Dr. Heidrun Sowa

Veröffentlichungen / Publications

Veröffentlichungen zu experimentellen Untersuchungen
Sowa, H. (2007)
Orientation relations between four phases of AgI.
Z. Kristallogr. 222, 89-94
Boldyreva, E. V., Shakhtshneider, T. P., Sowa, H. & Ahsbahs, H. (2007)
Effect of hydrostatic pressure up to 6 GPa on the crystal structures of ammonium and sodium hexafluorosilicates, (NH4)2SiF6 and Na2SiF6; a phase transition in (NH4)2SiF6 at 0.2-0.3 GPa.
Z. Kristallogr. 222, 23-29
Boldyreva, E. V., Sowa, H., Seryotkin, Y. V., Drebushchak, T. N., Ahsbahs, H., Chernyshev, V. V. & Dmitriev, V. (2006)
Pressure-induced phase transitions in crystalline L-serine studied by single-crystal and high-resolution powder X-ray diffraction.
Chem. Phys. Lett. 429, 474-478
Drebushchak, T. N., Sowa, H., Seryotkin, Y. V., Boldyreva, E. V. & Ahsbahs, H. (2006)
L-serine III at 8.0 GPa.
Acta Cryst. E62, o4052-o4054
Sowa, H. & Ahsbahs, H. (2006)
High-pressure X-ray investigation of zincite ZnO single crystals using diamond anvils with an improved shape.
J. Appl. Cryst. 39, 169-175
Boldyreva, E. V., Kolesnik, E. N., Drebushchak, T. N., Sowa, H., Ahsbahs, H. & Seryotkin, Y. V. (2006)
A comparative study of the anisotropy of lattice strain induced in the crystals of DL-serine by cooling down to 100 K, or by increasing pressure up to 8.6 GPa. A comparison with L-serine.
Z. Kristallogr. 221, 150-161
Sowa, H. (2005)
The high-pressure behaviour of CdSe up to 3 GPa and the orientation relations between its wurtzite- and NaCl-type phases.
Solid State Sci. 7, 1384-1389
Sowa, H. (2005)
Orientation relations between zinc-blende-, cinnabar- and NaCl-type phases of CdTe under high pressure.
J. Appl. Cryst. 38, 537-543
Boldyreva, E. V, Drebushchak, T. N., Shakhtshneider, T. P., Sowa, H., Ahsbahs, H., Goryainov, S. V., Ivashevskaya, S. N., Kolesnik, E. N., Drebushchak, V. A., Burgina, E. B. (2005)
Variable-temperature and variable-pressure studies of small-molecule organic crystals.
Arkivoc 2004, 128-155
Boldyreva, E. V., Ivashevskaya, S. N., Sowa, H., Ahsbahs, H. & Weber, H. P. (2005)
Effect of hydrostatic pressure on the -polymorph of glycine. 1. A polymorphic transition into a new -form.
Z. Kristallogr. 220, 50-57
Sowa, H. (2005)
On the mechanism of the pressure-induced phase transition in CdS: an X-ray diffraction study.
Solid State Sci. 7, 73-78
Boldyreva, E. V., Ivashevskaya, S. N., Sowa, H., Ahsbahs, H. & Weber, H. P. (2004)
Effect of high pressure on crystalline glycine: A new high-pressure polymorph.
Dokl. Phys. Chem. 396, 111-114
Sowa, H., Ahsbahs, H., Schmitz, W. (2004)
X-ray diffraction studies of millerite NiS under non-ambient conditions.
Phys. Chem. Minerals 31, 321-327
Boldyreva, E. V., Shakhtshneider, T. P., Ahsbahs, H., Sowa, H. & Uchtmann, H. (2002)
Effect of high pressure on the polymorphs of paracetamol.
J. Therm. Analys. Calorim. 68, 437-452
Sowa, H. & Ahsbahs, H. (1999)
Single-crystal study of the pressure-induced NaCl to CsCl type phase transition in KPF6 and the crystal structure of the high-pressure phase.
Z. Kristallogr. 214, 751-757
Sowa, H., Knorr, K., Mädler, F., Ahsbahs, H. & Kutoglu, A. (1999)
The high-pressure behaviour of the cubic phase of KPF6 - An X-ray single crystal and entropy-maximization study.
Z. Kristallogr. 214, 542-546
Sowa, H. & Ahsbahs, H. (1998)
Pressure-induced octahedron strain in VF3-type compounds.
Acta Cryst. B54, 578-584
Sowa, H. (1997)
Pressure-induced Fm-3m -> R-3 phase transition in NaSbF6.
Acta Cryst. B53, 25-31
Sowa, H. & Ahsbahs, H. (1996)
Amorphization of quartz-type structures and a new high-pressure phase of AlAsO4.
Z. Kristallogr. 211, 96-100
Sowa, H. (1995)
The high-pressure behavior of NaClO3.
J. Solid State Chem. 118, 378-382
Kohlmann, M., Sowa, H., Reithmayer, K., Schulz, H., Krüger, R.-R. & Abriel, W. (1994)
Structure of a Y1-x(Gd,Dy,Er)xPO4•2H2O microcrystal using synchrotron radiation.
Acta Cryst. C50, 1651-1652
Sowa, H (1994)
The crystal structure of GaPO4 at high pressure.
Z. Kristallogr. 209, 954-960
Sowa, H., Steurer, W. & de Boer, J.L. (1994)
Pressure-induced phase transitions in Mo8O23.
Phase Transitions 47, 1-8
Schulz, H. & Sowa, H. (1992)
Single crystal diffraction under high pressure with synchrotron radiation and a diamond anvil cell.
High Pressure Research 8, 661-666
Sowa, H. (1991)
The crystal structure of AlAsO4 at high pressure.
Z. Kristallogr. 194, 291-304
Sowa, H., Reithmayer, K., Macavei, J., Rieck, W., Schulz, H. & Kupcik, V. (1990)
High-pressure single-crystal study on AlPO4 with synchrotron radiation.
J. Appl. Cryst. 23, 397-400
Sowa, H., Macavei, J. & Schulz, H. (1990)
The crystal structure of berlinite AlPO4 at high pressure.
Z. Kristallogr. 192, 119-136
Sowa, H., Drück, U. & Kutoglu, A. (1981)
Structure of tetraethylammonium hexachlorostannate [N(C2H5)4]2SnCl6.
Cryst. Struct. Comm. 10, 699-702
Lochner, K., Bässler, H., Sowa, H. & Ahsbahs, H. (1980)
Compressibility of a polydiacetylene crystal under hydrostatic pressure and a reinterpretation of the pressure effect on the 2eV transition.
Chem. Phys. 52, 179-182
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Veröffentlichungen zu theoretischen Untersuchungen
Fischer, W., Sowa, H. & Koch, E. (2006)
Orthorhombic sphere packings. I. Invariant and univariant lattice complexes.
Acta Cryst. A62, 413-418
Sowa, H. & Koch, E. (2006)
Hexagonal and trigonal sphere packings. IV. Trivariant lattice complexes of trigonal space groups.
Acta Cryst. A62, 379-399
Koch, E., Fischer, W. & Sowa, H. (2006)
Interpenetration of homogeneous sphere packings and of two-periodic layers of spheres.
Acta Cryst. A62, 152-167
Koch, E. & Sowa, H. (2005)
The cubic limiting complexes of the lattice complexes with trigonal characteristic symmetry.
Z. Kristallogr. 220, 983-986
Koch, E., Sowa, H. & Fischer, W. (2005)
On the density of homogeneous sphere packings.
Acta Cryst. A61, 426-434
Sowa, H. & Koch, E. (2005)
Hexagonal and trigonal sphere packings. III. Trivariant lattice complexes of hexagonal space groups.
Acta Cryst. A61, 331-342
Sowa, H. (2005)
A transition path for the pressure-induced wurtzite- to NaCl-type transformation described in Pna21.
Acta Cryst. A61, 325-330
Koch, E. & Sowa, H. (2004)
Exceptional properties of some sphere packings in the general position of P6222.
Acta Cryst. A60, 239-245
Sowa, H. & Koch, E. (2004)
Quantification of deviations from closest sphere packings.
Eur. J. Mineral. 16, 255-260
Sowa, H. & Koch, E. (2004)
Hexagonal and trigonal sphere packings. II. Bivariant lattice complexes.
Acta Cryst. A60, 158-166
Sowa, H., Koch, E. & Fischer, W. (2003)
Hexagonal and trigonal sphere packings. I. Invariant and univariant lattice complexes.
Acta Cryst. A59, 317-326
Sowa, H. (2003)
Relations between the zinc-blende and the NaCl structure type.
Acta Cryst. A59, 266-272
Sowa, H. & Koch, E. (2002)
Group theoretical and geometrical considerations of the phase transition between the high-temperature polymorphs of quartz and tridymite.
Acta Cryst. A58, 327-333
Sowa, H. & Koch, E. (2001)
A proposal for a transition mechanism from the diamond to the lonsdaleite type.
Acta Cryst. A57, 406-413
Sowa, H. (2001)
On the transition from the wurtzite to the NaCl type.
Acta Cryst. A57, 176-182
Sowa, H. (2000)
A transition path from the zinc-blende to the NaCl type.
Z. Kristallogr. 215, 335-342
Sowa, H. (2000)
The NaCl to CsCl type phase transition discussed on the basis of the cP to cI deformation with the symmetry Cmcm 4(c) m2m.
Acta Cryst. A56, 288-299
Sowa, H. & Koch, E. (1999)
Sphere configurations with the symmetry R-3m 18(h).m.
Z. Kristallogr. 214, 316-323
Sowa, H. (1988)
The oxygen packings of low-quartz and ReO3 under high pressure.
Z. Kristallogr. 184, 257-268
Hellner, E. & Sowa, H. (1985)
The cubic structure types described in their space groups with the aid of frameworks.
Physik Daten - Physics Data 16-3, 1-142
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