Search Results - "Medick, P"
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Type A versus Type B Glass Formers: NMR Relaxation in Bulk and Confining Geometry
Published in The journal of physical chemistry. B (28-10-2004)“…We report 2H NMR spin−lattice relaxation times T1 and spectra of two fragile molecular glass forming liquids, deuterated o-terphenyl-d 14 (OTP) and toluene-d…”
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Journal Article -
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Large angle jumps of small molecules in amorphous matrices analyzed by 2D exchange NMR
Published in Journal of magnetic resonance (1997) (01-12-2002)“…The reorientation dynamics of deuterated benzene and hexamethyl benzene as additives to the glass former oligostyrene is studied below the glass transition…”
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Journal Article -
3
Secondary Relaxation Processes in Molecular Glasses Studied by Nuclear Magnetic Resonance Spectroscopy
Published in Annual Reports on NMR Spectroscopy (2005)“…We review nuclear magnetic resonance (NMR) studies of secondary relaxation processes in glasses. The main focus is work on molecular glasses, where the…”
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Book Chapter -
4
Supercooled liquids and plastically crystalline phases: Indications for a similar manifestation of a crossover in the evolution of the dielectric spectra
Published in Journal of non-crystalline solids (15-11-2006)“…We compare the susceptibility spectra (10−6Hz–1012Hz) of glass forming liquids and plastically crystalline (PC) phases. In both the cases, a similar spectral…”
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Journal Article Conference Proceeding -
5
A Novel Method for the Alignment of Lyotropic Lα Phases in Magnetic Fields
Published in The journal of physical chemistry. B (04-07-2002)“…An ionically charged Lα phase can be prepared without shear by mixing a small amount of methylformiate to a L3 phase from alkyldimethylaminoxide, hexanol, and…”
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Journal Article -
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Molecular Dynamics in Binary Organic Glass Formers
Published in The journal of physical chemistry. B (20-05-1999)“…We investigated binary low-molecular-weight glass formers as model systems for mixtures of small and large molecules. Tricresyl phosphate (TCP) in oligomeric…”
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Journal Article -
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Slow molecular dynamics in binary organic glass formers
Published in Journal of molecular liquids (01-06-2000)“…We investigate systems benzene in polystyrene as model for binary glass formers by applying multidimensional 2H NMR experiments. It is demonstrated that the…”
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Journal Article -
8
Glassy Dynamics in Nanoconfinement as Revealed by 31 P NMR
Published in The journal of physical chemistry. B (25-06-2009)Get full text
Journal Article -
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Glassy Dynamics in Nanoconfinement as Revealed by 31P NMR
Published in The journal of physical chemistry. B (25-06-2009)“…We investigated the glass former m-tricresyl-phosphate confined in different nanoporous silica matrices with defined pore radii from 2−150 nm. While applying…”
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Journal Article -
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Secondary Relaxation Processes in Polybutadiene Studied by 2H Nuclear Magnetic Resonance and High-Precision Dielectric Spectroscopy
Published in Macromolecules (28-06-2005)“…Using 2H NMR and high-precision dielectric spectroscopy, we identified in polybutadiene (PB) at low temperatures (20−100 K) a third relaxation process…”
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Journal Article -
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Secondary Relaxation Processes in Polybutadiene Studied by 2 H Nuclear Magnetic Resonance and High-Precision Dielectric Spectroscopy
Published in Macromolecules (01-06-2005)Get full text
Journal Article -
12
Comparing the dynamical heterogeneities in binary glass formers and in a glass former embedded in a zeolite – a 2H NMR study
Published in Journal of non-crystalline solids (01-09-2002)“…We characterize the nature of the dynamical heterogeneities of the small component in a binary glass former and of a glass former confined in a zeolite matrix…”
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Journal Article -
13
A 2H NMR and dielelectric spectroscopy study of the slow β-process in organic glass formers
Published in Journal of non-crystalline solids (01-09-2002)“…We study the slow β-process of several organic compounds by recording dielectric and 2H NMR spectra below the glass transition temperature T g. For the neat…”
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Journal Article -
14
Comparing the dynamical heterogeneities in binary glass formers and in a glass former embedded in a zeolite: a 2H NMR study
Published in Journal of non-crystalline solids (2002)Get full text
Conference Proceeding -
15
A 2H NMR and dielelectric spectroscopy study of the slow β-process in organic glass formers
Published in Journal of non-crystalline solids (2002)Get full text
Conference Proceeding