Heppke G, Jérôme B, Kitzerow H-S, Pieranski P. Electrostriction of the cholesteric blue phases BPI and BPII in mixtures with positive dielectric anisotropy. Journal de Physique. 1989;50(19):2991-2998. doi:10.1051/jphys:0198900500190299100
LibreCat: /record/40341
DOI: 10.1051/jphys:0198900500190299100

Heppke G, Jérôme B, Kitzerow H-S, Pieranski P. Electrostriction of BPI and BPII for blue phase systems with negative dielectric anisotropy. Journal de Physique. 1989;50(5):549-562. doi:10.1051/jphys:01989005005054900
LibreCat: /record/40344
DOI: 10.1051/jphys:01989005005054900

Halstead TK, Schmidt C, Spiess HW, Schoellhorn R, Mueller-Warmuth W, Moeller H. Magnetic-field-induced orientation of crystallites in powders of layered intercalation compounds detected by NMR. The Journal of Physical Chemistry. 1988;92(26):7167-7168. doi:10.1021/j100337a003
LibreCat: /record/35393
DOI: 10.1021/j100337a003

Schmidt C, Blümich B, Spiess HW. Deuteron two-dimensional exchange NMR in solids. Journal of Magnetic Resonance (1969). 1988;79(2):269-290. doi:10.1016/0022-2364(88)90219-3
LibreCat: /record/35392
DOI: 10.1016/0022-2364(88)90219-3

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

Heppke G, Kitzerow H-S, Oestreicher F, Quentel S, Ranft A. Electrooptic Effect in a Non-Polar Nematic Discotic Liquid Crystal. Molecular Crystals and Liquid Crystals Letters. 1988;6(3):71-79. doi:10.1080/01406566.1988.10767023
LibreCat: /record/40406
DOI: 10.1080/01406566.1988.10767023

Schmidt C, Blümich B, Wefing S, Kaufmann S, Spiess HW. Molecular motions from two-dimensional NMR of powders: Comparison of rotational jumps and diffusive reorientations. Berichte der Bunsengesellschaft für physikalische Chemie. 1987;91(11):1141-1145. doi:10.1002/bbpc.19870911113
LibreCat: /record/35394
DOI: 10.1002/bbpc.19870911113

Heppke G, Kitzerow H-S, Krumrey M. Angular Dependence of Blue Phase Selective Reflection in the Electric Field. Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics. 1987;150(1):265-276. doi:10.1080/00268948708074802
LibreCat: /record/40338
DOI: 10.1080/00268948708074802

Schmidt C, Wefing S, Blümich B, Spiess HW. Dynamics of molecular reorientations: direct determination of rotational angles from two-dimensional NMR of powders. Chemical Physics Letters. 1986;130(1-2):84-90. doi:10.1016/0009-2614(86)80431-6
LibreCat: /record/35395
DOI: 10.1016/0009-2614(86)80431-6

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

Schmidt C, Kuhn KJ, Spiess HW. Distribution of Correlation Times in Glassy Polymers From Pulsed Deuteron NMR. Progress in Colloid and Polymer Science. 1985;71:71-76.
LibreCat: /record/35399
WoS: A1985AVT4500010

HEPPKE G, Kitzerow H-S, KRUMREY M. ELECTROOPTICAL BEHAVIOR OF CHOLESTERIC BLUE PHASES WITH NEGATIVE DIELECTRIC ANISOTROPY. MOLECULAR CRYSTALS AND LIQUID CRYSTALS. 1985;1(3-4):117-122.
LibreCat: /record/40399

HEPPKE G, Kitzerow H-S, KRUMREY M. ELECTRIC-FIELD INDUCED VARIATION OF THE REFRACTIVE-INDEX IN CHOLESTERIC BLUE PHASES. MOLECULAR CRYSTALS AND LIQUID CRYSTALS. 1985;2(1-2):59-65.
LibreCat: /record/40395