Dynamics of blue-phase selective reflections in an electric field
H.-S. Kitzerow, P.P. Crooker, S.L. Kwok, J. Xu, G. Heppke, Physical Review A 42 (1990) 3442–3448.
LibreCat: /record/40335
DOI: 10.1103/physreva.42.3442

A blue phase with negative dielectric anisotropy in an electric field. Statics and dynamics
H.-S. Kitzerow, P.P. Crooker, S.L. Kwok, G. Heppke, Journal de Physique 51 (1990) 1303–1312.
LibreCat: /record/40340
DOI: 10.1051/jphys:0199000510120130300

First optical observation of Kossel diagrams in chiral smectic phases
H.-S. Kitzerow, G. Heppke, H. Schmid, B. Jérôme, P. Pieranski, Journal de Physique 51 (1990) 2087–2099.
LibreCat: /record/40336
DOI: 10.1051/jphys:0199000510180208700

Observation of a hexagonal blue phase in systems with negative dielectric anisotropy
G. Heppke, B. Jéròme, H.-S. Kitzerow, P. Pieranski, Liquid Crystals 5 (1989) 813–828.
LibreCat: /record/40069
DOI: 10.1080/02678298908026387

Electrostriction of the cholesteric blue phases BPI and BPII in mixtures with positive dielectric anisotropy
G. Heppke, B. Jérôme, H.-S. Kitzerow, P. Pieranski, Journal de Physique 50 (1989) 2991–2998.
LibreCat: /record/40341
DOI: 10.1051/jphys:0198900500190299100

Electrostriction of BPI and BPII for blue phase systems with negative dielectric anisotropy
G. Heppke, B. Jérôme, H.-S. Kitzerow, P. Pieranski, Journal de Physique 50 (1989) 549–562.
LibreCat: /record/40344
DOI: 10.1051/jphys:01989005005054900

Magnetic-field-induced orientation of crystallites in powders of layered intercalation compounds detected by NMR
T.K. Halstead, C. Schmidt, H.W. Spiess, R. Schoellhorn, W. Mueller-Warmuth, H. Moeller, The Journal of Physical Chemistry 92 (1988) 7167–7168.
LibreCat: /record/35393
DOI: 10.1021/j100337a003

Deuteron two-dimensional exchange NMR in solids
C. Schmidt, B. Blümich, H.W. Spiess, Journal of Magnetic Resonance (1969) 79 (1988) 269–290.
LibreCat: /record/35392
DOI: 10.1016/0022-2364(88)90219-3

Blue phase liquid crystal system, method of operation and its use 
H.-S. Kitzerow, G. Heppke, F. Oestreicher, H.-S. Kitzerow, M. Krumrey, (1988).
LibreCat: /record/40637

Electrooptic Effect in a Non-Polar Nematic Discotic Liquid Crystal
G. Heppke, H.-S. Kitzerow, F. Oestreicher, S. Quentel, A. Ranft, Molecular Crystals and Liquid Crystals Letters 6 (1988) 71–79.
LibreCat: /record/40406
DOI: 10.1080/01406566.1988.10767023

Molecular motions from two-dimensional NMR of powders: Comparison of rotational jumps and diffusive reorientations
C. Schmidt, B. Blümich, S. Wefing, S. Kaufmann, H.W. Spiess, Berichte Der Bunsengesellschaft Für Physikalische Chemie 91 (1987) 1141–1145.
LibreCat: /record/35394
DOI: 10.1002/bbpc.19870911113

Angular Dependence of Blue Phase Selective Reflection in the Electric Field
G. Heppke, H.-S. Kitzerow, M. Krumrey, Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics 150 (1987) 265–276.
LibreCat: /record/40338
DOI: 10.1080/00268948708074802

Dynamics of molecular reorientations: direct determination of rotational angles from two-dimensional NMR of powders
C. Schmidt, S. Wefing, B. Blümich, H.W. Spiess, Chemical Physics Letters 130 (1986) 84–90.
LibreCat: /record/35395
DOI: 10.1016/0009-2614(86)80431-6

Optisches System mit einer Flüssigkristallzelle, Verfahren zu seinem Betrieb und seine Verwendung
G. Heppke, F. Oestreicher, H.-S. Kitzerow, M. Krumrey, (1986).
LibreCat: /record/40636

Distribution of Correlation Times in Glassy Polymers From Pulsed Deuteron NMR
C. Schmidt, K.J. Kuhn, H.W. Spiess, Progress in Colloid and Polymer Science 71 (1985) 71–76.
LibreCat: /record/35399
WoS: A1985AVT4500010

ELECTROOPTICAL BEHAVIOR OF CHOLESTERIC BLUE PHASES WITH NEGATIVE DIELECTRIC ANISOTROPY
G. HEPPKE, H.-S. Kitzerow, M. KRUMREY, MOLECULAR CRYSTALS AND LIQUID CRYSTALS 1 (1985) 117–122.
LibreCat: /record/40399

ELECTRIC-FIELD INDUCED VARIATION OF THE REFRACTIVE-INDEX IN CHOLESTERIC BLUE PHASES
G. HEPPKE, H.-S. Kitzerow, M. KRUMREY, MOLECULAR CRYSTALS AND LIQUID CRYSTALS 2 (1985) 59–65.
LibreCat: /record/40395