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The mobility of charge carriers in all four phases of the columnar discotic material hexakis(hexylthio)triphenylene: Combined TOF and PR‐TRMC results

A.M. van de Craats、John M. Warman、Matthijs P. de Haas 等 7 位作者1996-10-01Advanced Materials

Peripherally alkyl‐substituted aromatic molecules are of interest because they are predicted to promote the rapid vectorial conduction of electronic charge. It is shown—using the example of HHTT, see Figure—that the results obtained by flash‐photolysis time‐of‐flight conductivity and pulse‐radiolysis time‐resolved mic…

Organic Electronics and PhotovoltaicsConducting polymers and applicationsLiquid Crystal Research Advancements

Ferroelastic Properties of Lead Zirconate Titanate Ceramics

Ansgar B. Schäufele、Karl Heinz Härdtl1996-10-01Journal of the American Ceramic Society

To increase the reliability of multilayer actuators, calculation of the mechanical stress inside the device during operation is important. This paper shows that the small‐signal value of the elastic constant s is not sufficient to describe the complicated behavior of lead zirconate titanate (PZT) ceramics. Therefore,…

Ultrasonics and Acoustic Wave PropagationMetal and Thin Film MechanicsFerroelectric and Piezoelectric Materials

The GTP binding motif: variations on a theme

Morten Kjeldgaard、Jens Nyborg、Brian F.C. Clark1996-10-01The FASEB Journal

GTP binding proteins (G-proteins) have wide-ranging functions in biology, being involved in cell proliferation, signal transduction, protein synthesis, and protein targeting. Common to their functioning is that they are active in the GTP-bound form and inactive in the GDP-bound form. The protein synthesis elongation f…

Protein Kinase Regulation and GTPase SignalingProtein Structure and DynamicsEnzyme Structure and Function

Merging of the α and β relaxations in polybutadiene: A neutron spin echo and dielectric study

Arantxa Arbe、Dieter Richter、Juan Colmenero 等 4 位作者1996-10-01Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

The local dynamics of 1,4 polybutadiene below and above the merging of the \ensuremath{\alpha} and \ensuremath{\beta} relaxations have been investigated by combining neutron spin echo (NSE) and dielectric spectroscopy. The study of the dynamic structure factor measured by NSE over a wide momentum transfer range allows…

NMR spectroscopy and applicationsPolymer Nanocomposites and PropertiesMaterial Dynamics and Properties

Titelei

作者信息未提供1996-10-01Applied Rheology