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378 Publications
1990 | Journal Article | LibreCat-ID: 40067
G. Heppke, H.-S. Kitzerow, D. Lötzsch, and Ch. Papenfuß, “Blue phase mixtures exhibiting low fractions of a chiral compound experimental observation of some unusual properties,” Liquid Crystals, vol. 8, no. 3, pp. 407–418, 1990, doi: 10.1080/02678299008047356.
LibreCat
| DOI
1990 | Journal Article | LibreCat-ID: 40335
H.-S. Kitzerow, P. P. Crooker, S. L. Kwok, J. Xu, and G. Heppke, “Dynamics of blue-phase selective reflections in an electric field,” Physical Review A, vol. 42, no. 6, pp. 3442–3448, 1990, doi: 10.1103/physreva.42.3442.
LibreCat
| DOI
1990 | Journal Article | LibreCat-ID: 40340
H.-S. Kitzerow, P. P. Crooker, S. L. Kwok, and G. Heppke, “A blue phase with negative dielectric anisotropy in an electric field. Statics and dynamics,” Journal de Physique, vol. 51, no. 12, pp. 1303–1312, 1990, doi: 10.1051/jphys:0199000510120130300.
LibreCat
| DOI
1990 | Journal Article | LibreCat-ID: 40336
H.-S. Kitzerow, G. Heppke, H. Schmid, B. Jérôme, and P. Pieranski, “First optical observation of Kossel diagrams in chiral smectic phases,” Journal de Physique, vol. 51, no. 18, pp. 2087–2099, 1990, doi: 10.1051/jphys:0199000510180208700.
LibreCat
| DOI
1989 | Journal Article | LibreCat-ID: 40069
G. Heppke, B. Jéròme, H.-S. Kitzerow, and P. Pieranski, “Observation of a hexagonal blue phase in systems with negative dielectric anisotropy,” Liquid Crystals, vol. 5, no. 3, pp. 813–828, 1989, doi: 10.1080/02678298908026387.
LibreCat
| DOI
1989 | Journal Article | LibreCat-ID: 40341
G. Heppke, B. Jérôme, H.-S. Kitzerow, and P. Pieranski, “Electrostriction of the cholesteric blue phases BPI and BPII in mixtures with positive dielectric anisotropy,” Journal de Physique, vol. 50, no. 19, pp. 2991–2998, 1989, doi: 10.1051/jphys:0198900500190299100.
LibreCat
| DOI
1989 | Journal Article | LibreCat-ID: 40344
G. Heppke, B. Jérôme, H.-S. Kitzerow, and P. Pieranski, “Electrostriction of BPI and BPII for blue phase systems with negative dielectric anisotropy,” Journal de Physique, vol. 50, no. 5, pp. 549–562, 1989, doi: 10.1051/jphys:01989005005054900.
LibreCat
| DOI
1988 | Journal Article | LibreCat-ID: 35393
T. K. Halstead, C. Schmidt, H. W. Spiess, R. Schoellhorn, W. Mueller-Warmuth, and H. Moeller, “Magnetic-field-induced orientation of crystallites in powders of layered intercalation compounds detected by NMR,” The Journal of Physical Chemistry, vol. 92, no. 26, pp. 7167–7168, 1988, doi: 10.1021/j100337a003.
LibreCat
| DOI
1988 | Journal Article | LibreCat-ID: 35392
C. Schmidt, B. Blümich, and H. W. Spiess, “Deuteron two-dimensional exchange NMR in solids,” Journal of Magnetic Resonance (1969), vol. 79, no. 2, pp. 269–290, 1988, doi: 10.1016/0022-2364(88)90219-3.
LibreCat
| DOI
1988 | Patent | LibreCat-ID: 40637
H.-S. Kitzerow, G. Heppke, F. Oestreicher, H.-S. Kitzerow, and M. Krumrey, “Blue phase liquid crystal system, method of operation and its use .” 1988.
LibreCat
1988 | Journal Article | LibreCat-ID: 40406
G. Heppke, H.-S. Kitzerow, F. Oestreicher, S. Quentel, and A. Ranft, “Electrooptic Effect in a Non-Polar Nematic Discotic Liquid Crystal,” Molecular Crystals and Liquid Crystals Letters, vol. 6, no. 3, pp. 71–79, 1988, doi: 10.1080/01406566.1988.10767023.
LibreCat
| DOI
1987 | Journal Article | LibreCat-ID: 35394
C. Schmidt, B. Blümich, S. Wefing, S. Kaufmann, and H. W. Spiess, “Molecular motions from two-dimensional NMR of powders: Comparison of rotational jumps and diffusive reorientations,” Berichte der Bunsengesellschaft für physikalische Chemie, vol. 91, no. 11, pp. 1141–1145, 1987, doi: 10.1002/bbpc.19870911113.
LibreCat
| DOI
1987 | Journal Article | LibreCat-ID: 40338
G. Heppke, H.-S. Kitzerow, and M. Krumrey, “Angular Dependence of Blue Phase Selective Reflection in the Electric Field,” Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics, vol. 150, no. 1, pp. 265–276, 1987, doi: 10.1080/00268948708074802.
LibreCat
| DOI
1986 | Journal Article | LibreCat-ID: 35395
C. Schmidt, S. Wefing, B. Blümich, and H. W. Spiess, “Dynamics of molecular reorientations: direct determination of rotational angles from two-dimensional NMR of powders,” Chemical Physics Letters, vol. 130, no. 1–2, pp. 84–90, 1986, doi: 10.1016/0009-2614(86)80431-6.
LibreCat
| DOI
1986 | Patent | LibreCat-ID: 40636
G. Heppke, F. Oestreicher, H.-S. Kitzerow, and M. Krumrey, “Optisches System mit einer Flüssigkristallzelle, Verfahren zu seinem Betrieb und seine Verwendung.” 1986.
LibreCat
1985 | Journal Article | LibreCat-ID: 40399
G. HEPPKE, H.-S. Kitzerow, and M. KRUMREY, “ELECTROOPTICAL BEHAVIOR OF CHOLESTERIC BLUE PHASES WITH NEGATIVE DIELECTRIC ANISOTROPY,” MOLECULAR CRYSTALS AND LIQUID CRYSTALS, vol. 1, no. 3–4, pp. 117–122, 1985.
LibreCat
1985 | Journal Article | LibreCat-ID: 40395
G. HEPPKE, H.-S. Kitzerow, and M. KRUMREY, “ELECTRIC-FIELD INDUCED VARIATION OF THE REFRACTIVE-INDEX IN CHOLESTERIC BLUE PHASES,” MOLECULAR CRYSTALS AND LIQUID CRYSTALS, vol. 2, no. 1–2, pp. 59–65, 1985.
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