Publications of J. Leisen

Heuer, A.; Leisen, J.; Kuebler, S. C.; Spiess, H. W.: Geometry and time scale of the complex rotational dynamics of amorphous polymers at the glass transition by multidimensional nuclear magnetic resonance. The Journal of Chemical Physics 105 (16), pp. 7088 - 7096 (1996)

Leisen, J.; Boeffel, C.; Spiess, H. W.; Yoon, D. Y.; Sherwood, M. H.; Kawasumi, M.; Percec, V.: CONFORMATIONAL BEHAVIOR OF THE SPACER IN A LIQUID-CRYSTALLINE MAIN-CHAIN POLYMER IN ITS NEMATIC AND GLASSY STATES. Macromolecules 28 (20), pp. 6937 - 6941 (1995)

Schaefer, D.; Leisen, J.; Spiess, H. W.: EXPERIMENTAL ASPECTS OF MULTIDIMENSIONAL EXCHANGE SOLID-STATE NMR. Journal of Magnetic Resonance Series A 115 (1), pp. 60 - 79 (1995)

Leisen, J.; Schmidt-Rohr, K.; Spiess, H. W.: MULTIDIMENSIONAL H-2 NMR-STUDIES OF THE NONEXPONENTIAL CHAIN RELAXATION OF POLYSTYRENE ABOVE THE GLASS-TRANSITION. Journal of Non-Crystalline Solids 172, pp. 737 - 750 (1994)

Leisen, J.; Boeffel, C.; Dong, R. Y.; Spiess, H. W.: 2-DIMENSIONAL NMR-STUDY OF SLOW PHENYL-FLIPS IN LIQUID-CRYSTALLINE SIDE GROUP POLYMERS. Liquid Crystals 14 (1), pp. 215 - 226 (1993)

Leisen, J.; Ohlemacher, A.; Boeffel, C.; Spiess, H. W.: MOLECULAR-DYNAMICS IN SIDE-GROUP POLYMERS WITH AND WITHOUT LIQUID-CRYSTALLINE PHASES FROM H-2 NMR. Berichte der Bunsen-Gesellschaft 97 (10), pp. 1306 - 1311 (1993)

Leisen, J.; Schmidt-Rohr, K.; Spiess, H. W.: NONEXPONENTIAL RELAXATION FUNCTIONS ABOVE T(G) ANALYZED BY MULTIDIMENSIONAL NMR AND NOVEL SPIN-ECHO DECAY TECHNIQUES. Physica A: Statistical Mechanics and its Applications 201 (1-3), pp. 79 - 87 (1993)

Schwiegk, S.; Werth, M.; Leisen, J.; Wegner, G.; Spiess, H. W.: ROTATIONAL-DYNAMICS OF SUBSTITUTED PHTHALOCYANINATOPOLYSILOXANES AS MEASURED BY 2D SOLID-STATE NMR-SPECTROSCOPY. Acta Polymerica 44 (1), pp. 31 - 38 (1993)

Werth, M.; Leisen, J.; Boeffel, C.; Dong, R. Y.; Spiess, H. W.: MOBILITY CHANGES OF SIDE-CHAINS ASCRIBED TO DENSITY MODULATIONS ALONG COLUMNAR STRUCTURES DETECTED BY 2D NMR. Journal de Physique II 3 (1), pp. 53 - 67 (1993)