb5O7I;
Acta Cryst. B31, 1975, 234-237.
V. Krämer:
Synthesis and Crystal Data of the Bismuth Sulphide Chloride Bi19S27Cl3;
Z. Naturforsch. 29b, 1974, 688-689.
V. Krämer, R. Nitsche, M. Schuhmacher:
Vapour Growth of Antimony-Oxide-Iodide Sb5O7I and
its Ferroelastic Properties;
J. Cryst. Growth 24/25, 1974, 179-182.
V. Krämer:
Crystal data on bismuth sulphide bromide, Bi19S27Br3;
J. Appl. Cryst. 6, 1973, 499.
V. Krämer, M. Schuhmacher, R. Nitsche:
Synthesis and Crystal Growth of New Antimony(III)-Oxide-Iodides;
Mat. Res. Bull. 8, 1973, 65-74.
G. Chapuis, Ch. Gnehm, V. Krämer:
Crystal Structure and Crystal Chemistry of Bismuth Indium Sulphide, Bi2In4S9;
Acta Cryst. B28, 1972, 3128-3130.
V. Krämer, R. Nitsche:
In4Bi2S9, eine neue Verbindung im
System In2S3-Bi2S3;
Z. Naturforsch. 26b, 1971, 1074.
V. Krämer, R. Nitsche, J. Ottemann:
New single-crystalline phases in the system Ga2S3-In2S3;
J. Cryst. Growth 7, 1970, 287-289.
W. Borchert, V. Krämer:
Ein synthetisches Magnesium-Kupfer-Silikat mit Klinopyroxenstruktur,
(Mg,Cu)2[Si2O6];
N. Jb. Miner. Mh. 1969(1), 6-14.
V. Krämer:
Untersuchungen über die Mischkristallbildung von
Magnesium-Kupfer-Silikaten mit Klinopyroxenstruktur;
Dissertation, Technische Hochschule München, 1968.
H. Lerz, V. Krämer:
Ein Verfahren zur Herstellung texturfreier Röntgen-Pulverpräparate von
Tonmineralen für
Zählrohrgoniometer mit senkrechter Drehachse;
N. Jb. Miner. Mh. 1968(2), 50-59.
V. Krämer:
Röntgenographische Untersuchungen über die Beziehungen zwischen
Morphologie und
Texturverhalten von Halloysit;
Diplomarbeit, Technische Hochschule München, 1966.
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